September 2021 - vsnet-newvar - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-newvar 8735] ASASSN-14ex superoutburst
by Taichi Kato 09 Sep '21

09 Sep '21

ASASSN-14ex superoutburst YYYYMMDD(UT) mag observer 20210827.5743 <161c (Yutaka Maeda) 20210828.2201 19.508zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210828.5245 <159c (Yutaka Maeda) 20210829.5263 <164c (Yutaka Maeda) 20210830.5149 <155c (Yutaka Maeda) 20210831.5086 161:c (Yutaka Maeda) 20210901.2397 16.032zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210901.2399 16.032zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210901.2656 15.868zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210901.2658 15.868zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210903.2442 15.697zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210903.2443 15.697zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210903.2834 15.578zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.2405 16.003zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.2406 16.003zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.2870 15.639zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.2872 15.639zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210907.1849 16.011zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210907.1851 16.011zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210907.2999 16.231zr (Zwicky Transient Facility Lasair (Masci+ 2019))

1 0

[vsnet-newvar 8734] ASASSN-14av most likely superoutburst
by Taichi Kato 09 Sep '21

09 Sep '21

ASASSN-14av most likely superoutburst Supercycle about a year (ZTF data). YYYYMMDD(UT) mag observer 20210809.2601 20.565zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210810.6288 <146c (Yutaka Maeda) 20210812.3276 19.767zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210812.3278 19.767zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210814.3113 20.126zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210814.3115 20.126zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210816.3470 20.346zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210821.2774 20.184zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210821.2776 20.184zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210824.3486 19.177zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210827.2218 16.096zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210827.2220 16.096zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210827.2840 16.287zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210827.2841 16.287zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210827.7534 <150c (Yutaka Maeda) 20210829.2441 16.163zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210829.2443 16.163zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210829.2627 16.342zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210829.2628 16.342zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210829.5507 <156c (Yutaka Maeda) 20210831.5332 <152c (Yutaka Maeda) 20210902.2438 16.715zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210902.2808 16.511zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210904.1715 16.805zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210904.1717 16.805zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210904.2142 16.508zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210904.2144 16.508zg (Zwicky Transient Facility Lasair (Masci+ 2019))

1 0

[vsnet-newvar 8733] 1RXS J185310.0+594509 superoutburst
by Taichi Kato 09 Sep '21

09 Sep '21

1RXS J185310.0+594509 superoutburst YYYYMMDD(UT) mag observer 20210829.2269 18.850zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210829.2271 18.850zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210829.5333 <150c (Yutaka Maeda) 20210830.5219 <149c (Yutaka Maeda) 20210831.5156 <156c (Yutaka Maeda) 20210903.3050 18.361zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210903.3052 18.361zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210903.3265 17.899zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210903.3267 17.899zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.2985 14.947zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.3624 15.207zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210906.889 151C (Jeremy Shears) 20210907.2401 14.996zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210907.3014 15.232zr (Zwicky Transient Facility Lasair (Masci+ 2019))

1 0

[vsnet-newvar 8732] ASASSN-15hv: likely SU UMa star
by Taichi Kato 08 Sep '21

08 Sep '21

ASASSN-15hv: likely SU UMa star ASAS-SN data: https://asas-sn.osu.edu/sky-patrol/coordinate/e5b3b12e-5e6b-4809-a69d-7015a… Superoutburst in 2015 Sep. + precursor + rebrightening. Other normal outbursts were also present. Bright (13.8 at max) and overlooked DN.

1 0

[vsnet-newvar 8731] CRTS J022732.9+130617 refined period
by Taichi Kato 08 Sep '21

08 Sep '21

CRTS J022732.9+130617 refined period Porb=0.1577987(1) d from ZTF data. Eclipses 3 mag deep. Hump not apparent.

1 0

[vsnet-newvar 8730] 3XMMJ000511.8+634018 refined period
by Taichi Kato 08 Sep '21

08 Sep '21

3XMMJ000511.8+634018 refined period Polar with two poles. Porb=0.0927005(2) d from ZTF data.

1 0

[vsnet-newvar 8729] 1RXS J073346.0+261933 period
by Taichi Kato 08 Sep '21

08 Sep '21

1RXS J073346.0+261933 period P=0.1394770(10) d from ZTF data. One maximum in one orbital cycle.

1 0

[vsnet-newvar 8728] OT J231110.9+013003 likely superoutburst
by Taichi Kato 08 Sep '21

08 Sep '21

OT J231110.9+013003 likely superoutburst Long-lasting and slowly fading outburst. Large outburst amplitude. Time-resolved photometry is encouraged. YYYYMMDD(UT) mag observer 20210803.6893 <157c (Yutaka Maeda) 20210805.7608 <166c (Yutaka Maeda) 20210827.8169 142cG (Yutaka Maeda) 20210828.3387 14.899zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210828.3673 14.559zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210828.5598 143cG (Yutaka Maeda) 20210829.2823 14.987zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.3153 15.355zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.3738 15.604zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210906.2940 15.639zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210906.3376 15.494zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210907.2633 15.547zg (Zwicky Transient Facility Lasair (Masci+ 2019))

1 0

[vsnet-newvar 8727] SDSS J172102.48+273301.2 (AM CVn) dip after short superoutburst
by Taichi Kato 08 Sep '21

08 Sep '21

SDSS J172102.48+273301.2 (AM CVn) dip after short superoutburst YYYYMMDD(UT) mag observer 20210831.2081 19.372zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210903.2167 16.261zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.2264 16.557zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210905.2765 16.267zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210907.1802 18.617zg (Zwicky Transient Facility Lasair (Masci+ 2019))

1 0

[vsnet-newvar 8726] MGAB-V258 possible superoutburst
by Taichi Kato 08 Sep '21

08 Sep '21

MGAB-V258 possible superoutburst YYYYMMDD(UT) mag observer 20210823.4701 19.445zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210825.4670 20.335zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210827.4496 20.419zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210827.4498 20.419zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210902.4561 17.734zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210902.4838 17.537zr (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210904.4502 17.657zg (Zwicky Transient Facility Lasair (Masci+ 2019)) 20210904.4504 17.657zg (Zwicky Transient Facility Lasair (Masci+ 2019))

1 0