Messier 53
|
Globular cluster Messier 53 |
|
|---|---|
.jpg)
|
|
| SDSS | |
| AladinLite | |
| Constellation | Berenike's hair |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 12 m 55.2 s |
| declination | + 18 ° 10 ′ 09 ″ |
| Appearance | |
| Concentration class | V |
| Brightness (visual) | 7.7 likes |
| Brightness (B-band) | 8.95 likes |
| Angular expansion | 12.6 ′ |
|
Color excess E (BV) (redness) |
about 0.02 to 0.08 |
| Physical data | |
| Affiliation | Milky Way , galactic halo |
| Integrated spectral type | F6 |
| Redshift | −0.000199 ± 0.000026 |
| distance | 60 kLj (18 kpc ) |
| Concentration lg (r t / r c ) | 1.78 |
| Age | 13.25 ± 0.50 billion years |
| Metallicity [Fe / H] | approx. −2 |
| history | |
| discovery | JE Bode |
| Discovery date | February 3, 1775 |
| Catalog names | |
| M 53 • NGC 5024 • C 1310 + 184 • GCl 22 • | |
Messier 53 (also known as NGC 5024 ) is a galactic globular cluster in the constellation Coma Berenices with an apparent dimension of 13 ′ and an apparent magnitude of 7.7 mag. By analyzing the RR Lyrae variables in M53, a distance of around 18 kpc (approx. 60 kLj) was determined, its diameter is around 200 light years.
High-resolution image of the spherical cluster center, created with the help of the Hubble space telescope
Web links
Commons : Messier 53 - album with pictures, videos and audio files
- Spektrum.de : Amateur recordings [1]
Individual evidence
- ↑ NASA / IPAC EXTRAGALACTIC DATABASE
- ^ NED data for the Messier Objects
- ↑ SEDS : NGC 5024
- ↑ a b c SIMBAD
- ↑ Messier 53
- ↑ Seligman
- ↑ SuW 04.2016 p. 62f
