سرةالفرس

α Andromedae
	; Alpha Andromedae
Observation data; Epoch J2000.0 Equinox J2000.0 (ICRS)
اولدوزلار شکیلی	آندرومدا (اولدوز شکیلی)
Right ascension	00h 08m 23.25988s
Declination	‏ 25.5520″ 05′ ‎+29°
Apparent magnitude (V)	2.06 (2.22 + 4.21)
Characteristics
U−B color index	−0.46
B−V color index	−0.11
R−I color index	−0.10
Primary
Spectral type	B8IVpMnHg
Secondary
Spectral type	A3V
Astrometry
Primary
Radial velocity (Rv)	−10.6 ± 0.3 km/s
Proper motion (μ)	RA: 135.68 mas/ایل ; Dec.: −162.95 mas/ایل
Parallax (π)	33.62 ± 0.35 mas
Distance	شابلون:ErrorBar2 ایشیق ایلی ; (شابلون:ErrorBar2 pc)
Absolute magnitude (MV)	−0.19 ± 0.30
Secondary
Absolute magnitude (MV)	2.00 ± 0.30
اوربیت
Period (P)	96.7015 ± 0.0044 days
Semi-major axis (a)	24.0 ± 0.13 mas
Eccentricity (e)	0.535 ± 0.0046
Inclination (i)	105.6 ± 0.23°
Longitude of the node (Ω)	284.4 ± 0.21°
Periastron epoch (T)	MJD 47374.563 ± 0.095
Argument of periastron (ω); (secondary)	257.4 ± 0.31°
Details
Primary
Mass	3.8 ± 0.2 M☉
Radius	2.7 ± 0.4 شابلون:Solar radius
Luminosity (bolometric)	240 شابلون:Solar luminosity
Surface gravity (log g)	3.75 cgs
Temperature	13,800 K
Metallicity	[M/H] = 0.2
Rotation	2.38195 گون
Rotational velocity (v sin i)	52 km/s
Age	60 ایل
Secondary
Mass	1.85 ± 0.13 M☉
Radius	1.65 ± 0.3 شابلون:Solar radius
Luminosity (bolometric)	13 شابلون:Solar luminosity
Surface gravity (log g)	4.0 cgs
Temperature	8,500 K
Metallicity	[M/H] = 0.2
Rotational velocity (v sin i)	110 ± 5 km/s
اولدوز	70 ایل
Other designations
	Alpheratz, Sirrah, Sirah, α And, Alpha Andromedae, Alpha And, δ Pegasi, δ Peg, Delta Pegasi, Delta Peg, 21 Andromedae, 21 And, H 5 32A, MKT 11, ADS 94 A, BD+28°4, CCDM J00083+2905A, FK5 1, GC 127, HD 358, HIP 677, HR 15, IDS 00032+2832 A, LTT 10039, NLTT 346, PPM 89441, SAO 73765, WDS 00084+2905A/Aa
Database references
SIMBAD	data

سرةالفرس ، آت گؤبه‌گی یوخسا آلفا زینجیرلی خانیم، آندرومدا تاخیم‌اولدوزوندا ان ایشیقلی اولدوزدور.

قایناقلار

^ ^۱٫۰ ^۱٫۱ ^۱٫۲ Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
^ ^۲٫۰ ^۲٫۱ Entry, WDS identifier 00084+2905, Sixth Catalog of Orbits of Visual Binary Stars Archived 2017-11-12 at the Wayback Machine., William I. Hartkopf & Brian D. Mason, U.S. Naval Observatory. Accessed on line August 12, 2008.
^ ^۳٫۰ ^۳٫۱ ^۳٫۲ Hoffleit, D.. HR 15. The Bright Star Catalogue. VizieR. and Hoffleit, D.. Detailed Description of V/50. The Bright Star Catalogue. Centre de Données astronomiques de Strasbourg.
^ ^۴٫۰ ^۴٫۱ Tomkin, J.; Pan, X.; McCarthy, J. K. (1995). "Spectroscopic detection of the secondaries of the Hyades interferometric spectroscopic binary theta² Tauri and of the interferometric spectroscopic binary alpha Andromedae". Astronomical Journal. 109: 780. Bibcode:1995AJ....109..780T. doi:10.1086/117321.
^ Value is for the center of mass of the system.
^ ^۶٫۰ ^۶٫۱ ^۶٫۲ شابلون:Cite simbad
^ ^۷٫۰ ^۷٫۱ Ryabchikova, T. A.; Malanushenko, V. P.; Adelman, S. J. (1999). "Orbital elements and abundance analyses of the double-lined spectroscopic binary alpha Andromedae". Astronomy and Astrophysics. 351: 963. Bibcode:1999A&A...351..963R.
^ ^۸٫۰۰ ^۸٫۰۱ ^۸٫۰۲ ^۸٫۰۳ ^۸٫۰۴ ^۸٫۰۵ ^۸٫۰۶ ^۸٫۰۷ ^۸٫۰۸ ^۸٫۰۹ ^۸٫۱۰ ^۸٫۱۱ Ryabchikova, T.; Malanushenko, V.; Adelman, S. J. (1998). "The double-lined spectroscopic binary alpha Andromedae: Orbital elements and elemental abundances". Contributions of the Astronomical Observatory Skalnate Pleso. 27: 356. arXiv:astro-ph/9805205. Bibcode:1998CoSka..27..356R.
^ قایناق خطاسی برچسب <ref> نامعتبر؛ متنی برای ارجاع‌های با نام sciphys وارد نشده است
^ قایناق خطاسی برچسب <ref> نامعتبر؛ متنی برای ارجاع‌های با نام usno وارد نشده است
^ Entry 00084+2905, discoverer code MKT 11, components Aa, The Washington Double Star Catalog, United States Naval Observatory. Accessed on line August 15, 2017.

[hipparcos-1] ۱٫۰ ^۱٫۱ ^۱٫۲ Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.

[wdsa-2] ۲٫۰ ^۲٫۱ Entry, WDS identifier 00084+2905, Sixth Catalog of Orbits of Visual Binary Stars Archived 2017-11-12 at the Wayback Machine., William I. Hartkopf & Brian D. Mason, U.S. Naval Observatory. Accessed on line August 12, 2008.

[bsc2-3] ۳٫۰ ^۳٫۱ ^۳٫۲ Hoffleit, D.. HR 15. The Bright Star Catalogue. VizieR. and Hoffleit, D.. Detailed Description of V/50. The Bright Star Catalogue. Centre de Données astronomiques de Strasbourg.

[spec2-4] ۴٫۰ ^۴٫۱ Tomkin, J.; Pan, X.; McCarthy, J. K. (1995). "Spectroscopic detection of the secondaries of the Hyades interferometric spectroscopic binary theta² Tauri and of the interferometric spectroscopic binary alpha Andromedae". Astronomical Journal. 109: 780. Bibcode:1995AJ....109..780T. doi:10.1086/117321.

[5] Value is for the center of mass of the system.

[sb1-6] ۶٫۰ ^۶٫۱ ^۶٫۲ شابلون:Cite simbad

[data-7] ۷٫۰ ^۷٫۱ Ryabchikova, T. A.; Malanushenko, V. P.; Adelman, S. J. (1999). "Orbital elements and abundance analyses of the double-lined spectroscopic binary alpha Andromedae". Astronomy and Astrophysics. 351: 963. Bibcode:1999A&A...351..963R.

[orbit-8] ۸٫۰۰ ^۸٫۰۱ ^۸٫۰۲ ^۸٫۰۳ ^۸٫۰۴ ^۸٫۰۵ ^۸٫۰۶ ^۸٫۰۷ ^۸٫۰۸ ^۸٫۰۹ ^۸٫۱۰ ^۸٫۱۱ Ryabchikova, T.; Malanushenko, V.; Adelman, S. J. (1998). "The double-lined spectroscopic binary alpha Andromedae: Orbital elements and elemental abundances". Contributions of the Astronomical Observatory Skalnate Pleso. 27: 356. arXiv:astro-ph/9805205. Bibcode:1998CoSka..27..356R.

[sciphys-9] قایناق خطاسی برچسب <ref> نامعتبر؛ متنی برای ارجاع‌های با نام sciphys وارد نشده است

[usno-10] قایناق خطاسی برچسب <ref> نامعتبر؛ متنی برای ارجاع‌های با نام usno وارد نشده است

[usnob-11] Entry 00084+2905, discoverer code MKT 11, components Aa, The Washington Double Star Catalog, United States Naval Observatory. Accessed on line August 15, 2017.

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Observation data Epoch J2000.0 Equinox J2000.0 (ICRS)
Alpha Andromedae
اولدوزلار شکیلی	آندرومدا (اولدوز شکیلی)
Right ascension	00^h 08^m 23.25988^s^[۱]
Declination	‏ 25.5520″ 05′ ‎+29°^[۱]
Apparent magnitude (V)	2.06 (2.22 + 4.21)^[۲]
Characteristics
U−B color index	−0.46^[۳]
B−V color index	−0.11^[۳]
R−I color index	−0.10^[۳]

Primary
Spectral type	B8IVpMnHg^[۴]

Secondary
Spectral type	A3V^[۴]
Astrometry
Primary
Radial velocity (R_v)	−10.6 ± 0.3^[۵] km/s
Proper motion (μ)	RA: 135.68^[۶] mas/ایل Dec.: −162.95^[۶] mas/ایل
Parallax (π)	33.62 ± 0.35^[۱] mas
Distance	شابلون:ErrorBar2 ایشیق ایلی (شابلون:ErrorBar2 pc)
Absolute magnitude (M_V)	−0.19 ± 0.30^[۷]
Secondary
Absolute magnitude (M_V)	2.00 ± 0.30^[۷]
اوربیت^[۲]
Period (P)	96.7015 ± 0.0044 days
Semi-major axis (a)	24.0 ± 0.13 mas
Eccentricity (e)	0.535 ± 0.0046
Inclination (i)	105.6 ± 0.23°
Longitude of the node (Ω)	284.4 ± 0.21°
Periastron epoch (T)	MJD 47374.563 ± 0.095
Argument of periastron (ω) (secondary)	257.4 ± 0.31°
Details
Primary
Mass	3.8 ± 0.2^[۸] `M`_☉
Radius	2.7 ± 0.4^[۸] شابلون:Solar radius
Luminosity (bolometric)	240^[۸] شابلون:Solar luminosity
Surface gravity (log g)	3.75^[۸] cgs
Temperature	13,800^[۸] K
Metallicity	[M/H] = 0.2
Rotation	2.38195 گون^[۹]
Rotational velocity (v sin i)	52 km/s
Age	60^[۸] ایل
Secondary
Mass	1.85 ± 0.13^[۸] `M`_☉
Radius	1.65 ± 0.3^[۸] شابلون:Solar radius
Luminosity (bolometric)	13^[۸] شابلون:Solar luminosity
Surface gravity (log g)	4.0^[۸] cgs
Temperature	8,500^[۸] K
Metallicity	[M/H] = 0.2
Rotational velocity (v sin i)	110 ± 5 km/s
اولدوز	70^[۸] ایل
Other designations
Alpheratz, Sirrah, Sirah, α And, Alpha Andromedae, Alpha And, δ Pegasi, δ Peg, Delta Pegasi, Delta Peg, 21 Andromedae, 21 And, H 5 32A, MKT 11, ADS 94 A, BD+28°4, CCDM J00083+2905A, FK5 1, GC 127, HD 358, HIP 677, HR 15, IDS 00032+2832 A, LTT 10039, NLTT 346, PPM 89441, SAO 73765, WDS 00084+2905A/Aa^[۶]^[۱۰]^[۱۱]
Database references
SIMBAD	data