[vsnet-chat 8808] ZTF18acullhv: possible AM CVn star

ZTF18acullhv: possible AM CVn star

According to ZTF data, this object showed complex outbursts similar to AM CVn-type superoutbursts.

064321.2 -234008 (2000.0) Gaia_DR2_2925381050846472192 group_C4 g=16.742(0.543) Mowlavi2020 064321.279 -234008.94 (2000.0) Gaia_DR2_2925381050846472064 plx=-(-) dismod=- pmra=-(-) pmdec=-(-) G=16.742 BP=16.680 RP=16.692 064321.280 -234008.96 (2000.0) Gaia_EDR3_2925381050848348288 plx=1.868(0.088) dismod=8.6 pmra=17.795(0.054) pmdec=-33.375(0.077) G=18.596 BP=18.550 RP=18.445

Blue and low-luminosity (M_V = +6.3 at max), consistent with the AM CVn-type classification. This object is bright (15 mag at max) and further observations to search for superhumps and spectroscopy are desirable.