March 2023 - vsnet-newvar - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-newvar 9874] TCP J06461075+2502415
by Naoto Kojiguchi 14 Mar '23

14 Mar '23

TCP J06461075+2502415 Large outburst amplitude of more than 8 mag. TCP J06461075+2502415 2023 03 14.5871* 06 46 10.75 +25 02 41.5 14.1 U Gem 9 8 2023 03 14.5871 Discovered by Yuji Nakamura, Kameyama, Mie, Japan, on two frames (30-s exp. limiting mag 16.0) taken by 0.10-m F3.0 refractor and CMOS camera. Nothing is visible at this location on the frames taken on 2023 Mar. 06.5853 UT (30-s exp. limiting mag 15.5) by same instrument. --- Seiichiro Naito and Isao Endoh (NAOJ) ASAS-SN Sky Patrol: https://asas-sn.osu.edu/sky-patrol/coordinate/6159bb35-97b5-454d-a2d8-90e41… TCPJ06461075+2502415 20230310.298 <15.696g ASN TCPJ06461075+2502415 20230310.299 <15.854g ASN TCPJ06461075+2502415 20230310.301 <16.011g ASN TCPJ06461075+2502415 20230311.057 <16.441g ASN TCPJ06461075+2502415 20230311.059 <16.594g ASN TCPJ06461075+2502415 20230311.060 <16.409g ASN TCPJ06461075+2502415 20230311.088 <16.197g ASN TCPJ06461075+2502415 20230311.089 <16.229g ASN TCPJ06461075+2502415 20230311.090 <16.221g ASN TCPJ06461075+2502415 20230312.114 <15.945g ASN TCPJ06461075+2502415 20230312.115 <16.031g ASN TCPJ06461075+2502415 20230312.116 <15.970g ASN TCPJ06461075+2502415 20230314.041 197:o ATF TCPJ06461075+2502415 20230314.044 197:o ATF TCPJ06461075+2502415 20230314.5871 14.1C (Yuji Nakamura)

1 0

[vsnet-newvar 9873] Re: ASASSN-23bn
by Taichi Kato 12 Mar '23

12 Mar '23

Re: ASASSN-23bn ATLAS detection. YYYYMMDD(UT) mag observer 20230309.0735 14.057o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230309.0771 14.040o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230309.0820 14.051o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230309.0920 14.051o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.8416 14.489o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.8452 14.455o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.8521 14.507o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

1 0

[vsnet-newvar 9872] Re: Gaia23bbc
by Taichi Kato 12 Mar '23

12 Mar '23

Re: Gaia23bbc After combination with ATLAS data. Likely SS Cyg star. YYYYMMDD(UT) mag observer 20230220.1833 19.156c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230220.1865 18.868c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230220.2215 18.788c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230220.2295 18.984c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230221.0989 <17.715g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230221.1002 <17.479g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230221.1015 <17.413g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230222.2501 <17.443g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230222.2513 <17.433g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230222.2526 <17.577g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230222.9138 18.183o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230222.9170 18.029o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230222.9224 18.091o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230222.9340 18.076o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230223.1804 <17.622g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230223.1817 <17.494g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230223.1830 <17.609g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230224.0663 19.092c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230224.0686 19.137c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230224.0714 18.761c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230224.0852 18.951c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230224.1146 <17.609g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230224.1159 <17.554g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230224.1172 <17.523g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230224.1500 <17.590g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230224.1512 <17.569g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230224.1525 <17.501g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230225.1787 <17.510g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230225.1800 <17.611g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230225.1812 <17.403g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230225.1974 <17.535g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230225.1987 <17.452g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230225.2000 <17.432g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230226.1785 <17.461g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230226.1797 <17.673g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230226.1810 <17.452g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230228.0328 <16.891g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230228.0341 <16.856g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230228.0354 <17.004g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230228.1061 18.025o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230228.1093 18.003o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230228.1165 18.352o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230228.1516 18.113o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230301.1279 <17.064g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230301.1292 <17.204g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230301.1305 <16.952g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230301.1543 <17.164g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230301.1555 <17.062g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230301.1568 <17.018g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230302.1545 <16.805g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230302.1558 <16.939g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230302.1570 <16.833g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230302.8822 18.237o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230302.8937 18.137o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230302.8973 18.134o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230302.9027 17.919o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230303.2580 <16.473g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230303.2592 <16.661g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230303.2605 <16.724g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230304.1407 18.071o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230304.1434 18.245o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230304.1489 18.132o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230304.1642 17.919o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230304.2008 <16.336g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230304.2021 <16.349g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230304.2034 <16.233g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230307.1484 <15.756g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230307.1496 <15.778g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230307.1509 <15.783g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230307.2582 <15.609g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230307.2594 <15.736g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230308.0945 15.571o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230308.1191 15.611o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230308.1222 15.602o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230308.1281 15.596o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230308.9867 15.336g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230308.9879 15.367g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230308.9892 15.496g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230309.9629 15.064o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230309.9661 15.054o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230309.9760 15.090o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230309.9883 15.066o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.9342 14.729o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.9374 14.685o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230310.9434 14.629o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230311.2782 14.554g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230311.2794 14.516g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230311.2807 14.566g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230311.7886 14.389g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230311.7899 14.390g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017)) 20230311.7911 14.384g (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))

1 0

[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