- vsnet-alert - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-alert 27317] X Ser possible outburst
by Robert J. Modic 15 Jan '23

15 Jan '23

CCD Observations Object YYYYMMDD(UT) Mag Obs Chart Remarks SERX 20230114.505 16.65V MRV Henden MPO61; Err 0.04; Possible Outburst Instruments: RCOS 24" w/FLI PL1603, AAVSONet (MPO61) Observer: Robert J. Modic (MRV)

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[vsnet-alert 27316] Re: Spectrum of PNV J00215475+5231007
by Taichi Kato 14 Jan '23

14 Jan '23

Re: Spectrum of PNV J00215475+5231007 Taguchi-san probably forgot to mention about He II and Bowen blend, which is frequently seen in (relatively) high-inclination WZ Sge stars in the earliest phase of outburst.

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[vsnet-alert 27315] Spectrum of PNV J00215475+5231007
by Kenta TAGUCHI 13 Jan '23

13 Jan '23

Spectrum of PNV J00215475+5231007 We reported optical spectrum of PNV J00215475+5231007 to ATel: https://www.astronomerstelegram.org/?read=15857 -- ________________________________________________________________ 田口健太　(TAGUCHI, Kenta) 京都大学大学院理学研究科宇宙物理学教室 (Department of Astronomy, Graduate School of Science, Kyoto University) kentagch(a)kusastro.kyoto-u.ac.jp 09090536980

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[vsnet-alert 27314] ATLAS22bopd: more likely UG
by Taichi Kato 13 Jan '23

13 Jan '23

ATLAS22bopd: more likely UG ATLAS data: YYYYMMDD(UT) mag observer 20221231.1897 15.411o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20221231.1992 15.400o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20221231.2131 15.487o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20221231.2185 15.447o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230101.9713 15.649o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230101.9749 15.668o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230101.9961 15.698o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230102.0034 15.672o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230104.1508 15.902o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230104.1526 15.925o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230104.1558 15.891o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230104.1612 15.878o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230108.1758 16.142o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230108.1785 16.124o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230108.1942 16.105o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230108.1997 16.221o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230109.9391 16.482o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230109.9446 16.536o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230109.9482 16.489o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230109.9816 16.424o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230112.1533 16.676o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230112.1565 16.685o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230112.1611 16.765o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) In quiescence 3 d before (ATLAS). GALEX ID: 063247.060 -722006.25 (2000.0) GALEX_DR5_6385763636743246280 NUV=22.251(0.362) FUV=21.743(0.489)

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[vsnet-alert 27313] ATLAS23agq = Gaia23afl
by Taichi Kato 13 Jan '23

13 Jan '23

ATLAS23agq = Gaia23afl > [vsnet-alert 27308] Gaia23afl

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[vsnet-alert 27312] FL Psc outburst?
by Taichi Kato 13 Jan '23

13 Jan '23

FL Psc outburst? Outburst in 2004. YYYYMMDD(UT) mag observer 20230104.4706 <146c (Yutaka Maeda) 20230107.5347 <147c (Yutaka Maeda) 20230110.5801 159:C (Masayuki Moriyama)

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[vsnet-alert 27311] HH Cnc long outburst
by Taichi Kato 13 Jan '23

13 Jan '23

HH Cnc long outburst Longest and brightest outburst ever, although past observations of a long outburst did not detect superhumps. YYYYMMDD(UT) mag observer 20221218.2008 <183C (Masao Funada) 20221225.7450 135cG (Yutaka Maeda) 20221227.6794 136cG (Yutaka Maeda) 20221231.6711 140cG (Yutaka Maeda) 20221231.7993 145C (Masayuki Moriyama) 20230101.0376 13.98C (Masao Funada) 20230102.6436 142:cG (Yutaka Maeda) 20230102.6437 142:cG (Yutaka Maeda) 20230102.7576 146C (Masayuki Moriyama) 20230103.583 146C (Mitsutaka Hiraga) 20230104.1945 14.04C (Masao Funada) 20230104.7743 14.34C (Masayuki Moriyama) 20230107.8946 145C (Masayuki Moriyama) 20230109.6875 139:c (Yutaka Maeda) 20230110.6695 143:cG (Yutaka Maeda) 20230110.6696 143:cG (Yutaka Maeda)

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[vsnet-alert 27310] RX Cha outburst
by Taichi Kato 13 Jan '23

13 Jan '23

RX Cha outburst Genuine superoutburst has not been observed recently. YYYYMMDD(UT) mag observer 20221214.3125 <177C (Masao Funada) 20230111.521 146 (Rod Stubbings) 20230112.526 147 (Rod Stubbings)

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[vsnet-alert 27309] CRTSJ223235.4+304105 likely superoutburst
by Taichi Kato 13 Jan '23

13 Jan '23

CRTSJ223235.4+304105 likely superoutburst Apparent superoutburst in ZTF data in 2020 Aug.-Sep. (precursor + main + rebrightening) YYYYMMDD(UT) mag observer 20230107.1218 16.435zg (ZTF Alert DC mag (Masci+ 2019)) 20230107.1524 16.849zr (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27308] Gaia23afl
by Taichi Kato 13 Jan '23

13 Jan '23

Gaia23afl Gaia23afl AT2023dn 2023-01-10 13:11:44 187.36278 -37.09873 14.97 unknown 2023-01-12 09:15:02 Apparently hostless bright blue transient, candidate CV http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23afl/ ATLAS also detected: YYYYMMDD(UT) mag observer 20230109.3551 15.382o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230109.3576 15.326o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230109.3589 15.264o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230109.3603 15.211o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230110.0016 15.035o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230110.0052 15.061o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230110.0116 15.051o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230110.0171 15.021o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230110.3202 15.032o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230110.3432 15.160o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230110.3610 15.063o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

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