Research Publications Based on data from Indian Astronomical Observatory: Recent submissions

  • Ferro, A. A; Giridhar, S; Lopez, V. R; Figuera, R; Bramich, D. M; Rosenzweig, P (Instituto de Astronomía, 2008-10)
    New CCD photometry of NGC 6366 has lead to the discovery of some variable stars. Two possible Anomalous Cepheids (or Pop II Cepheids), three long period variables, one SX Phe and one eclipsing binary have been found. Also, ...
  • Yadav, R. K. S; Kumar, B; Subramaniam, A; Sagar, R; Mathew, B (Royal Astronomical Society, 2008-11)
    We present UBVRI CCD photometry in the region of the open clusters NGC 637 and 957. The radii are found to be 4.2 and 4.3 arcmin. Their reddenings E(B - V) are 0.64 +/- 0.05 and 0.71 +/- 0.05 mag and their distances, from ...
  • Updike, A. C; Haislip, J. B; Nysewander, M. C; Fruchter, A. S; Kann, D. A; Klose, S; Milne, P. A; Williams, G. G; Zheng, W; Hergenrother, C. W; Prochaska, J. X; Prochaska, J. X; Mirabal, N; Thorstensen, J. R; van der Horst, A. J; Starling, R. L. C; Racusin, J. L; Burrows, D. N; Kuin, N. P. M; Roming, P. W. A; Bellm, E; Hurley, K; Li, W; Filippenko, A. V; Blake, C; Starr, D; Falco, E. E; Brown, W. R; Dai, X; Deng, J; Xin, L; Qiu, Y; Wei, J; Urata, Y; Nanni, D; Palazzi, E; Greco, G; Bartolini, C; Guarnieri, A; Piccioni, A; Pizzichini, G; Terra, F; Misra, K; Bhatt, B. C; Anupama, G. C; Fan, X; Jiang, L; Wijers, R. A. M. J; Reichart, D. E; Eid, H. A; Bryngelson, G; Puls, J; Goldthwaite, R. C; Hartmann, D. H (The American Astronomical Society, 2008-09)
    We report on multiwavelength observations, ranging from X-ray to radio wave bands, of the IPN-localized gamma-ray burst GRB 070125. Spectroscopic observations reveal the presence of absorption lines due to O I, Si II, and ...
  • Mathew, B; Subramaniam, A; Bhatt, B. C (The Royal Astronomical Society, 2008-08)
    Emission-line stars in young open clusters are identified to study their properties, as a function of age, spectral type and evolutionary state. 207 open star clusters were observed using the slitless spectroscopy method ...
  • Pandey, S. B; Anupama, G. C; Sagar, R; Bhattacharya, D; Sahu, D. K; Pandey, J. C (Royal Astronomical Society, 2003-04)
    We present the UBVRcIc broad-band optical photometry of the Type Ic supernova SN 2002ap obtained during 2002 February 6-March 23 in the early decline phases and also later on 2002 August 15. Combining these data with the ...
  • Pandey, S. B; Anupama, G. C; Sagar, R; Bhattacharya, D; Castro-Tirado, A. J; Sahu, D. K; Parihar, P. S; Prabhu, T. P (The European Southern Observatory, 2003-09)
    We determine Johnson B,V and Cousins R,I photometric CCD magnitudes for the afterglow of GRB 021211 during the first night after the GRB trigger. The afterglow was very faint and would have been probably missed if no prompt ...
  • Jade, S; Vijayan, M. S. M; Gaur, V. K; Prabhu, T. P; Sahu, S. C (Elsevier, 2005-04)
    Water vapour plays a dominant role in the high-energy thermodynamics of the atmosphere, notably, the genesis of storm systems. However, its distribution is difficult to resolve by conventional means, since water vapour ...
  • Raiteri, C. M; Villata, M; Ibrahimov, M. A; Larionov, V. M; Kadler, M; Aller, H. D; Aller, M. F; Kovalev, Y. Y; Lanteri, L; Nilsson, K; Papadakis, I. E; Pursimo, T; Romero, G. E; Teräsranta, H; Tornikoski, M; Arkharov, A. A; Barnaby, D; Berdyugin, A; Böttcher, M; Byckling, K; Carini, M. T; Carosati, D; Cellone, S. A; Ciprini, S; Combi, J. A; Crapanzano, S; Crowe, R; di Paola, A; Dolci, M; Fuhrmann, L; Gu, M; Hagen-Thorn, V. A; Hakala, P; Impellizzeri, V; Jorstad, S; Kerp, J; Kimeridze, G. N; Kovalev, Yu. A; Kraus, A; Krichbaum, T. P; Kurtanidze, O. M; Lähteenmäki, A; Lindfors, E; Mingaliev, M. G; Nesci, R; Nikolashvili, M. G; Ohlert, J; Orio, M; Ostorero, L; Pasanen, M; Pati, A. K; Poteet, C; Ros, E; Ros, J. A; Shastri, P; Sigua, L. A; Sillanpää, A; Smith, N; Takalo, L. O; Tosti, G.; Vasileva, A; Wagner, S. J; Walters, R; Webb, J. R; Wills, W; Witzel, A; Xilouris, E (EDP Sciences, 2005-07)
    A multiwavelength campaign to observe the BL Lac object AO 0235+16 (z=0.94) was set up by the Whole Earth Blazar Telescope (WEBT) collaboration during the observing seasons 2003-2004 and 2004-2005, involving radio, near-IR ...
  • Meech, K. J; Ageorges, N; A'Hearn, M. F; Arpigny, C; Ates, A; Aycock, J; Bagnulo, S; Bailey, J; Barber, R; Barrera, L; Barrena, R; Farnham, T. L; Feldman, P; Fernández, Y. R; Filipovic, M. D; Lyke, J; Fisher, S; Fitzsimmons, A; Fong, D; Fugate, R; Jones, G. H; Serra-Ricart, M; Fujiwara, H; Fujiyoshi, T; Furusho, R; Fuse, T; Gibb, E; Groussin, O; Lynch, D; Gulkis, S; Gurwell, M; Hadamcik, E; Sharp, R; Magee, S. K; Hainaut, O; Harker, D; Harrington, D; Harwit, M; Hasegawa, S; Hergenrother, C. W; Hirst, P; Ma, J; Hodapp, K; Snell, R. L; Villanueva, G; Jones, P. A; Kadono, T; Kamath, U. W; Käufl, H. U; Kasuga, T; Kawakita, H; Kelley, M. S; Kerber, F; Kidger, M; Snodgrass, C; Kinoshita, D; von Braun, K; Maheswar, G; Knight, M; Lara, L; Larson, S. M; Lederer, S; Lee, C. F; Levasseur-Regourd, A. C; Li, J. Y; Blake, G; Li, Q. S; Licandro, J; Vora, P; Bauer, J. M; Manfroid, J; Marco, O; Martin, P; Melnick, G; Miller, S; Miyata, T; Stallard, T; Moriarty-Schieven, G. H; Moskovitz, N; Mueller, B. E. A; Wainscoat, R. J; Mumma, M. J; Belton, M. J. S; Muneer, S; Neufeld, D. A; Ootsubo, T; Osip, D; Stecklein, G; Pandea, S. K; Pantin, E; Paterno-Mahler, R; Patten, B; Walsh, K; Penprase, B. E; Peck, A; Bensch, F; Petitpas, G; Pinilla-Alonso, N; Sterken, C; Pittichova, J; Pompei, E; Prabhu, T. P; Qi, C; Rao, R; Watanabe, J; Rauer, H; Reitsema, H; Rodgers, S. D; Bhattacharya, B; Stüwe, J. A; Rodriguez, P; Ruane, R; Ruch, G; Rujopakarn, W; Sahu, D. K; Sako, S; Weaver, H. A; Sakon, I; Samarasinha, N; Sarkissian, J. M; Weiler, M; Saviane, I; Biver, N; Schirmer, M; Schultz, P; Schulz, R; Seitzer, P; Sekiguchi, T; Weaver, W; Selman, F; Honda, M; Sugita, S; Sumner, M; Suntzeff, N; Swaters, R; Takakuwa, S; Takato, N; Bockelée-Morvan, D; Thomas-Osip, J; Thompson, E; Tokunaga, A. T; Howell, E. S; Bonev, B. P; Tozzi, G. P; Tran, H; Troy, M; Trujillo, C; Van Cleve, J; Vasundhara, R; Vazquez, R; Boehnhardt, H; Vilas, F; Hutsemékers, D; Lin, Z. Y; Weissman, P. R; Welsh, W. F; Wilner, D; Wolk, S; Womack, M; Wooden, D; Woodney, L. M; Woodward, C; Wu, Z. Y; Iono, D; Wu, J. H; Lisse, C. M; Bonev, T; Yamashita, T; Yang, B; Yang, Y. B; Yokogawa, S; Zook, A. C; Zauderer, A; Zhao, X; Ip, W. H; Zhou, X; Zucconi, J. M; LoCurto, G; Buie, M. W; Burton, M. G; Butner, H. M; Cabanac, R; Campbell, R; Campins, H; Capria, M. T; Jackson, W; Carroll, T; Chaffee, F; Charnley, S. B; Lovell, A. J; Cleis, R; Coates, A; Cochran, A; Colom, P; Conrad, A; Coulson, I. M; Jehin, E; Crovisier, J; deBuizer, J; Dekany, R; de Léon, J; Lowry, S. C; Dello Russo, N; Delsanti, A; DiSanti, M; Drummond, J; Dundon, L; Jiang, Z. J; Etzel, P. B (Science, 2005-10)
    On 4 July 2005, many observatories around the world and in space observed the collision of Deep Impact with comet 9P/Tempel 1 or its aftermath. This was an unprecedented coordinated observational campaign. These data show ...
  • Eyres, S. P. S; Rushton, M; O'Brien, T. J; Beswick, R; Muxlow, T. W. B; Davis, R; Anupama, G. C; Kantharia, N. G; Bode, M; Gawroñski, M. P; Feiler, R; Evans, A (Astronomical Society of a Pacific, 2009-01)
    We report GHz observations beginning 4.5 days after the discovery of RS Ophiuchi undergoing its 2006 recurrent nova outburst. Observations over the first 60 days are included, enabling us to follow spectral development ...
  • Carraro, G; Subramaniam, A; Janes, K. A (Royal Astronomical Society, 2006-09)
    In this paper, we present the first BV I CCD photometry of six overlooked old open clusters (Berkeley 44, NGC 6827, Berkeley 52, Berkeley 56, Skiff 1 and Berkeley 5) and derive estimates of their fundamental parameters by ...
  • Ananthasubramanian, P. G; Yamamoto, S; Prabhu, T. P (Kluwer Academic Publishers., 2002-02)
    We present 220 GHz (1.36 mm) measurements of zenith optical depth obtained to characterise the Indian Astronomical Observatory, Hanle (Ladakh, India) during the period from late December 1999 to early May 2000 and early ...
  • Anupama, G. C; Sahu, D. K (Astronomical Society of India, 2002-09)
  • Sahu, D. K; Tanaka, M; Anupama, G. C; Kawabata, K. S; Maeda, K; Tominaga, N; Nomoto, K; Mazzali, P. A; Prabhu, T. P (The American Astronomical Society, 2008-06-10)
    UBVRI photometry and medium-resolution optical spectroscopy of the peculiar Type Ia supernova SN 2005hk are presented and analyzed, covering the premaximum phase to around 400 days after explosion. The supernova is found ...
  • Jose, J; Pandey, A. K; Ojha, D. K; Ogura, K; Chen, W. P; Bhatt, B. C; Ghosh, S. K; Mito, H; Maheswar, G; Sharma, S (Blackwell Publishing, 2008-03)
    We present UBVIc CCD photometry of the young open cluster Stock 8 with the aim of studying its basic properties such as the amount of interstellar extinction, distance, age, stellar contents and initial mass function (IMF). ...
  • Parihar, P. S; Sahu, D. K; Bhatt, B. C; Subramaniam, A; Anupama, G. C; Prabhu, T. P (Astronomical Society of India, 2003)
    We present the estimates of the night sky extinction at the Indian Astronomical Observatory. Also presented are the estimates of the night sky brightness. The extinction in the U band at IAO is found to be lower than the ...
  • Pandey, S. B; Sahu, D. K; Anupama, G. C; Bhattacharya, D; Sagar, R (Astronomical Society of India, 2003)
    The supernova SN 2002ap was discovered in the outer regions of the nearby spiral M74 on January 29.4 UT. Early photometric and spectroscopic observations indicate the supernova belongs to the class of Ic hypernova. Late ...
  • Cowsik, R; Srinivasan, R; Prabhu, T. P (Astronomical Society of India, 2002)
    Situated in the high-altitude cold desert of Changthang Ladakh bordering Himachal Pradesh and Tibet, Indian Astronomical Observatory, Hanle (32o46m46sN, 78o57'51''E; 4500 m above msl), provides excellent opportunities for ...
  • Pandey, S. B; Sahu, D. K; Resmi, L; Sagar, R; Anupama, G. C; Bhattacharya, D; Mohan, V; Prabhu, T. P; Bhatt, B. C; Pandey, J. C; Parihar, P. S; Castro-Tirado, A. J (Astronomical Society of India, 2003)
    The CCD magnitudes in Johnson B,V and Cousins R and I photometric passbands are determined for the bright long duration GRB 021004 afterglow from 2002 October 4 to 16 starting ~ 3 hours after the γ - ray burst. Light curves ...
  • Ananthasubramanian, P. G; Yamamoto, S; Prabhu, T. P (Astronomical Society of India, 2001)
    In this poster presentation, we describe the working principle, data acquisition method and data reduction scheme of a 220 GHz tipping radiometer. We also present the preliminary 220 GHz zenith optical depth results at Mt. ...

Search DSpace


Browse

My Account