35 Arietis

Short description: Star in the constellation Aries

35 Arietis

Location of 35 Arietis (circled in red)

Observation data
Equinox J2000.0]] (ICRS)
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

BD+27°424, FK5 94, HD 16908, HIP 12719, HR 801, SAO 75532.[2]

Database references
SIMBAD| data

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]

This star was formerly located in the obsolete constellation Musca Borealis, also known as Lilium.[14]

## References

1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 van Leeuwen, Floor (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, doi:10.1051/0004-6361:20078357, Bibcode: 2007A&A...474..653V. Note: see VizieR catalogue I/311.
2. ↑ 2.0 2.1 2.2 "35 Ari -- Star", SIMBAD (Centre de Données astronomiques de Strasbourg), http://simbad.u-strasbg.fr/simbad/sim-id?Ident=35+Arietis, retrieved 2012-08-15.
3. ↑ 3.0 3.1 Borgman, J. (December 1960), "Seven-Colour Photometry of O, B and A Stars", Bulletin of the Astronomical Institutes of the Netherlands 15: 255, Bibcode: 1960BAN....15..255B.
4. ↑ 4.0 4.1 Crawford, D. L.; Barnes, J. V.; Golson, J. C. (1971), "Four-color, Hbeta, and UBV photometry for bright B-type stars in the northern hemisphere", The Astronomical Journal 76: 1058, doi:10.1086/111220, Bibcode: 1971AJ.....76.1058C.
5. ↑ Evans, D. S. (June 20–24, 1966). "The Revision of the General Catalogue of Radial Velocities". in Batten, Alan Henry; Heard, John Frederick. University of Toronto: International Astronomical Union. 1967. pp. 57–63. Bibcode: 1967IAUS...30...57E.
6. ↑ 6.0 6.1 Tetzlaff, N.; Neuhäuser, R.; Hohle, M. M. (January 2011), "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun", Monthly Notices of the Royal Astronomical Society 410 (1): 190–200, doi:10.1111/j.1365-2966.2010.17434.x, Bibcode: 2011MNRAS.410..190T.
7. ↑ Pasinetti Fracassini, L. E. et al. (February 2001), "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics", Astronomy and Astrophysics 367 (2): 521–524, doi:10.1051/0004-6361:20000451, Bibcode: 2001A&A...367..521P.
8. ↑ 8.0 8.1 Hohle, M. M.; Neuhäuser, R.; Schutz, B. F. (April 2010), "Masses and luminosities of O- and B-type stars and red supergiants", Astronomische Nachrichten 331 (4): 349, doi:10.1002/asna.200911355, Bibcode: 2010AN....331..349H.
9. ↑ 9.0 9.1 Zorec, J. et al. (July 2009), "Fundamental parameters of B supergiants from the BCD system. I. Calibration of the (λ_1, D) parameters into Teff", Astronomy and Astrophysics 501 (1): 297–320, doi:10.1051/0004-6361/200811147, Bibcode: 2009A&A...501..297Z.
10. ↑ Abt, Helmut A.; Levato, Hugo; Grosso, Monica (July 2002), "Rotational Velocities of B Stars", The Astrophysical Journal 573 (1): 359–365, doi:10.1086/340590, Bibcode: 2002ApJ...573..359A.
11. ↑ 11.0 11.1 Eggleton, P. P.; Tokovinin, A. A. (September 2008), "A catalogue of multiplicity among bright stellar systems", Monthly Notices of the Royal Astronomical Society 389 (2): 869–879, doi:10.1111/j.1365-2966.2008.13596.x, Bibcode: 2008MNRAS.389..869E.
12. ↑ van Rensbergen, W.; De Loore, C.; Jansen, K. (February 2006), "Evolution of interacting binaries with a B type primary at birth", Astronomy and Astrophysics 446 (3): 1071–1079, doi:10.1051/0004-6361:20053543, Bibcode: 2006A&A...446.1071V.
13. ↑ "The Colour of Stars", Australia Telescope, Outreach and Education (Commonwealth Scientific and Industrial Research Organisation), December 21, 2004, http://outreach.atnf.csiro.au/education/senior/astrophysics/photometry_colour.html, retrieved 2012-01-16.
14. ↑ Ridpath, Ian. "Star Tales – Musca Borealis". http://www.ianridpath.com/startales/muscaborealis.html.

## External links

* Image 35 Arietis

* v
* t
* e

Constellation of Aries

* List of stars in Aries
* Aries in Chinese astronomy

Stars|

| Bayer|

* α (Hamal)
* β (Sheratan)
* γ (Mesarthim)
* δ (Botein)
* ε
* ζ
* η
* θ
* ι
* κ
* λ
* μ
* ν
* ξ
* ο
* π
* ρ1
* ρ2
* ρ3
* σ
* τ1
* τ2

|

Flamsteed|

* 1
* 4
* 7
* 10
* 11
* 14
* 15
* 16
* 19
* 20
* 21
* 23
* 26
* 27
* 29
* 30
* 31
* 33
* 35
* 36
* 38
* 39 (Lilii Borea)
* 40
* 41 (Bharani)
* 47
* 49
* 50
* 51
* 52
* 53
* 54
* 55
* 56
* 59
* 60
* 62
* 64
* 65
* 66
* 54 Cet
* 85 Cet

Variable|

* R
* X
* RV
* RW
* RX
* SS
* TT
* UX
* VW
* VY
* VZ (16 Tri)
* WX
* XY

HR|

* 577
* 578
* 601
* 609
* 624
* 644
* 676
* 711
* 723
* 728
* 803
* 856
* 902
* 916
* 924
* 931
* 945
* 946
* 948
* 952
* 971
* 999

HD|

* 12661
* 19445
* 19549
* 20367

Other|

* BD+20°307
* HAT-P-25
* HIP 14810
* L 1159-16
* L1448 IRS 3
* L1455 FIR
* LkHα 264
* PSR B0301+19
* Teegarden's Star
* WASP-11
* WD 0145+234

| Exoplanets|

* 30 Arietis Bb
* BD+20 594b
* HD 12661 b
* c
* HD 20367 b
* HIP 14810 b
* c
* d
* Teegarden b
* Teegarden c

|

| Nebulae|

* L1448
* L1455
* MBM 12

|

Galaxies|

| NGC|

* 671
* 673
* 675
* 677
* 678
* 680
* 683
* 691
* 694
* 695
* 697
* 711
* 716
* 719
* 722
* 765
* 770
* 772
* 774
* 776
* 781
* 786
* 792
* 794
* 803
* 810
* 817
* 820
* 821
* 870
* 871
* 876
* 877
* 882
* 900
* 901
* 903
* 904
* 915
* 916
* 918
* 919
* 924
* 927
* 928
* 932
* 935
* 938
* 962
* 972
* 976
* 984
* 990
* 992
* 1012
* 1024
* 1028
* 1029
* 1030
* 1036
* 1054
* 1056
* 1088
* 1109
* 1111
* 1112
* 1115
* 1116
* 1117N
* 1117S
* 1127
* 1134
* 1156
* 1166
* 1168
* 1236

|

Other|

* AO 0235+164
* 3C 79
* CTA 21
* 1ES 0229+200
* IC 1801
* IC 1854
* PKS 0201+113
* PKS 0202+149
* QSO J0237+2848
* RBS 0413
* Segue 2
* UGC 2140

| Galaxy clusters|

* Abell 399
* Abell 401
* MS 0302+17

|

| Astronomical events|

* GRB 040924
* GRB 060218

|

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