Supernova 2000bg in NGC 6240

This page is devoted to information on Supernova 2000bg in NGC 6240 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page. Information on the original web pages for many of these images can be found on the Supernova links web page.

sn00bg_i.gif Another LOSS discovery. This one is a very oddly shaped galaxy almost on the equator. This was later discovered to be a Type IIn supernova. Icon generated from LOSS discovery image. Odd Trondal made a Photometry reference image.

Just as this SN was starting to fade out, NRAO announced a Possible Radio Supernova in NGC 6240 which appeared at roughly the same time as Supernova 2000bg, but at a different location in NGC 6240

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 4/1.5/0017.4CDiscovery
Yasuo Sano image 4/4.697/00C mirror
U of Iowa image UndatedCanimated gif
Johannes Walter image 4/7/00C
Rok Palcic image 4/27.066/00C
J.Porto and
J. Goncalves image
Odd Trondal image 5/3.989/0017.0:C
Fred Ewalt image 5/26.181/0015.5C Position of possible Radio Sn noted
Larry Robinson image 5/29.2/00C
Larry Robinson image 6/7/00C

Light curves and Spectra:

  • NGSS spectrum
  • 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 2781] Host galaxy of SN2000bg
  • [vsnet-alert 4561] KAIT SN in NGC 6240
    Back to Bright Supernovae.
    Back to Bright Supernovae - 2000
    David Bishop
    Last modified: Thu Dec 6 15:45:16 EST 2001