Theta Piscium

Theta Piscium^[1]
Observation data Epoch J2000.0 Equinox J2000.0
Location of θ Piscium(circled)
Constellation	Pisces
Right ascension	23^h 27^m 58.0951^s
Declination	+6° 22′ 44.372″
Apparent magnitude (V)	4.27^[2]
Characteristics
Spectral type	K1 III^[2]
U−B color index	+1.00
B−V color index	+1.062^[2]
Astrometry

Radial velocity (R_v)	+6.05 ± 0.19^[2] km/s
Proper motion (μ)	RA: -123.83 mas/yr Dec.: -43.26 mas/yr
Parallax (π)	20.54 ± 0.80 mas
Distance	159 ± 6 ly (49 ± 2 pc)

Details

Mass	1.54^[2] M_☉

Other designations
θ Piscium, θ Psc, Theta Psc, 10 Piscium, BD+05 5173, FK5 1614, GC 32647, HD 220954, HIP 115830, HR 8916, PPM 174110, SAO 128196.

Theta Piscium (Theta Psc, θ Piscium, θ Psc) is a star approximately 159 light years away from Earth in the constellation Pisces. It is an orange-red star of the spectral type K1III, meaning it is a normal giant star with a surface temperature of 3,500 to 5,000 kelvins, and is brighter yet cooler than our sun.^[3]

Naming

In Chinese, 霹靂 (Pī Lì), meaning Thunderbolt, refers to an asterism consisting of refers to an asterism consisting of θ Piscium, β Piscium, γ Piscium, ι Piscium and ω Piscium. Consequently, θ Piscium itself is known as 霹靂三 (Pī Lì sān, English: the Third Star of Thunderbolt.)^[4]

References

↑ "Simbad Query Result". Simbad. Retrieved September 27, 2007.
1 2 3 4 5 Hekker, S.; et al. (August 2006), "Precise radial velocities of giant stars. I. Stable stars", Astronomy and Astrophysics 454 (3): 943–949, arXiv:astro-ph/0604502, Bibcode:2006A&A...454..943H, doi:10.1051/0004-6361:20064946
↑ ""Hipparcos Star Catalog Entry"". Retrieved September 27, 2007.
↑ (Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 8 日

Stars of Pisces

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

Flamsteed	1 2 3 5 7 9 11 12 13 14 15 16 20 21 22 24 25 26 27 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 51 52 53 54 55 57 58 59 60 61 62 64 65 66 67 68 70 72 73 75 76 77 78 80 82 87 88 89 91 92 94 95 96 97 100 101 103 104 105 107 109 112 4 Cet 5 Cet

Variable	R Y RU RV RZ SS SV SZ TX (19) TY UV UZ VY (3 Ari) VZ WW WX WZ XZ AO AQ AR AY AZ BE BK BR BT BU CY DT DV DZ EO FL GU

HR	2 29 67 69 94 107 141 145 161 222 243 259 276 277 303 341 344 356 371 374 397 407 426 450 457 484 527 8730 8734 8735 8738 8751 8776 8785 8897 8983 9015

HD	26 1502 2358 4203 4313 5418 5891 7107 8574 8733 9496 9986 10262 12730 217590 217786 218566 219188

Gliese	GJ 1286 GJ 3076 GJ 3128

Other	Bond's flare star CS 22949-037 Feige 110 G 29-38 2MASS 0036+1821 NGC 33 NGC 46 PG 0014+067 PG 0122+200 PSR J0030+0451 1RXS J232953.9+062814 SIMP J013656.5+093347 van Maanen 2 WASP-28 WASP-32

List

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