[vsnet-alert 18228] ASASSN-15bu: likely eclipsing SU UMa-type

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Mon Jan 26 12:29:43 JST 2015


ASASSN-15bu: likely eclipsing SU UMa-type

   The CRTS observations can be expressed by the
following ephemeris:

Min(BJD) = 2455129.74331(6) + 0.07681907(3) E

Phase plot:
http://www.kusastro.kyoto-u.ac.jp/~tkato/tmp/15bucrts.png

   Although the amplitude is small, the object is likely
an eclipsing SU UMa-type dwarf nova.

ASASSN-15bu 	--- 	------- 	2:54:43.68 	22:44:2.7 	2015-01-22.27 	15.66 	SDSS 	DSS 	VIZIER 	------- 	CV candidate, Matches to B=17.2 source and GALEX, possible eclipses in CRTS, V>17.5 on 2015-01-20.28, V=15.8 on 2015-01-22.28

ASASSN-15bu 20150120.28 <175V ASN
ASASSN-15bu 20150122.28 158V ASN


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