7 Piscium
| Data pengamatan Epos J2000.0 Ekuinoks J2000.0 | |
|---|---|
| Rasi bintang | Pisces |
| Asensio rekta | 23j 20m 20.58314d[1] |
| Deklinasi | 5° 22′ 52.7012″[1] |
| Magnitudo tampak (V) | 5.069[2] |
| Ciri-ciri | |
| Kelas spektrum | K1 IV[3] |
| Indeks warna U−B | +1.12[4] |
| Indeks warna B−V | +1.20[4] |
| Astrometri | |
| Gerak diri (μ) | RA: 78.47[1] mdb/thn Dek.: −60.00[1] mdb/thn |
| Paralaks (π) | 7,54±0,40[1] mdb |
| Jarak | 430 ± 20 tc (133 ± 7 pc) |
| Detail[5] | |
| Gravitasi permukaan (log g) | 1.81 ± 0.28 |
| Suhu | 4314 ± 80 K |
| Metalisitas [Fe/H] | −0.71 ± 0.12 |
| Penamaan lain | |
BD+04 4997, FK5 3871, HD 220009, HIP 115227, SAO 128126, HR 8878 | |
| Referensi basis data | |
| SIMBAD | data |
7 Piscium (7 Psc) merupakan salah satu bintang di rasi Pisces. Bintang ini merupakan bintang dengan tipe K2III dan bermagnitudo 5.05. Bintang ini berada pada 341 tahun cahaya dari Bumi.
Asterisma
Selain rasi Pisces, bintang ini merupakan bagian dari:
| nama rasi / asterisma / kelompok | asal | arti | anggota lainnya |
|---|---|---|---|
| Circlet | Inggris | lingkaran | γ Psc, ι Psc, θ Psc, λ Psc, κ Psc, 19 Psc, 9 Psc |
Referensi
- ^ a b c d e van Leeuwen, F.; et al. (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.
- ^ Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27 – L30. Bibcode:2000A&A...355L..27H.
- ^ Houk, N.; Swift, C. (1999). "Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5". Michigan Spectral Survey. 5. Bibcode:1999MSS...C05....0H.
- ^ a b Johnson, H. L. (1966). "UBVRIJKL Photometry of the Bright Stars". Communications of the Lunar and Planetary Laboratory. 4: 99. Bibcode:1966CoLPL...4...99J.
- ^ Prugniel, Ph.; et al. (July 2011), "The atmospheric parameters and spectral interpolator for the MILES stars", Astronomy & Astrophysics, 531: A165, arXiv:1104.4952, Bibcode:2011A&A...531A.165P, doi:10.1051/0004-6361/201116769.
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