Discovery certificate for object 2004iw
TNS Astronomical Transient Report No. 55078 [ 2019TNSTR2645....1T ]

Date Received (UTC): 2019-12-19 23:47:47
Sender: Ms. Ine Theunissen
Reporting Group: None     Discovery Data Source: None

Ine Theunissen-Limpens report/s the discovery of a new astronomical transient.

IAU Designation: AT 2004iw
Coordinates (J2000): RA = 13:42:39.184 (205.663264717) DEC = +29:57:09.19 (29.952553695)
Discovery date: 2004-05-12 07:26:36.000 (JD=2453137.8101389)

Potential host galaxy: NGC 5277
Host redshift: 0.0397

Remarks: This transient was first observed by Ine Theunissen on the Galaxy Zoo website here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/1268/1196979. Melinda Thévenot also took part in the discussion. In the SDSS database, the transient is categorised as a star. However, in a later survey DECaLS, no star is visible.

Photometry

Discovery (first detection):
Discovery date: 2004-05-12 07:26:36.000
Flux: 19.91 ABMag
Filter: r-Sloan
Instrument: SDSS-Spec
Telescope: Sloan Digital Sky Survey

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2004iw