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

[vsnet-newvar 10000] TCP J12363806+0213281: period of early superhumps
by Taichi Kato 17 Apr '23

17 Apr '23

TCP J12363806+0213281: period of early superhumps Tonny Vanmunster has reported new observations. The period of early superhumps has been confirmed to be 0.0549(1) d (amplitude 0.04 mag).

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[vsnet-newvar 9999] CX645 past outbursts
by Taichi Kato 16 Apr '23

16 Apr '23

CX645 past outbursts ATLAS and ZTF detected several long outbursts. The present outburst is likely similar to this one. YYYYMMDD(UT) mag observer 20220724.2306 20.226zg (Zwicky Transient Facility (Masci et al., 2019)) 20220726.2730 18.156zr (Zwicky Transient Facility (Masci et al., 2019)) 20220727.9206 18.059c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220727.9263 18.240c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220728.2515 18.359zr (Zwicky Transient Facility (Masci et al., 2019)) 20220728.2953 18.334zg (ZTF Alert DC mag (Masci+ 2019)) 20220728.2953 18.371zg (Zwicky Transient Facility (Masci et al., 2019)) 20220729.1091 18.149c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220729.1131 18.032c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220729.1189 18.158c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220729.1316 17.892c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220730.1379 18.525c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220730.1411 18.734c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220730.2115 18.530zg (ZTF Alert DC mag (Masci+ 2019)) 20220730.2115 18.567zg (Zwicky Transient Facility (Masci et al., 2019)) 20220730.2515 17.893zr (ZTF Alert DC mag (Masci+ 2019)) 20220730.2515 17.951zr (Zwicky Transient Facility (Masci et al., 2019)) 20220730.8938 18.515c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220730.8978 18.349c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220730.9042 18.648c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220730.9147 18.570c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220731.8247 18.556c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220731.8287 18.738c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220731.8350 18.670c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220731.8461 18.987c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220802.1263 18.918c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220802.1304 19.019c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220802.1399 18.912c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220802.1454 18.847c (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20220802.2521 18.654zg (Zwicky Transient Facility (Masci et al., 2019)) 20220806.2163 19.172zr (Zwicky Transient Facility (Masci et al., 2019)) 20220806.2319 19.753zg (Zwicky Transient Facility (Masci et al., 2019)) Present: YYYYMMDD(UT) mag observer 20230406.2917 18.204o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230409.3221 18.172o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

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[vsnet-newvar 9998] Re: Gaia23blq recent data
by Taichi Kato 16 Apr '23

16 Apr '23

Re: Gaia23blq recent data > I forgot to change the name. It is MASTER OT J171752.02-070654.6. This was a confusion. Please ignore.

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[vsnet-newvar 9997] Gaia23bnl recent data
by Taichi Kato 16 Apr '23

16 Apr '23

Gaia23bnl recent data http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23bnl/ Similar long outburst in 2022 Sep.-Oct. Amplitude too small for an SU UMa star? YYYYMMDD(UT) mag observer 20230402.1234 17.982o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230402.1263 18.148o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230402.1338 18.112o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230403.1219 17.768o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230403.1251 17.832o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230403.1311 17.924o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230403.1501 17.887o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230406.0506 16.816o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230406.0536 16.760o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230406.0881 16.717o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230406.1480 16.755o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230407.3082 16.798o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230407.3101 16.877o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230407.3129 16.811o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230407.3190 16.777o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230413.2573 16.976o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230413.2591 16.974o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230413.2749 16.849o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230413.2777 16.943o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.0787 17.095o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.0811 17.049o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230415.0872 17.075o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

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[vsnet-newvar 9996] CX645 outburst
by Taichi Kato 16 Apr '23

16 Apr '23

CX645 outburst http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23bnb/

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[vsnet-newvar 9995] Gaia DR3 4120119486648118784 outburst = Gaia23bne
by Taichi Kato 16 Apr '23

16 Apr '23

Gaia DR3 4120119486648118784 outburst = Gaia23bne http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23bne/ In Gaia DR3, type E, P=0.315742 d. Emission line in Gaia spectrum?

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[vsnet-newvar 9994] ASASSN-VJ130353.85-644707.4 = MLTJ130353.92-644710.1 recent data
by Taichi Kato 16 Apr '23

16 Apr '23

ASASSN-VJ130353.85-644707.4 = MLTJ130353.92-644710.1 recent data See ATel #15990 Two past outbursts in ATLAS. YYYYMMDD(UT) mag observer 20230414.9122 16.282o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.9161 16.330o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.9214 16.405o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.9323 16.231o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.9416 16.221o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.9449 16.223o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.9505 16.270o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

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[vsnet-newvar 9993] Re: Gaia23blq recent data
by Taichi Kato 15 Apr '23

15 Apr '23

Re: Gaia23blq recent data > http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23blq/ > > Already faded considerably but reachable. I forgot to change the name. It is MASTER OT J171752.02-070654.6.

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[vsnet-newvar 9992] Gaia23blq recent data
by Taichi Kato 15 Apr '23

15 Apr '23

Gaia23blq recent data http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23blq/ Already faded considerably but reachable. YYYYMMDD(UT) mag observer 20230407.0551 15.261o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230407.0988 15.111o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230407.1006 15.115o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230407.1035 15.105o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.3561 16.415o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.3809 16.535o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505)) 20230414.4092 16.493o (ATLAS Forced Photometry (Tonry+2018, PASP 130, 064505))

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[vsnet-newvar 9991] Re: Gaia DR2 6737058388839298432 = Gaia23bly possible superoutburst
by Taichi Kato 15 Apr '23

15 Apr '23

Re: Gaia DR2 6737058388839298432 = Gaia23bly possible superoutburst > Past outbursts in ATLAS sometimes showed a precursor or > rebrightening. Long-Porb SU UMa star? ATLAS probably detected superhumps during the 2022 Aug. outburst and possibly in 2017 Sep.

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