Browse by Fellow

Marthi, V. R. ; Chengalur, J. N. ; Gupta, Y. ; Dewangan, G. C. ; Bhattacharya, D. (2011) The central point source in G76.9+1.0 Monthly Notices of the Royal Astronomical Society, 416 (4). pp. 2560-2566. ISSN 0035-8711

Roychowdhury, Sambit ; Chengalur, Jayaram N. ; Kaisin, Serafim S. ; Begum, Ayesha ; Karachentsev, Igor D. (2011) Small bites: star formation recipes in extreme dwarfs Monthly Notices of the Royal Astronomical Society: Letters, 414 (1). L55-L59. ISSN 1745-3925

Ghosh, Abhik ; Bharadwaj, Somnath ; Saiyad Ali, Sk. ; Chengalur, Jayaram N. (2011) GMRT observation towards detecting the post-reionization 21-cm signal Monthly Notices of the Royal Astronomical Society, 411 (4). pp. 2426-2438. ISSN 0035-8711

Marthi, Visweshwar Ram ; Chengalur, Jayaram N. (2010) A search for the 55-MHz OH line Monthly Notices of the Royal Astronomical Society, 407 (1). pp. 258-262. ISSN 0035-8711

Ekta, B. ; Chengalur, Jayaram N. (2010) When are extremely metal-deficient galaxies extremely metal-deficient? Monthly Notices of the Royal Astronomical Society, 406 (2). pp. 1238-1247. ISSN 0035-8711

Kanekar, Nissim ; Chengalur, Jayaram N. ; Ghosh, Tapasi (2010) Probing fundamental constant evolution with redshifted conjugate-satellite OH lines The Astrophysical Journal Letters, 716 (1). L23-L26. ISSN 2041-8205

Dutta, Prasun ; Begum, Ayesha ; Bharadwaj, Somnath ; Chengalur, Jayaram N. (2010) Turbulence in the harassed galaxy NGC 4254 Monthly Notices of the Royal Astronomical Society: Letters, 405 (1). L102-L106. ISSN 1745-3925

Roy, Nirupam ; Chengalur, Jayaram N. ; Dutta, Prasun ; Bharadwaj, Somnath (2010) HI 21 cm opacity fluctuations power spectra towards Cassiopeia A Monthly Notices of the Royal Astronomical Society: Letters, 404 (1). L45-L49. ISSN 1745-3925

Roychowdhury, Sambit ; Chengalur, Jayaram N. ; Begum, Ayesha ; Karachentsev, Igor D. (2010) Thick gas discs in faint dwarf galaxies Monthly Notices of the Royal Astronomical Society: Letters, 404 (1). L60-L63. ISSN 1745-3925

Kanekar, N. ; Prochaska, J. X. ; Ellison, S. L. ; Chengalur, J. N. (2010) Probing fundamental constant evolution with neutral atomic gas lines The Astrophysical Journal Letters, 712 (2). L148-L152. ISSN 2041-8205

Ekta, B. ; Chengalur, Jayaram N. (2010) H I in isolated extremely metal-deficient galaxies Monthly Notices of the Royal Astronomical Society, 403 (1). pp. 295-299. ISSN 0035-8711

Lah, Philip ; Pracy, Michael B. ; Chengalur, Jayaram N. ; Briggs, Frank H. ; Colless, Matthew ; De Propris, Roberto ; Ferris, Shaun ; Schmidt, Brian P. ; Tucker, Bradley E. (2009) The HI gas content of galaxies around Abell 370, a galaxy cluster at z=0.37 Monthly Notices of the Royal Astronomical Society, 399 (3). pp. 1447-1470. ISSN 0035-8711

Chengalur, Jayaram N. (2009) Low frequency observations of high redshift galaxies Current Science, 97 (6). pp. 793-803. ISSN 0011-3891

Dutta, Prasun ; Begum, Ayesha ; Bharadwaj, Somnath ; Chengalur, Jayaram N. (2009) A study of interstellar medium of dwarf galaxies using HI power spectrum analysis Monthly Notices of the Royal Astronomical Society, 398 (2). pp. 887-897. ISSN 0035-8711

Ekta, B. ; Pustilnik, Simon A. ; Chengalur, Jayaram N. (2009) H I in very metal-poor galaxies: the SBS 0335-052 system Monthly Notices of the Royal Astronomical Society, 397 (2). pp. 963-970. ISSN 0035-8711

Roychowdhury, Sambit ; Chengalur, Jayaram N. ; Begum, Ayesha ; Karachentsev, Igor D. (2009) Star formation in extremely faint dwarf galaxies Monthly Notices of the Royal Astronomical Society, 397 (3). pp. 1435-1453. ISSN 0035-8711

Hess, Kelley M. ; Pisano, D. J. ; Wilcots, Eric M. ; Chengalur, Jayaram N. (2009) Anomalous HI in NGC 2997 The Astrophysical Journal, 699 (1). pp. 76-88. ISSN 0004-637X

Dutta, Prasun ; Begum, Ayesha ; Bharadwaj, Somnath ; Chengalur, Jayaram N. (2009) The scaleheight of NGC 1058 measured from its HI power spectrum Monthly Notices of the Royal Astronomical Society: Letters, 397 (1). L60-L63. ISSN 1745-3925

Kanekar, N. ; Prochaska, J. X. ; Ellison, S. L. ; Chengalur, J. N. (2009) A search for HI 21 cm absorption in strong Mg II absorbers in the redshift desert Monthly Notices of the Royal Astronomical Society, 396 (1). pp. 385-401. ISSN 0035-8711

Kanekar, N. ; Lane, W. M. ; Momjian, E. ; Briggs, F. H. ; Chengalur, J. N. (2009) The covering factor of high-redshift damped Lyman-α systems Monthly Notices of the Royal Astronomical Society: Letters, 394 (1). L61-L65. ISSN 1745-3925

Roy, Nirupam ; Bharadwaj, Somnath ; Dutta, Prasun ; Chengalur, Jayaram N. (2009) Magnetohydrodynamic turbulence in supernova remnants Monthly Notices of the Royal Astronomical Society, 393 (1). L26-L30. ISSN 0035-8711

Kanekar, Nissim ; Smette, Alain ; Briggs, Frank H. ; Chengalur, Jayaram N. (2009) A metallicity-spin temperature relation in damped Lyα systems The Astrophysical Journal Letters, 705 (1). L40-L40. ISSN 2041-8205

Ekta, ; Chengalur, Jayaram N. ; Pustilnik, Simon A. (2008) H I and star formation in the most metal-deficient galaxies Monthly Notices of the Royal Astronomical Society, 391 (2). pp. 881-890. ISSN 0035-8711

Roy, Nirupam ; Peedikakkandy, Leshma ; Chengalur, Jayaram N. (2008) Turbulence measurements from H I absorption spectra Monthly Notices of the Royal Astronomical Society: Letters, 387 (1). L18-L22. ISSN 1745-3925

Begum, Ayesha ; Chengalur, Jayaram N. ; Karachentsev, I. D. ; Sharina, M. E. (2008) Baryonic Tully-Fisher relation for extremely low mass galaxies Monthly Notices of the Royal Astronomical Society, 386 (1). pp. 138-144. ISSN 0035-8711

Begum, Ayesha ; Chengalur, Jayaram N. ; Karachentsev, I. D. ; Sharina, M. E. ; Kaisin, S. S. (2008) FIGGS: faint irregular galaxies GMRT survey-overview, observations and first results Monthly Notices of the Royal Astronomical Society, 386 (3). pp. 1667-1682. ISSN 0035-8711

Saiyad Ali, Sk. ; Bharadwaj, Somnath ; Chengalur, Jayaram N. (2008) Foregrounds for redshifted 21-cm studies of reionization: Giant Meter Wave Radio Telescope 153-MHz observations Monthly Notices of the Royal Astronomical Society, 385 (4). pp. 2166-2174. ISSN 0035-8711

Dutta, Prasun ; Begum, Ayesha ; Bharadwaj, Somnath ; Chengalur, Jayaram N. (2008) H I power spectrum of the spiral galaxy NGC 628 Monthly Notices of the Royal Astronomical Society: Letters, 384 (1). L34-L37. ISSN 1745-3925

Kanekar, Nissim ; Chengalur, Jayaram N. (2008) Outflowing atomic and molecular gas at z ~ 0.67 towards 1504 + 377 Monthly Notices of the Royal Astronomical Society: Letters, 384 (1). L6-L10. ISSN 1745-3925

Begum, Ayesha ; Chengalur, Jayaram N. ; Kennicutt, Robert C. ; Karachentsev, Igor D. ; Lee, Janice C. (2008) Life in the last lane: star formation and chemical evolution in an extremely gas rich dwarf Monthly Notices of the Royal Astronomical Society, 383 (2). pp. 809-816. ISSN 0035-8711

Carilli, C. L. ; Wang, Ran ; van Hoven, M. B. ; Dwarakanath, K. ; Chengalur, Jayaram N. ; Wyithe, Stuart (2007) A search for HI 21 cm absorption toward the highest redshift (z ~ 5.2) radio-loud objects The Astronomical Journal, 133 (6). pp. 2841-2845. ISSN 0004-637X

Kamp, I. ; Freudling, W. ; Chengalur, Jayaram N. (2007) H I 21 cm emission as a tracer of gas during the evolution from protoplanetary to debris disks The Astrophysical Journal, 660 (1). pp. 469-478. ISSN 0004-637X

Lah, Philip ; Chengalur, Jayaram N. ; Briggs, Frank H. ; Colless, Matthew ; De Propris, Roberto ; Pracy, Michael B. ; De Blok, W. J. G. ; Fujita, Shinobu S. ; Ajiki, Masaru ; Shioya, Yasuhiro ; Nagao, Tohru ; Murayama, Takashi ; Taniguchi, Yoshiaki ; Yagi, Masafumi ; Okamura, Sadanori (2007) The HI content of star-forming galaxies at z= 0.24 Monthly Notices of the Royal Astronomical Society, 376 (3). pp. 1357-1366. ISSN 0035-8711

Kanekar, N. ; Chengalur, J. N. ; Lane, W. M. (2007) HI 21-cm absorption at z~ 3.39 towards PKS 0201+ 113 Monthly Notices of the Royal Astronomical Society, 375 (4). pp. 1528-1536. ISSN 0035-8711

Chengalur, Jayaram N. ; Pustilnik, S. A. ; Martin, J.-M. ; Kniazev, A. Y. (2006) HI in extremely metal deficient galaxies-III. Giant Metrewave Radio Telescope observations of blue compact galaxy HS 0822+3542 Monthly Notices of the Royal Astronomical Society, 371 (4). pp. 1849-1854. ISSN 0035-8711

Ekta, ; Chengalur, Jayaram N. ; Pustilnik, Simon A. (2006) HI studies of extremely metal deficient galaxies-II: Giant Metrewave Radio Telescope observations of SBS 1129 + 576 Monthly Notices of the Royal Astronomical Society, 372 (2). pp. 853-861. ISSN 0035-8711

Begum, Ayesha ; Chengalur, Jayaram N. ; Bhardwaj, Somnath (2006) Power spectrum of H I intensity fluctuations in DDO 210 Monthly Notices of the Royal Astronomical Society: Letters, 372 (1). L33-L37. ISSN 1745-3925

Kanekar, N. ; Subrahmanyan, R. ; Ellison, S. L. ; Lane, W. M. ; Chengalur, J. N. (2006) H I 21 cm absorption at z~ 2.347 towards PKS B0438-436 Monthly Notices of the Royal Astronomical Society: Letters, 370 (1). L46-L50. ISSN 1745-3925

Begum, Ayesha ; Chengalur, Jayaram N. ; Karachentsev, I. D. ; Kaisin, S. S. ; Sharina, M. E. (2006) Gas distribution, kinematics and star formation in faint dwarf galaxies Monthly Notices of the Royal Astronomical Society, 365 (4). pp. 1220-1234. ISSN 0035-8711

Roy, Nirupam ; Chengalur, Jayaram N. ; Srianand, Raghunathan (2006) A multiwavelength investigation of the temperature of the cold neutral medium Monthly Notices of the Royal Astronomical Society: Letters, 365 (1). L1-L5. ISSN 1745-3925

Begum, Ayesha ; Chengalur, Jayaram N. (2005) A search for H I in some peculiar faint dwarf galaxies Monthly Notices of the Royal Astronomical Society, 362 (2). pp. 609-611. ISSN 0035-8711

Begum, Ayesha ; Chengalur, Jayaram N. ; Karachentsev, I. D. ; Sharina, M. E. (2005) Resolving the mystery of the dwarf galaxy HIZSS003 Monthly Notices of the Royal Astronomical Society: Letters, 359 (1). L53-L57. ISSN 1745-3925

Begum, A. ; Chengalur, J. N. ; Karachentsev, I. D. (2005) A dwarf galaxy with a giant HI disk Astronomy &; Astrophysics, 433 (1). L1-L4. ISSN 0004-6361

Kanekar, N. ; Chengalur, J. N. (2005) The strange case of a sub-DLA with very little HI Astronomy & Astrophysics, 429 (3). L51-L54. ISSN 0004-6361

Kanekar, Nissim ; Chengalur, Jayaram N. (2005) HI 21cm absorption studies of damped Lyman-α systems Proceedings of the International Astronomical Union, 1 . pp. 156-161. ISSN 1743-9213

Kanekar, Nissim ; Chengalur, J. N. (2004) The use of OH 'main' lines to constrain the variation of fundamental constants Monthly Notices of the Royal Astronomical Society, 350 (1). L17-L20. ISSN 0035-8711

Begum, A. ; Chengalur, J. N. (2004) Kinematics of the faintest gas rich galaxy in the local group: DDO210 Astronomy & Astrophysics, 413 (2). pp. 525-534. ISSN 0004-6361

Kanekar, Nissim ; Chengalur, Jayaram N. ; Ghosh, Tapasi (2004) Conjugate 18 cm OH satellite lines at a cosmological distance Physical Review Letters, 93 (5). 051302-051305. ISSN 0031-9007

Kanekar, Nissim ; Subrahmanyan, Ravi ; Chengalur, Jayaram N. ; Safouris, Vicky (2003) The temperature of the warm neutral medium in the milky way Monthly Notices of the Royal Astronomical Society, 346 (4). L57-L61. ISSN 0035-8711

Begum, A. ; Chengalur, J. N. (2003) Kinematics of the dwarf irregular galaxy GR8 Astronomy &Astrophysics, 409 (3). pp. 879-886. ISSN 0004-6361

Kanekar, N. ; Chengalur, J. N. ; De Bruyn, A. G. ; Narasimha, D. (2003) Detection of OH and wide HI absorption toward B0218+357 Monthly Notices of the Royal Astronomical Society, 345 (1). L7-L11. ISSN 0035-8711

Chengalur, J. N. ; Kanekar, N. (2003) Widespread acetaldehyde near the galactic centre Astronomy & Astrophysics, 403 (3). L43-L46. ISSN 0004-6361

Beguma, Ayesha ; Chengalur, Jayaram N. ; Hopp, Ulrich (2003) The little galaxy that could: kinematics of Camelopardalis B New Astronomy, 8 (4). pp. 267-280. ISSN 1384-1076

Kanekar, Nissim ; Chengalur, Jayaram N. (2003) A deep search for 21-cm absorption in high redshift damped Lyman-αsystems Astronomy &; Astrophysics, 399 (3). pp. 857-868. ISSN 0004-6361

Chengalur, Jayaram N. ; Kanekar, Nissim (2003) Constraining the variation of fundamental constants using 18 cm OH lines Physical Review Letters, 91 (24). pp. 241302-241305. ISSN 0031-9007

Omar, A. ; Chengalur, J. N. ; Anish Roshi, D. (2002) Multi-frequency GMRT observations of the HII regions S 201, S 206, and S 209: Galactic temperature gradient Astronomy & Astrophysics, 395 (1). pp. 227-292. ISSN 0004-6361

Chengalur, J. N. ; Kanekar, N. (2002) HI 21cm imaging of a nearby damped Lyman-α system Astronomy & Astrophysics, 388 (2). pp. 383-388. ISSN 0004-6361

Narasimha, D. ; Kanekar, N. ; Chengalur, J. N. (2002) Tracking the shadows through GMRT Journal of Astrophysics and Astronomy, 23 (1-2). pp. 165-171. ISSN 0250-6335

Kanekar, N. ; Athreya, R. M. ; Chengalur, J. N. (2002) A new 21-cm absorber identified with an L ~ L* galaxy Astronomy & Astrophysics, 382 (3). pp. 838-842. ISSN 0004-6361

Kanekar, N. ; Chengalur, J. N. (2002) Molecular gas at intermediate redshifts Astronomy & Astrophysics, 381 (3). L73-L76. ISSN 0004-6361

Kanekar, Nissim ; Chengalur, Jayaram N. (2001) Variable 21-cm absorption at z= 0.3127 Monthly Notices of the Royal Astronomical Society, 325 (2). pp. 631-635. ISSN 0035-8711

Kanekar, N. ; Ghosh, T. ; Chengalur, J. N. (2001) Detection of a multi-phase ISM at z = 0.2212 Astronomy & Astrophysics, 373 (2). pp. 394-401. ISSN 0004-6361

Chengalur, J. N. ; Braun, R. ; Wieringa, M. (2001) HI in Abell 3128 Astronomy & Astrophysics, 372 (3). pp. 768-774. ISSN 0004-6361

Burton, W. B. ; Braun, R. ; Chengalur, J. N. (2001) Arecibo imaging of compact high-velocity clouds Astronomy &; Astrophysics, 369 (2). pp. 616-642. ISSN 0004-6361

Kanekar, N. ; Chengalur, J. N. (2001) HI 21 cm absorption in low z damped Lyman-α systems Astronomy & Astrophysics, 369 (1). pp. 42-48. ISSN 0004-6361

Mohan, Rekhesh ; Dwarakanath, K. S. ; Srinivasan, G. ; Chengalur, Jayaram N. (2001) GMRT observations of interstellar clouds in the 21cm line of atomic hydrogen Journal of Astrophysics and Astronomy, 22 (1). pp. 35-50. ISSN 0250-6335

Kanekar, N. ; Chengalur, J. N. ; Subrahmanyan, R. ; Petitjean, P. (2001) ATCA search for 21 cm emission from a candidate damped Ly-α absorber at z = 0.101 Astronomy & Astrophysics, 367 (1). pp. 46-50. ISSN 0004-6361

Nordgren, Tyler E. ; Chengalur, Jayaram N. ; Salpeter, E. E. ; Terzian, Yervant (2000) The 1.0 megaparsec galaxy pair sample in low-density regions The Astrophysical Journal, 544 (1). pp. 176-187. ISSN 0004-637X

Kanekar, Nissim ; Chengalur, Jayaram N. (1999) The nature of low redshift damped Ly-α systems Pramana - Journal of Physics, 53 (6). pp. 1013-1019. ISSN 0304-4289

Chengalur, Jayaram N. ; de Bruyn, A. G. ; Narasimha, D. (1999) HI and OH absorption at z= 0.89 Astronomy & Astrophysics, 343 . L79-L82. ISSN 0004-6361

Chengalur, Jayaram N. ; Kanekar, Nissim (1999) Giant metrewave radio telescope observations of low-z damped Lyα absorbers Monthly Notices of the Royal Astronomical Society, 302 (2). L29-L32. ISSN 0035-8711

Nordgren, Tyler E. ; Chengalur, Jayaram N. ; Salpeter, E. E. ; Terzian, Yervant (1998) Very wide galaxy pairs of the northern and southern sky The Astrophysical Journal Supplement Series, 115 (1). pp. 43-57. ISSN 0067-0049

Nordgren, Tyler E. ; Chengalur, Jayaram N. ; Salpeter, E. E. ; Terzian, Yervant (1997) Close galaxy pairs in low and medium density regions: the Southern sky The Astronomical Journal, 114 (3). pp. 913-931. ISSN 0004-6256

Nordgren, Tyler E. ; Chengalur, Jayaram N. ; Salpeter, E. E. ; Yervant, Terzian (1997) Close galaxy pairs in medium density regions: the Northern sky The Astronomical Journal, 114 . pp. 77-93. ISSN 0004-6256

Chengalur, Jayaram N. ; Braun, Robert ; Butler Burton, W. (1997) DI in the outer galaxy Astronomy & Astrophysics, 318 . L35-L38. ISSN 0004-6361

Kanekar, Nissim ; Chengalur, Jayaram N. (1997) ORT observations of the damped Lyman α system towards PKS 0201+ 113 Monthly Notices of the Royal Astronomical Society, 292 . pp. 831-834. ISSN 0035-8711

Nordgren, Tyler E. ; Helou, George ; Chengalur, Jayaram N. ; Terzian, Yervant ; Khachikian, Ed (1995) The morphology and kinematics of 16 Markarian galaxies with multiple nuclei. I. Basic data The Astrophysical Journal - Supplement Series, 99 . pp. 461-500. ISSN 0067-0049

Chengalur, Jayaram N. ; Salpeter, E. E. ; Terzian, Yervant (1995) Dynamics of binary galaxies. III. Details of the close pairs The Astronomical Journal, 110 (1). pp. 167-178. ISSN 0004-6256

Chengalur, Jayaram N. ; Riccardo, Giovanelli ; Haynes, Martha P. (1995) VLA Observations of HI 1225+ 01 The Astronomical Journal, 109 . p. 2415. ISSN 0004-6256

Chengalur, Jayaram N. ; Salpeter, E. E. ; Yervant, Terzian (1994) Dynamics of binary galaxies. II. Close pairs The Astronomical Journal, 107 (6). pp. 1984-2005. ISSN 0004-6256

Bruce, Balick ; Rugers, M. ; Yervant, Terzian ; Chengalur, Jayaram N. (1993) Fast, low-ionization emission regions and other microstructures in planetary nebulae The Astrophysical Journal, 411 . pp. 778-793. ISSN 0004-637X

Chengalur, Jayaram N. ; Lewis, B. M. ; Eder, J. ; Terzian, Yervant (1993) New OH/IR stars from color-selected IRAS sources. 3: A complete survey The Astrophysical Journal -Supplement Series, 89 . pp. 189-210. ISSN 0067-0049