[vsnet-alert 23732] ATO J061.1478-31.0634 = Gaia19fes: bright dwarf nova

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Fri Nov 22 09:53:03 JST 2019


ATO J061.1478-31.0634 = Gaia19fes: bright dwarf nova

http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia19fes/

Gaia19fes	AT2019vil	2019-11-20 04:38:37	61.14784	-31.06340	13.02	14.48	0.05	unknown	2019-11-21 11:31:06	Bright Gaia source brightens by ~1.5 mags and gets bluer

IDs:
GSC7030.663 040435.48 -310349.0 (2000.0) 15.38 0
GSC7030.663 040435.52 -310348.5 (2000.0) 14.86 0
USNO0525.01162890 040435.494 -310349.07 (2000.0) 13.8 14.9
2MASS 040435.470 -310348.66 (2000.0) 13.351 13.019 12.923 
040435.4 -310348 (2000.0) ATOJ061.1478-31.0634 IRR c=14.627 o=14.285 P(LS)=0.122714 rms=0.05 
040435.482 -310348.38 (2000.0) Gaia_DR2_4883986502614113664 plx=2.050(0.024) dismod=8.4 pmra=5.014(0.036) pmdec=17.527(0.049) G=14.443 BP=14.763 RP=13.950
040435.473 -310349.03 (2000.0) GALEX_DR5_6381576715792027160 NUV=17.548(0.029) FUV=18.852(0.081)

Possible X-ray IDs:
040436.6 -310253 (2000.0) 2RXP_J040436.7-310254 0.0322 0.44 0.28 920826
040434.6 -310258 (2000.0) 1RXPJ040434-3102.9 0.0387 0.00 0.00
040432.4 -310242 (2000.0) 1WGAJ0404.5-3102 0.0370 3.01 1.06 1.00 0.43 obs=1992.239

   An outburst reaching V=11.7 was recorded by ASAS-3
on 2006 Mar. 22.

ASAS-SN data:
https://asas-sn.osu.edu/light_curves/dc077b96-d70b-49b6-b597-f16cdf86b636

   SS Cyg-type outburst peaking around Nov. 18.



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