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[vsnet-obs 39944] V4641 Sgr Observations May 22nd 2002
- Date: Wed, 22 May 2002 22:08:36 +0800
- To: "'vsnet-obs@kusastro.kyoto-u.ac.jp'" <vsnet-obs@kusastro.kyoto-u.ac.jp>
- From: "Pearce, Andrew A." <Andrew.Pearce@woodside.com.au>
- Subject: [vsnet-obs 39944] V4641 Sgr Observations May 22nd 2002
- Cc: "'aavso@aavso.org'" <aavso@aavso.org>
- Delivered-To: vsnet-obs@kusastro.kyoto-u.ac.jp
- Sender: owner-vsnet-obs@ooruri.kusastro.kyoto-u.ac.jp
V4641 Sgr is certainly an interesting object to follow at the moment. I
confirm Mike Linnolt's observations of short term variability as detailed in
the observations made below:
May 22nd
Time (UT) Mag
13:30:30 12.1
13:31:30 12.0
13:32:30 12.4
13:33:30 12.2
13:34:30 12.3
13:35:30 12.7
13:36:30 12.1
13:37:30 11.7 (Noticeable brightening)
13:38:30 12.0
13:39:30 12.2
13:40:30 12.2
13:41:30 12.2
13:42:30 12.1
13:43:30 12.0
13:44:30 12.0
13:45:30 12.1
Timings accurate to the nearest 5s. AAVSO preliminary chart used for
comparison star mags apart from the star GSC 6848 3606. A magnitude of 11.6
was used as per the old VSNET chart for V4641 Sgr.
Observations in VSNET format:
object YYMMDD(UT) mag code remarks
SGRV4641 020522.5628 121 Pea.RASNZ
SGRV4641 020522.5635 120 Pea.RASNZ
SGRV4641 020522.5642 124 Pea.RASNZ
SGRV4641 020522.5649 122 Pea.RASNZ
SGRV4641 020522.5656 123 Pea.RASNZ
SGRV4641 020522.5663 127 Pea.RASNZ
SGRV4641 020522.5670 121 Pea.RASNZ
SGRV4641 020522.5677 117 Pea.RASNZ
SGRV4641 020522.5684 120 Pea.RASNZ
SGRV4641 020522.5691 122 Pea.RASNZ
SGRV4641 020522.5698 122 Pea.RASNZ
SGRV4641 020522.5705 122 Pea.RASNZ
SGRV4641 020522.5712 121 Pea.RASNZ
SGRV4641 020522.5719 120 Pea.RASNZ
SGRV4641 020522.5726 120 Pea.RASNZ
SGRV4641 020522.5733 121 Pea.RASNZ
Regards
Andrew Pearce
Western Australia
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