Kappa Crucis
Kappa Crucis | ||||
![]() | ||||
Die middel van NGC 4755, met | ||||
Sterrebeeld | Suiderkruis | |||
Spektraaltipe | B3 Ia[1] | |||
Soort | Dubbelster | |||
Waarnemingsdata (Epog J2000) | ||||
Regte klimming | 12h 53m 48.91920s[2] | |||
Deklinasie | -60° 22′ 34.4808″[2] | |||
Skynmagnitude (m) | 5,98[3] | |||
Absolute magnitude (M) | -7,1[4] | |||
B-V-kleurindeks | +0,22[3] | |||
U-B-kleurindeks | -0,58[3] | |||
Besonderhede | ||||
Massa (M☉) | 23[5] | |||
Ligsterkte (L☉) | 151 000 | |||
Temperatuur (K) | 16 300 | |||
Afstand (ligjaar) | 8 500 | |||
Rotasiespoed (km/s) | 70 | |||
Ander name | ||||
CD−59°4460, HD 111973, HIP 62931, HR 4890, SAO 252077, 2MASS J12534890-6022344 | ||||
|
Kappa Crucis (ook onder meer
Ligging
[wysig | wysig bron]![](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c3/A_Snapshot_of_the_Jewel_Box_cluster_with_the_ESO_VLT.jpg/200px-A_Snapshot_of_the_Jewel_Box_cluster_with_the_ESO_VLT.jpg)
Die swerm, en dus
Eienskappe
[wysig | wysig bron]Verwysings
[wysig | wysig bron]- ↑ Prinja, R. K.; Massa, D. L. (October 2010), "Signature of wide-spread clumping in B supergiant winds", Astronomy and Astrophysics 521: 4, doi:10.1051/0004-6361/201015252, L55, Bibcode: 2010A&A...521L..55P.
- ↑ 2,0 2,1 van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, doi:10.1051/0004-6361:20078357, Bibcode: 2007A&A...474..653V.
- ↑ 3,0 3,1 3,2 Dachs, J.; Kaiser, D. (November 1984), "UBV photometry of the southern galactic cluster NGC 4755 = Kappa Crucis", Astronomy and Astrophysics Supplement Series 58: 411–429, Bibcode: 1984A&AS...58..411D.
- ↑ Humphreys, R. M. (1978). "Studies of luminous stars in nearby galaxies. I. Supergiants and O stars in the Milky Way". Astrophysical Journal. 38: 309. Bibcode:1978ApJS...38..309H. doi:10.1086/190559.
- ↑ Dufton, P. L. et al. (2006), "The VLT-FLAMES survey of massive stars: Stellar parameters and rotational velocities in NGC 3293, NGC 4755 and NGC 6611", Astronomy and Astrophysics 457: 265–280, doi:10.1051/0004-6361:20065392, Bibcode: 2006A&A...457..265D.
- ↑ Kharchenko, N. V.; Piskunov, A. E.; Röser, S.; Schilbach, E.; Scholz, R.-D. (2004). "Astrophysical supplements to the ASCC-2.5. II. Membership probabilities in 520 Galactic open cluster sky areas". Astronomische Nachrichten. 325 (9): 740–748. Bibcode:2004AN....325..740K. doi:10.1002/asna.200410256.
- ↑ Chini, R.; Hoffmeister, V. H.; Nasseri, A.; Stahl, O.; Zinnecker, H. (2012). "A spectroscopic survey on the multiplicity of high-mass stars". Monthly Notices of the Royal Astronomical Society. 424 (3): 1925–1929. arXiv:1205.5238. Bibcode:2012MNRAS.424.1925C. doi:10.1111/j.1365-2966.2012.21317.x.
- ↑ Aidelman, Y.; Cidale, L. S.; Zorec, J.; Arias, M. L. (2012). "Open clusters. I. Fundamental parameters of B stars in NGC 3766 and NGC 4755". Astronomy & Astrophysics. 544: A64. Bibcode:2012A&A...544A..64A. doi:10.1051/0004-6361/201219069.
Eksterne skakels
[wysig | wysig bron]- Kappa Crucis op WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen
α , X-Ray, Astrophoto, Sky Map, Artikels en foto's Hierdie artikel is vertaal uit die Engelse Wikipedia