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This page is devoted to information on Supernova 1999ac in NGC 6063. 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.
1999 just keeps getting better and better. 1999ac was discovered by the KAIT team at Lick Observatory. It was first reported in IAUC 7114.
Web pages dedicated to this SN.
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.
If you know of any others,
please tell me!
| Observer | Date | Mag | Filter | Comments |
|---|---|---|---|---|
| KAIT | 2/26.5/99 | 15.2 | CCD | Discovery |
| Larry Robinson | 2/28.9/99 | CCD | ||
| K. SАrneczky | 2/28/99 02:40 UT | CCD | ||
| Salvo Massaro | 3/1/99 03:59 UT | CCD | FITS Version | |
| DAX Observatory | 3/1/99 23:01:25 UT | CCD | ||
|
KenIchi Kadota Seiichi Yoshida |
3/4/99 02:22:25 JST | 15.7 | CCD | |
| Kereszty Zsolt | 3/13/99 00:08 UT | 14.2 | CCD | |
| Marko Moilanen | 3/14/99 1.06 UT | CCD | ||
| Robin CHASSAGNE | 3/16/99 4:28 UT | 13.62 | CCD | |
| D. Rodreguez | 3/19/99 | 14.5 | C | |
| LАszlС L. Kiss | 3/19/99 23:38 UT | C | ||
| J. M. Bosch | 3/21/99 | |||
| S. Moretti image | 3/21/99 | C | Marked as "1999ad" | |
|
KenIchi Kadota Seiichi Yoshida |
3/23/99 04:05:39 JST | 14.9 | C | |
|
KenIchi Kadota Seiichi Yoshida |
4/1/99 03:03:37 JST | 15.5 | C | |
|
KenIchi Kadota Seiichi Yoshida |
4/5/99 03:00:31 JST | 15.5 | C | |
| Pedro RИ | 4/6/99 01:06 UT | 15.45 | C | |
|
KenIchi Kadota Seiichi Yoshida |
4/9/99 01:34:55 JST | 16.0 | C | |
| Mobberley | 4/9.94/99 | C | ||
|
KenIchi Kadota Seiichi Yoshida |
4/14/99 02:19:47 JST | 15.8 | C | |
|
KenIchi Kadota Seiichi Yoshida |
4/15/99 01:16:35 JST | 16.0 | C | |
| Rafael Ferrando image | 4/17/99 | 15.65 | C | |
| APO image | 4/17/99 8:07 UT | 15.94 | C | |
| LАszlС L. Kiss | 4/22.972/99 | 16.1 | C | |
|
Juan GonГalves JoЦo Porto |
4/25/99 01:40 | 16.5 | C | |
|
Juan GonГalves JoЦo Porto |
5/14.13/99 | 16.45 | C | |
| Pedro RИ image | 5/24/99 23:12 UT | 15.66 | C | |
| Pedro RИ image | 6/4/99 0:03 UT | C | ||
| Kopernik image | 6/12/99 6:04 UT | C |
Light curves and Spectra:
From [vsnet-alert 2721] SN 1999ac in NGC 6063
Dear SN watchers,
Another bright SN has been discovered by KAIT team. According to IAUC 7114, SN 1999ac was discovered on Feb. 26.5, and its location is R.A. = 16h07m15s.01, Decl. = +7o58'20".4 (2000.0), which is about 24" east and 30" south from the nucleus of the host Sc galaxy NGC 6063. There is some question between the coordinate and the offset (in declination), but it should be safe to say that this SN appears on the south-east edge of the spiral disk.
Reported magnitudes are; 19980721.2 >190C KAIT 19990220.5 >175C KAIT 19990226.5 152C KAIT 19990227.5 150C KAIT , which indicate that this SN would be on brightening phase.The spectroscopy has not reported. If it is of typical type Ia SN, its peak magnitude would be around 14.5. Further monitoring is greatly encouraged.
SN1999ac early photometry
object YYMMDD(UT) mag code SN1999ac 19980721.2 >190C KAI SN1999ac 19990220.5 >175C KAI SN1999ac 19990226.5 152C KAI SN1999ac 19990227.5 150C KAISincerely Yours,
