Discovery certificate for object 2021dju
TNS Astronomical Transient Report No. 100038 [ 2021TNSTR.533....1S ]

Date Received (UTC): 2021-02-20 03:41:15
Sender: Prof. 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 2021dju
Discoverer internal name: ASASSSN-21bu
Coordinates (J2000): RA = 05:03:30.288 (75.8762) DEC = -58:11:49.60 (-58.19711)
Discovery date: 2021-02-19 22:19:12.000 (JD=2459265.43)

Potential host galaxy: WISEA J050330.45-581147.5

Remarks: Present in several epochs, on the rise, in TESS field of view, unknown redshift host

Photometry

Discovery (first detection):
Discovery date: 2021-02-19 22:19:12.000
Flux: 17.8 ABMag
Filter: g-Sloan
Instrument: Payne-Gaposchkin
Telescope: ASASSN-Payne-Gaposchkin

Last non-detection:
Last non-detection date: 2021-02-09 21:07:12
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/2021dju