June 2022 - vsnet-alert - ooruri.kusastro.kyoto-u.ac.jp

[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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[vsnet-alert 26496] V485 Cen superoutburst
by Taichi Kato 07 Jun '22

07 Jun '22

V485 Cen superoutburst EI Psc-type object. YYYYMMDD(UT) mag observer 20211218.2709 <168C (Masao Funada) 20211225.3367 14.18C (Masao Funada) 20211227.642 144 (Rod Stubbings) 20211228.658 145 (Rod Stubbings) 20211229.658 145 (Rod Stubbings)

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vsnet-alert June 2022