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

[vsnet-alert 26826] VSNET servers are scheduled to be down on June 15
by 反保雄介 15 Jun '22

15 Jun '22

Dear collaborators, We are going to shut down VSNET mailing lists during the following time, due to the scheduled updates of our server machine. 15th June 7am(UT) - 8am(UT) *The recovery can be delayed if an unexpected circumstance occurred. Thank you for your understanding. Best regards and stay safe. Yusuke

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[vsnet-alert 26825] MGAB-V300 likely superoutburst
by Taichi Kato 14 Jun '22

14 Jun '22

MGAB-V300 likely superoutburst Superhumps have not yet been detected. YYYYMMDD(UT) mag observer 20220421.2778 <184C (Masao Funada) 20220612.2432 14.06C (Masao Funada)

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[vsnet-alert 26824] SDSS J152419.33+220920.0 outburst
by Taichi Kato 14 Jun '22

14 Jun '22

SDSS J152419.33+220920.0 outburst UGSU+E YYYYMMDD(UT) mag observer 20220531.2786 18.394zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220602.2749 19.395zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220603.5512 <158c (Yutaka Maeda) 20220606.2132 18.414zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220606.5588 <157c (Yutaka Maeda) 20220610.3212 15.400zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220610.3661 15.562zg (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-alert 26823] ZTF J193534.18+085856.8 likely superoutburst
by Taichi Kato 14 Jun '22

14 Jun '22

ZTF J193534.18+085856.8 likely superoutburst http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia22cky/ Gaia22cky AT2022mtb 2022-06-08 09:08:12 293.89235 8.98220 18.58 19.59 0.20 unknown 2022-06-13 07:13:14 ~1 mag brightening in Gaia source Likely SU UMa star in ZTF data. Superoutbursts in 2019 June, 2020 Nov. and probably now.

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[vsnet-alert 26822] CRTS J204618.0-312128 bright outburst
by Taichi Kato 14 Jun '22

14 Jun '22

CRTS J204618.0-312128 bright outburst http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia22ckz/ Gaia22ckz AT2022mtc 2022-06-07 21:51:21 311.57483 -31.35790 14.47 17.86 1.40 unknown 2022-06-13 07:14:00 ~5 mag outburst in candidate CV SSS110413:204618-312128

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[vsnet-alert 26818] ASASSN-22hw: likely a Galactic nova (mag. 9, in Musca)
by Patrick Schmeer 11 Jun '22

11 Jun '22

ASASSN-22hw = AT 2022mmp (N:) https://www.aavso.org/vsx/index.php?view=detail.top&oid=2227493 Transient Name Server (TNS): https://www.wis-tns.org/object/2022mmp Recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) light curve and data: https://asas-sn.osu.edu/sky-patrol/coordinate/5e2d668b-e59c-4b33-b0c7-5e4f1… Spectroscopy and multiband photometry are urgently required. Clear skies, Patrick

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[vsnet-alert 26817] ASASSN-21fd likely superoutburst
by Taichi Kato 10 Jun '22

10 Jun '22

ASASSN-21fd likely superoutburst Type from ZTF data. YYYYMMDD(UT) mag observer 20220526.4121 16.054zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220528.3994 15.856zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220528.4407 15.756zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220601.3829 16.298zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220601.4241 16.463zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220603.3533 16.714zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220603.4420 16.654zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220605.3965 16.891zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220607.3085 16.880zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20220607.4155 16.770zg (Zwicky Transient Facility Lasair (Masci+ 2019))

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[vsnet-alert 26816] V418 Ser superoutburst
by Taichi Kato 10 Jun '22

10 Jun '22

V418 Ser superoutburst (EI Psc star) YYYYMMDD(UT) mag observer 20220601.5617 <155c (Yutaka Maeda) 20220603.449 150 (Rod Stubbings) 20220603.5563 158:c (Yutaka Maeda) 20220604.8875 154cG (Masao Funada) 20220606.5638 154:cG (Yutaka Maeda) 20220606.5638 154:cG (Yutaka Maeda) 20220608.5416 <152c (Yutaka Maeda) 20220608.5697 15.91C (Masayuki Moriyama)

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[vsnet-alert 26814] Spectrum of U Sco
by Kenta TAGUCHI 07 Jun '22

07 Jun '22

Spectrum of U Sco We reported optical spectrum of U Sco to ATel: https://www.astronomerstelegram.org/?read=15420 Our spectrum are in good agreement with those shown in Figure 2 of Yamanaka et al. (2010). https://ui.adsabs.harvard.edu/abs/2010PASJ...62L..37Y/abstract -- ________________________________________________________________ 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 26813] Follow-up multicolor photometric observations of U Sco
by Filipp Romanov 07 Jun '22

07 Jun '22

Observer: Filipp Romanov (Russia). Remotely using 0.61-m f/6.5 corrected Dall-Kirkham telescope of Burke-Gaffney Observatory (Canada): SCOU 20220607.09358 7.794V RFD 0.009 SCOU 20220607.09770 8.038B RFD 0.020 SCOU 20220607.10087 7.447R RFD 0.017 SCOU 20220607.10199 7.173I RFD 0.022 Remotely using 0.355-m f/6.2 Schmidt-Cassegrain telescope of Abbey Ridge Observatory (Canada): SCOU 20220607.20586 7.890V RFD 0.048 SCOU 20220607.20959 8.273B RFD 0.021 SCOU 20220607.21496 7.449R RFD 0.016 SCOU 20220607.21514 7.094I RFD 0.032 With best regards.

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