Epsilon Ursae Majoris

ε Ursae Majoris
	; ε Ursae Majoris in Ursa Major (circled).
Observation data; Epoch J2000 Equinox J2000
Constellation	Ursa Major
Right ascension	{\| style="margin: 0.5em auto; background: #Afe1f3; border: 2px solid #000000; font-size: 95%; text-align: center;"
	NAHHHH BLUD THIS PAGE IS FROM OHIO 💀💀💀😭 ;

^[1] |- style="vertical-align:top" ! style="text-align:left" | Declination | +55° 57′ 35.3627″^[1] |- style="vertical-align:top" ! style="text-align:left" | Apparent magnitude (V) | 1.77^[2]

|- ! style="background-color: #FFFFC0; text-align: center;" colspan="2"| Characteristics |-

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|- style="vertical-align:top" ! style="text-align:left" | Spectral type | A1III-IVp kB9 |- style="vertical-align:top"

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|- style="vertical-align:top" ! style="text-align:left" | Variable type | α² CVn |- style="vertical-align:top"

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AstrometryRadial velocity (R_v)-9.3^[3] km/sProper motion (μ) RA: +111.91^[1] mas/yr
Dec.: -8.24^[1] mas/yr Parallax (π)39.51 ± 0.20^[1] masDistance82.6 ± 0.4 ly
(25.3 ± 0.1 pc)Absolute magnitude (M_V)–0.2^[4] DetailsMass2.91^[5] M_☉Radius4.14^[6] R_☉Luminosity102^[7] L_☉Surface gravity (log g)3.23^[8] cgsTemperature9,020^[8] KMetallicity [Fe/H]+0.00^[4] dexRotational velocity (v sin i)33^[9] km/sAge300^[10] Myr Other designations

Alioth, Allioth, Aliath, ε UMa, 77 Ursae Majoris, BD+56°1627, FK5 483, GC 17518, HD 112185, HIP 62956, HR 4905, PPM 33769, SAO 28553.

Database referencesSIMBADdata

|} Epsilon Ursae Majoris or Alioth is a white star in the Ursa Major constellation.

Related pages change

List of brightest stars

References change

↑ ^1.0 ^1.1 ^1.2 ^1.3 ^1.4 van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357, S2CID 18759600
↑ ^2.0 ^2.1 ^2.2 Johnson, H. L.; et al. (1966). "UBVRIJKL photometry of the bright stars". Communications of the Lunar and Planetary Laboratory. 4 (99): 99. Bibcode:1966CoLPL...4...99J.
↑ Evans, D. S. (June 20–24, 1966), Batten, Alan Henry; Heard, John Frederick (eds.), "The Revision of the General Catalogue of Radial Velocities", Determination of Radial Velocities and their Applications, Proceedings from IAU Symposium no. 30, vol. 30, University of Toronto: International Astronomical Union, p. 57, Bibcode:1967IAUS...30...57E
↑ ^4.0 ^4.1 Tektunali, H. G. (June 1981), "The spectrum of the CR star Epsilon Ursae Majoris", Astrophysics and Space Science, 77 (1): 41–58, Bibcode:1981Ap&SS..77...41T, doi:10.1007/BF00648756, S2CID 122817347
↑ Shaya, Ed J.; Olling, Rob P. (January 2011), "Very Wide Binaries and Other Comoving Stellar Companions: A Bayesian Analysis of the Hipparcos Catalogue", The Astrophysical Journal Supplement, 192 (1): 2, arXiv:1007.0425, Bibcode:2011ApJS..192....2S, doi:10.1088/0067-0049/192/1/2, S2CID 119226823
↑ Shulyak, D.; Paladini, C.; Causi, G. Li; Perraut, K.; Kochukhov, O. (2014). "Interferometry of chemically peculiar stars: Theoretical predictions versus modern observing facilities". Monthly Notices of the Royal Astronomical Society. 443 (2): 1629. arXiv:1406.6093. Bibcode:2014MNRAS.443.1629S. doi:10.1093/mnras/stu1259. S2CID 96452769.
↑ Katarzyński, K.; Gawroński, M.; Goździewski, K. (2016). "Search for exoplanets and brown dwarfs with VLBI". Monthly Notices of the Royal Astronomical Society. 461 (1): 929. arXiv:1608.06719. Bibcode:2016MNRAS.461..929K. doi:10.1093/mnras/stw1354. S2CID 119298606.
↑ ^8.0 ^8.1 Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Robinson, P. E. (2003). "Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I". The Astronomical Journal. 126 (4): 2048. arXiv:astro-ph/0308182. Bibcode:2003AJ....126.2048G. doi:10.1086/378365. S2CID 119417105.
↑ Royer, F.; et al. (October 2002), "Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i", Astronomy and Astrophysics, 393 (3): 897–911, arXiv:astro-ph/0205255, Bibcode:2002A&A...393..897R, doi:10.1051/0004-6361:20020943, S2CID 14070763
↑ Nakajima, Tadashi; Morino, Jun-Ichi (2012). "Potential Members of Stellar Kinematic Groups within 30 pc of the Sun". The Astronomical Journal. 143 (1): 2. Bibcode:2012AJ....143....2N. doi:10.1088/0004-6256/143/1/2.

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[aaa474_2_653-1] 1.0 ^1.1 ^1.2 ^1.3 ^1.4 van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357, S2CID 18759600

[clpl4_99-2] 2.0 ^2.1 ^2.2 Johnson, H. L.; et al. (1966). "UBVRIJKL photometry of the bright stars". Communications of the Lunar and Planetary Laboratory. 4 (99): 99. Bibcode:1966CoLPL...4...99J.

[rgcrv-3] Evans, D. S. (June 20–24, 1966), Batten, Alan Henry; Heard, John Frederick (eds.), "The Revision of the General Catalogue of Radial Velocities", Determination of Radial Velocities and their Applications, Proceedings from IAU Symposium no. 30, vol. 30, University of Toronto: International Astronomical Union, p. 57, Bibcode:1967IAUS...30...57E

[aass77_1_41-4] 4.0 ^4.1 Tektunali, H. G. (June 1981), "The spectrum of the CR star Epsilon Ursae Majoris", Astrophysics and Space Science, 77 (1): 41–58, Bibcode:1981Ap&SS..77...41T, doi:10.1007/BF00648756, S2CID 122817347

[apjss192_1_2-5] Shaya, Ed J.; Olling, Rob P. (January 2011), "Very Wide Binaries and Other Comoving Stellar Companions: A Bayesian Analysis of the Hipparcos Catalogue", The Astrophysical Journal Supplement, 192 (1): 2, arXiv:1007.0425, Bibcode:2011ApJS..192....2S, doi:10.1088/0067-0049/192/1/2, S2CID 119226823

[shulyak-6] Shulyak, D.; Paladini, C.; Causi, G. Li; Perraut, K.; Kochukhov, O. (2014). "Interferometry of chemically peculiar stars: Theoretical predictions versus modern observing facilities". Monthly Notices of the Royal Astronomical Society. 443 (2): 1629. arXiv:1406.6093. Bibcode:2014MNRAS.443.1629S. doi:10.1093/mnras/stu1259. S2CID 96452769.

[vlbi-7] Katarzyński, K.; Gawroński, M.; Goździewski, K. (2016). "Search for exoplanets and brown dwarfs with VLBI". Monthly Notices of the Royal Astronomical Society. 461 (1): 929. arXiv:1608.06719. Bibcode:2016MNRAS.461..929K. doi:10.1093/mnras/stw1354. S2CID 119298606.

[gray-8] 8.0 ^8.1 Gray, R. O.; Corbally, C. J.; Garrison, R. F.; McFadden, M. T.; Robinson, P. E. (2003). "Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 Parsecs: The Northern Sample. I". The Astronomical Journal. 126 (4): 2048. arXiv:astro-ph/0308182. Bibcode:2003AJ....126.2048G. doi:10.1086/378365. S2CID 119417105.

[aaa393_897-9] Royer, F.; et al. (October 2002), "Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i", Astronomy and Astrophysics, 393 (3): 897–911, arXiv:astro-ph/0205255, Bibcode:2002A&A...393..897R, doi:10.1051/0004-6361:20020943, S2CID 14070763

[nakajima-10] Nakajima, Tadashi; Morino, Jun-Ichi (2012). "Potential Members of Stellar Kinematic Groups within 30 pc of the Sun". The Astronomical Journal. 143 (1): 2. Bibcode:2012AJ....143....2N. doi:10.1088/0004-6256/143/1/2.

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Observation data Epoch J2000 Equinox J2000
ε Ursae Majoris in Ursa Major (circled).
Constellation	Ursa Major
Right ascension	{\| style="margin: 0.5em auto; background: #Afe1f3; border: 2px solid #000000; font-size: 95%; text-align: center;"
NAHHHH BLUD THIS PAGE IS FROM OHIO 💀💀💀😭