5 Andromedae
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Template:Location mark Location of 5 Andromedae (circled) | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda[1] |
| Right ascension | Template:RA[2] |
| Declination | Template:DEC[2] |
| Apparent magnitude (V) | 5.68[1] |
| Characteristics | |
| Spectral type | F5 V[3] |
| B−V Template:Engvar | Template:Val[1] |
| Astrometry | |
| Radial velocity (Rv) | Template:Val[1] km/s |
| Proper motion (μ) | RA: Template:Val mas/yr[2] Dec.: Template:Val mas/yr[2] |
| Parallax (π) | 29.0956±0.0408 mas[2] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | 3.00[1] |
| Details[4] | |
| Mass | Template:Val Template:Solar mass |
| Radius | 1.741[5] Template:Solar radius |
| Luminosity | 5.62[1] Template:Solar luminosity |
| Surface gravity (log g) | Template:Val cgs |
| Temperature | Template:Val K |
| Metallicity [Fe/H] | Template:Val dex |
| Rotational velocity (v sin i) | 9.7[6] km/s |
| Age | Template:Val Gyr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| Template:Odlist[7] | |
| Database references | |
| SIMBAD | data |
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5 Andromedae is a single,[8] yellow-white hued star in the northern constellation of Andromeda, abbreviated 5 And.[1] Its designation comes from a catalogue of stars by English astronomer John Flamsteed, published in 1712. The star is faintly visible to the naked eye, having an apparent visual magnitude of 5.68.[1] Based upon an annual parallax shift of 29.1[2] mas as seen from Earth, it is located 112 light years away. 5 Andromedae is moving closer to the Sun with a radial velocity of −2.6 km/s.[1] It has a relatively high proper motion, advancing across the celestial sphere at the rate of 0.201 arc seconds per year.[9]
This is an ordinary F-type main-sequence star with a stellar classification of F5 V.[3] It is estimated to be 2.3[4] billion years old and is spinning with a projected rotational velocity of 9.7 km/s.[6] The star has 1.39[4] times the mass of the Sun and 1.74 times the Sun's radius.[5] It is radiating 5.6[1] times the Sun's luminosity from its photosphere at an effective temperature of about 6,605 K.[4]
Within Andromeda it is the second of a northerly chain asterism – 7, 8, 11 are further south-westward, with 3 Andromedae in the other direction.
References
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