HD 59890
HD 59890 je zvezda tipa G3Ib[3] (rumena nadorjakinja) v ozvezdju Krme. Njena navidezna magnituda je 4,65,[2] od nas pa je sodeč po njeni paralaksi oddaljena približno 1500 svetlobnih let.[1]
  | |
| Opazovalni podatki Epoha J2000 Enakonočje J2000 | |
|---|---|
| Ozvezdje | Krma |
| Rektascenzija | 07h 30m 42,60231s[1] |
| Deklinacija | -30° 57′ 44,2137″[1] |
| Navidezni sij (V) | 4,65[2] |
| Značilnosti | |
| Spektralni razred | G3Ib[3] |
| U−B Barvni indeks | +0,63[2] |
| B−V Barvni indeks | +0,93[2] |
| Astrometrija | |
| Radialna hitrost (Rv) | +14,80[4] km/s |
| Lastno gibanje (μ) | RA: -11,38[1] mas/l Dec.: +0,62[1] mas/l |
| Paralaksa (π) | 2,17 ± 0,24[1] mas |
| Oddaljenost | pribl. 1500 sv. l. (pribl. 460 pc) |
| Absolutni izsev (MV) | -3,64[5] |
| Podrobnosti | |
| Izsev | 3165[5] L☉ |
| Površinska težnost (log g) | 1,37[6] cgs |
| Temperatura | 5.437[6] K |
| Kovinskost [Fe/H] | +0,08[6] dex |
| Tirna hitrost(v sin i) | 9,4[7] km/s |
| Druge oznake | |
| Sklici na podatkovne baze | |
| SIMBAD | podatki |
Sklici uredi
- ↑ 1,0 1,1 1,2 1,3 1,4 1,5 Van Leeuwen, F. (2007). »Validation of the new Hipparcos reduction«. Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
- ↑ 2,0 2,1 2,2 2,3 Ducati, J. R. (2002). »VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system«. CDS/ADC Collection of Electronic Catalogues. 2237. Bibcode:2002yCat.2237....0D.
- ↑ 3,0 3,1 Hoffleit, D.; Warren, W. H. (1995). »VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)«. VizieR On-line Data Catalog: V/50. Originally Published in: 1964BS....C......0H. 5050. Bibcode:1995yCat.5050....0H.
- ↑ Gontcharov, G. A. (2006). »Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system«. Astronomy Letters. 32 (11): 759. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
- ↑ 5,0 5,1 Anderson, E.; Francis, Ch. (2012). »XHIP: An extended hipparcos compilation«. Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. Vizier catalog entry
- ↑ 6,0 6,1 6,2 Earle Luck, R. (2014). »Parameters and Abundances in Luminous Stars«. The Astronomical Journal. 147 (6): 137. Bibcode:2014AJ....147..137L. doi:10.1088/0004-6256/147/6/137.
- ↑ Glebocki, R.; Gnacinski, P. (2005). »VizieR Online Data Catalog: Catalog of Stellar Rotational Velocities (Glebocki+ 2005)«. VizieR On-line Data Catalog: III/244. Originally Published in: 2005csss...13..571G; 2005yCat.3244....0G. 3244. Bibcode:2005yCat.3244....0G. Vizier catalog entry