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V4745 Sgr: prediscovery detection by ASAS survey We have received the following report. The observation on Apr. 10 must have caught the object on the rise. There seems to have been a short premaxium halt, and a rise to (at least) V=7.4! From: Grzegorz Pojmanski <gp@astrouw.edu.pl> Date: Wed, 30 Apr 2003 12:52:28 +0200 (CEST) Dear Taichi Kato, ASAS has measured the following light curve of V4745 Sgr: object HJD YYYYMMDD(UT) mag inst SGRV4745 2737.85456 20030408.35456 <14.0V ASAS3V SGRV4745 2739.86553 20030410.36553 10.63V ASAS3V SGRV4745 2741.83844 20030412.33844 8.37V ASAS3V SGRV4745 2743.83514 20030414.33514 8.02V ASAS3V SGRV4745 2744.85345 20030415.35345 7.80V ASAS3V SGRV4745 2747.86327 20030418.36327 7.41V ASAS3V SGRV4745 2755.78626 20030426.28626 9.26V ASAS3V SGRV4745 2757.79449 20030428.29449 9.32V ASAS3V SGRV4745 2759.85935 20030430.35935 9.44V ASAS3V Please note, that any photometric measurement of the ASAS3V system is available over the internet within 5 minutes after observation. It takes about 1.5-2 nights to cover the whole sky, so most of the recent measurements of any object are only 0-2 days old. One can access current (and archive) photometry of any object directly from http://vsnet.astrouw.edu.pl/cgi-asas/asas_lc/ID where ID has format HHMMSS-DDNN.N HHMMSS - right ascension, [+or-]DDNN.N - declination (DD -degrees, NN.N - minutes) e.g. SGRV4745 http://vsnet.astrouw.edu.pl/cgi-asas/asas_lc/184002-3326.9 Regards, Grzegorz Pojmanski, ASAS === In VSNET format: SGRV4745 20030408.35456 <14.0V ASA SGRV4745 20030410.36553 10.63V ASA SGRV4745 20030412.33844 8.37V ASA SGRV4745 20030414.33514 8.02V ASA SGRV4745 20030415.35345 7.80V ASA SGRV4745 20030418.36327 7.41V ASA SGRV4745 20030426.28626 9.26V ASA SGRV4745 20030428.29449 9.32V ASA SGRV4745 20030430.35935 9.44V ASA [ASA = code for the ASAS survey]
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