NGC 4498
| Galaxy NGC 4498 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 31 m 39.5 s |
| declination | + 16 ° 51 ′ 10 ″ |
| Appearance | |
| Morphological type | SAB (s) d / HII |
| Brightness (visual) | 11.9 likes |
| Brightness (B-band) | 12.6 mag |
| Angular expansion | 2.9 ′ × 1.1 ′ |
| Position angle | 133 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo cluster LGG 289 |
| Redshift | 0.005027 ± 0.000013 |
| Radial velocity | 1507 ± 4 km / s |
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Stroke distance v rad / H 0 |
(66 ± 5) x 10 6 ly (20.1 ± 1.4) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | March 21, 1784 |
| Catalog names | |
| NGC 4498 • UGC 7669 • PGC 41472 • CGCG 099-075 • MCG + 03-32-056 • IRAS 12291 + 1707 • KUG 1229 + 171 • 2MASX J12313956 + 1651101 • VCC 1379 • GC 3051 • H III 69 • LDCE 904 NED166 | |
NGC 4498 is a bar-spiral galaxy with extensive star formation regions of the Hubble type SBc in the constellation Haar der Berenike in the northern sky . It is an estimated 66 million light years away from the Milky Way and has a diameter of about 55,000 ly. The galaxy is listed as a member of the Virgo galaxy cluster under catalog number VCC 1379 .
The galaxies NGC 4502 , NGC 4489 , IC 796 , IC 3433 are located in the same area of the sky .
The object was discovered on March 21, 1784 by the astronomer William Herschel with the help of his 18.7 inch reflector telescope.
In the late 20th century, the Windowpane Observatory in Ajo, Arizona USA established an internet registry of names for unnamed galaxies in the universe. NGC 4498 was named "Galaxy Chuck Sohaskey" in honor of Charles "Chuck" Sohaskey , a research scientist , marathon runner, musician, and animator.
Photo from the Hubble Space Telescope
