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Supernova 1999gq in NGC 4523

Supernova 1999gq in NGC 4523

This page is devoted to information on Supernova 1999gq in NGC 4523 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main supernova page. Information on the original web pages for many of these images can be found on the Supernova links web page.

sn99gq.gif Normally I wait until I have more images of an SN to start a sub-page, however the data on this one is mounting up quickly. This SN is much brighter than the other two SN which LOSS reported in IAUC 7337, however, this is a morning object, not an evening one, thus there aren't as many pictures of it. NGC 4523 at Mag 14.4 is a very diffuse Virgo cluster galaxy in Coma. The SN at it's brightest is almost as bright as it is, and this is a Type II, which tend to be dim. Amateur Mark Armstrong (UK) independantly discovered this SN.

Web pages dedicated to this SN.

  • AUDE has a 1999gq page in French [Translate]
  • Seiichi Yoshida has a 1999gq page

    The following is a list of images of this SN, in chronological order. Click on the name in the "observer" column to see the image. Times and dates are in UT unless otherwise noted. If you know of any others, please tell me!
    ObserverDateMagFilterComments
    LOSS image 12/23.6/9914.5CDiscovery
    Arno van Werven image 12/25.376/99C
    U of Iowa image UndatedCanimated gif
    KenIchi Kadota image 12/26/99 04:21 JST15.1C
    Rok Palcic image 12/31/99CMarked as sn99gp, mirror
    K. SАrneczky, L. Kiss
    K. SzilАdi image         		1/1.177/0014.5C
    S. Moretti image 1/3.1/00C
    Marko Moilanen
    Arto Oksanen image         		1/9.111/00C
    JM Llapasset image 1/11.143/00C
    KenIchi Kadota image 1/29/00 04:49 JST15.0C
    Odd Trondal image 2/1.140/0014.8C
    R Poncy image 4/4.954/00C

    Light curves and Spectra:

  • CfA Spectrum 12/10/99, showing an early type II.
  • VSNET Light curve (requires JAVA).
    If you have observations of this Supernova, please send them to vsnet-obs@kusastro.kyoto-u.ac.jp. Use this VSNet data query to see what information has been reported so far. Other VSNet data on this SN:
  • [vsnet-alert 3851] (fwd) 3 KAIT new SNe
  • [vsnet-alert 3852] Re: SN1999XXX in NGC 4523
  • [vsnet-alert 3853] Re: SN1999XXX in NGC 4523
  • [vsnet-chat 2483] Host galaxy of SN1999XXX (NGC 4523)
  • [vsnet-chart 246] Chart of SN in NGC4523
  • [vsnet-chat 2484] (fwd) Re: [vsnet-alert 3852] Re: SN1999XXX in NGC 4523
  • [vsnet-alert 3862] Spectroscopy of SN 1999gq
  • [vsnet-alert 3863] SNe 1999go, 1999gp and 1999gq

    Latest Photometry:

  • [vsnet-recent 48580] SN1999gq recent (cont'd)
  • [vsnet-recent 51166] SN1999gq recent (cont'd)
  • [vsnet-recent 52605] SN1999gq recent (cont'd)
    Back to Bright Supernovae.
    David Bishop
    Last modified: Fri Jul 28 09:46:20 EDT 2000