7 Piscium

7 Piscium
Data pengamatan; Epos J2000.0 Ekuinoks J2000.0
Rasi bintang	Pisces
Asensio rekta	23j 20m 20.58314d
Deklinasi	5° 22′ 52.7012″
Magnitudo tampak (V)	5.069
Ciri-ciri
Kelas spektrum	K1 IV
Indeks warna U−B	+1.12
Indeks warna B−V	+1.20
Astrometri
Gerak diri (μ)	RA: 78.47 mdb/thn ; Dek.: −60.00 mdb/thn
Paralaks (π)	7,54±0,40 mdb
Jarak	430 ± 20 tc ; (133 ± 7 pc)
Detail
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.

Artikel bertopik bintang ini adalah sebuah rintisan. Anda dapat membantu Wikipedia dengan mengembangkannya.

[HIP-1] 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.

[TYC2-2] 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.

[HD-3] 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.

[UBVRI-4] Johnson, H. L. (1966). "UBVRIJKL Photometry of the Bright Stars". Communications of the Lunar and Planetary Laboratory. 4: 99. Bibcode:1966CoLPL...4...99J.

[Prugniel2011-5] 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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Data pengamatan Epos J2000.0 Ekuinoks J2000.0
Rasi bintang	Pisces
Asensio rekta	23^j 20^m 20.58314^d^[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