Mal:Stjerneinfo/Ypsilon Andromedae

Upsilon Andromedae
	[[Fil:\|frameless\|]]; A conception of Upsilon Andromedae A, here showing 2 out of 4 known planets.
	Observasjonsdata; Epoke J2000.0
Rektascensjon	01t 36m 47.84216s
Deklinasjon	+41° 24′ 19.6443″
	Karakteristikk
Spektralklasse	F8 V + M4.5 V
Fargeindeks U–B	0.06
Fargeindeks B–V	0.54
Fargeindeks V–R	0.30
Fargeindeks R–I	0.30
	Astrometri
Radialhastighet (Rv)	–28.9 ± 0.9 km/s
Egenbevegelse (μ)	RA: –173.33 ± 0.20 mas/år; DEK: –381.80 ± 0.13 mas/år
Parallakse (π)	73.71 ± 0.10 mas
Avstand	44,25 ± 0,06 ly ; (13,57 ± 0,02 pc)
Absolutt størrelsesklasse (MV)	3.44 ± 0.02
	Detaljer
Masse	1.27 ± 0.06 M☉
Radius	1.480 ± 0.087 R☉
Overflategravitasjon; (log g)	4.0 ± 0.1
Luminositet	3.57 L☉
Temperatur	6,074 ± 13.1 K
Vinkelhastighet	7.3 ± 0.04 days
	Andre betegnelser
	50 Andromedae, BD+40 332, CCDM 01367+4125, FK5 1045, GC 1948, GCTP 331.00, Gl 61, HD 9826, HIP 7513, HR 458, LTT 10561, SAO 37362, WDS 01368+4124A.
	Referansedatabaser
SIMBAD	«data».
EPE	«data».
	Datakilder
	Hipparcos-katalogen,; CCDM (2002),; Bright Star Catalogue (5. rev. utg.)

Referanser

^ ^a ^b ^c ^d van Leeuwen, F. (November 2007), «Validation of the new Hipparcos reduction», Astronomy and Astrophysics 474 (2): 653–664, Bibcode 2007A&A...474..653V, DOI:10.1051/0004-6361:20078357.
^ ^a ^b «NLTT 5367 -- High proper-motion Star». SIMBAD Astronomical Object Database. Centre de Données astronomiques de Strasbourg. Besøkt 20. mai 2009.
^ Lowrance, Patrick J.; Kirkpatrick, J. Davy; Beichman, Charles A. (2002). «A Distant Stellar Companion in the υ Andromedae System». The Astrophysical Journal Letters. 572 (1): L79–L81. Bibcode:2002ApJ...572L..79L. arXiv:astro-ph/0205277 . doi:10.1086/341554.
^ ^a ^b ^c McArthur, Barbara E.; m.fl. (2010). «New Observational Constraints on the υ Andromedae System with Data from the Hubble Space Telescope and Hobby Eberly Telescope» (PDF). Bibcode:2010ApJ...715.1203M. doi:10.1088/0004-637X/715/2/1203.
^ ^a ^b ^c Fuhrmann, Klaus; Pfeiffer, Michael J.; Bernkopf, Jan (August 1998), «F- and G-type stars with planetary companions: upsilon Andromedae, rho (1) Cancri, tau Bootis, 16 Cygni and rho Coronae Borealis», Astronomy and Astrophysics 336: 942–952, Bibcode 1998A&A...336..942F.
^ van Belle, Gerard T.; von Braun, Kaspar (2009). «Directly Determined Linear Radii and Effective Temperatures of Exoplanet Host Stars». The Astrophysical Journal. 694 (2): 1085–1098. Bibcode:2009ApJ...694.1085V. arXiv:0901.1206 . doi:10.1088/0004-637X/694/2/1085.
^ Takeda, Yoichi (April 2007), «Fundamental Parameters and Elemental Abundances of 160 F-G-K Stars Based on OAO Spectrum Database», Publications of the Astronomical Society of Japan 59 (2): 335–356, Bibcode 2007PASJ...59..335T.
^ Kovtyukh, V. V.; m.fl. (2003). «High precision effective temperatures for 181 F-K dwarfs from line-depth ratios». Astronomy and Astrophysics. 411 (3): 559–564. Bibcode:2003A&A...411..559K. arXiv:astro-ph/0308429 . doi:10.1051/0004-6361:20031378.
^ Simpson, E. K. m. fl.. (November 2010), «Rotation periods of exoplanet host stars», Monthly Notices of the Royal Astronomical Society 408 (3): 1666–1679, Bibcode 2010MNRAS.408.1666S, DOI:10.1111/j.1365-2966.2010.17230.x.
^ Barry, Don C.; Cromwell, Richard H.; Hege, E. Keith (April 1987), «Chromospheric activity and ages of solar-type stars», Astrophysical Journal, Part 1 315: 264–272, Bibcode 1987ApJ...315..264B, DOI:10.1086/165131.

[hipparcos-1] van Leeuwen, F. (November 2007), «Validation of the new Hipparcos reduction», Astronomy and Astrophysics 474 (2): 653–664, Bibcode 2007A&A...474..653V, DOI:10.1051/0004-6361:20078357.

[SIMBAD-2] «NLTT 5367 -- High proper-motion Star». SIMBAD Astronomical Object Database. Centre de Données astronomiques de Strasbourg. Besøkt 20. mai 2009.

[lowrance-3] Lowrance, Patrick J.; Kirkpatrick, J. Davy; Beichman, Charles A. (2002). «A Distant Stellar Companion in the υ Andromedae System». The Astrophysical Journal Letters. 572 (1): L79–L81. Bibcode:2002ApJ...572L..79L. arXiv:astro-ph/0205277 . doi:10.1086/341554.

[McArthur2010-4] McArthur, Barbara E.; m.fl. (2010). «New Observational Constraints on the υ Andromedae System with Data from the Hubble Space Telescope and Hobby Eberly Telescope» (PDF). Bibcode:2010ApJ...715.1203M. doi:10.1088/0004-637X/715/2/1203.

[aaa336_942-5] Fuhrmann, Klaus; Pfeiffer, Michael J.; Bernkopf, Jan (August 1998), «F- and G-type stars with planetary companions: upsilon Andromedae, rho (1) Cancri, tau Bootis, 16 Cygni and rho Coronae Borealis», Astronomy and Astrophysics 336: 942–952, Bibcode 1998A&A...336..942F.

[Belle-6] van Belle, Gerard T.; von Braun, Kaspar (2009). «Directly Determined Linear Radii and Effective Temperatures of Exoplanet Host Stars». The Astrophysical Journal. 694 (2): 1085–1098. Bibcode:2009ApJ...694.1085V. arXiv:0901.1206 . doi:10.1088/0004-637X/694/2/1085.

[pasj59_2_335-7] Takeda, Yoichi (April 2007), «Fundamental Parameters and Elemental Abundances of 160 F-G-K Stars Based on OAO Spectrum Database», Publications of the Astronomical Society of Japan 59 (2): 335–356, Bibcode 2007PASJ...59..335T.

[aaa411_3_559-8] Kovtyukh, V. V.; m.fl. (2003). «High precision effective temperatures for 181 F-K dwarfs from line-depth ratios». Astronomy and Astrophysics. 411 (3): 559–564. Bibcode:2003A&A...411..559K. arXiv:astro-ph/0308429 . doi:10.1051/0004-6361:20031378.

[mnras408_3_1666-9] Simpson, E. K. m. fl.. (November 2010), «Rotation periods of exoplanet host stars», Monthly Notices of the Royal Astronomical Society 408 (3): 1666–1679, Bibcode 2010MNRAS.408.1666S, DOI:10.1111/j.1365-2966.2010.17230.x.

[apj1_315_264-10] Barry, Don C.; Cromwell, Richard H.; Hege, E. Keith (April 1987), «Chromospheric activity and ages of solar-type stars», Astrophysical Journal, Part 1 315: 264–272, Bibcode 1987ApJ...315..264B, DOI:10.1086/165131.

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]