Browsing by Title

Sort by: Order: Results:

  • The VMC survey – XIII. type II cepheids in the large magellanic cloud 
    Ripepi, V; Moretti, M. I; Marconi, M; Clementini, G; Cioni, M. -R. L; de Grijs, R; Emerson, J. P; Groenewegen, M. A. T; Ivanov, V. D; Muraveva, T; Piatti, A. E; Subramanian, S (Oxford University Press on behalf of the Royal Astronomical Society, 2015-01-21)
    The VISTA (Visible and Infrared Survey Telescope for Astronomy) survey of the Magellanic Clouds System (VMC) is collecting deep Ks-band time-series photometry of the pulsating variable stars hosted in the system formed by ...
  • The VMC survey – XIV. first results on the look-back time star formation rate tomography of the small magellanic cloud 
    Rubele, S; Girardi, L; Kerber, L; Cioni, Maria-Rosa. L; Piatti, A. E; Zaggia, S; Bekki, K; Bressan, A; Clementini, G; de Grijs, R; Emerson, J. P; Groenewegen, M. A. T; Ivanov, V. D; Marconi, M; Marigo, P; Moretti, Maria-Ida; Ripepi, V; Subramanian, S; Tatton, B. L; Van Loon, J. T (Oxford University Press on behalf of the Royal Astronomical Society, 2015-05-01)
    We analyse deep images from the VISTA survey of the Magellanic Clouds in the YJKs filters, covering 14 deg2 (10 tiles), split into 120 subregions, and comprising the main body and Wing of the Small Magellanic Cloud (SMC). ...
  • The VMC Survey – XL. three-dimensional structure of the small magellanic cloud as derived from red clump stars 
    Tatton, B. L; van Loon, J. Th; Cioni, M.-R. L; Bekki, K; Bell, C. P. M; Choudhury, S; de Grijs, R; Groenewegen, M. A. T; Ivanov, V. D; Marconi, M; Oliveira, J. M; Ripepi, V; Rubele, S; Subramanian, S; Sun, N.-C (Oxford University Press on behalf of the Royal Astronomical Society, 2021-06)
    Galaxy interactions distort the distribution of baryonic matter and can affect star formation. The nearby Magellanic Clouds are a prime example of an ongoing galaxy interaction process. Here, we use the intermediate-age ...
  • The VMC survey – XLI. Stellar proper motions within the small magellanic cloud 
    Niederhofer, Florian; Cioni, Maria-Rosa L; Rubele, Stefano; Schmidt, Thomas; Diaz, Jonathan D; Matijevic, Gal; Bekki, Kenji; Bell, C. P. M; de Grijs, Richard; Youssoufi, Dalal El; Ivanov, Valentin D; Oliveira, Joana M; Ripepi, Vincenzo; Subramanian, S; Sun, Ning-Chen; van Loon, Jacco Th (Oxford University Press on behalf of the Royal Astronomical Society, 2021-04)
    We used data from the near-infrared Visible and Infrared Telescope for Astronomy (VISTA) survey of the Magellanic Cloud system (VMC) to measure proper motions (PMs) of stars within the Small Magellanic Cloud (SMC). The ...
  • The VMC Survey – XLII. near-infrared period–luminosity relations for RR Lyrae stars and the structure of the large magellanic cloud 
    Cusano, F; Moretti, M. I; Clementini, G; Ripepi, V; Marconi, M; Cioni, M.-R. L; Rubele, S; Garofalo, A; de Grijs, R; Groenewegen, M. A. T; Oliveira, J. M; Subramanian, S; Sun, N.-C; van Loon, J. Th (Oxford University Press on behalf of the Royal Astronomical Society, 2021-06)
    We present results from an analysis of ∼29 000 RR Lyrae stars located in the Large Magellanic Cloud (LMC). For these objects, near-infrared time-series photometry from the VISTA survey of the Magellanic Clouds system (VMC) ...
  • The VMC survey – XLIV: mapping metallicity trends in the large magellanic cloud using near-infrared passbands 
    Choudhury, Samyaday; Grijs, Richard de; Bekki, Kenji; Cioni, Maria-Rosa L.; Ivanov, Valentin D.; Loon, Jacco Th. van; Miller, Amy E.; Niederhofer, Florian; Oliveira, Joana M.; Ripepi, Vincenzo; Sun, Ning-Chen; Subramanian, S (Oxford University Press on behalf of Royal Astronomical Society, 2021-11)
    We have derived high-spatial-resolution metallicity maps covering ∼105 deg2 across the Large Magellanic Cloud (LMC) using near-infrared passbands from the VISTA Survey of the Magellanic Clouds. We attempt to understand ...
  • The VMC survey – XLVI. Stellar proper motions in the centre of the Large Magellanic Cloud 
    Niederhofer, Florian; Cioni, Maria-Rosa L; Schmidt, Thomas; Bekki, Kenji; de Grijs, Richard; Ivanov, Valentin D; Oliveira, Joana M; Ripepi, Vincenzo; Subramanian, S; van Loon, Jacco Th (Oxford University Press on behalf of Royal Astronomical Society, 2022-06)
    We present proper motion (PM) measurements within the central region of the Large Magellanic Cloud (LMC), using nearinfrared data from the VISTA survey of the Magellanic Cloud system (VMC). This work encompasses 18 VMC ...
  • The VMC survey – XXXIV. Morphology of stellar populations in the Magellanic Clouds 
    Youssouf, Dalal El; Cioni, Maria-Rosa L; Bell, Cameron P. M; Rubele, Stefano; Bekki, Kenji; Grijs, Richard de; Girardi, Leo; Ivanov, Valentin D; Matijevic, Gal; Niederhofer, Florian; Oliveira, Joana M; Ripepi, Vincenzo; Subramanian, S; van Loon, Jacco Th (Oxford University Press on behalf of the Royal Astronomical Society, 2019-11)
    The Magellanic Clouds are nearby dwarf irregular galaxies whose morphologies show different properties when traced by different stellar populations, making them an important laboratory for studying galaxy morphologies. We ...
  • The VMC Survey. XXIX. Turbulence-controlled Hierarchical Star Formation in the Small Magellanic Cloud 
    Sun, N; de Grijs, R; Cioni, M. L; Rubele, S; Subramanian, S; van Loon, J. T; Bekki, K; Bell, C. P. M; Ivanov, V. D; Marconi, M; Muraveva, T; Oliveira, J. M; Ripepi, V (IOP Publishing, 2018-05-03)
    In this paper we report a clustering analysis of upper main-sequence stars in the Small Magellanic Cloud, using data from the VMC survey (the VISTA near-infrared YJK s survey of the Magellanic system). Young stellar ...
  • Voyager Observations of the Diffuse Far-ultraviolet Radiation Field 
    Murthy, J; Conn Henry, R; Holberg, Jay B (IOP Publishing, 2012-03)
    The two Voyager spacecraft have completed their planetary exploration mission and are now probing the outer realms of the heliosphere. The Voyager ultraviolet spectrometers continued to operate well after the Voyager 2 ...
  • VRI photometry of LMC SN 1987A 
    Rangarajan, K. E; Jayakumar, K; Appakutty, M; Sheriff, H. D (Konkoly Observatory, 1987-07)
  • VRI Photometry of M67 for CCD Standardization at 2.3m VBT 
    Bhat, P. N; Singh, K. P; Prabhu, T. P; Kembhavi, A. K (Indian Academy of Sciences, 1992)
    We present the results from CCD photometry in the V, R and I bands, of the ‘Dipper Asterism’ region of the open cluster Μ67 based on observations carried out at the prime focus of the 2.3 m Vainu Bappu Telescope of the ...
  • W. M. Keck observatory instrumentation status and future direction 
    Kassis, Marc; Allen, Steven L; Alverez, Carlos; Baker, Ashley; Banyal, Ravinder K; Bertz, Robert; Beichman, Charles; Brown, Aaron; Brown, Matthew; Bundy, Kevin; Cabak, Gerald; Cetre, Sylvain; Chin, Jason; Chun, Mark R; Cooke, Jeff; Delorme, Jacques; Deich, William; Dekany, Richard G; Devenot, Mark; Doppmann, Greg; Edelstein, Jerry; Fitzgerald, Michael P; Fucik, Jason R; Gao, Maodong; Gibson, Steve; Gillingham, Peter R; Gomez, Percy; Gottschalk, Colby; Halverson, Sam; Hill, Grant; Hinz, Philip; Holden, Bradford P; Howard, Andrew W; Jones, Tucker; Jovanovic, Nemanja; Kirby, Evan; Krishnan, Shanti; Kupke, Renate; Lanclos, Kyle; Larkin, James E; Leifer, Stephanie D; Lewis, Hilton A; Lilley, Scott; Lu, Jessica R; Lyke, James E; MacDonald, Nicholas; Martin, Christopher; Mather, John; Matuszewski, Mateusz; Mawet, Dimitri; McCarney, Ben; McGurk, Rosalie; Marin, Eduardo; Millar-Blanchaer, Maxwell A; Nance, Craig; Nash, Reston B; Neill, James D; O'Meara, John M; Peretz, Eliad; Poppett, Claire; Konopacky, Quinn; Radovan, Matthew V; Ragland, Sam; Rider, Kodi; Roberts, Mitsuko; Rockosi, Constance; Rubenzahl, Ryan; Sallum, Stephanie; Sandford, Dale; Savage, Maureen; Simha, Sunil; Skemer, Andy J; Steidel, Charles C; Stelter, Richard D; Surendran, Avinash; Walawender, Josh; Westfall, Kyle B; Wizinowich, Peter; Wright, Shelley; Yeh, Sherry (Wiley-VCH GmbH, 2023-10)
    Since the start of science operations in 1993, the twin 10-m W. M. Keck Observatory (WMKO) telescopes have continued to maximize their scientific impact and to produce transformative discoveries that keep the observing ...
  • W. S. Jacob (1813 - 1862) 
    Indian Institute of Astrophysics (Indian Institute of Astrophysics, 2006)
  • The wandering pole 
    Hart, Henry (Astronomical Society of India, 1913-03)
  • WARM Telescope control system (white light active region monitor Coelostat – KODAIKANAL) 
    Thulasidharen K. C (Indian Institute of Astrophysics, 2010)
    A three axis control system for WARM telescope is developed. A four axis motion controller next move PCI from Balder Electric Company is used for controlling the three axes. The control code is developed in MINT V5 Software ...
  • Warp of the Galactic Disk as seen in Mid Infrared from Midcourse Space Experiment 
    Vig, S; Ghosh, S. K; Ojha, D. K (Astronomical Society of India, 2003)
    The nature of the warp structure in the distribution of stellar as well as warm interstellar dust (WISD) components in the Galactic disk has been investigated using respective mid infrared emissions. Such a study with high ...
  • Water vapour characteristics and radiative effects at high-altitude Himalayan sites 
    Dumka, U. C; Kaskaoutis, D. G; Khatri, Pradeep; Shantikumar, N. S; Sheoran, Rahul; Jade, Sridevi; Shrungeshwara, T. S; Rupakheti, Maheswar (Elsevier B.V., 2022-02)
    We analyze long-term aerosol and precipitable water vapour (PWV) properties at two high-altitude sites (Nainital and Hanle) over the central Himalayan and western Trans-Himalayan region from 2008 to 2018. First-time ...
  • Wave leakage in a magnetized isothermal atmosphere 
    Banerjee, D; Hasan, S. S; Christensen-Dalsgaard, J (Astronomical Society of India, 1996)
    The present investigation is a continuation of earlier work by Hasan & christensen-Dalsgaard (1992) and Banerjee, Hasan & Christensen-Dalsgaard(1995), where the interaction of various elementary modes in a stratified ...
  • Wave propagation and energy transport in the magnetic network of the Sun 
    Vigeesh, G; Hasan, S. S; Steiner, O (European Southern Observatory, 2009-12)
    Aims. We investigate wave propagation and energy transport in magnetic elements, which are representatives of small scale magnetic flux concentrations in the magnetic network on the Sun. This is a continuation of earlier ...

Search DSpace

Browse

My Account