ASASSN-22nj

This outburst started on 2022 Oct. 26. 6 mag blue (g-r ~ -0.2) outburst. The fading rate is 0.16 mag. A possible counterpart is a red source (g-r ~ 1.3) near the Galactic plane ((l, b) = (203.64415979, 13.77921032)). Possible WZ Sge star or MisV1448-like object.

ASASSN-22nj  -- ------- 7:24:47.76 14:21:56.7 2022-10-30.29 14.95 SDSS DSS VIZIER -------  CV candidate, matches to PS1 g=20.6, g>18.0 on 2022-10-26.33, g=14.7 on 2022-10-27.30, g=15.3 on 2022-10-30.29, g=15.4 on 2022-10-31.28

072447.714 +142156.957 Gaia_DR2_3166729483840162560 Plx=0.9417(0.4148) dismod=10.1 pmRA=1.092(0.714) pmDE=2.319(0.735) G=19.3379(0.0042) BP-RP=1.757 E(g-r)=0.090 E(B-V)=0.080 Ag=0.317 Ar=0.236 Ai=0.177 072447.713 +142156.907 Gaia_EDR3_3166729483840162560 Plx=1.1043(0.3517) dismod=9.8 PM=3.236 pmRA=0.331(0.376) pmDE=3.219(0.294) G=19.290237(0.004648) BP-RP=1.986935 E(g-r)=0.090 E(B-V)=0.080 Ag=0.317 Ar=0.236 Ai=0.177 072447.714 +142156.955 PS1_DR1_125231111988249485 g=20.6029(0.0192) r=19.3689(0.0089) i=18.7082(0.0096) z=18.417(0.0189) y=18.2375(0.021) 072447.717 +142156.976 PS1_DR2_125231111988249485 g=20.6037(0.018622) r=19.3338(0.00514) i=18.7018(0.004726) z=18.4009(0.005881) y=18.1924(0.01298) 072447.71 +142156.9 SDSSJ072447.71+142156.9 ObsDate=2007.1412 u=24.113(0.961) g=20.817(0.029) r=19.367(0.014) i=18.758(0.011) z=18.296(0.022)

ZTF alert https://fink-portal.org/ZTF22abqohdk https://lasair.roe.ac.uk/object/ZTF22abqohdk https://alerce.online/object/ZTF22abqohdk https://mars.lco.global/?objectId=ZTF22abqohdk

MPChecker NO DATA

20221024.557 20.127cy ATF 20221026.338 <17.134g ASN 20221026.339 <17.105g ASN 20221026.340 <17.112g ASN 20221026.425 19.812zg ZAL 20221026.501 18.642zr ZAL 20221027.305 14.640g ASN 20221027.307 14.656g ASN 20221027.342 15.012cy ATF 20221027.345 14.972cy ATF 20221027.362 14.949cy ATF 20221027.366 14.947cy ATF 20221028.434 14.678zg ZAL 20221028.501 14.881zr ZAL 20221029.035 14.918o ATF 20221029.043 15.383o ATF 20221029.054 15.475o ATF 20221030.290 15.182g ASN 20221030.292 15.231g ASN 20221030.293 15.132g ASN 20221030.579 15.695o ATF 20221030.583 15.709o ATF 20221030.592 15.399cy ATF 20221030.594 15.425cy ATF 20221030.597 15.447cy ATF 20221030.597 15.692o ATF 20221030.602 15.710o ATF 20221030.619 15.424cy ATF 20221031.284 15.364g ASN 20221031.285 15.401g ASN 20221031.286 15.395g ASN 20221031.451 15.538zr ZAL 20221031.487 15.353zg ZAL 20221031.576 15.818o ATF 20221031.579 15.850o ATF 20221031.582 15.912o ATF 20221031.591 15.848o ATF 20221101.441 15.466g ASN 20221101.442 15.575g ASN 20221101.443 15.580g ASN 20221101.611 16.027o ATF 20221101.618 15.993o ATF 20221101.645 15.997o ATF 20221101.648 15.970o ATF 20221102.436 15.717g ASN 20221102.438 15.747g ASN 20221102.439 15.742g ASN 20221102.573 15.881cy ATF 20221102.576 15.891cy ATF 20221102.580 15.905cy ATF

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))