[vsnet-newvar 7912] TCP J09370380+1657350

[Kojiguchi Naoto]

TCP J09370380+1657350

     Large outburst amplitude of 7 mag. According to CRTS data, this object has shown an outburst in 2006. According to CRTS data and Pan-STARRS data,  the 2006 outburst showed a fading tail with a duration longer than 2700 days. Possible WZ Sge-type object.

TOCP:
http://www.cbat.eps.harvard.edu/unconf/followups/J09370380+1657350.html

TCP J09370380+1657350   2021 01 07.7850*  09 37 03.80 +16 57 35.0  14.5 U             Leo       9 0

2021 01 07.7850
Discovered by Yuji Nakamura, Kameyama, Mie, Japan, on four frames (30-s exp. limiting mag 16.0) taken by 10cm/F3.0 refractor and CMOS camera. Nothing is visible at this location on a frame taken on 2020 Dec. 26.6818 UT (30-s exp. limiting mag 15.5) by same instrument.

ASASSN Sky Patrol:
https://asas-sn.osu.edu/light_curves/0587a5b4-bc8c-4b73-a0fb-9bfa076eb086

IDs:
093703.829 +165735.852 (2000.0) GALEXJ093703.8+165735 FUV=20.3971(0.2935) NUV=20.6457(0.2485)
093703.714 +165735.478 (2000.0) PS1_128351442654772378 g=21.1604(0.0458) r=21.0651(0.0566) i=21.5086(0.0797)
093703.711 +165735.536 (2000.0) SDSSJ093703.71+165735.5  obsdate=2005.1889 u=19.356(0.661) g=19.970(0.542) r=17.661(0.101) i=17.905(0.187) z=25.038(7.456)
093703.707 +165735.687 (2000.0) SDSSJ093703.70+165735.6 obsdate=2005.1890 u=21.762(0.145) g=21.866(0.072) r=21.518(0.075) i=21.904(0.143) z=22.822(0.562)

2006:
TCPJ09370380+1657350 20060225.232 22.650C CRT
TCPJ09370380+1657350 20060326.171 13.560C CRT
TCPJ09370380+1657350 20060419.147 16.180C CRT
TCPJ09370380+1657350 20060520.188 19.030C CRT

2021:
TCPJ09370380+1657350 20201226.6818 <155C (Yuji Nakamura)
TCPJ09370380+1657350 20210106.357 <16.530g ASN
TCPJ09370380+1657350 20210107.184 14.705g ASN
TCPJ09370380+1657350 20210107.7850 14.5C (Yuji Nakamura)

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