TNS Astronomical Transient Report No. 112985 [ 2021TNSTR1989....1S ]

Date Received (UTC): 2021-06-10 19:54:30
Date made public:
Sender: Krzysztof Stanek
Reporting Group: ASAS-SN     Discovery Data Source: ASAS-SN

K. Z. Stanek, for the ASAS-SN team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2021pjn
Discoverer internal name: ASASSN-21ko
Coordinates (J2000): RA = 19:19:19.363 (289.83068) DEC = -58:31:41.30 (-58.52814)
Discovery date: 2021-06-10 02:09:36.000 (JD=2459375.59)


Remarks: Present in several epochs, on the rise, anonymous host galaxy

Photometry

Discovery (first detection):
Discovery date: 2021-06-10 02:09:36.000
Flux: 17.3 ABMag
Filter: g-Sloan
Instrument: Paczynski
Telescope: ASASSN-Paczynski

Last non-detection:
Last non-detection date: 2021-06-04 23:16:48
Limiting flux: 18.6 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin


Details of the new object can be viewed here: https://www.wis-tns.org/object/2021pjn