February 2024 - vsnet-alert - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-alert 27991] V745 Sco brightening
by Berto Monard 29 Feb '24

29 Feb '24

For what it's worth. Possibly the start of an outburst of V745 Sco as per recent observations at KKO JD / Vj / Ic 2460353.59 17.90 13.43 2460358.59 - 13.48 2460364.58 - 13.34 2460368.59 15.88 13.06 2460369.54 15.7: 13.0: 2460369.63 15.50 12.90 Berto Monard / CBA KKO

1 0

[vsnet-alert 27990] IK Leo: in outburst
by Kojiguchi 27 Feb '24

27 Feb '24

IK Leo: in outburst Taguch-san has reported the latest outburst of this object detected by Tomo-e on 26 Feb. 2024 . According to ASAS-SN, already started brightening on 21 Feb. 2024. Past superoutburst: Oct. 2006 Type: WZ Sge-type star with type-A (flat-long) rebrightening https://ui.adsabs.harvard.edu/abs/2008PASJ...60..227U/abstract ASAS-SN Sky Patrol: https://asas-sn.osu.edu/sky-patrol/coordinate/2d60c8fc-72f6-4867-a581-89e7f… ASAS-SN Sky Patrol 2: http://asas-sn.ifa.hawaii.edu/skypatrol/objects/661426738756 LEOIK 20240221.2340 <16.091g ASN LEOIK 20240221.2352 <16.069g ASN LEOIK 20240221.2364 <16.039g ASN LEOIK 20240221.9570 13.024g ASN LEOIK 20240221.9582 13.011g ASN LEOIK 20240221.9594 12.907g ASN LEOIK 20240226.3466 12.883g ASN LEOIK 20240226.3479 12.948g ASN LEOIK 20240226.3491 12.943g ASN LEOIK 20240226.5758 13.433o ATF LEOIK 20240226.6117 13.428o ATF LEOIK 20240226.6393 13.485o ATF ATF (ATLAS Forced Photometry (Tonry et al. 2018)) ASN (ASAS-SN survey (Shappee+ 2014; Kochanek+ 2017))

1 0

[vsnet-alert 27989] TCP J12584767-0849071 multiple rebrightenings
by Taichi Kato 19 Feb '24

19 Feb '24

TCP J12584767-0849071 multiple rebrightenings Pointed out by Moriyama-san. YYYYMMDD(UT) mag observer 20240207.674 19.49C (Hiroshi Itoh) 20240209.8617 <168C (Masayuki Moriyama) 20240211.8582 16.60C (Masayuki Moriyama) 20240212.8399 <171C (Masayuki Moriyama) 20240213.4672 17.861zr (ZTF Alert DC mag (Masci+ 2019)) 20240215.4598 15.365zr (ZTF Alert DC mag (Masci+ 2019)) 20240216.8475 16.39C (Masayuki Moriyama) 20240217.8527 <167C (Masayuki Moriyama)

1 0

[vsnet-alert 27988] Wils_SDSSJ091741.29+073647.4 rebrightening
by Taichi Kato 14 Feb '24

14 Feb '24

Wils_SDSSJ091741.29+073647.4 rebrightening Noted by Moriyama-san. Likely multiple rebrightenings of a WZ Sge star. YYYYMMDD(UT) mag observer 20240123.2047 <17.091g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20240124.2119 <17.124g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20240124.7493 <157C (Masayuki Moriyama) 20240125.6942 <163C (Masayuki Moriyama) 20240127.753 <172C (Hiroshi Itoh) 20240128.601 <172C (Hiroshi Itoh) 20240129.1981 16.765g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20240129.7043 15.62C (Masayuki Moriyama) 20240207.6562 16.00C (Masayuki Moriyama) 20240209.6497 <174C (Masayuki Moriyama) 20240211.6892 <179C (Masayuki Moriyama) 20240212.6605 17.39C (Masayuki Moriyama)

1 0

[vsnet-alert 27987] ASASSN-24ah rebrightening
by Taichi Kato 13 Feb '24

13 Feb '24

ASASSN-24ah rebrightening WZ Sge star with a dip before the main superoutburst. YYYYMMDD(UT) mag observer 20240131.780 155CV (Klaus Wenzel) 20240201.772 163CV (Klaus Wenzel) 20240204.381 18.10C (Hiroshi Itoh) 20240205.746 190:CV (Klaus Wenzel) 20240207.5869 <184C (Masayuki Moriyama) 20240208.6529 <180C (Masayuki Moriyama) 20240211.747 167CV (Klaus Wenzel)

1 0

2024

2023

2022

2021

vsnet-alert February 2024