35 Arietis
 Location of 35 Arietis |
|
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aries |
| Right ascension | 02h 43m 27.11185s[1] |
| Declination | +27° 42′ 25.7233″[1] |
| Apparent magnitude (V) | 4.64[2] |
| Characteristics | |
| Spectral type | B3 V[3] |
| U−B color index | –0.62[4] |
| B−V color index | –0.14[4] |
| Astrometry | |
| Radial velocity (Rv) | +13[5] km/s |
| Proper motion (μ) | RA: 2.06[1] mas/yr Dec.: –10.37[1] mas/yr |
| Parallax (π) | 9.51 ± 0.85[1] mas |
| Distance | 340 ± 30 ly (105 ± 9 pc) |
| Details | |
| Mass | 5.7 ± 0.3[6] M☉ |
| Radius | 2.2–3.9[7] R☉ |
| Luminosity | 870[8] L☉ |
| Temperature | 17,520[9] K |
| Rotational velocity (v sin i) | 90[10] km/s |
| Age | 5.5 ± 4.7[6] Myr |
| Other designations | |
35 Arietis (abbreviated 35 Ari) is a binary star[11] in the northern constellation of Aries. 35 Arietis is the Flamsteed designation. It is approximately 340 light-years (100 parsecs) distant from the Earth, based upon an annual parallax shift of 9.51 mas.[1] This star is visible to the naked eye with an apparent visual magnitude of 4.64.[2]
This is a single-lined spectroscopic binary system, with the presence of a companion being demonstrated by shifts in the spectrum of the primary component.[12] The pair orbit each other with a period of 490.0 days and an eccentricity of 0.14.[11] The primary is a B-type main-sequence star with a stellar classification of B3 V.[3] With a mass around 5.7 times that of the Sun, it is radiating 870[8] times the Sun's luminosity. This energy is being emitted from the outer atmosphere at an effective temperature of 17,520 K,[9] causing it to shine with the blue-white hue of a B-type star.[13]
References
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