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

[vsnet-newvar 9871] Gaia23bbc
by Taichi Kato 12 Mar '23

12 Mar '23

Gaia23bbc Possible dwarf nova. http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23bbc/ Gaia23bbc AT2023cwd 2023-03-08 02:02:00 125.15272 -18.52729 15.51 18.23 0.18 unknown 2023-03-10 17:42:18 ~3 mag outburst in red Gaia source with faint GALEX detection

1 0

[vsnet-newvar 9870] ASASSN-23bn
by Taichi Kato 12 Mar '23

12 Mar '23

ASASSN-23bn Bright, large-amplitude transient. ASASSN-23bn --- ------- 7:31:22.43 -45:54:47.6 2023-03-8.88 13.45 SDSS DSS VIZIER ------- CV candidate, no Vizier match, g>17.2 on 2023-03-07.14, g=14.1 on 2023-03-08.25, g=13.8 on 2023-03-08.89.

1 0

[vsnet-newvar 9869] Rybka2 possible superoutburst
by Taichi Kato 10 Mar '23

10 Mar '23

Rybka2 possible superoutburst UGSU:+E http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23bao/ Gaia23bao AT2023cuw 2023-03-07 04:14:12 337.90592 40.49537 17.10 19.53 1.06 CV 2023-03-09 09:48:25 outburst in known CV Rybka 2 Last superoutburst in 2022 July and supercycle about 300 d (ATLAS data).

1 0

[vsnet-newvar 9868] Gaia DR3 290647986316685824: incorrect name
by Taichi Kato 09 Mar '23

09 Mar '23

Gaia DR3 290647986316685824: incorrect name https://www.aavso.org/vsx/index.php?view=detail.top&oid=2387044 should be: Gaia DR3 5290647986316685824

1 0

[vsnet-newvar 9867] Wils_SDSSJ074859.55+312512.6 superoutburst
by Taichi Kato 08 Mar '23

08 Mar '23

Wils_SDSSJ074859.55+312512.6 superoutburst UGSU+E YYYYMMDD(UT) mag observer 20230305.5949 <156c (Yutaka Maeda) 20230306.0679 15.595o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230306.0768 15.568o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230306.0799 15.633o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230306.0998 15.721o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230306.3344 15.847o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230306.3550 15.570o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230306.6215 <149c (Yutaka Maeda)

1 0

[vsnet-newvar 9866] PB6108: high-peak and long-tail outburst in 2022 July
by Taichi Kato 08 Mar '23

08 Mar '23

PB6108: high-peak and long-tail outburst in 2022 July Resembles the 2021 May outburst of DO Dra, but the color of PB6108 suggests otherwise. YYYYMMDD(UT) mag observer 20220726.5737 18.207o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220726.5769 18.152o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220726.5922 18.055o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220726.6011 17.828o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220727.3851 18.180o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220727.3885 18.110o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220727.3961 18.040o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220727.4217 17.938zr (ZTF Alert DC mag (Masci+ 2019)) 20220727.4217 18.065zr (Zwicky Transient Facility (Masci et al., 2019)) 20220727.4466 18.390zg (ZTF Alert DC mag (Masci+ 2019)) 20220727.4466 18.444zg (Zwicky Transient Facility (Masci et al., 2019)) 20220728.5661 18.118c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220728.5692 18.272c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220728.5747 18.331c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220728.5801 18.366c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220730.4016 17.209zr (Zwicky Transient Facility (Masci et al., 2019)) 20220731.3699 15.461c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220731.3735 15.415c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220731.4019 15.207c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220731.4079 15.399c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220801.4542 16.332c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220801.4574 16.531c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220801.4610 16.532c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220801.4848 16.374c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220801.6290 16.483c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220804.4363 17.026zg (Zwicky Transient Facility (Masci et al., 2019)) 20220804.4442 16.837zr (Zwicky Transient Facility (Masci et al., 2019)) 20220805.5747 16.956c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220805.5778 17.124c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220805.5837 16.849c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220805.6026 16.925c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220806.1057 16.515c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220806.1091 16.426c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220806.1149 16.443c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220806.1264 16.259c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220807.4218 16.389zg (ZTF Alert DC mag (Masci+ 2019)) 20220807.4218 16.434zg (Zwicky Transient Facility (Masci et al., 2019)) 20220807.4450 16.747zr (ZTF Alert DC mag (Masci+ 2019)) 20220807.4450 16.770zr (Zwicky Transient Facility (Masci et al., 2019)) 20220808.2850 16.549o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220808.2882 16.445o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220808.3030 16.636o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220808.3080 16.511o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220809.4397 16.564o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220809.4415 16.642o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220809.4616 16.774o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220809.4698 16.672o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220810.0422 16.431o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220810.0449 16.216o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220810.0540 16.651o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220810.4196 17.003zg (ZTF Alert DC mag (Masci+ 2019)) 20220810.4196 17.030zg (Zwicky Transient Facility (Masci et al., 2019)) 20220810.4580 17.008zr (ZTF Alert DC mag (Masci+ 2019)) 20220810.4580 17.039zr (Zwicky Transient Facility (Masci et al., 2019)) 20220811.4991 16.510o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220811.5009 16.790o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220811.5068 16.876o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220812.4171 17.174zr (ZTF Alert DC mag (Masci+ 2019)) 20220812.4171 17.257zr (Zwicky Transient Facility (Masci et al., 2019)) 20220812.4575 17.170zg (ZTF Alert DC mag (Masci+ 2019)) 20220812.4575 17.187zg (Zwicky Transient Facility (Masci et al., 2019)) 20220813.5064 16.799o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220813.5082 16.789o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220813.5141 17.061o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220813.5195 17.083o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220817.4348 18.085zr (ZTF Alert DC mag (Masci+ 2019)) 20220817.4348 18.158zr (Zwicky Transient Facility (Masci et al., 2019)) 20220817.5334 18.271o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220817.5352 18.075o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220817.5384 17.925o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220817.5642 18.074o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

1 0

[vsnet-newvar 9865] MASTER OT J055845.55+391533.4: oscillation-type rebrightening
by Taichi Kato 08 Mar '23

08 Mar '23

MASTER OT J055845.55+391533.4: oscillation-type rebrightening Itoh-san, Kiyota-san and Vihorlat Observatory team have reported further observations. This object shows oscillation-type rebrightening after the dips. This feature was also present in the past ATLAS data. Strange object.

1 0

[vsnet-newvar 9864] Re: Wils_SDSSJ075107.50+300628.4: likely superoutburst
by Taichi Kato 08 Mar '23

08 Mar '23

Re: Wils_SDSSJ075107.50+300628.4: likely superoutburst > Almost superoutburst-only object with a short supercycle. > Superoutburst? in 2022 Oct. Indeed very likely for both. Very few normal outbursts were recorded in ATLAS despite the short supercycle. YYYYMMDD(UT) mag observer 20230302.5894 <156c (Yutaka Maeda) 20230304.5793 <151c (Yutaka Maeda) 20230305.5957 144c (Yutaka Maeda) 20230306.3344 15.172o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230306.3550 15.124o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230306.6223 149:c (Yutaka Maeda)

1 0

[vsnet-newvar 9863] Re: Gaia23azk
by Taichi Kato 08 Mar '23

08 Mar '23

Re: Gaia23azk No past activity in ASAS-SN/ATLAS. https://asas-sn.osu.edu/sky-patrol/coordinate/9c515a17-75cd-480d-98e9-f5a7c…

1 0

[vsnet-newvar 9862] ASASSN-15cv bright outburst?
by Taichi Kato 08 Mar '23

08 Mar '23

ASASSN-15cv bright outburst? Short outburst in 2019. YYYYMMDD(UT) mag observer 20230303.978 <16.30C (Gary Poyner) 20230303.9795 <162cG (Masao Funada) 20230304.5094 <158c (Yutaka Maeda) 20230305.5258 <157c (Yutaka Maeda) 20230306.5525 148:cG (Yutaka Maeda)

1 0