[vsnet-campaign-dn 15511] ASASSN-21er

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Fri Apr 2 09:57:11 JST 2021


ASASSN-21er

ASASSN-21er 	--- 	------- 	8:39:56.34 	22:53:25.2 	2021-04-1.25 	12.95 	SDSS 	DSS 	VIZIER 	------- 	CV candidate, matches to SDSS g=17.9, g>18.0 on 2021-03-31.20, g=13.2 on 2021-04-01.25.

ASASSN-21er 20210331.20 <180g ASN
ASASSN-21er 20210401.25 132g ASN

The suggested counterpart doesn't look like a CV
(faint in SDSS u).

2MASS 083956.342 +225326.66 (2000.0) 15.445 14.864 14.821 
083956.337 +225326.72 (2000.0) Gaia_DR2_666117065033532672 plx=0.802(0.104) dismod=10.5 pmra=-2.445(0.214) pmdec=2.717(0.114) G=17.006 BP=17.588 RP=16.289
083956.337 +225326.72 (2000.0) Gaia_EDR3_666117065033532672 plx=0.821(0.077) dismod=10.4 pmra=-2.487(0.074) pmdec=2.639(0.058) G=16.987 BP=17.574 RP=16.278

This one looks more promising.

083956.440 +225324.60 (2000.0) Gaia_DR2_666117065031798784 plx=-(-) dismod=- pmra=-(-) pmdec=-(-) G=21.085 BP=- RP=-
083956.440 +225324.61 (2000.0) Gaia_EDR3_666117065031798784 plx=-(-) dismod=- pmra=-(-) pmdec=-(-) G=20.917 BP=21.299 RP=20.230

u=21.34, g=21.35, r=21.49, i=22.26, z=21.73

   Large outburst amplitude.  Fresh outburst.



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