NGC 7716 is an intermediate spiral galaxy located in the constellation Pisces. Its speed relative to the cosmic microwave background is 2,201 ± 26 km/s, which corresponds to a Hubble distance of 32.5 ± 2.3 Mpc (∼106 million ly).[1] NGC 7716 was discovered by British astronomer John Herschel in 1831.[2]
| NGC 7716 | |
|---|---|
 NGC 77116, as seen by the Hubble Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Pisces |
| Right ascension | 23h 36m 30s |
| Declination | +00° 17’ 50” |
| Apparent magnitude (B) | 12.9 |
| Surface brightness | 22.75 mag/arcsec2 |
| Characteristics | |
| Type | SAb |
| Other designations | |
| PGC 71883, UGC 12702, MCG 0-60-19, CGCG 381-13, IRAS 23339+0001 | |
The luminosity class of NGC 7716 is II and it has a broad HI line.[3] According to the SIMBAD database, NGC 7716 is a candidate galaxy for the active galaxy classification.[4]
To date, twelve non-redshift measurements give a distance of 32.442 ± 5.854 Mpc (∼106 million ly), which is within the Hubble distance values.[5]
NGC 7716 group
editNGC 7716 is a member of a galaxy group of the same name. NGC 7716 group contains 5 members. The other galaxies in this group are NGC 7714, NGC 7715, UGC 12690 and UGC 12709.[6]
See also
editExternal links
editReferences
edit- ^ "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-10.
- ^ "New General Catalog Objects: NGC 7700 - 7749". cseligman.com. Retrieved 2024-07-10.
- ^ "By Name | NASA/IPAC Extragalactic Database". ned.ipac.caltech.edu. Retrieved 2024-07-10.
- ^ "NGC_7716". simbad.u-strasbg.fr. Retrieved 2024-07-10.
- ^ "NED Query Results for NGC 7716". ned.ipac.caltech.edu. Retrieved 2024-07-10.
- ^ Garcia, A. M. (1993-07-01). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47–90. ISSN 0365-0138.