Discovery certificate for object 2003mj
TNS Astronomical Transient Report No. 94065 [ 2020TNSTR3939....1R ]

Date Received (UTC): 2020-12-28 09:57:34
Sender: Mr. Richard Nowell
Reporting Group: None     Discovery Data Source: None

Sami Ruohonen report/s the discovery of a new astronomical transient.

IAU Designation: AT 2003mj
Coordinates (J2000): RA = 10:22:48.646 (155.702693) DEC = +12:08:15.95 (12.137764)
Discovery date: 2003-12-21 10:27:51.000 (JD=2452994.9360069)

Potential host galaxy: 2MASX J10224814+1208136
Host redshift: 0.045662

Remarks: This transient was first discovered by Sami Ruohonen on the Spiral Graph website here: https://www.zooniverse.org/projects/astro-lab-ncmns/spiral-graph/talk/subjects/51782211 .

Photometry

Discovery (first detection):
Discovery date: 2003-12-21 10:27:51.000
Flux: 19.41 ABMag
Filter: r-Sloan
Instrument: SDSS-Spec
Telescope: Sloan Digital Sky Survey

Remarks: The r-band Apparent magnitude was taken from the SDSS DR14 here: http://skyserver.sdss.org/dr14/en/tools/explore/Summary.aspx?id=1237664104707326104. The r-band Absolute magnitude of -17.18 was also calculated.

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://www.wis-tns.org/object/2003mj