NGC4900 Galaxy in Virgo
| DATE | 27 Apr 2016 |
| TELESCOPE OPTICS | 508 mm mirror f.4 . ccd
Kodak KAF8300
3326 x 2504px 5.4 x 5.4µm |
| EXPOSURE | binning 1: composite image, 11 min |
| IMAGE SIZE (ARCMIN) | 28.5 |
| LIGHT TRAVEL TIME (Derived Redshift. Millions Light Years) | NGC4900 =
57 SDSS J130029.69+022449.9 = 1104 SDSS J130031.45+023242.0 = 2479 2MASX J13005576+0235172 = 988 2MASX J13002993+0231232 = 867 |
| MAGNITUDE | NGC4900 = 12.2g SDSS J130029.69+022449.9 = 18.1g SDSS J130031.45+023242.0 = 18.8g 2MASX J13005576+0235172 = 17.2g 2MASX J13002993+0231232 = 17.2g |
| POSITION RA-DEC J2000 | NGC4900 = 13:00:39.10 +02:30:05.0 SDSS J130029.69+022449.9 = 13:00:29.70 +02:24:50.0 SDSS J130031.45+023242.0 = 13:00:31.40 +02:32:42.0 2MASX J13005576+0235172 = 13:00:55.70 +02:35:18.0 2MASX J13002993+0231232 = 13:00:29.90 +02:31:24.0 |
| POSITION ANGLE: | 211 |
| Rotation Velocity km/s | 129 max |
| Size (Light Years) | 59,000 (POSS1 103a-O) |
| DETAILS | NGC4900 is classed as a barred spiral galaxy where supernova SN 1999br occurred. This seems to be quite a compact object in optical wavelengths and at the H1 radio band line of 21cms making it appear hot and luminous. |
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