RA/DEC (2000)
05:55:20.970 +14:10:10.10
88.837375 +14.169472
Type
---
Redshift
Reporting Group
AHTS
Discovering Data Source
AHTS
Discovery Date
2020-11-25 08:39:24.000
TNS AT
Y
Public
Y
Discovery Mag
14.9
Filter
Clear-
Reporter/s
M. Forslund, B. Forslund

Light curves

 Other_Other_Clear
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
No Data
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- Other_Other 2020-11-16 09:46:46 - 2020-11-25 08:39:24 2459169.9074769 - 2459178.8606944 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
174416 2020-11-25 08:39:24 2459178.8606944 14.9 0.2 18.6 Other Clear- Other_Other 30 M. Forslund 3 frames taken with a 0.36-m f/2.2 astrograph + CCD; zero points calibrated to UCAC-4 magnitudes.
174415 2020-11-16 09:46:46 2459169.9074769 18.3 Other Clear- Other_Other 30 M. Forslund [Last non detection] 3 frames taken with a 0.36-m f/2.2 astrograph + CCD; zero points calibrated to UCAC-4 magnitudes.
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
90716 2020-11-25 17:08:10 MIKE FORSLUND M. Forslund,B. Forslund et al. AHTS AHTS 05:55:20.970 +14:10:10.10 2020-11-25 08:39:24.000 14.9 Clear- PSN AHTS-2020-003 AHTS Hostless transient at galactic latitude -5.6 deg, galactic longitude 193.9; possible CV. 2020TNSTR3557....1F N
Related files
File Comments Last Modified (UT) Modified By
tns_2020aaxi_atrep_90716_AHTS.png Discovery and reference images 2020-11-25 17:08:11 MIKE FORSLUND
No Data

Comments

Patrick
Schmeer

Previous outbursts recorded (URAT1 catalog, ASAS-SN Sky Patrol)

The progenitor is PSO J055520.947+141010.372 at position end figures 20.95s in RA and 10.3" in DE (equinox J2000.0; gmag. 22.0, rmag. 21.5, imag. 21.1, zmag. 21.5); another designation is GSC2.3 N9K6001460 (Bjmag. 21.6). A previous outburst is recorded in 'The First U.S. Naval Observatory Robotic Astrometric Telescope Catalog' (URAT1 521-057444): mag. 15.7 on 2014 February 18. The current outburst has also been recorded by the ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K): 2020 November 23.328 UT, fainter than gmag. 17.0; 25.402, gmag. 14.94. Previous outbursts had been observed on 2018 March 29 (Vmag. 14.9) and September 15 (gmag. 15.9); complete light curve and data at https://asas-sn.osu.edu/light_curves/04a8f61e-a85d-4562-9a5a-d5ef491b03…