HD 188385
HD 188385
| Ascension droite | 19h 54m 40,200 01s[1] |
|---|---|
| Déclinaison | +07° 08′ 25,264 7″[1] |
| Constellation | Aigle |
| Magnitude apparente | 6,15[2] |
Localisation dans la constellation : Aigle | |
| Type spectral | A2V[3] |
|---|---|
| Indice U-B | +0,04[2] |
| Indice B-V | +0,03[2] |
| Vitesse radiale | −16 km/s[4] |
|---|---|
| Mouvement propre |
μα = +28,60 mas/a[1] μδ = −0,56 mas/a[1] |
| Parallaxe | 12,23 mas[1] |
| Distance | ∼ 267 a.l. (∼ 81,9 pc) |
| Luminosité | 20 L☉[5] |
|---|---|
| Température | 8 839 K[5] |
| Rotation | 118 km/s[6] |
Désignations
HD 188385 est une étoile de type A située dans la constellation de l'Aigle.
Notes et références
Notes
- (en) Cet article est partiellement ou en totalité issu de l’article de Wikipédia en anglais intitulé « HD 188385 » (voir la liste des auteurs).
Références
- F. van Leeuwen, « Validation of the new Hipparcos reduction », Astronomy and Astrophysics, , p. 653–664 (DOI 10.1051/0004-6361:20078357, Bibcode 2007A&A...474..653V, arXiv 0708.1752, S2CID 18759600)
- B. Nicolet, « Photoelectric photometric Catalogue of homogeneous measurements in the UBV System », Astronomy and Astrophysics Supplement Series, , p. 1–49 (Bibcode 1978A&AS...34....1N)
- ↑ A. Cowley et al., « A study of the bright A stars. I. A catalogue of spectral classifications », Astronomical Journal, , p. 375–406 (DOI 10.1086/110819, Bibcode 1969AJ.....74..375C)
- ↑ R. E. Wilson, « General Catalogue of Stellar Radial Velocities », Carnegie Institute Washington D.C. Publication, (Bibcode 1953GCRV..C......0W)
- I. McDonald et al., « Fundamental Parameters and Infrared Excesses of Hipparcos Stars », Monthly Notices of the Royal Astronomical Society, , p. 343–57 (DOI 10.1111/j.1365-2966.2012.21873.x, Bibcode 2012MNRAS.427..343M, arXiv 1208.2037, S2CID 118665352)
- ↑ F. Royer, J. Zorec et A. E. Gómez, « Rotational velocities of A-type stars. III. Velocity distributions », Astronomy and Astrophysics, , p. 671–682 (DOI 10.1051/0004-6361:20065224, Bibcode 2007A&A...463..671R, arXiv astro-ph/0610785, S2CID 18475298)
Liens externes
- Ressource relative à l'astronomie :
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