AS 314
bintang yang terletak di rasi bintang Scutum
AS 314, juga dikenal sebagai V452 Scuti, adalah bintang hiper raksasa putih dan kandidat variabel biru bercahaya yang terletak di konstelasi dari Scutum. AS 314 memiliki magnitudo 9,85 dan dapat dilihat dengan teleskop kecil.
Data pengamatan Epos J2000 Ekuinoks J2000 | |
---|---|
Rasi bintang | Scutum |
Asensio rekta | 18j 39m 26.10612d[1] |
Deklinasi | -13° 50′ 47.1892″[1] |
Magnitudo tampak (V) | 9.85[2] |
Ciri-ciri | |
Kelas spektrum | A0Ia+[3] |
Indeks warna U−B | +0.12[2] |
Indeks warna B−V | +0.89[2] |
Jenis variabel | cLBV[4] |
Astrometri | |
Kecepatan radial (Rv) | −50.00[3] km/s |
Gerak diri (μ) | RA: 1.87[1] mdb/thn Dek.: -9.55[1] mdb/thn |
Paralaks (π) | 429±1,68[1] mdb |
Jarak | 8,000[5] pc |
Magnitudo mutlak (MV) | −8.0[3] |
Detail | |
Luminositas | 79,400[5] L☉ |
Suhu | 10,200[5] K |
Penamaan lain | |
Referensi basis data | |
SIMBAD | data |
Referensi
- ^ a b c d e Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752 . Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- ^ a b c Kozok, J. R. (1985). "Photometric observations of emission B-stars in the southern Milky Way". Astronomy and Astrophysics Supplement Series. 61: 387. Bibcode:1985A&AS...61..387K.
- ^ a b c Miroshnichenko, A. S.; Chentsov, E. L.; Klochkova, V. G. (2000). "AS?314: A dusty A?type hypergiant" (PDF). Astronomy and Astrophysics Supplement Series. 144 (3): 379. Bibcode:2000A&AS..144..379M. doi:10.1051/aas:2000216.
- ^ Nazé, Y.; Rauw, G.; Hutsemékers, D. (2012). "The first X-ray survey of Galactic luminous blue variables". Astronomy & Astrophysics. 538: A47. arXiv:1111.6375 . Bibcode:2012A&A...538A..47N. doi:10.1051/0004-6361/201118040.
- ^ a b c van Genderen, A.M. (2001). "S Doradus variables in the Galaxy and the Magellanic Clouds". Astronomy & Astrophysics. 366 (2): 508–531. Bibcode:2001A&A...366..508V. doi:10.1051/0004-6361:20000022 .