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

[vsnet-newvar 9412] TCP J08182007+4413553 = AT 2022sqd = ZTF22abedept
by Naoto Kojiguchi 31 Aug '22

31 Aug '22

TCP J08182007+4413553 = AT 2022sqd = ZTF22abedept Large outburst amplitude of 7.7 mag. TCP J08182007+4413553 2022 08 30.4171* 08 18 20.07 +44 13 55.3 15.0 C Lyn 0 0 http://www.cbat.eps.harvard.edu/unconf/followups/J08182007+4413553.html 2022 08 30.4171 Discovered by B.Kumar (Golden Ears Observatory Transient Survey - GEOTS) at Golden Ears Observatory, Maple Ridge, BC, Canada, in three 30-second unfiltered exposures using a 0.36-m f/2 Schmidt-Cassegrain + CCD, with magnitude 15.0 under limiting magnitude 18.0. Nothing is visible at this position on archival images taken on 2022 August 22.4670 UT (limiting mag 18.0). Discovery and Reference images can be found here: https://www.wis-tns.org/system/files/uploaded/GEOTS/tns_2022sqd_atrep_15639… TNS: https://www.wis-tns.org/object/2022sqd SDSS12: 081820.08 +441355.1 SDSSJ081820.08+441355.1 u=24.134(0.705) g=22.727(0.147) r=23.819(0.416) i=23.658(0.536) z=22.175(0.501) ZTF alert: https://lasair-ztf.lsst.ac.uk/object/ZTF22abedept https://alerce.online/object/ZTF22abedept https://mars.lco.global/?objectId=ZTF22abedept https://fink-portal.org/ZTF22abedept MPChecker: NO DATA TCPJ08182007+4413553 20220828.635 <15.700g ASN TCPJ08182007+4413553 20220829.635 14.472g ASN TCPJ08182007+4413553 20220830.4171 15.0C GEOTS TCPJ08182007+4413553 20220830.500 15.2r (ZTF Alert)

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[vsnet-newvar 9411] Re: AT2022sfe: likely highly reddened nova
by Taichi Kato 30 Aug '22

30 Aug '22

Re: AT2022sfe: likely highly reddened nova Accoring to > https://www.wis-tns.org/object/2022sfe The Gaia object appears to be the northern component of the pair. 200029.264 +345308.30 (2000.0) Gaia_EDR3_2059315910815578496 plx=-(-) dismod=- pmra=-(-) pmdec=-(-) G=21.008 BP=21.178 RP=19.371 The location 20:00:29.256 +34:53:09.14 is very slightly different from this location. A faint object not in Gaia may be outbursting now.

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[vsnet-newvar 9410] AT2022sfe: likely highly reddened nova
by Taichi Kato 30 Aug '22

30 Aug '22

AT2022sfe: likely highly reddened nova Moriyama-san has pointed out the red color. YYYYMMDD(UT) mag observer 20220827.5919 15.53C (Masayuki Moriyama) 20220828.6528 15.34C (Masayuki Moriyama) 20220828.6559 14.99Rc (Masayuki Moriyama) 20220828.6576 13.51Ic (Masayuki Moriyama) 20220828.6593 <16.39B (Masayuki Moriyama) 20220828.6638 16.92:V (Masayuki Moriyama) See: https://www.wis-tns.org/object/2022sfe The object is located very close to the northern component of a close pair in the PS1 image. The Gaia object appears to be the southern component of the pair. 200029.264 +345308.30 (2000.0) Gaia_EDR3_2059315910815578496 plx=-(-) dismod=- pmra=-(-) pmdec=-(-) G=21.008 BP=21.178 RP=19.371 The outbursting object may not be related to them.

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[vsnet-newvar 9409] MASTER OT J001204.00-412337.4: second rebrightening
by Taichi Kato 30 Aug '22

30 Aug '22

MASTER OT J001204.00-412337.4: second rebrightening Josch Hambsch detected the second post-superoutburst rebrightening on Aug. 27.

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[vsnet-newvar 9408] Gaia22doh
by Taichi Kato 29 Aug '22

29 Aug '22

Gaia22doh Likely reddened nova. http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia22doh/ Gaia22doh AT2022sie 2022-08-26 05:03:03 235.24023 -54.59284 16.89 unknown 2022-08-27 20:49:03 Apparently hostless bright red transient

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[vsnet-newvar 9407] CRTS J131103.5-414622 outburst
by Taichi Kato 26 Aug '22

26 Aug '22

CRTS J131103.5-414622 outburst Large-amplitude outburst. Gaia22dme AT2022rus 2022-08-21 05:13:56 197.76459 -41.77282 14.27 unknown 2022-08-22 16:03:39 outburst in candidate CV SSS 110423:131104-414622 http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia22dme/

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[vsnet-newvar 9406] ASASSN-22jz: revised period of early superhumps
by Taichi Kato 25 Aug '22

25 Aug '22

ASASSN-22jz: revised period of early superhumps Using the period of ordinary superhumps, I re-analyzed the data reported in [vsnet-alert 26907]. The correct period of early superhumps was an one-day alias to vsnet-alert 26907. P(ESH)=0.05700(3) d.

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[vsnet-newvar 9405] PS1-3PIJ035747.16-063851.1 = Gaia DR3 324488617195639360 = ASASSN-22kc = ZTF19abuskjw: new SU UMa-type dwarf nova
by Taichi Kato 24 Aug '22

24 Aug '22

PS1-3PIJ035747.16-063851.1 = Gaia DR3 324488617195639360 = ASASSN-22kc = ZTF19abuskjw: new SU UMa-type dwarf nova Josch Hambsch and Itoh-san have reported observations. The object shows superhumps with a period of 0.05761(3) d (amplitude 0.10 mag).

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[vsnet-newvar 9404] MASTER OT J001204.00-412337.4: rebrightening
by Taichi Kato 18 Aug '22

18 Aug '22

MASTER OT J001204.00-412337.4: rebrightening Josch Hambsch has detected a rebrightening on Aug. 17. Having unusual outburst property, this object deserves continuous attention and time-resolved photometry.

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[vsnet-newvar 9403] ASASSN-22kc
by Naoto Kojiguchi 16 Aug '22

16 Aug '22

ASASSN-22kc Large outburst amplitude of 7 mag. Possible WZ Sge-type object. ASASSN-22kc -- ------- 3:57:47.12 -6:38:51.8 2022-08-13.4 13.19 SDSS DSS VIZIER ------- CV candidate, matches to PS1 g=20.0, g>16.8 on 2022-08-11.44, g=13.6 on 2022-08-13.40, g=13.1 on 2022-08-15.53 035747.168 -063851.281 Gaia_DR2_3244886171956393600 Plx=2.5019(0.4672) dismod=8.0 pmRA=-1.982(0.702) pmDE=-35.717(0.555) G=19.6294(0.0202) BP-RP=0.6357 E(g-r)=0.080 E(B-V)=0.071 Ag=0.281 Ar=0.209 Ai=0.158 035747.170 -063850.741 Gaia_EDR3_3244886171956393600 Plx=2.665(0.3351) dismod=7.9 PM=34.876 pmRA=-1.29(0.338) pmDE=-34.853(0.256) G=19.47956(0.009911) BP-RP=0.591627 E(g-r)=0.080 E(B-V)=0.071 Ag=0.281 Ar=0.209 Ai=0.158 035747.168 -063851.266 PS1_DR1_100020594464933394 g=20.0076(0.0316) r=19.7348(0.0354) i=19.8109(0.0245) z=19.6572(0.0378) y=19.5907(0.0383) 035747.161 -063851.112 PS1_DR2_100020594464933394 g=19.9729(0.012006) r=19.6526(0.010248) i=19.7928(0.01067) z=19.7759(0.020035) y=19.6977(0.046113) 035747.161 -063851.112 PS1_DR2_100020594464933394 g=19.9472(0.012111) r=19.6602(0.010789) i=19.7906(0.010697) z=19.7132(0.019595) y=19.7539(0.047272) 035747.170 -063850.680 SDSSJ035747.16-063850.6 ObsDate=1999.7823 u=20.029(20.029) g=20.11(0.023) r=19.978(0.028) i=19.977(0.039) z=19.616(0.119) 035747.168 -063850.773 SDSSJ035747.16-063850.7 ObsDate=2000.7378 u=19.867(19.867) g=19.98(0.019) r=19.73(0.019) i=19.873(0.031) z=19.722(0.104) ASAS-SN Sky Patrol https://asas-sn.osu.edu/sky-patrol/coordinate/93515a5f-cbb0-46d8-adfa-b3335… ZTF alert https://alerce.online/object/ZTF19abuskjw MPChecker NO DATA ASASSN-22kc 20220811.449 <16.007g ASN ASASSN-22kc 20220813.401 13.511g ASN ASASSN-22kc 20220813.605 13.243o ATF ASASSN-22kc 20220815.538 13.090g ASN ASASSN-22kc 20220815.543 13.471o ATF

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vsnet-newvar August 2022