ASASSN-22ng

Large outburst amplitude of 6 mag. Possible WZ Sge-type dwarf nova.

ASASSN-22ng  -- ------- 20:36:49.34 -21:25:56.3 2022-10-30.12 14.95 SDSS DSS VIZIER -------  CV candidate, matches to PS1 g=21.3, g>18.0 on 2022-10-29.13, g=15.2 on 2022-10-30.12

203649.231 -212556.999 PS1_DR1_82283092051261352 g=21.2999(0.0278) r=21.3767(0.0387) i=21.4027(0.0428) z=20.4041(0.2201) y=--(--)

ZTF alert https://fink-portal.org/ZTF22abrrxsd https://lasair.roe.ac.uk/object/ZTF22abrrxsd https://alerce.online/object/ZTF22abrrxsd https://mars.lco.global/?objectId=ZTF22abrrxsd

MPChecker NO DATA

20221029.062 20.061cy ATF 20221029.065 20.297cy ATF 20221029.137 <16.944g ASN 20221029.138 <17.086g ASN 20221029.139 <17.196g ASN 20221030.023 16.489o ATF 20221030.026 16.438o ATF 20221030.036 16.324o ATF 20221030.125 15.280g ASN 20221030.126 15.159g ASN 20221030.127 15.141zg ZAL 20221030.128 15.142g ASN

ATF (ATLAS Forced Photometry (Tonry et al. 2018)) ASN (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) ZAL (Zwicky Transient Facility ALeRCE (Masci+ 2019; Forster, F. 2021))