November 2022 - vsnet-newvar - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-newvar 9510] ASASSN-20bc: UGSU:+E
by Taichi Kato 15 Nov '22

15 Nov '22

ASASSN-20bc: UGSU:+E From ZTF data. Eclipsing with Porb=0.0602790(1) d.

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[vsnet-newvar 9509] ASASSN-19bl possible superoutburst
by Taichi Kato 15 Nov '22

15 Nov '22

ASASSN-19bl possible superoutburst First known outburst since 2019. Possible precursor in 2019 according to ZTF data. YYYYMMDD(UT) mag observer 20221111.3978 17.288zg (ZTF Alert DC mag (Masci+ 2019)) 20221112.3575 16.341zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-newvar 9508] SDSS J090113.51+144704.6: Z Cam
by Taichi Kato 14 Nov '22

14 Nov '22

SDSS J090113.51+144704.6: Z Cam From ZTF data. Dwarf nova state in late 2020-early 2021.

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[vsnet-newvar 9507] SDSS J094558.24+292253.2: Porb
by Taichi Kato 14 Nov '22

14 Nov '22

SDSS J094558.24+292253.2: Porb From ZTF data. Porb=0.2467188(9) d. Double-wave large-amplitude peaks (full amplitude of 0.4 mag). Depths of minima differ and the half period is unlikely. Slightly eclipsing? M_V suggests a quiescent dwarf nova with a low Mdot.

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[vsnet-newvar 9506] SDSS J115836.60+035547.3: VY Scl
by Taichi Kato 14 Nov '22

14 Nov '22

SDSS J115836.60+035547.3: VY Scl From ZTF data. Deep low state in late 2019-early 2020.

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[vsnet-newvar 9505] ASASSN-22nj: updated superhump period
by Taichi Kato 14 Nov '22

14 Nov '22

ASASSN-22nj: updated superhump period Kyoto U. team and Itoh-san reported further observations. The updated superhump period is 0.05391(3) d, one of the shortest among hydrogen-rich systems.

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[vsnet-newvar 9504] MGAB-V3479 likely superoutburst
by Taichi Kato 14 Nov '22

14 Nov '22

MGAB-V3479 likely superoutburst Type from ZTF data. Supercycle about 350 d. YYYYMMDD(UT) mag observer 20221111.3104 16.660zr (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-newvar 9503] CRTS J223233.7+185036 relatively rare outburst
by Taichi Kato 14 Nov '22

14 Nov '22

CRTS J223233.7+185036 relatively rare outburst YYYYMMDD(UT) mag observer 20221111.1643 17.003zr (ZTF Alert DC mag (Masci+ 2019)) 20221111.2250 16.365zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-newvar 9502] ATLAS17ftx possible superoutburst
by Taichi Kato 14 Nov '22

14 Nov '22

ATLAS17ftx possible superoutburst Suspected type from ZTF data. Supercycle 450-630 d (SW UMa-like). YYYYMMDD(UT) mag observer 20220825.6984 <169C (Masayuki Moriyama) 20221111.1795 15.580zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-newvar 9501] AT 2022zxb = ZTF22abteqxm
by Naoto Kojiguchi 12 Nov '22

12 Nov '22

AT 2022zxb = ZTF22abteqxm Large outburst amplitude of 7.8 mag. Possible WZ Sge-type dwarf nova. TNS: https://www.wis-tns.org/object/2022zxb IDs: 012438.516 +244802.808 GALEX_DR5_6387980255406064374 FUV=22.718(0.403) NUV=23.220(0.474) 012438.628 +244802.788 PS1_137760211609081519 g=21.8467(0.0510) r=21.7548(0.1716) i=21.8614(0.1856) z=20.4797(0.1594) y=-(-) 012438.615 +244802.884 SDSSJ012438.61+244802.8 u=22.326(0.198) g=21.878(0.058) r=21.971(0.088) i=21.901(0.125) z=22.147(0.430) ASAS-SN Sky Patrol: https://asas-sn.osu.edu/sky-patrol/coordinate/06f70233-b2f6-4916-b264-fc732… ZTF Alert: https://alerce.online/object/ZTF22abteqxm https://fink-portal.org/ZTF22abteqxm https://mars.lco.global/?objectId=ZTF22abteqxm https://lasair.roe.ac.uk/object/ZTF22abteqxm ZTF22abteqxm 20221104.088 <16.238g ASN ZTF22abteqxm 20221104.089 <16.117g ASN ZTF22abteqxm 20221104.090 <16.270g ASN ZTF22abteqxm 20221105.104 <16.025g ASN ZTF22abteqxm 20221105.105 <15.947g ASN ZTF22abteqxm 20221105.106 <15.980g ASN ZTF22abteqxm 20221109.340 14.058g ASN ZTF22abteqxm 20221109.342 14.127g ASN ZTF22abteqxm 20221109.343 14.069g ASN ZTF22abteqxm 20221110.061 14.397g ASN ZTF22abteqxm 20221110.062 14.450g ASN ZTF22abteqxm 20221110.064 14.478g ASN ZTF22abteqxm 20221110.404 14.830o ATF ZTF22abteqxm 20221110.407 14.819o ATF ZTF22abteqxm 20221110.414 14.795o ATF ZTF22abteqxm 20221111.265 14.914zr ZAL ZTF22abteqxm 20221111.384 14.717zg ZAL

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vsnet-newvar November 2022