[vsnet-alert 25983] TCP J00505588+3558559

[Naoto Kojiguchi]

TCP J00505588+3558559

     Large outburst amplitudes of 7.7 mag. Possible WZ Sge-type object.

TCP J00505588+3558559   2021 06 17.7089*  00 50 55.88 +35 58 55.9  13.0 U             And       9 0

2021 06 17.709
Discovered by Hideo Nishimura, Kakegawa, Shizuoka-ken, Japan, who found this star on three frames with 20-s exposure (limit mag.= 14.7) using Canon EOS 6D digital camera + 200-mm f/3.2 lens, who writes there is a faint star (mag.= 20.4) at this location on DSS.

IDs:
005055.882 +355855.556 Gaia_DR2_364101145234878464 Plx=0.8913(0.7987) pmRA=0.287(1.092) pmDE=4.526(0.983) G=20.2072(0.0066) BP-RP=0.2419
005055.881 +355855.548 Gaia_EDR3_364101145234878464 Plx=1.1214(0.5478) PM=5.197 pmRA=1.158(0.487) pmDE=5.066(0.390) G=20.181713(0.005896) BP-RP=0.367578
005055.881 +355855.747 GALEX_J005055.8+355855 FUV=20.5162(0.2620) NUV=20.6709(0.1284)
005055.882 +355855.621 PS1_151170127328559133 g=20.2557(0.0224) r=20.3042(0.0297) i=20.4343(0.0613) z=20.2320(0.0584) y=20.2783(0.1234)
005055.884 +355855.592 SDSS_J005055.88+355855.5 u=20.211(0.074) g=20.185(0.021) r=20.129(0.036) i=20.312(0.062) z=20.261(0.205)

ASASSN Sky patrol:
https://asas-sn.osu.edu/sky-patrol/coordinate/aa7f192d-a8cc-4e83-8622-f0b7ac336157

TCPJ00505588+3558559 20210611.555 <17.127g ASN
TCPJ00505588+3558559 20210613.556 12.607g ASN
TCPJ00505588+3558559 20210613.588 12.717cy (ATLAS Forced Photometry)
TCPJ00505588+3558559 20210617.553 12.988g ASN
TCPJ00505588+3558559 20210617.7089 13.0C (Hideo Nishimura)