Supernova 2001en in NGC 523

This page is devoted to information on Supernova 2001en in NGC 523 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 updates and links web pages.

Discovered by LOTOSS, BAO and Mark Armstrong. This is a nice type Ia found early in a galaxy with 3 nuclei. We have a DSS Photometry reference image made by Odd Trondal. Icon generated from the LOTOSS discovery image.

Web pages dedicated to this SN.
• AUDE has a 2001en page in French [Translate]
• Odd Troncal's 2001en 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!

Image Credit	Date	Mag	Filter	Comments
LOTOSS image	2001/09/26.5	17.5	C	Discovery
Mark Armstrong image	2001/09/29.957		C
Mike O'Connor image	2001/09/30.140		C
Odd Trondal image	2001/10/04.92	14.9	C
Claudine Rinner image	2001/10/10.930	14.9	CR
J Nicolas image	2001/10/10.938	14.2:	CR
JM Llapasset image	2001/10/11.049	14.9:	CR
Fred Ewalt image	2001/10/11.091	15.8	C
Josep M. Bosch image	2001/10/12.13	14.6	C
Paolo Corelli image	2001/10/13.926	14.5	C
Diego Rodriguez image	2001/10/14.900	14.9	C
JM Llapasset image	2001/10/17.065	15.0:	CR
Odd Trondal image	2001/10/18.893	14.8	C
Kopernik image	2001/10/19.024	15.4	C
Rafael Ferrando image	2001/10/20.856	15	CR
Josep M. Bosch image	2001/10/21.140	14.9	C
Josep M. Bosch image	2001/11/07.90	15.4	C
Josch Hambsch image	2001/11/14.951	15.8	C
JM Llapasset image	2001/11/21.832		CR

Light curves and Spectra:
• LOTOSS light curve
• CfA Spectrum taken 2001/10/11 showing a type Ia near max
• VSNET Light curve (requires JAVA).

Other VSNet data on this SN:
• [vsnet-alert 6720] SN 2001en in NGC 523
• [vsnet-alert 6774] Re: SN 2001en in NGC 523
• [vsnet-id-sn 103] Host galaxy of SN 2001en