Items where Author is "Sagar, Ram"

Article

Nayak, P. K. ; Subramaniam, A. ; Choudhury, S. ; Indu, G. ; Sagar, Ram (2016) Star clusters in the Magellanic Clouds – I. Parametrization and classification of 1072 clusters in the LMC Monthly Notices of the Royal Astronomical Society, 463 (2). pp. 1446-1461. ISSN 0035-8711

Naja, Manish ; Bhardwaj, Piyush ; Singh, Narendra ; Kumar, Phani ; Kumar, Rajesh ; Ojha, N. ; Sagar, Ram ; Satheesh, S. K. ; Krishna Moorthy, K. ; Kotamarthi, V. R. (2016) High-frequency vertical profiling of meteorological parameters using AMF1 facility during RAWEX–GVAX at ARIES, Nainital Current Science, 111 (1). pp. 132-140. ISSN 0011-3891

Nayak, P. K. ; Subramaniam, A. ; Choudhury, S. ; Indu, G. ; Sagar, Ram (2016) Star clusters in the Magellanic Clouds – I. Parametrization and classification of 1072 clusters in the LMC Monthly Notices of the Royal Astronomical Society, 463 (2). pp. 1446-1461. ISSN 0035-8711

Singh, Narendra ; Solanki, Raman ; Ojha, N. ; Naja, M. ; Dumka, U. C. ; Phanikumar, D. V. ; Sagar, Ram ; Satheesh, S. K. ; Krishna Moorthy, K. ; Kotamarthi, V. R. ; Dhaka, S. K. (2016) Variations in the cloud-base height over the central Himalayas during GVAX: association with the monsoon rainfall Current Science, 111 (1). pp. 109-116. ISSN 0011-3891

Dumka, U. C. ; Tripathi, S. N. ; Misra, Amit ; Giles, D. M. ; Eck, T. F. ; Sagar, Ram ; Holben, B. N. (2014) Latitudinal variation of aerosol properties from Indo-Gangetic Plain to central Himalayan foothills during TIGERZ campaign Journal of Geophysical Research: Atmospheres, 119 (8). pp. 4750-4769. ISSN 0148-0227

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

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

Kumar, Brajesh ; Pandey, S. B. ; Sahu, D. K. ; Vinko, J. ; Moskvitin, A. S. ; Anupama, G. C. ; Bhatt, V. K. ; Ordasi, A. ; Nagy, A. ; Sokolov, V. V. ; Sokolova, T. N. ; Komarova, V. N. ; Kumar, Brijesh ; Bose, Subhash ; Roy, Rupak ; Sagar, Ram (2013) Light curve and spectral evolution of the Type IIb supernova 2011fu Monthly Notices of the Royal Astronomical Society, 431 (1). pp. 308-321. ISSN 0035-8711

Goyal, Arti ; Mhaskey, Mukul ; Gopal-Krishna, * ; Wiita, Paul J. ; Stalin, C. S. ; Sagar, Ram (2013) On the photometric error calibration for the differential light curves of point-like active galactic nuclei Journal of Astrophysics and Astronomy, 34 (3). pp. 273-296. ISSN 0250-6335

Stepp, Larry M. ; Sagar, Ram ; Kumar, Brijesh ; Omar, Amitesh ; Pandey, A. K. ; Gilmozzi, Roberto ; Hall, Helen J. (2012) New optical telescope projects at Devasthal Observatory Proceedings of SPIE, 8444 . 8444T1, 12 pages. ISSN 0277-786X

Dumka, U. C. ; Krishna Moorthy, K. ; Tripathi, S. N. ; Hegde, P. ; Sagar, Ram (2011) Altitude variation of aerosol properties over the Himalayan range inferred from spatial measurements Journal of Atmospheric and Solar-Terrestrial Physics, 73 (13). pp. 1741-1761. ISSN 1364-6826

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

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

Kamble, Atish ; Misra, Kuntal ; Bhattacharya, D. ; Sagar, Ram (2009) Optical observations of GRB 050401 afterglow : a case for double-jet model Monthly Notices of the Royal Astronomical Society, 394 (1). pp. 214-220. ISSN 0035-8711

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

Kokatla, Hari Prasad ; Sagar, Ram ; Vankar, Yashwant D. (2008) Stereoselective synthesis of safingol and its natural stereoisomer from D-glycals Tetrahedron Letters, 49 (32). pp. 4728-4730. ISSN 0040-4039

Sharma, Saurabh ; Pandey, A. K. ; Ojha, D. K. ; Chen, W. P. ; Ghosh, S. K. ; Bhatt, B. C. ; Maheswar, G. ; Sagar, Ram (2007) Star formation in young cluster NGC 1893 Monthly Notices of the Royal Astronomical Society, 380 (3). pp. 1141-1160. ISSN 0035-8711

Sharma, Saurabh ; Pandey, A. K. ; Ojha, D. K. ; Chen, W. P. ; Ghosh, S. K. ; Bhatt, B. C. ; Maheswar, G. ; Sagar, Ram (2007) Star formation in young star cluster NGC 1893 Monthly Notices of the Royal Astronomical Society, 380 (3). pp. 1141-1160. ISSN 0035-8711

Misra, Kuntal ; Pooley, Dave ; Chandra, Poonam ; Bhattacharya, D. ; Ray, Alak K. ; Sagar, Ram ; Lewin, Walter H. G. (2007) Type IIP supernova SN 2004et: a multiwavelength study in X-ray, optical and radio Monthly Notices of the Royal Astronomical Society, 381 (1). pp. 280-292. ISSN 0035-8711

Pant, P. ; Hegde, P. ; Dumka, U. C. ; Sagar, Ram ; Satheesh, S. K. ; Krishna Moorthy, K. ; Saha, Auromeet ; Srivatsava, M. K. (2006) Aerosol characteristics at a high-altitude location in central Himalayas: optical properties and radiative forcing Journal of Geophysical Research - Atmosphere, 111 . pp. D17206_1-D17206_9. ISSN 0148-0227

Pandey, S. B. ; Sagar, Ram ; Bhattacharya, D. (2005) Optical afterglow observations of GRB 021004 and GRB 030226 American Institute of Physics Conference Proceedings, 801 . pp. 137-138. ISSN 0094-243X

Sagar, Ram ; Kumar, Brijesh ; Dumka, U. C. ; Krishna Moorthy, K. ; Pant, P. (2004) Characteristics of aerosol spectral optical depths over Manora Peak: a high-altitude station in the Central Himalayas Journal of Geophysical Research - Atmosphere, 109 . pp. D06207_1-D06207_8. ISSN 0148-0227

Yadav, R. K. S. ; Sagar, Ram (2001) Non-uniform extinction in young open star clusters Monthly Notices of the Royal Astronomical Society, 328 (2). pp. 370-380. ISSN 0035-8711

Castro Ceron, J. M. ; Castro-Tirado, A. J. ; Henden, A. ; Vrba, F. ; Fliri, J. ; Greiner, J. ; Meusinger, H. ; Klose, S. ; Mohan, V. ; Sagar, Ram ; Pandey, S. B. (2000) GRB 001105 further optical observations Proceedings: GRB Coordinates Network . p. 894.

Subramaniam, Annapurni ; Sagar, Ram (1999) Multicolor CCD photometry and stellar evolutionary analysis of NGC 1907, NGC 1912, NGC 2383, NGC 2384, and NGC 6709 using synthetic color-magnitude diagrams The Astronomical Journal, 117 (2). pp. 937-961. ISSN 0004-6256

Bhargavi, S. G. ; Cowsik, R. ; Pati, A. K. ; Sagar, Ram (1998) CCD imaging of gamma ray burster fields Bulletin of the Astronomical Society of India, 26 . pp. 597-601. ISSN 0304-9523

Gopal-Krishna, ; Sagar, Ram ; Wiita, P. J. (1995) Intra night optical variability in optically selected QSOs Monthly Notices of the Royal Astronomical Society, 274 (3). pp. 701-710. ISSN 0035-8711

Conference or Workshop Item

Pandey, S. B. ; Kumar, Brajesh ; Sahu, D. K. ; Vinko, J. ; Moskvitin, A. S. ; Anupama, G. C. ; Bhatt, V. K. ; Ordasi, A. ; Nagy, A. ; Sokolov, V. V. ; Sokolova, T. N. ; Komarova, V. N. ; Kumar, Brijesh ; Bose, Subhash ; Roy, Rupak ; Sagar, Ram (2013) Evolution of the Type IIb SN 2011fu In: Supernova Environmental Impacts Proceedings IAU Symposium No. 296, 2013.