[vsnet-alert 19120] Re: ASASSN-15qd

[Hiroyuki Maehara]

 According to V- and Ic-band photometric data from the Kamogata-Kiso-Kyoto
Wide-field Survey (KWS; f.l.=105mm lens + SBIG ST-8XME CCD; 18"/pixel) 
database, ASASSN-15qd was at Ic=10.2 on 2015-09-29.45. However nothing 
is visible on the V-band images taken at the same time. The V-I color 
index (~4.5) suggests that the object is likely a heavily reddened nova
rather than a dwarf nova. 
Spectroscopic observations are urgently needed.

Recent V- and Ic-band data from the KWS database are as follows:

object      date(UT)       mag.     code  err.
ASASSN-15qd 20150904.51360 <12.0Ic   KW2   --
ASASSN-15qd 20150904.51362 <13.2V    KW2   --
ASASSN-15qd 20150904.51396 <11.9Ic   KW2   --
ASASSN-15qd 20150904.51398 <13.2V    KW2   --
ASASSN-15qd 20150910.47486 <12.2Ic   KW2   --
ASASSN-15qd 20150910.47523 <12.0Ic   KW2   --
ASASSN-15qd 20150910.49574 <11.9Ic   KW2   --
ASASSN-15qd 20150910.49576 <13.5V    KW2   --
ASASSN-15qd 20150910.49580 <13.2B    KW2   --
ASASSN-15qd 20150910.49612 <12.0Ic   KW2   --
ASASSN-15qd 20150910.49615 <13.5V    KW2   --
ASASSN-15qd 20150910.49617 <13.4B    KW2   --
ASASSN-15qd 20150911.45351 <12.1Ic   KW2   --
ASASSN-15qd 20150911.45387 <12.0Ic   KW2   --
ASASSN-15qd 20150911.47338 <12.2Ic   KW2   --
ASASSN-15qd 20150911.47341 <13.3V    KW2   --
ASASSN-15qd 20150911.47374 <12.1Ic   KW2   --
ASASSN-15qd 20150911.47377 <13.2V    KW2   --
ASASSN-15qd 20150913.45610 <12.2Ic   KW2   --
ASASSN-15qd 20150913.45646 <12.1Ic   KW2   --
ASASSN-15qd 20150913.47609 <12.1Ic   KW2   --
ASASSN-15qd 20150913.47611 <13.5V    KW2   --
ASASSN-15qd 20150913.47645 <12.1Ic   KW2   --
ASASSN-15qd 20150913.47647 <13.5V    KW2   --
ASASSN-15qd 20150918.43468 <12.1Ic   KW2   --
ASASSN-15qd 20150918.43503 <12.1Ic   KW2   --
ASASSN-15qd 20150918.45432 <12.0Ic   KW2   --
ASASSN-15qd 20150918.45434 <13.4V    KW2   --
ASASSN-15qd 20150918.45468 <12.1Ic   KW2   --
ASASSN-15qd 20150918.45470 <13.4V    KW2   --
ASASSN-15qd 20150921.45150 <11.9Ic   KW2   --
ASASSN-15qd 20150921.45206 <11.9Ic   KW2   --
ASASSN-15qd 20150929.45059 10.164Ic  KW2   0.093
ASASSN-15qd 20150929.45061 <13.1V    KW2   --
ASASSN-15qd 20150929.45095 10.244Ic  KW2   0.100
ASASSN-15qd 20150929.45097 <13.1V    KW2   --
ASASSN-15qd 20151002.43528 10.383Ic  KW2   0.098
ASASSN-15qd 20151002.43563 10.575Ic  KW2   0.116
ASASSN-15qd 20151005.42833 10.950Ic  KW2   0.156
ASASSN-15qd 20151005.42836 <13.3V    KW2   --
ASASSN-15qd 20151005.42869 10.786Ic  KW2   0.135
ASASSN-15qd 20151005.42872 <13.3V    KW2   --

Best regards,
Hiroyuki Maehara


> -----Original Message-----
> From: vsnet-alert [mailto:vsnet-alert-bounces at ooruri.kusastro.kyoto-u.ac.jp] On Behalf Of Taichi Kato
> Sent: Friday, October 2, 2015 2:43 PM
> To: variable_star_forum at yahoogroups.com; vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp; vsnet-alert at yahoogroups.com;
> vsnet-campaign-dn at ooruri.kusastro.kyoto-u.ac.jp; vsnet-newvar at ooruri.kusastro.kyoto-u.ac.jp;
> vsnet-newvar at yahoogroups.com; vsnet-outburst at ooruri.kusastro.kyoto-u.ac.jp; vsnet-outburst at yahoogroups.com
> Subject: [vsnet-alert 19106] ASASSN-15qd
> 
> ASASSN-15qd
> 
> ASASSN-15qd 	--- 	------- 	19:21:50.08 	15:9:25 	2015-10-1.29 	15.13 	SDSS 	DSS
> 	VIZIER 	------- 	bright, large amplitude CV candidate, very close to the Galactic plane, no SDSS or Vizier
> match, V>17.2 on 2015-09-12.34, V=14.7 on 2015-09-29.30, V=15.2 on 2015-10-01.289
> 
> ASASSN-15qd 20150912.34 <172V ASN
> ASASSN-15qd 20150929.30 147V ASN
> ASASSN-15qd 20151001.289 152V ASN