NGC 7006
NGC 7006 (dikenal juga dengan Caldwell 42) adalah sebuah gugus bola[2] di rasi bintang Delphinus. NGC 7006 terletak di lapisan luar galaksi Bimasakti. Gugus ini berjarak sekitar 135,000[6] tahun cahaya dari bumi, lima kali jarak dari matahari ke pusat galaksi.
| NGC 7006 | |
|---|---|
 | |
| Data pengamatan (J2000 epos) | |
| Kelas | I[1] |
| Rasi bintang | Delphinus |
| Asensio rekta | 21j 1m 29.4d[2] |
| Deklinasi | +16° 11′ 14.4″[2] |
| Jarak | 137 ktc[3] |
| Magnitudo tampak (V) | 10.6[4] |
| Dimensi tampak (V) | 2.8′[4] |
| Karakteristik fisik | |
| Massa | 3,03×105[5] M☉ |
| Metalisitas | = –1.52[5] dex |
| Nama lain | Caldwell 42 |
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Galeri
sunting-
Foto NGC 7006.
Referensi
sunting- ^ Shapley, Harlow; Sawyer, Helen B. (1927), "A Classification of Globular Clusters", Harvard College Observatory Bulletin (849): 11–14, Bibcode:1927BHarO.849...11S
- ^ a b c "SIMBAD Astronomical Database". Results for NGC 7006. Diakses tanggal 2007-04-21.
- ^ Hessels, J. W. T.; et al. (2007), "A 1.4 GHz Arecibo Survey for Pulsars in Globular Clusters", The Astrophysical Journal, 670 (1): 363–378, arXiv:0707.1602
, Bibcode:2007ApJ...670..363H, doi:10.1086/521780.
- ^ a b "SEDS NGC Catalog Online". Results for NGC 7006. Diakses tanggal 2010-11-27.
- ^ a b Boyles, J.; et al. (2011), "Young Radio Pulsars in Galactic Globular Clusters", The Astrophysical Journal, 742 (1): 51, arXiv:1108.4402 , Bibcode:2011ApJ...742...51B, doi:10.1088/0004-637X/742/1/51.
- ^ "A Remote Outpost of the Milky Way". ESA/Hubble Picture of the Week. 12 September 2011. Diakses tanggal 13 September 2011.
