Supernova 1999gd in NGC 2623

This page is devoted to information on Supernova 1999gd in NGC 2623 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.

This is yet another LOSS discovery, the 33rd of the year. Supernova 1999gd is of the bright type Ia type, and is a tidal tail in the interacting host galaxy.

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!
Discovery image 11/24.5/9917.8CDiscovery
Arno van Werven image 11/30.338/99C
Arno van Werven image 12/2.302/99C
Rafael Ferrando image 12/4.076/9916.6C
Odd Trondal image 12/5.125/9916.6C
Pedro Ré image 12/6.958/9916.6C
Arno van Werven image 12/7.349/99C
Ca' Bionda Observatory 12/7.8/99C
Arno van Werven image 12/9.303/99C
Nyrölä observatory image 12/8.035/99C
Arno van Werven image 12/27.269/99C
K. Sárneczky, L. Kiss
K. Sziládi image
Arno van Werven image 12/31.265/99C
Arno van Werven image 1/7.303/00C
Arno van Werven image 1/27.290/00C

Light curves and Spectra:

  • 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 2423] Host galaxy of SN1999gd

    Latest Photometry:

  • [vsnet-recent 44174] SN1999gd recent (cont'd)
    Back to Bright Supernovae.
    Back to Bright Supernovae - 1999.
    David Bishop
    Last modified: Mon May 15 12:37:19 EDT 2000