V5584 SGR = Nova Sagittarii 2009 Number 4

Astronomy and Astrophysics – Astronomy

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Nova, V5584 Sgr, Aavso International Database

Scientific paper

V5584 Sgr = N Sgr 2009 No. 4 was discovered By: Koichi Nishiyama, Kurume, Fukuoka-ken, Japan, and F. Kabashima, Miyaki-cho, Saga-ken, Japan, on Oct. 26.439 UT (two frames from Oct. 26.439 and 26.440) at unfiltered CCD magnitude 9.3, using a 105-mm f/4 camera lens. V5584 Sgr is located at R.A. 18:31:32.79, Decl. -16:19:07.5 (equinox 2000.0), based on the discoverers' five unfiltered CCD frames taken around Oct. 26.455 UT. The object was confirmed as a classical nova through spectra obtained by K. Kinugasa, S. Honda, O. Hashimoto, H. Taguchi, and H. Takahashi, Gunma Astronomical Observatory, Japan, on Oct. 27.4 UT; by H. Maehara, Kwasan Observatory, Kyoto University, Japan, on Oct. 27.42 UT; and (reported by Maehara) by M. Fujii, Okayama, Japan, on Oct. 27.43 UT. Observations reported to the AAVSO: Oct. 27.4167 UT, 10.0 (green channel of DSLR image), R. Kaufman, Bright, Victoria, Australia; 27.7300, 9.9, R. Fidrich, Budapest, Hungary; 27.7396, 9.8, D. Vansteelant, Belgium; 27.9865, 9.78, G. Beltran, Cochabamba, Bolivia; 28.0646, 9.8, S. Aguirre, Hermosillo, Mexico; H. Maehara, Kwasan Observatory, Kyoto University (via IAU Circular 9089) - Oct. 27.460, 8.66 Ic; 27.461, 9.29 Rc; 27.461, 9.90 V; 27.463, 11.06 B. N Sgr 2009 No. 4 was originally announced in CBET 1994 (Daniel W. E. Green, Ed.) and AAVSO Special Notice #173 (E. Waagen). Additional non-AAVSO information in this Alert Notice was announced in IAU CBET No. 1995 and IAU Circular 9089 (Daniel W. E. Green, Ed.).

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