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Chandra, Sunil ; Zhang, Haocheng ; Kushwaha, Pankaj ; Singh, K. P. ; Bottcher, M. ; Kaur, Navpreet ; Baliyan, K. S. (2015) Multi-wavelength study of flaring activity in BL lac object S5 0716+714 during the 2015 outburst The Astrophysical Journal, 809 (2). p. 130. ISSN 0004-637X

Mooley, K. P. ; Singh, K. P. (2015) Study of X-ray emission from the old open cluster, M67 Monthly Notices of the Royal Astronomical Society, 452 (4). pp. 3394-3407. ISSN 0035-8711

Kushwaha, Pankaj ; Singh, K. P. ; Sahayanathan, Sunder (2014) Brightest Fermi-lAT flares of PKS 1222+216: implications on emission and acceleration processes The Astrophysical Journal, 796 (1). p. 61. ISSN 0004-637X

Schlegel, E. M. ; Shipley, H. V. ; Rana, V. R. ; Barrett, P. E. ; Singh, K. P. (2014) X-ray emission line spectroscopy of cataclymic variables. II. Temperature and densities from line ratios in the Chandra HETG band The Astrophysical Journal, 797 (1). p. 38. ISSN 0004-637X

Kushwaha, P. ; Sahayanathan, S. ; Lekshmi, R. ; Singh, K. P. ; Bhattacharyya, S. ; Bhattacharya, D. (2014) Gamma-ray flare of PKS 1222+216 in 2010: effect of jet dynamics at the recollimation zone Monthly Notices of the Royal Astronomical Society, 442 (1). pp. 131-137. ISSN 0035-8711

Lakhchaura, Kiran ; Singh, K. P. (2014) Dynamics of 10 clusters of galaxies with substructures The Astronomical Journal, 147 (6). p. 156. ISSN 0004-6256

Bhatt, Himali ; Pandey, J. C. ; Singh, K. P. ; Sagar, Ram ; Kumar, Brijesh (2014) X-ray flares observed from six young stars located in the region of star clusters NGC 869 and IC 2602 Journal of Astrophysics and Astronomy, 35 (1). pp. 39-54. ISSN 0250-6335

Lakhchaura, Kiran ; Singh, K. P. (2014) Possible detection of a cool-core in the cluster RXC J1252.5-3116 Bulletin of the Astronomical Society of India, 42 (1). pp. 27-37. ISSN 0304-9523

Lalitha, S. ; Poppenhaeger, K. ; Singh, K. P. ; Czesla, S. ; Schmitt, J. H. M. M. (2014) X-ray emission from the super-earth host GJ 1214 The Astrophysical Journal, 790 (1). L11. ISSN 0004-637X

Bhatt, Himali ; Pandey, J. C. ; Singh, K. P. ; Sagar, Ram ; Kumar, Brijesh (2013) X-ray observations of eight young open star clusters: I. Membership and X-ray luminosity Journal of Astrophysics and Astronomy, 34 (4). pp. 393-429. ISSN 0250-6335

Kushwaha, P. ; Sahayanathan, S. ; Singh, K. P. (2013) High energy emission processes in OJ 287 during 2009 flare Monthly Notices of the Royal Astronomical Society, 433 (3). pp. 2380-2388. ISSN 0035-8711

Singh, K. P. (2013) X-ray emission from magnetic cataclysmic variables Recent Trends in the Study of Compact Objects: Theory and Observation: ASI Conference Series, 8 . pp. 115-122.

Singh, K. P. (2013) An X-ray view of quasars Bulletin of the Astronomical Society of India, 41 . pp. 137-157. ISSN 0304-9523

Lakhchaura, Kiran ; Singh, K. P. ; Saikia, D. J. ; Hunstead, R. W. (2013) A cluster pair: A3532 and A3530 The Astrophysical Journal, 767 (1). p. 91. ISSN 0004-637X

Pandey, J. C. ; Singh, K. P. (2012) A study of X-ray flares - II. RS CVn-type binaries Monthly Notices of the Royal Astronomical Society, 419 (2). pp. 1219-1237. ISSN 0035-8711

Girish, V. ; Singh, K. P. (2012) X-ray observations of INTEGRAL discovered cataclysmic variable IGR J17195−4100 Monthly Notices of the Royal Astronomical Society, 427 (1). pp. 458-467. ISSN 0035-8711

Singh, Kulinder Pal (2011) Grazing incidence optics for X-ray Astronomy X-ray Optics Journal of Optics, 40 (3). pp. 88-95. ISSN 0150-536X

Lakhchaura, Kiran ; Singh, K. P. ; Saikia, D. J. ; Hunstead, R. W. (2011) Intracluster medium of the merging cluster A3395 The Astrophysical Journal, 743 (1). p. 78. ISSN 0004-637X

Bhatt, Himali ; Pandey, J. C. ; Kumar, Brijesh ; Sagar, Ram ; Singh, K. P. (2010) X-ray emission from O-type stars: DH Cep and HD 97434 New Astronomy, 15 (8). pp. 755-759. ISSN 1384-1076

Sagdeo, Archna ; Rai, S. K. ; Lodha, Gyan S. ; Singh, K. P. ; Yadav, Nisha ; Dhawan, R. ; Tonpe, Umesh ; Vahia, M. N. (2010) X-ray characterization of thin foil gold mirrors of a soft X-ray telescope for ASTROSAT: characterization of SXT mirrors by X-ray reflectivity Experimental Astronomy, 28 (1). pp. 11-23. ISSN 0922-6435

Bhatt, Himali ; Pandey, J. C. ; Kumar, Brijesh ; Singh, K. P. ; Sagar, Ram (2010) X-ray emission characteristics of two Wolf-Rayet binaries: V444 Cyg and CD Cru Monthly Notices of the Royal Astronomical Society, 402 (3). pp. 1767-1779. ISSN 0035-8711

Kothare, Atul ; Mirza, Irfan ; Singh, K. P. ; Abbey, A. F. (2009) FPGA-based flexible CCD control system for X-ray astronomy payloads Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 604 (3). pp. 747-754. ISSN 0168-9002

Joshi, Himali ; Kumar, Brijesh ; Singh, K. P. ; Sagar, Ram ; Sharma, Saurabh ; Pandey, J. C. (2008) Multiwavelength study of a young open cluster NGC 7419 Monthly Notices of the Royal Astronomical Society, 391 (3). pp. 1279-1300. ISSN 0035-8711

Pandey, J. C. ; Singh, K. P. (2008) A study of X-ray flares- I. Active late-type dwarfs Monthly Notices of the Royal Astronomical Society, 387 (4). pp. 1627-1648. ISSN 0035-8711

Girish, V. ; Rana, V. R. ; Singh, K. P. (2007) Chandra high-resolution X-ray spectroscopy of AM Herculis The Astrophysical Journal, 658 (1). pp. 525-533. ISSN 0004-637X

Pandey, J. C. ; Singh, K. P. ; Sagar, R. ; Drake, S. A. (2007) Multiwavelength studies of five chromospherically active stars Proceedings of the conference held 1-5 November, 2005 in Sejong University . pp. 74-79.

Rana, V. R. ; Singh, K. P. ; Schlegel, E. M. ; Barrett, P. E. (2006) Study of Fe Kα lines in nonmagnetic cataclysmic variables using Chandra HEG data The Astrophysical Journal, 642 (2). pp. 1042-1050. ISSN 0004-637X

Pandey, J. C. ; Singh, K. P. ; Drake, S. A. ; Sagar, R. (2005) Unravelling the nature of HD 81032- a new RS CVn Binary Journal of Astrophysics and Astronomy, 26 (4). pp. 359-376. ISSN 0250-6335

Pandey, J. C. ; Singh, K. P. ; Drake, S. A. ; Sagar, R. (2005) Optical and X-ray studies of chromospherically active stars: FR Cancri, HD 95559, and LO Pegasi The Astronomical Journal, 130 (3). pp. 1231-1246. ISSN 0004-6256

Rana, V. R. ; Singh, K. P. ; Barrett, P. E. ; Buckley, D. A. H. (2005) X-ray emission and optical polarization of V1432 aquilae: an asynchronous polar The Astrophysical Journal, 625 (1). pp. 351-367. ISSN 0004-637X

Rana, V. R. ; Singh, K. P. ; Schlegel, E. M. ; Barrett, P. (2004) Periodicities in the X-ray intensity variations of TV Columbae: an intermediate polar The Astronomical Journal, 127 (1). pp. 489-500. ISSN 0004-6256

Singh, K. P. ; Rana, V. R. (2003) V1432 Aql: a polar or an intermediate polar? Astronomy & Astrophysics, 410 (1). pp. 231-238. ISSN 0004-6361

Pandey, J. C. ; Singh, K. P. ; Sagar, R. ; Drake, S. A. (2002) FR Cnc=BD+16°1753- a young active main-sequence star Information Bulletin on Variable Stars, 5351 . pp. 1-4. ISSN 0374-0676

Dewangan, G. C. ; Singh, K. P. ; Gunn, K. F. ; Newsam, A. M. ; McHardy, I. M. ; Jones, L. R. (2002) Soft X-ray properties of a high-redshift sample of QSOs observed with ROSAT Monthly Notices of the Royal Astronomical Society, 337 (2). pp. 693-705. ISSN 0035-8711

Dewangan, G. C. ; Singh, K. P. ; Mayya, Y. D. ; Anupama, G. C. (2002) Active nucleus in a post-starburst galaxy: KUG 1259+280 Monthly Notices of the Royal Astronomical Society, 318 (1). pp. 309-320. ISSN 0035-8711

Padmakar, ; Singh, K. P. ; Drake, S. A. ; Pandey, S. K. (2002) Optical, X-ray and radio observations of HD 61396: a probable new RS CVn-type binary Monthly Notices of the Royal Astronomical Society, 314 (4). pp. 733-742. ISSN 0035-8711

Singh, Kulinder Pal ; Jones, Laurence R. (2002) An ultrasoft X-ray source (RX 215319-1514) and discovery of a narrow-line Seyfert 1 galaxy Monthly Notices of the Royal Astronomical Society, 312 (2). pp. 380-386. ISSN 0035-8711

Pandey, J. C. ; Singh, K. P. ; Sagar, R. ; Drake, S. A. (2002) Photometric variability of four coronally active stars Journal of Astrophysics and Astronomy, 23 (1-2). pp. 9-14. ISSN 0250-6335

Dewangan, G. C. ; Singh, K. P. ; Jones, L. R. ; McHardy, I. M. ; Mason, K. O. ; Newsam, A. M. (2001) Optical and X-ray characteristics of a newly discovered narrow-line quasi-stellar object: RX J1334.2+3759 Monthly Notices of the Royal Astronomical Society, 325 (4). pp. 1616-1624. ISSN 0035-8711

Mathur, S. ; Matt, G. ; Green, P. J. ; Elvis, M. ; Singh, K. P. (2001) Surprises from a deep ASCA spectrum of the broad absorption line Quasar PHL 5200 The Astrophysical Journal Letters, 551 (1). L13-L16. ISSN 2041-8205

Dewangan, G. C. ; Boller, Th. ; Singh, K. P. ; Leighly, K. M. (2000) A 10-day ASCA observation of the narrow-line Seyfert 1 galaxy IRAS 13224-3809 Astronomy & Astrophysics, 390 (1). pp. 65-80. ISSN 0004-6361

Brickhouse, N. S. ; Dupree, A. K. ; Edgar, R. J. ; Liedahl, D. A. ; Drake, S. A. ; White, N. E. ; Singh, K. P. (2000) Coronal structure and abundances of capella from simultaneous EUVE and ASCA spectroscopy The Astrophysical Journal, 530 (1). pp. 387-402. ISSN 0004-637X

Dewangan, G. C. ; Singh, K. P. ; Szkody, P. ; Hoard, D. W. (2000) A new narrow-line Seyfert 1 galaxy: RX J1236.9+2656 Astronomy & Astrophysics, 360 . pp. 107-110. ISSN 1432-0746

Singh, Kulinder Pal (1999) High resolution X-ray imaging observations of two low-luminosity Seyfert galaxies Monthly Notices of the Royal Astronomical Society, 309 (4). pp. 991-1006. ISSN 0035-8711

Dewangan, G. C. ; Singh, K. P. ; Bhat, P. N. (1999) Dust properties of NGC 4753 The Astronomical Journal, 118 (2). pp. 785-796. ISSN 0004-6256

Shrader, C. R. ; Sutaria, F. K. ; Singh, K. P. ; Macomb, D. J. (1999) High-energy spectral and temporal characteristics of GRO J1008-57 The Astrophysical Journal, 512 (2). pp. 920-928. ISSN 0004-637X

Singh, K. P. ; Drake, S. A. ; Gotthelf, E. V. ; White, N. E. (1999) X-ray spectroscopy of rapidly rotating, late-type dwarf stars The Astrophysical Journal, 512 (2). pp. 874-891. ISSN 0004-637X

Mewe, R. ; Drake, S. A. ; Kaastra, J. S. ; Schrijver, C. J. ; Drake, J. J. ; Güdel, M. ; Schmitt, J. H. M. M. ; Singh, K. P. ; White, N. E. (1998) α Centauri: coronal temperature structure and abundances from ASCA observations Astronomy & Astrophysics, 339 (2). pp. 545-552. ISSN 0004-6361

Singh, K. P. ; Schnopper, H. W. ; Westergaard, N. J. (1998) Observing broad-absorption line quasars with Spectrum-Röntgen-Gamma Physica Scripta, 1998 (T77). pp. 65-66. ISSN 0031-8949

Randich, S. ; Singh, K. P. ; Simon, T. ; Drake, S. A. ; Schmitt, J. H. M. M. (1998) ROSAT HRI observations of the intermediate-age open cluster IC 4756 Astronomy & Astrophysics, 337 (2). pp. 372-378. ISSN 0004-6361

Singh, K. P. ; Ojha, D. K. ; Schnopper, H. W. ; Westergaard, N. J. (1998) X-ray emission from open star clusters with Spectrum-Röntgen-Gamma Physica Scripta, 1998 (T77). pp. 142-143. ISSN 0031-8949

Singh, K. P. ; Shrader, C. R. ; George, I. M. (1997) X-ray spectrum of the high-polarization Quasar PKS 1510-089 The Astrophysical Journal, 491 (2). pp. 515-521. ISSN 0004-637X

Harrus, Ilana M. ; Hughes, John P. ; Singh, K. P. ; Koyama, K. ; Asaoka, I. (1997) Interpretation of the center-filled emission from the supernova remnant W44 The Astrophysical Journal, 488 (2). pp. 781-791. ISSN 0004-637X

Shrader, C. R. ; Singh, K. P. ; Barrett, P. (1997) The ultraviolet spectrum of the magnetic cataclysmic variable RX J1802.1+1804 The Astrophysical Journal, 486 (2). pp. 1006-1012. ISSN 0004-637X

Schlegel, Eric M. ; Barrett, Paul ; Singh, Kulinder Pal (1997) A ROSAT PSPC study of NGC 55 The Astronomical Journal, 113 (4). pp. 1296-1309. ISSN 0004-6256

Paul, B. ; Rao, A. R. ; Singh, K. P. (1997) Torque-luminosity correlation and possible evidence for core-crust relaxation in the X-ray pulsar GX 1+4 Astronomy & Astrophysics, 329 (2). L9-L12. ISSN 0004-6361

Siarkowski, M. ; Preś, P. ; Drake, S. A. ; White, N. E. ; Singh, K. P. (1996) Corona(e) of AR Lacertae. II. The spatial structure The Astrophysical Journal, 473 (1). pp. 470-482. ISSN 0004-637X

Kaastra, J. S. ; Merwe, R. ; Liedahl, D. A. ; Singh, K. P. ; White, N. E. ; Drake, S. A. (1996) Emission measure analysis methods: the corona of AR Lacertae revisited Astronomy & Astrophysics, 314 . pp. 547-557. ISSN 0004-6361

Singh, K. P. ; Drake, S. A. ; White, N. E. ; Simon, Theodore (1996) ROSAT observations of five chromospherically active stars The Astronomical Journal, 112 (1). pp. 221-229. ISSN 0004-6256

Singh, K. P. ; Drake, S. A. ; White, N. E. (1996) RS CVn versus ALGOL-type binaries: a comparative study of their X-ray emission The Astronomical Journal, 111 . pp. 2415-2421. ISSN 0004-6256

Mahabal, Ashish ; Kembhavi, Ajit ; Singh, K. P. ; Bhat, P. N. ; Prabhu, T. P. (1996) A dust lane in the radio galaxy 3C 270 The Astrophysical Journal, 457 . pp. 598-603. ISSN 0004-637X

Singh, K. P. ; White, N. E. ; Drake, S. A. (1996) Corona(e) of AR lacertae. I. The temperature and abundance distribution The Astrophysical Journal, 456 . pp. 766-776. ISSN 0004-637X

Singh, K. P. ; Barrett, P. ; White, N. E. ; Giommi, P. ; Angelini, L. (1995) The softest X-ray sources in the ROSAT pointed catalog: WGACAT The Astrophysical Journal, 455 . pp. 456-467. ISSN 0004-637X

Szkody, Paula ; Silber, Andrew ; Hoard, D. W. ; Fierce, E. ; Singh, K. P. ; Barrett, P. ; Schlegel, E. ; Piirola, V. (1995) Identification of the soft X-ray source WGA J1802.1+1804 with a new magnetic cataclysmic variable The Astrophysical Journal Letters, 455 (1). L43-L46. ISSN 2041-8205

Mathur, Smita ; Elvis, Martin ; Singh, K. P. (1995) Strong X-ray absorption in a broad absorption line Quasar: PHL 5200 The Astrophysical Journal Letters, 455 (1). L9-L12. ISSN 2041-8205

Singh, K. P. ; Szkody, P. ; Barrett, P. ; White, N. E. ; Fierce, E. ; Silber, A. ; Hoard, D. W. ; Hakala, P. J. ; Piirola, V. ; Sohl, K. (1995) A new magnetic cataclysmic variable: WGA J1047.1+6335 The Astrophysical Journal Letters, 453 (2). L95-L98. ISSN 2041-8205

Singh, K. P. ; Bhat, P. N. ; Prabhu, T. P. ; Kembhavi, A. K. (1995) Distribution of ionized gas in X-ray bright early-type galaxies Astronomy & Astrophysics, 302 . p. 658. ISSN 0004-6361

Singh, K. P. ; Drake, S. A. ; White, N. E. (1995) A study of coronal X-ray emission from short-period algol binaries The Astrophysical Journal, 445 (2). pp. 840-854. ISSN 0004-637X

Prabhu, T. P. ; Mayya, Y. D. ; Singh, K. P. ; Kameswara Rao, N. ; Ghosh, K. K. ; Mekkaden, M. V. ; Pati, A. K. ; Raveendran, A. V. ; Reddy, B. E. ; Sagar, R. ; Subramaniam, A. ; Surendiranath, R. (1995) SN 1993J in M 81: optical photometry and spectrophotometry during the first two months Astronomy & Astrophysics, 295 (2). pp. 403-412. ISSN 0004-6361

Prabhu, T. P. ; Mayya, Y. D. ; Singh, K. P. ; Kameshwar Rao, N. ; Ghosh, K. K. ; Mekkaden, M. V. ; Patil, A. K. ; Raveendran, A. V. ; Reddy, B. E. ; Sagar, R. ; Subramaniam, A. ; Surendiranath, R. (1995) SN 1993J in M81: optical photometry and spectrophotometery during the first two months Astronomy & Astrophysics, 295 (2). pp. 403-412. ISSN 0004-6361

Drake, S. A. ; Singh, K. P. ; White, N. E. ; Simon, Theodore (1994) ASCA X-ray spectra of the active single stars β Ceti and π¹ Ursae Majoris The Astrophysical Journal, 436 (1). L87-L90. ISSN 0004-637X

Singh, K. P. ; Apparao, K. M. V. (1994) Spectral variations in the low-mass X-ray binary 4U 0614+09 The Astrophysical Journal, 431 (2). pp. 826-835. ISSN 0004-637X

Singh, K. P. ; Prabhu, T. P. ; Kembhavi, A. K. ; Bhat, P. N. (1994) Dust and ionized gas in NGC 3607 The Astrophysical Journal, 424 (2). pp. 638-644. ISSN 0004-637X

Rajeev, M. R. ; Chitnis, V. R. ; Rao, A. R. ; Singh, K. P. (1994) Generalized spectral model for 1-100 keV X-ray emission from Cygnus X-3 based on EXOSAT data The Astrophysical Journal, 424 (1). pp. 376-394. ISSN 0004-637X

Hughes, John P. ; Singh, K. P. (1994) Elemental abundances of the supernova remnant G292.0+1.8: evidence for a massive progenitor The Astrophysical Journal, 422 (1). pp. 126-135. ISSN 0004-637X

Anupama, G. C. ; Kembhavi, A. K. ; Prabhu, T. P. ; Singh, K. P. (1994) BVRI photometry of dipper asterism region in M67 Astronomy & Astrophysics Supplement Series, 103 . pp. 315-320. ISSN 0365-0138

Burrows, D. N. ; singh, K. P. ; Nousek, J. A. ; Garmire, G. P. ; Good, J. (1993) A multiwavelength study of the eridanus soft X-ray enhancement The Astrophysical Journal, 406 (1). pp. 97-111. ISSN 0004-637X

Ray, A. ; Singh, K. P. ; Sutaria, F. K. (1993) The bolometric light curve of SN1993J and the nature of its progenitor Journal of Astrophysics and Astronomy, 14 (2). pp. 53-63. ISSN 0250-6335

Singh, K. P. ; Westergaard, N. J. (1992) Radio structure of the Seyfert galaxy Markarian 509 Astronomy & Astrophysics, 264 (2). pp. 489-492. ISSN 0004-6361

Singh, K. P. ; Rao, A. R. ; Vahia, M. N. (1992) EXOSAT measurement of the spectrum of Markarian 382 Astronomy & Astrophysics, 262 (1). pp. 49-51. ISSN 0004-6361

Singh, K. P. ; Rao, A. R. ; Vahia, M. N. (1992) X-ray continuum and line emission of the Seyfert galaxy MCG - 5-23-16 The Astrophysical Journal, 385 . pp. 132-136. ISSN 0004-637X

Bhat, P. N. ; Singh, K. P. ; Prabhu, T. P. ; Kembhavi, A. K. (1992) VRI photometry of M67 for CCD standardization at 2.3m VBT Journal of Astrophysics and Astronomy, 13 (4). pp. 293-305. ISSN 0250-6335

Rao, A. R. ; Singh, K. P. ; Vahia, M. N. (1992) X-ray variability in the Seyfert galaxy Markarian 618 Monthly Notices of the Royal Astronomical Society, 255 (2). pp. 197-202. ISSN 0035-8711

Singh, K. P. ; Rao, A. R. ; Vahia, M. N. (1991) X-ray observations of the bright Seyfert galaxy IC 4329A The Astrophysical Journal, 377 . pp. 417-425. ISSN 0004-637X

Chanmugam, G. ; Ray, A. R. ; Singh, K. P. (1991) The formation and detection of strongly magnetic white dwarf binaries in globular clusters The Astrophysical Journal, 375 . pp. 600-607. ISSN 0004-637X

Singh, K. P. ; Rao, A. R. ; Vahia, M. N. (1991) X-ray luminosity and spectral variability in the Seyfert type I galaxy : PG 2130+099 The Astrophysical Journal, 372 . pp. 49-53. ISSN 0004-637X

Apparao, Krishna M. V. ; Bishti, P. ; Singh, K. P. (1991) EXOSAT observations of the X-ray source 2S 0114+65 The Astrophysical Journal, 371 . pp. 772-775. ISSN 0004-637X

Singh, K. P. ; Rao, A. R. ; Vahia, M. N. (1991) EXOSAT observations of a quasar PKS 2135-147 Astronomy & Astrophysics, 243 (1). pp. 67-70. ISSN 0004-6361

Singh, K. P. ; Rao, A. R. ; Vahia, M. N. (1991) Observations of X-ray spectra of two nearby QSO's - MRK 205 and MRK 1148 Astronomy and Astrophysics, 248 (1). pp. 37-44. ISSN 0004-6361

Singh, K. P. ; Westergaard, N. J. ; Schnopper, H. W. ; Awaki, H. ; Tawara, Y. (1990) Ginga observations of X-rays from the Seyfert I galaxy Markarian 509 The Astrophysical Journal, 363 . pp. 131-141. ISSN 0004-637X

Singh, K. P. ; Rao, A. R. ; Vahia, M. N. (1990) X-ray Observations of the Radio Galaxy Pictor A Monthly Notices of the Royal Astronomical Society, 246 (4). pp. 706-711. ISSN 0035-8711

Rao, A. R. ; Singh, K. P. (1990) EXOSAT observations of the rapidly rotating flare star gliese 890 The Astrophysical Journal, 352 . pp. 303-306. ISSN 0004-637X

Singh, K. P. ; Rao, A. R. ; Vahia, M. N. (1990) EXOSAT observations of the blazar PKS 1510-089 The Astrophysical Journal, 365 (2). pp. 455-459. ISSN 0004-637X

Rao, A. R. ; Singh, K. P. ; Vahia, M. N. (1990) EXOSAT observations of the suspected flare star BD + 48°1958A The Astrophysical Journal, 365 (1). pp. 332-335. ISSN 0004-637X

Singh, K. P. ; Westergaard, N. J. ; Schnopper, H. W. (1988) Cooling flow in the 2A 0335+096 cluster of galaxies The Astrophysical Journal, 331 . pp. 672-681. ISSN 0004-637X

Singh, K. P. ; Westergaard, N. J. ; Schnopper, H. W. (1988) EXOSAT observations of the hot gas in the A1060 cluster of galaxies The Astrophysical Journal, 330 . pp. 620-624. ISSN 0004-637X

Patnaik, A. R. ; Singh, K. P. (1988) A very long head-tail radio galaxy in the X-ray cluster 2A 0335+096 Monthly Notices of the Royal Astronomical Society, 234 . pp. 847-852. ISSN 0035-8711

Agrawal, P. C. ; Singh, K. P. ; Riegler, G. R. (1987) X-ray intensity and spectral variations in the BL Lac sources H2155-304 and PKS0548-322 Monthly Notices of the Royal Astronomical Society, 227 . pp. 525-534. ISSN 0035-8711

Singh, K. P. ; Nousek, J. A. ; Burrows, D. N. ; Garmire, G. P. (1987) A 9 month long soft X-ray survey of the large magellanic cloud. I. X-ray map at ¼ keV The Astrophysical Journal, 313 . pp. 185-191. ISSN 0004-637X

Singh, K. P. ; Slijkhuis, S. ; Westergaard, N. J. ; Schnopper, H. W. ; Elgaroy, O. ; Engvold, O. ; Joras, P. (1987) X-ray spectrum of Sigma Geminorum: an RS Canum Vanaticorum type binary Monthly Notices of the Royal Astronomical Society, 224 . pp. 481-487. ISSN 0035-8711

Singh, K. P. ; Westergaard, N. J. ; Schnopper, H. W. (1987) EXOSAT observations of a broad absorption-line quasar: PHL 5200 Astronomy and Astrophysics, 172 (1-2). L11-L13. ISSN 0004-6361

Christensen, Finn E. ; Singh, Kulinder P. ; Westergaard, Niels J. ; Schnopper, Herbert W. (1987) Measurements of mosaicity and perfection of crystallites in commercially available crystals using a 4-axis perfect-crystal x-ray diffractometer Applied Optics, 26 (2). pp. 235-240. ISSN 0003-6935

Singh, K. P. ; Westergaard, N. J. ; Schnopper, H. W. ; Helfand, D. J. (1987) X-ray observations of the supernova remnant N103B in the large Magellanic cloud The Astrophysical Journal, 322 (1). pp. 80-87. ISSN 0004-637X

Singh, K. P. ; Westergaard, N. J. ; Schnopper, H. W. (1986) X-ray spectrum of the 2A 0335+096 cluster of galaxies The Astrophysical Journal, 308 (2). L51-L54. ISSN 0004-637X

Kembhavi, A. ; Feigelson, E. D. ; Singh, K. P. (1986) X-ray and radio core emission in radio quasars Monthly Notices of the Royal Astronomical Society, 220 . pp. 51-67. ISSN 0035-8711

Leahy, D. A. ; Naranan, S. ; Singh, K. P. (1986) X-ray detection of the monoceros supernova remnant Astrophysics and Space Science, 119 (1). pp. 249-252. ISSN 0004-640X

Leahy, D. A. ; Naranan, S ; Singh, K. P. (1986) An X-ray study of the Monoceros supernova remnant Monthly Notices of the Royal Astronomical Society, 220 (2). pp. 501-511. ISSN 0035-8711

Singh, K. P. ; Garmire, G. P. ; Nousek, J. (1985) Observations of soft X-ray spectrum from a Seyfert 1 and a narrow emission-line galaxy The Astrophysical Journal, 297 . pp. 633-638. ISSN 0004-637X

Leahy, D. A. ; Naranan, S. ; Singh, K. P. (1985) Einstein X-ray observations of the Monoceros supernova remnant Monthly Notices of the Royal Astronomical Society, 213 . pp. 15-19. ISSN 0035-8711

Singh, K. P. ; Garmire, G. P. (1985) Soft X-ray observations of two BL Lacertae objects: Markarian 421 and 501 The Astrophysical Journal, 297 (1). pp. 199-205. ISSN 0004-637X

Agrawal, P. C. ; Singh, K. P. ; Riegler, G. R. (1985) X-ray intensity variations in BL Lac sources H2155-304 and PKS 0548-322 Symposium - International Astronomical Union, 119 . pp. 273-274. ISSN 0074-1809

Agarwal, P. C. ; Singh, K. P. ; Riegler, G. R. ; Stern, R. A. (1984) An X-ray survey of beta Cephei stars Monthly Notices of the Royal Astronomical Society, 208 . pp. 845-851. ISSN 0035-8711

Singh, K. P. ; Agrawal, P. C. ; Riegler, G. R. (1984) Binary modulation and transient periodic variations in X-ray emission from the AM HER binary H0139-68 Monthly Notices of the Royal Astronomical Society, 208 . pp. 679-685. ISSN 0035-8711

Agrawal, P. C. ; Apparao, K. M. V. ; Singh, K. P. ; Rao, P. V. ; Sarma, M. B. K. (1984) Optical pulsations in the cataclysmic binary 3A 0729+103 Astronomy & Astrophysics, 131 (2). pp. 192-195. ISSN 0004-6361

Agrawal, P. C. ; Singh, K. P. ; Riegler, G. R. (1983) Detection of an extended soft X-ray source H2326-79 in the southern sky Astronomy and Astrophysics, 126 (1). pp. 70-74. ISSN 0004-6361

Singh, K. P. ; Agrawal, P. C. ; Manchanda, R. K. ; Naranan, S. ; Sreekantan, B. V. (1983) The spatial distribution and spectral characteristics of the diffuse soft X-ray background Astronomy & Astrophysics, 117 (2). pp. 319-331. ISSN 0004-6361

Agrawal, P. C. ; Riegler, G. R. ; Singh, K. P. (1983) X-Ray emission from the Pleiades cluster Astrophysics and Space Science, 92 (1). pp. 177-180. ISSN 0004-640X

Agrawal, P. C. ; Riegler, G. R. ; Singh, K. P. (1983) X-rays from supernovae remants 3C 400.2 (≡G53.7-2.2) and MSH 15-56 Astrophysics and Space Science, 89 (2). pp. 279-283. ISSN 0004-640X

Singh, K. P. ; Naranan, S. (1982) X-ray observations of single-line spectroscopic binaries Astronomy & Astrophysics, 113 (1). pp. 167-169. ISSN 0004-6361

Agrawal, P. C. ; Singh, K. P. (1982) X-rays from a peculiar nucleus galaxy NGC 2196 Astronomy & Astrophysics, 113 (1). pp. 73-75. ISSN 0004-6361

Singh, K. P. ; Manchanda, R. K. ; Naranan, S. ; Sreekantan, B. V. (1982) Extended regions of soft X-ray emission and background spectrum at Southern latitudes Astrophysical Letters, 23 (1). pp. 47-59. ISSN 0004-6388

Singh, K. P. ; Apparao, K. M. V. ; Manchanda, R. K. (1982) X-ray observation of two gamma-ray source fields with the Einstein Observatory Astrophysics and Space Science, 82 (2). pp. 477-479. ISSN 0004-640X

Singh, K. P. ; Manchanda, R. K. ; Naranan, S. ; Sreekantan, B. V. (1981) Soft X-ray emission from the high galactic latitude X-ray source MX 2140-60 Astrophysics and Space Science, 77 (1). pp. 215-220. ISSN 0004-640X

Singh, K. P. ; Manchanda, R. K. ; Rodrigues, J. ; Agrawal, P. C. ; Naranan, S. (1980) A large area gas-flow proportional counter system for soft X-ray astronomy Indian Journal of Radio and Space Physics, 9 . pp. 201-208. ISSN 0367-8393

Singh, K. P. ; Naranan, S. (1979) Evidence for supernova-induced star formation in the monoceros OB2 association Astrophysics and Space Science, 66 (1). pp. 191-199. ISSN 0004-640X