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  • Breaking the Habit: The Peculiar 2016 Eruption of the Unique Recurrent Nova M31N 2008-12a 
    Henze, M; Darnley, M. J; Williams, S. C; Kato, M; Hachisu, I; Anupama, G. C; Arai, A; Boyd, D; Burke, D; Ciardullo, R; Chinetti, K; Cook, L. M; Cook, M. J; Erdman, P; Gao, X; Harris, B; Hartmann, D. H; Hornoch, K; Chuck Horst, J; Hounsel, R; Husar, D; Itagaki, K; Kabashima, F; Kafka, S; Kaur, A; Kiyota, S; Kojiguchi, N; Kučáková, H; Kuramoto, K; Maehara, H; Mantero, A; Masci, F. J; Matsumoto, K; Naito, H; Ness, J. U; Nishiyama, K; Oksanen, A; Osborne, J. P; Page, K. L; Paunzen, E; Pavana, M; Pickard, R; Prieto-Arranz, J; Rodríguez-Gil, P; Sala, G; Sano, Y; Shafter, A. W; Sugiura, Y; Tan, H; Tordai, T; Vraštil, J; Wagner, R. M; Watanabe, F; Williams, B. F; Bode, M. F; Bruno, A; Buchheim, B; Crawford, T; Goff, B; Hernanz, M; Igarashi, A. S; José, J; Motta, M; O’Brien, T. J; Oswalt, T; Poyner, G; Ribeiro, V. A. R. M; Sabo, R; Shara, M.M; Shears, J; Starkey, D; Starrfield, S; Woodward, C. E (IOP Publishing, 2018-04-10)
    which is the most promising candidate for the single-degenerate progenitor of a Type Ia supernova known to date. The previous three eruptions of M31N 2008-12a have displayed remarkably homogeneous multiwavelength properties: ...
  • Breaking the habit: the peculiar 2016 eruption of the unique recurrent nova M31N 2008-12a 
    Henze, M; Darnley, M. J; Williams, S. C; Kato, M M; Hachisu, I; Anupama, G. C; Arai, A; Boyd, D; Burke, D; Ciardullo, R; Chinetti, K; Cook, L. M; Cook, M. J; Erdman, P; Gao, X; Harris, B; Hartmann, D. H; Hornoch, K; Chuck Horst, J; Hounsel, R; Husar, D; Itagaki, K; Kabashima, F; Kafka, S; Kaur, A; Kiyota, S; Kojiguchi, N; Kucakova, H; Kuramoto, K; Maehara, H; Mantero, A; Masci, F. J; Matsumoto, K; Naito, H; Ness, J.-U; Nishiyama, K; Oksanen, A; Osborne, J. P; Page, K. L; Paunzen, E; Pavana, M; Pickard, R; Prieto-Arranz, J; Rodri­guez-Gil, P; Sala, G; Sano, Y; Shafter, A. W; Sugiura, Y; Tan, H; Tordai, T; Vrastil, J; 22 others (IOP Publishing, 2018-04-10)
    Since its discovery in 2008, the Andromeda galaxy nova M31N 2008-12a has been observed in eruption every single year. This unprecedented frequency indicates an extreme object, with a massive white dwarf and a high accretion ...
  • Breaking up of a comet by Jupiter 
    Kameswara Rao, N; Mayya, Y. D; Reddy, B. E; Prabhu, T. P (Astronomical Society of India, 1993-09)
  • Breaks in the X-ray spectra of high-redshift blazars and the intervening medium 
    Gaur, Haritma; Mohan, Prashanth; Pandey, Ashwani (IOP Publishing, 2021-06-10)
    Flat-spectrum radio quasars (FSRQs) are a subclass of blazars characterized by prominent optical emission lines and a collimated large-scale jet along the observer's line of sight. An X-ray spectral flattening has been ...
  • Bridging between Type IIb and Ib Supernovae: SN IIb 2022crv with a Very Thin Hydrogen Envelope 
    Gangopadhyay, Anjasha; Maeda, Keiichi; Singh, Avinash; Nayana, A. J; Nakaoka, Tatsuya; Kawabata, Koji S; Taguchi, Kenta; Singh, Mridweeka; Chandra, Poonam; Ryder, Stuart D; Dastidar, Raya; Yamanaka, Masayuki; Kawabata, Miho; Alsaberi, Rami Z. E; Dukiya, Naveen; Teja, Rishabh Singh; Ailawadhi, Bhavya; Dutta, Anirban; Sahu, D. K; Moriya, Takashi J; Misra, Kuntal; Tanaka, Masaomi; Chevalier, Roger; Tominaga, Nozomu; Uno, Kohki; Imazawa, Ryo; Hamada, Taisei; Hori, Tomoya; Isogai, Keisuke (American Astronomical Society, 2023-11-10)
    We present optical, near-infrared, and radio observations of supernova (SN) SN IIb 2022crv. We show that it retained a very thin H envelope and transitioned from an SN IIb to an SN Ib; prominent Hα seen in the pre-maximum ...
  • A Brief History of Dark Energy 
    Sivaram, C (Springer, 2009-01)
    Gurzadyan-Xue Dark Energy was derived in 1986 (twenty years before the paper of Gurzadyan-Xue). The paper by the present author, titled The Planck Length as a Cosmological Constant, published in Astrophysics Space Science, ...
  • Brief Report on the 13th International Cosmic Ray Conference 
    Apparao, M. V. K (Astronomical Society of India, 1973-12)
  • Brief Report on the 13th International Cosmic Ray Conference, Denver, Colorado, August 17-30, 1973 
    Narlikar, J. V (Astronomical Society of India, 1973-09)
  • A brief report on the Infrared Telescope at Gurushikhar, MT Abu 
    Deshpande, M. R (Astronomical Society of India, 1995)
  • Bright comets in 2013 
    Kapoor, R. C (2013)
  • Bright points in G-Band and Ca IIH images from hinode 
    Pradeep Chitta, L; Kariyappa, R (Springer, 2010)
    We analyze a time sequence simultaneous G-band and Ca IIH images taken with Hinode/SOT on 14 April 2007 during 17:00-18:00UT. In each sequence, we selected 20 bright points and derived their light curves. Power-spectrum ...
  • The bright points in the Ca II K-line and their relation to the inner network magnetic structures 
    Sivaraman, K. R (Springer-Verlag, 1991)
    We present observational evidence to show that the K/sub2v points bear a one to one correspondence with the inner network magnetic elements when the quiet sun is viewed under good spatial resolution. This would ...
  • Bright-rimmed clouds and Young Stellar Objects in IC 1396 
    Choudhury, R; Bhatt, H. C (Astronomical Society of India, 2010)
    Spectroscopic observations of Young Stellar Objects (YSOs) in IC 1396 are presented. It is found that there is a systematic variation, as a function of position, in W). (Ha) of the YSOs in/around SFO 38 e.g YSOs close ...
  • Brightness temperature and size of the quiet Sun at 34.5 MHz 
    Subramanian, K. R (EDP Sciences, 2004-10)
    We present observations of the quiet Sun made at 34.5 MHz during the solar minimum period June-July 1986 and May-June 1987 with the Gauribidanur radio telescope and a grating array. The brightness temperature of the quiet ...
  • Brightness, polarization and electron density of the solar corona of 1980 February 16 
    Sivaraman, K. R; Jayachandran, M; Scaria, K. K; Babu, G. S. D; Bagare, S. P; Jayarajan, A. P (Indian Academy of Sciences, 1984-06)
    During the eclipse of 1980 February 16 the authors photographed the solar corona at an effective wavelength of 6300 Å. Using a quadruple camera coronal pictures were obtained in polarized light for four polaroid orientations. ...
  • A brilliant daylight comet observed at Kodaikanal 
    Chidambara Ayyar, P. R (Government Observatory, Madras, 1928-01-07)
  • The brilliant solar flare of 1949 January 23 and the great magnetic storm of January 24 - 26 
    Das, A. K; Rao, K. S. R (The Observatory, 1949-08)
  • Broad band photometry of solar corona 1995 
    Aleem, P. S. M; Sundararaman, K (Astronomical Society of India, 1998)
  • Broad Band Photometry of Solar Corona during the Total Solar Eclipse of October 24, 1995 
    Bagare, S. P; Aleem, P. S. M; Singh, J; Saxena, A. K (Indian Institute of Astrophysics, Bangalore, 1997)
    A 30 cm coelostat, a red broad band filter, and a 15 cm objective providing an f/15 beam were used to obtain high resolution picture is recorded with its top around 2Ro, in the near north polar region. The nearest YOHKOH ...
  • Broad Band Photometry of the Solar Corona of 1983, June 11 
    Sivaraman, K. R; Singh, J; Kapoor, R. C; Kariyappa, R (Indian Institute of Astrophysics, Bangalore, 1985-11)
    The solar corona was photographed at an effective wavelength of 6300A during the total eclipse of 1983, June 11 at Indonesia. From the isophotes of the corona, the intensity distributions along the equator, poles, streamers ...

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