[vsnet-newvar 7905] SDSS J143017.22-024034.1 outburst?

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Thu Jan 7 09:38:11 JST 2021


SDSS J143017.22-024034.1 outburst?

http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia21ack/
Gaia21ack	AT2021jp	2021-01-04 10:13:31	217.57175	-2.67624	17.98	19.09	0.03	unknown	2021-01-06 09:08:02	White dwarf-main sequence binary brightens by 1 mag

   Outburst from a detached system?  Or something else?
Spectroscopy would be interesting.

143017.2 -024034 (2000.0) SDSS_J143017.22-024034.1 DA+dMe g=19.48 
143017.219 -024034.42 (2000.0) Gaia_DR2_3649335030243877760 plx=2.436(0.359) dismod=8.1 pmra=-3.330(0.613) pmdec=-10.512(0.584) G=19.068 BP=19.438 RP=18.261
143017.218 -024034.43 (2000.0) Gaia_EDR3_3649335030243877760 plx=2.382(0.278) dismod=8.1 pmra=-3.139(0.375) pmdec=-10.615(0.407) G=19.042 BP=19.560 RP=18.289
143017.240 -024034.60 (2000.0) GALEX_DR5_2936595584308485032 NUV=20.596(0.059) FUV=22.544(0.174)



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