Supernova 1999cp in NGC 5468

This page is devoted to information on Supernova 1999cp in NGC 5468 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.

1999cp is another LOSS discovery. This one snuk up on us. It was originally announced in IAUC 7205 along with 1999co in an anonymous galaxy, and the host galaxy was unnamed in the "subject" line. Also, both SN were roughly the same brightness. Thus most people who didn't read through the entire IAUC thought that this SN was just another dim one in an anonymous galaxy. This SN looks like it's peaking out at mag 14.0 making it the third brightest so far in 1999.

Web pages dedicated to this SN.

  • AUDE has a 1999cp page in French [Translate]
  • M1 Supernova Search has a 1999cp page.
  • Seiichi Yoshida's Latest Pictures of Novae and Supernovae page has a 1999cp sub 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!
    LOSS image 6/19.2/9917.2CDiscovery
    CfA Spectra 6/19/99 13:53Showing an early Type Ia
    Pedro Ré image 6/12/99 22:2215.6C
    DAX Observatory image 6/22.885/9915.5C
    Larry Robinson
    T. Martinez
    Salvo Massaro image 6/30/99 20:14CFITS version, Mirror
    KenIchi Kadota image 6/30/99 22:11 JST14.3C
    Claude BOIVIN image 7/1.125/9914.1C
    APO Image 7/1.159/99 J = 14.50 +/- 0.01,
    H = 14.77 +/- 0.02,
    K' = 14.63 +/- 0.04
    JNear IR filter
    José Manteca image 7/1/99 22:30C
    Diego Rodríguez 7/2.9/9914.6C
    Frederick M. EWALT image 7/4.122/9914.47C
    Claude BOIVIN image 7/6.125/9914.0C
    Pedro Ré image 7/6/99 21:2614.78C
    Manashtash Ridge 7/9.245/9914.20V
    Pepe Manteca image 7/10.882/99C
    Marco Migliardi image 1/6.217/0017.2C

    Light curves

  • Kevin Krisciunas light curve
  • VSNET Light curve (requires JAVA).
    If you have observations of this Supernova, please send them to Use this VSNet data query to see what information has been reported so far. Other VSNet data on this SN:
  • [vsnet-chat 2003] Host galaxy of SN1999cp
  • [vsnet-chart 172] Chart of SN1999cp
  • [vsnet-alert 3135] SN 1999cp in NGC 5468
  • [vsnet-alert 3140]
  • [vsnet-obs 21294] SN1999co and SN1999cp early photometry from IAUC
  • [vsnet-alert 3146] SN1999cp early photometry (cont'd)
  • [vsnet-alert 3152] SN1999cp rising (cont'd)
  • [vsnet-chat 2065] On the sequence of SN 1999cp
  • [vsnet-chat 2079] On the sequence of SN 1999cp
  • [vsnet-chat 2126] sn1999cp field photometry
  • [vsnet-chat 2176] SN1999cp field photometry
  • [vsnet-chat 2177] Re: SN1999cp field photometry
  • [vsnet-chat 2185] SN1999cp field photometry
  • [vsnet-chat 2186] Revised SNe sequences
  • [vsnet-chat 2190] Re: SN1999cp field photometry

    Latest Photometry:

  • [vsnet-recent 18058] SN1999cp rising (update)
  • [vsnet-recent 22634] SN1999cp recent (cont'd)
    Back to Bright Supernovae.
    Back to Bright Supernovae - 1999
    David Bishop
    Last modified: Mon Dec 11 14:43:58 EST 2000