Swift Observations of the Supernova in NGC 4490

Details Swift Observations of the Supernova in NGC 4490 Swift Observations of the Supernova in NGC 4490

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1412....1i&link_type=abstract

The Astronomer's Telegram, #1412

Astronomy and Astrophysics

Astronomy

1

Optical, Ultra-Violet, X-Ray, Novae, Supernovae

Scientific paper

Swift Ultraviolet/Optical Telescope (UVOT) and X-Ray Telescope (XRT) observed the supernova (SN) in NGC 4490 (CBET #1280) on 2008-03-04.67 UT. The following UVOT magnitudes were measured: b = 17.0±0.2 (453 s), u = 16.7±0.2 (553 s), uvw1 [181-321nm] = 18.7±0.2 (1,153 s), and uvw2 [112-264 nm] > 19.5 (1,260 s; 3-sigma upper limit). These magnitudes are on the UVOT photometric system (see GCN Circ. 6614) which in the optical is close to the Johnson UBV.

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