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Browsing by Author "Brosch, N"

Browsing by Author "Brosch, N"

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  • Opto-mechanical assembly and ground calibration of LUCI 
    Mathew, J; Nair, B. G; Sriram, S; Kamath, P. U; Prakash, A; Mayuresh, Sarpotdar; Ambily, S; Nirmal, K; Sreejith, A. G; Safonova, M; Murthy, J; Brosch, N (SPIE--The International Society for Optical Engineering, 2018-08-20)
    The Lunar Ultraviolet Cosmic Imager (LUCI) is an innovative all-spherical mirrors telescope, proposed to fly as a scientific UV imaging payload on a lunar mission in collaboration with Indian Aerospace Company-TeamIndus, ...
  • Photometric identification of objects from Galaxy Evolution Explorer Survey and Sloan Digital Sky Survey 
    Preethi, K; Gudennavar, S. B; Bubbly, S. G; Murthy, J; Brosch, N (Oxford University Press on behalf of the Royal Astronomical Society, 2014-01-01)
    We have used Galaxy Evolution Explorer (GALEX) and Sloan Digital Sky Survey (SDSS) observations to extract seven band photometric magnitudes for over 80 000 objects in the vicinity of the North Galactic Pole. Although these ...
  • Prospect for UV observations from the Moon 
    Safonova, M; Mathew, J; Mohan, Rekhesh; Sreejith, A. G; Murthy, J; Brosch, N; Kappelmann, N; Sharma, A; Narayan, R (Springer, 2014-10)
    Space astronomy in the last 40 years has largely been done from spacecraft in low Earth orbit (LEO) for which the technology is proven and delivery mechanisms are readily available. However, new opportunities are arising ...
  • Prospect for UV observations from the Moon. II. Instrumental design of an ultraviolet imager LUCI 
    Mathew, J; Prakash, A; Mayuresh, Sarpotdar; Sreejith, A. G; Nirmal, K; Ambily, S; Safonova, M; Murthy, J; Brosch, N (Springer, 2017-02)
    We present a design for a near-ultraviolet (NUV) imaging instrument which may be flown on a range of available platforms, including high-altitude balloons, nanosatellites, or space missions. Although all current UV space ...
  • Results from the worldwide coma morphology campaign for comet ISON (C/2012 S1) 
    Samarasinha, N. H; Mueller, B. E. A; Knight, M. M; Farnham, T. L; Briol, J; Brosch, N; Caruso, J; Gao, X; Gomez, E; Lister, T; Hergenrother, C; Hoban, S; Prouty, R; Holloway, M; Howes, N; Guido, E; Hui, M. T; Jones, J. H; Penland, T. B; Thomas, S. R; Wyrosdick, J; Kiselev, N; Ivanova, A. V; Kaye, T (Elsevier B.V, 2015-12-01)
    We present the results of a global coma morphology campaign for comet C/2012 S1 (ISON), which was organized to involve both professional and amateur observers. In response to the campaign, many hundreds of images, from ...
  • Search for low-mass objects in the globular cluster M4. I. detection of variable stars 
    Safonova, M; Mkrtichian, D; Hasan, P; Sutaria, F. K; Brosch, N; Gorbikov, E; Joseph, P (IOP Publishing, 2016-02)
    With every new discovery of an extrasolar planet, the absence of planets in globular clusters ( GCs ) becomes more and more conspicuous. Null detection of transiting hot Jupiters in GCs 47 Tuc, ω Cen, and NGC 6397 ...
  • Stardust-NExT, Deep Impact, and the accelerating spin of 9P/Tempel 1 
    Belton, M. J. S; Meech, K. J; Chesley, S; PittichovĆ, J; Carcich, B; Drahus, M; Harris, A; Gillam, S; Veverka, J; Mastrodemos, N; Owen, W; A’Hearn, M. F; Bagnulo, S; Bai, J; Barrera, L; Bastien, F; Bauer, J. M; Bedient, J; Bhatt, B. C; Boehnhardt, H; Brosch, N; Buie, M; Candia, P; Chen, W; Chiang, P; Choi, Y; Cochran, A; Crockett, C. J; Duddy, S; Farnham, T; Fernández, Y. R; Gutiérrez, P; Hainaut, O. R; Hampton, D; Herrmann, K. A; Hsieh, H; Kadooka, M. A; Kaluna, H; Keane, J; Kim, M; Klaasen, K; Kleyna, J; Krisciunas, K; Lara, L. M; Lauer, T. R; Li, J; Licandro, J; Lisse, C. M; Lowry, S. C; McFadden, L; Moskovitz, N; Mueller, B; Polishook, D; Raja, N. S; Riesen, T; Sahu, D. K; Samarasinha, N; Sarid, G; Sekiguchi, T; Sonnett, S; Suntzeff, N. B; Taylor, B. W; Thomas, P; Tozzi, G. P; Vasundhara, R; Vincent, J; Wasserman, L. H; Webster-Schultz, B; Yang, B; Zenn, T; Zhao, H (Elsevier B.V., 2011-05)
    The evolution of the spin rate of Comet 9P/Tempel 1 through two perihelion passages (in 2000 and 2005) is determined from 1922 Earth-based observations taken over a period of 13 year as part of a World-Wide observing ...
  • TAUVEX: status in 2011 
    Brosch, N; Murthy, J (Springer, 2011-09)
    We present a short history of the TAUVEX instrument, conceived to provide multi-band wide-field imaging in the ultraviolet, emphasizing the lack of sufficient and aggressive support on the part of the different space ...
  • Ultraviolet astronomy with small space telescopes 
    Brosch, N; Gomez De Castro, Ana; Murthy, J; Ribak, E; Behar, E; Balabanov, V (Astronomical Institute of the Slovak Academy of Sciences, 2017-08)
    After describing the present situation with astronomy in the ultraviolet (UV), reviewing a few past and proposed future missions, we present options to develop space missions that have been realized for modest costs. In ...
  • Wide-field ultraviolet imager for astronomical transient studies 
    Mathew, J; Ambily, S; Prakash, A; Mayuresh, Sarpotdar; Nirmal, K; Sreejith, A. G; Safonova, M; Murthy, J; Brosch, N (Springer, 2018-04)
    Though the ultraviolet (UV) domain plays a vital role in the studies of astronomical transient events, the UV time-domain sky remains largely unexplored. We have designed a wide-field UV imager that can be flown on a range ...

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