HD 93083
| Data pengamatan Epos J2000 Ekuinoks J2000 | |
|---|---|
| Rasi bintang | Antlia |
| Asensio rekta | 10j 44m 20.9149d[1] |
| Deklinasi | –35° 34′ 37.279″[1] |
| Magnitudo tampak (V) | 8.33[1] |
| Ciri-ciri | |
| Kelas spektrum | K2IV-V[1] |
| Indeks warna B−V | 0.945 |
| Astrometri | |
| Kecepatan radial (Rv) | 41.7 ±2[1] km/s |
| Gerak diri (μ) | RA: -92.84 ±1.07[1] mdb/thn Dek.: -151.12 ±0.8[1] mdb/thn |
| Paralaks (π) | Error in {{val}}: parameter 1 is not a valid number. mdb |
| Jarak | 94.2 tc (28.9 pc) |
| Magnitudo mutlak (MV) | 6.03 |
| Detail | |
| Massa | 0.7 ±0.04 M☉ |
| Radius | 1.03 R☉ |
| Luminositas | 0.4 L☉ |
| Suhu | 4995 K |
| Metalisitas | 0.15 ±0.06 |
| Usia | 6×109 tahun |
| Penamaan lain | |
| Referensi basis data | |
| SIMBAD | data |
| ARICNS | data |
| Extrasolar Planets Encyclopaedia | data |
HD 93083 adalah bintang bermagnitudo tingkat 8 yang berada pada jarak 94 tahun cahaya di selatan rasi Antlia. Bintang ini merupakan bintang katai jingga tipe K2V, yang kurang cemerlang daripada Matahari.[1]
Planet
Pada tahun 2005, penemuan planet yang mengorbit bintang ini telah diumumkan.
| Nama[2] | Massa (MY) |
Periode orbit (hari) |
Aksis semimayor (AU) |
Eksentrisitas |
|---|---|---|---|---|
| b | 0.37[3] | 143.58 ± 0.60 | 0.477 | 0.14 ± 0.03 |
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Referensi
- ^ a b c d e f g h i j "SIMBAD query result: NLTT 25207 -- High proper-motion Star". SIMBAD. Centre de Données astronomiques de Strasbourg. Diarsipkan dari asli tanggal 2016-03-03. Diakses tanggal 2009-05-22.
- ^ Lovis; Mayor, M.; Bouchy, F.; Pepe, F.; Queloz, D.; Santos, N. C.; Udry, S.; Benz, W.; Bertaux, J.-L.; et al. (2005). "The HARPS search for southern extra-solar planets III. Three Saturn-mass planets around HD 93083, HD 101930 and HD 102117". Astronomy and Astrophysics. 437: 1121–1126. doi:10.1051/0004-6361:20052864. Diarsipkan dari asli tanggal 2021-02-21. Diakses tanggal 2010-09-30. ;
- ^ McArthur; et al. (2010). "New Observational Constraints on the υ Andromedae System with Data from the Hubble Space Telescope and Hobby Eberly Telescope" (PDF). Diarsipkan dari asli (PDF) tanggal 2011-06-10. Diakses tanggal 2010-09-30. ; ;
Pranala luar
- "HD 93083". Extrasolar Visions. Diarsipkan dari asli tanggal 2011-06-05. Diakses tanggal 2010-09-30.
- Image HD 93083
- "HD 93083". Exoplanets. Diarsipkan dari asli tanggal 2012-05-13. Diakses tanggal 2009-05-22.
Koordinat:
10h 44m 20.9149s, −35° 34′ 37.279″
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