Discovery certificate for object 2004iy
TNS Astronomical Transient Report No. 64801 [ 2020TNSTR.857....1L ]

Date Received (UTC): 2020-03-23 13:44:39
Sender: Mr. Richard Nowell
Reporting Group: None     Discovery Data Source: None

Baltasar Llarena report/s the discovery of a new astronomical transient.

IAU Designation: AT 2004iy
Coordinates (J2000): RA = 14:48:15.359 (222.063995) DEC = +26:16:56.76 (26.282434)
Discovery date: 2004-05-12 08:25:43.000 (JD=2453137.8511921)

Potential host galaxy: SDSS J144815.88+261704.8
Host redshift: 0.051622

Remarks: This transient was first observed by Baltasar Llarena (aka EnceladusMoon) on the Galaxy Zoo website here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/subjects/40350288. Christine Macmillan, Sam Deen (aka planetaryscience) and Ine Theunissen also took part in the discussion.

Photometry

Discovery (first detection):
Discovery date: 2004-05-12 08:25:43.000
Flux: 20.99 ABMag
Filter: r-Sloan
Instrument: SDSS-Spec
Telescope: Sloan Digital Sky Survey

Remarks: The r-band Apparent magnitude was calculated by Richard Nowell using APT and reference star: SDSS J144810.42+261656.7 http://skyserver.sdss.org/dr14/en/tools/explore/Summary.aspx?id=1237665350782681219. The r-band Absolute magnitude of -15.79 was also calculated.

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://www.wis-tns.org/object/2004iy