- 107 Piscium
-
107 Piscium Observation data
Epoch J2000.0 Equinox J2000.0 (ICRS)Constellation Pisces Right ascension 01h 42m 29.7619s[1] Declination +20° 16′ 06.616″[1] Apparent magnitude (V) 5.14 to 5.26[2] Characteristics Spectral type K1V[1] U−B color index +0.49[3] B−V color index +0.84[3] V−R color index 0.5[1] R−I color index +0.43[3] Variable type Suspected[2] Astrometry Radial velocity (Rv) −33.5 ± 0.9[1] km/s Proper motion (μ) RA: −302.14[1] mas/yr
Dec.: −677.46[1] mas/yrParallax (π) 133.92 ± 0.91[1] mas Distance 24.4 ± 0.2 ly
(7.47 ± 0.05 pc)Absolute magnitude (MV) 5.87[4] Details Mass 0.83 (0.80 to 0.89)[5] M☉ Radius 0.80 ± 0.06[6] R☉ Surface gravity (log g) 4.50[4] Luminosity (bolometric) 0.46[4] L☉ Temperature 5242 ± 3.2 [7] K Metallicity [Fe/H] = −0.04[5] Rotational velocity (v sin i) 1[5] km/s Age 6.3 × 109[8] years Other designations Database references SIMBAD data 107 Piscium (107 Psc) is a K-type main sequence star in the constellation of Pisces, about 24.4 light years away from the Earth.[1] It has an apparent visual magnitude which varies between 5.14 and 5.26.[2] The star is somewhat older than our Sun – approximately 6 billion years old.[8]
Visual companions
The star has two visual companions, WDS 01425+2016B and WDS 01425+2016C; C is optical.[10]
Multiple/double star designation: WDS 01425+2016[9] Component Primary Right
ascension (α)
Equinox J2000.0Declination (δ)
Equinox J2000.0Epoch of
observed
separationAngular
distance
from
primaryPosition
angle
(relative
to primary)Apparent
magnitude
(V)Database
referenceB A 01h 42m 29.5s +20° 16′ 33″[11] 1910 19.0″ 248° 11.7 Simbad C A 01h 42m 29.8s +20° 18′ 23″[12] 1924 104.4″ 353° 12.1 Simbad See also
References
- ^ a b c d e f g h i j NSV 600 -- Variable Star, database entry, SIMBAD. Accessed on line September 24, 2008.
- ^ a b c NSV 600, database entry, New Catalogue of Suspected Variable Stars, the improved version, Sternberg Astronomical Institute, Moscow, Russia. Accessed on line September 24, 2008.
- ^ a b c HR 493, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line September 24, 2008.
- ^ a b c HD 10476, catalog entry, Fundamental parameters and elemental abundances of 160 F-G-K stars based on OAO spectrum database, Y. Takeda, CDS ID J/PASJ/59/335; see also Publications of the Astronomical Society of Japan 59, #2 (April 2007), pp. 335–356, Bibcode: 2007PASJ...59..335T.
- ^ a b c HD 10476, database entry, The Geneva-Copenhagen Survey of Solar neighbourhood, J. Holmberg et al., 2007, CDS ID V/117A. Accessed on line November 19, 2008.
- ^ Perrin, M.-N. (1987). "Stellar radius determination from IRAS 12-micron fluxes". Astronomy and Astrophysics 172: 235–240. Bibcode 1987A&A...172..235P.
- ^ Kovtyukh et al.; Soubiran, C.; Belik, S. I.; Gorlova, N. I. (2003). "High precision effective temperatures for 181 F-K dwarfs from line-depth ratios". Astronomy and Astrophysics 411 (3): 559–564. arXiv:astro-ph/0308429. Bibcode 2003A&A...411..559K. doi:10.1051/0004-6361:20031378. http://www.aanda.org/articles/aa/full/2003/46/aa3944/aa3944.html.
- ^ a b Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics". The Astrophysical Journal 687 (2): 1264–1293. Bibcode 2008ApJ...687.1264M. doi:10.1086/591785.
- ^ a b Entry 01425+2016, The Washington Double Star Catalog, United States Naval Observatory. Accessed on line September 24, 2008.
- ^ Entry 01425+2016, The Washington Double Star Catalog, notes, United States Naval Observatory. Accessed on line September 24, 2008.
- ^ BD+19 279B -- Star in double system, database entry, SIMBAD. Accessed on line September 24, 2008.
- ^ BD+19 279C -- Star in double system, database entry, SIMBAD. Accessed on line September 24, 2008.
External links
- SolStation article on 107 Piscium.
Star systems (including brown dwarf systems) within 20–25 light-years from Earth.Fomalhaut (25.1 ± 0.2 ly; 1 star, 1 planet: planet b)‡Beta Hydri (24.4 ± 0.1 ly; 1 star)Xi Boötis (22.1 ± 0.2 ly; 2 stars)Mu Cassiopeiae «Marfak-West» (24.6 ± 0.2 ly; 2 stars)Gliese 892 (21.34 ± 0.04 ly; 1 star) • HR 753 (23.5 ± 0.2 ly; 3 stars) • Gliese 667 (23.6 ± 0.1 ly; 3 stars, 1 planet: planet Cb) • Gliese 33 (24.3 ± 0.2 ly; 1 star) • 107 Piscium (24.4 ± 0.2 ly; 1 star) • TW Piscis Austrini (24.9 ± 0.2 ly; 1 star)‡ • Gliese 673 (25.2 ± 0.2 ly; 1 star)‡QY Aurigae (19.96 ± 0.22 ly; 2 stars)‡ • Gliese 581 (20.4 ± 0.2 ly; 1 star, 4 (6?) planets: planet e • planet b • planet c • planet g? • planet d • planet f?) • Gliese 644/643 (21.05 ± 0.07 ly; 5 stars: Gliese 644 A • Gliese 644 Ba (B) • Gliese 644 Bb (C) • Gliese 643 • Gliese 644 C (D)) • Gliese 317 (29.9 ± 5.5 ly; 1 star: Gliese 317; 1 (2?) planets: planet b • planet c?)‡DQGJ 1221 (19.80 ± 0.30 ly; 1 star)‡DZGliese 223.2 (20.9 ± 0.1 ly; 1 star)2MASS 1507-1627 (23.9 ± 0.1 ly; 1 brown dwarf) • SDSS J1416+13 (25.7 ± 5.5 ly; 2 brown dwarfs)‡ • WISE 1647+5632 (28.1 + 9.4/- 5.6 ly; 1 brown dwarf)‡WISE 1741+2553 (17.9 + 3.3/- 3.1 ly; 1 brown dwarf)‡ • WISE 0254+0223 (19.8 + 7.6/- 4.3 ly; 1 brown dwarf)‡ • 2MASS 0937+2931 (19.97 ± 0.20 ly; 1 brown dwarf)‡ • SIMP J013656.5+093347 (20.9 ± 1.0 ly; 1 brown dwarf)‡ • WISE 1217+1626 (~21.9 ly; 1 brown dwarf)‡ • UGPS J0521+3640 (26.7 + 3.9/- 3.2 ly; 1 brown dwarf)‡WISE 2056+1459 (9.8 + 11.1/- 2.0 ly; 1 brown dwarf)‡ • WISE 1738+2732 (11.1 + 12.7/- 0 ly; 1 brown dwarf)‡ • WISE 0410+1502 (23.2 + 5.2/- 12.7 ly; 1 brown dwarf)‡In left column are stellar classes of primary members of star systems. ‡Distance error margin extends out of declared distance interval. Bold are systems containing at least one component with absolute magnitude of +8.5 or brighter. Italic are systems possibly located within declared distance interval, but probably not.Nearest bright star systems Star systems within 30 light-years from Earth with brightest member's absolute magnitude of +8.5 or brighter.0–10 ly → Sirius (8.58 ± 0.03 ly; 2 stars)Solar System (0 ly; 1 star, 8 planets) • Alpha Centauri (4.365 ± 0.007 ly; 3 stars: Alpha¹ Centauri • Alpha² Centauri • Proxima Centauri (4.242 ± 0.002 ly))Altair (16.69 ± 0.04 ly; 1 star)Procyon (11.44 ± 0.02 ly; 2 stars)Tau Ceti (11.905 ± 0.007 ly; 1 star) • Sigma Draconis «Alsafi» (18.77 ± 0.02 ly; 1 star) • Eta Cassiopeiae «Achird» (19.39 ± 0.05 ly; 2 stars) • e (82 G.) Eridani (19.71 ± 0.02 ly; 1 star, 3 planets: planet b • planet c • planet d) • Delta Pavonis (19.92 ± 0.02 ly; 1 star)Epsilon Eridani (10.480 ± 0.003 ly; 1 star, 2 planets: planet b • planet c) • 61 Cygni (11.40 ± 0.02 ly; 2 stars) • Epsilon Indi (11.81 ± 0.01 ly; 1 star, 2 brown dwarfs) • Groombridge 1618 (15.87 ± 0.04 ly; 1 star) • Omicron² (40) Eridani «Keid» (16.25 ± 0.02 ly; 3 stars) • 70 Ophiuchi (16.64 ± 0.07 ly; 2 stars) • 33 G. Librae (19.12 ± 0.08 ly; 3 stars, 1 brown dwarf) • 36 Ophiuchi (19.40 ± 0.05 ly; 3 stars) • Gliese 783 (19.62 ± 0.04 ly; 2 stars)Pi³ Orionis «Tabit» (26.2 ± 0.2 ly; 1 star) • Chi Draconis (26.22 ± 0.11 ly; 2 stars) • Zeta Tucanae (28.0 ± 0.2 ly; 1 star) • Gamma Leporis (29.3 ± 0.2 ly; 2 stars) • Gamma Pavonis (30.1 ± 0.2 ly; 1 star)‡Beta Hydri (24.4 ± 0.1 ly; 1 star) • Mu Herculis (27.4 ± 0.2 ly; 3 stars)Xi Boötis (22.1 ± 0.2 ly; 2 stars) • Xi Ursae Majoris «Alula Australis» (27.25 ± 0.18 ly; 3 stars, 1 brown dwarf) • Beta Canum Venaticorum «Chara» (27.3 ± 0.2 ly; 1 star) • 61 Virginis (27.8 ± 0.2 ly; 1 star, 3 planets: planet b • planet c • planet d) • Chi¹ Orionis (28.3 ± 0.3 ly; 2 stars) • 41 G. Arae (28.7 ± 0.3 ly; 2 stars) • Beta Comae Berenices (29.9 ± 0.2 ly; 1 star)‡ • Kappa¹ Ceti (29.9 ± 0.2 ly; 1 star)‡ • HR 4523 (30.1 ± 0.2 ly; 2 stars, 1 planet: planet b)‡Mu Cassiopeiae «Marfak-West» (24.6 ± 0.2 ly; 2 stars) • Groombridge 1830 (29.9 ± 0.2 ly; 1 star)‡Delta Eridani «Rana» (29.5 ± 0.3 ly; 1 star)Gliese 892 (21.34 ± 0.04 ly; 1 star) • HR 753 (23.5 ± 0.2 ly; 3 stars) • Gliese 667 (23.6 ± 0.1 ly; 3 stars, 1 planet: planet Cb) • Gliese 33 (24.3 ± 0.2 ly; 1 star) • 107 Piscium (24.4 ± 0.2 ly; 1 star) • TW Piscis Austrini (24.9 ± 0.2 ly; 1 star) • Gliese 673 (25.2 ± 0.2 ly; 1 star) • Gliese 884 (26.6 ± 0.3 ly; 1 star) • p Eridani (26.6 ± 0.3 ly; 2 stars) • Gliese 250 (28.4 ± 0.3 ly; 2 stars) • HR 1614 (28.8 ± 0.3 ly; 1 star) • HR 7722 (28.8 ± 0.3 ly; 1 star, 2 planets: planet b • planet c)In left column are stellar classes of primary members of star systems. ‡Distance error margin extends out of declared distance interval. Italic are systems possibly located within declared distance interval, but likely not. Total about 50 (47–52) systems.Bayer α (Alrescha) • β (Fum al Samakah) • γ • δ • ε • ζ • η (Kullat Nunu) • θ • ι • κ • λ • μ • ν • ξ • ο (Torcularis Septentrionalis) • π • ρ • σ • τ • υ • φ • χ • ψ¹ • ψ² • ψ³ • ω • b • c • d • e • f • g • h • i • k • l • AFlamsteed 1 • 2 • 3 • 4 (β, Fum al Samakah) • 5 (A) • 6 (γ) • 7 (b) • 8 (κ) • 9 • 10 (θ) • 11 • 12 • 13 • 14 • 15 • 16 • 17 (ι) • 18 (λ) • 19 • 20 • 21 • 22 • 24 • 25 • 26 • 27 • 28 (ω) • 29 • 30 • 31 • 32 (c) • 33 • 34 • 35 • 36 • 37 • 38 • 39 • 40 • 41 (d) • 42 • 43 • 44 • 45 • 46 • 47 • 48 • 49 • 51 • 52 • 53 • 54 • 55 • 57 • 58 • 59 • 60 • 61 • 62 • 63 (δ) • 64 • 65 (i) • 66 • 67 (k) • 68 (h) • 69 (σ) • 70 • 71 (ε) • 72 • 73 • 74 (ψ¹) • 75 • 76 • 77 • 78 • 79 (ψ²) • 80 (e) • 81 (ψ³) • 82 (g) • 83 (τ) • 84 (χ) • 85 (φ) • 86 (ζ) • 87 • 88 • 89 (f) • 90 (υ) • 91 (l) • 92 • 93 (ρ) • 94 • 95 • 96 • 97 • 98 (μ) • 99 (η, Kullat Nunu) • 100 • 101 • 102 (π) • 103 • 104 • 105 • 106 (ν) • 107 • 109 • 110 (ο, Torcularis Septentrionalis) • 111 (ξ) • 112 • 113 (α, Alrescha) • 3 Ari • 4 Cet • 5 CetNearby van Maanen's star • BR • SIMP J013656.5+093347 • GJ 1286 • Gliese 33 • 107 Piscium • GJ 3076 • 2MASS 0036+1821 • GJ 3128 • CFBDS J005910.90-011401.3Categories:- Pisces constellation
- K-type main sequence stars
- Triple stars
- Flamsteed objects
- Henry Draper Catalogue objects
- HIP objects
- Durchmusterung objects
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