UCG 8521, Barred Spiral Galaxy; Supernova 2002 ca

Barred Spiral Galaxy UCG 8521 - Supernova 2002 ca

Galaxy UGC 8521 and Supernova 2002 ca
Image taken with an ST-9E CCD camera thru Kopernik's 20 inch F/8.1 telescope. Image taken at 5:45 UT on May 4, 2002. The field of view is 8x8 arc minutes.

Supernova 2002 ca:

Discovered April 3rd, 2002 by Tim Puckett and B. Kerns; and LOTOSS supernova group.
Magnitude 17.3 at discovery
Type: II (uncertain)
The supernova is magnitude 17.37 in the Kopernik image.

Follow this Link to a NASA Web site on supernovas. It has a very nice animation and a description of what these objects are.

Spiral Galaxy UCG 8521:

Barred Spiral Galaxy UGC 8521 is in the constellation of Virgo. This galaxy exhibits both an excess of ultraviolet light and infrared light.

Based on the published red shift, (and a Hubble Constant of 62 Km/sec per Mpc) a rough distance estimate for UGC 8521 is 172 million light years, with a diameter of about 60,160 light years.

UCG 8521
Magnitude: 14.08
Constellation: Virgo
RA: 13h 32m 30.9s
Dec: +01° 50' 49" Epoch 2000
Size (mins): 1.2' x 1.0'
Classification: (R)SB(r)ab pec; Barred Spiral Galaxy, Pseudo Outer Ring, peculiar

Click below to

George Normandin, KAS

May 4th, 2002