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From: starrfie@hydro.la.asu.edu (Sumner Starrfield) Subject: [cv] HST observations of IP Peg outburst (fwd) Date: Mon, 24 May 93 13:00:48 MST Forwarded message: >From robinson@astro.psu.edu Mon May 24 12:59:45 1993 Date: Mon, 24 May 93 15:46:13 EDT Message-ID: <vsnet-history1033@hoge.baba.hajime.jp> To: mwex@astro.astro.psu.edu Subject: [cv] HST observations of IP Peg outburst From: SZKODY@phast.phys.washington.edu Reply-To: SZKODY@phast.phys.washington.edu Sender: robinson@astro.psu.edu [Posted to: the MultiWaveLink targets of opportunity mailing list] HST will be observing the eclipses of the dwarf nova IP Peg from May 27 to May 30 UT (nights of May 26/27 to 29/30) during its current outburst (the AAVSO reports that it is now at magnitude 12.3). Optical observations of the eclipses throughout this week and next are needed to follow the eclipse changes during the decline from outburst. High speed photometry is most desirable, but CCD photometry or spectra would also be useful. Due to its placement in the sky (RA =23 23 08.7; Dec = +18 24 58.5 epoch = 2000), IP Peg is only accessible for a short time at the end of the night. A finding chart is in the Downes and Shara atlas (PASP 105, 127, 1993). The eclipse times may be calculated from: eclipse = 2445615.4156 + 0.15820616E. The HST observations of IP Peg will take place at the following times: note that day 147 is may 27 UT. 147:08:57:26 - 147:09:44:11 147:20:12:06 - 147:20:58:51 148:07:26:46 - 148:08:13:31 150:01:12:35 - 150:01:59:20 For any further information, please contact: Paula Szkody (szkody@phast.phys.washington.edu") or Keith Horne (horne@stsci.edu")
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