HD 153221

HD 153221
Observation data; EpochJ2000EquinoxJ2000
Constellation	Ara
Right ascension	17h00m26.95941s
Declination	−48° 38′ 51.9319″
Apparent magnitude(V)	6.00(6.34 + 7.69)
Characteristics
Spectral type	G8/K0 III + G
B−Vcolor index	+0.88
Astrometry
Radial velocity(Rv)	−28.6km/s
Proper motion(μ)	RA:−17.93mas/yr; Dec.:−80.49mas/yr
Parallax(π)	9.36 ± 0.75mas
Distance	350 ± 30ly; (107 ± 9pc)
Details
Luminosity	49.5L☉
Temperature	4,993K
Rotational velocity(vsini)	4.4km/s
Other designations
	CD-48° 11360,HD153221,HIP83216,HR6300,SAO227542.
Database references
SIMBAD	data

HD 153221is adouble starin the southernconstellationofAra.As of 2012, the pair have anangular separationof 1.10″along aposition angleof 172°.^[3]

References

^^a ^b ^c ^d ^evan 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.
^^a ^bNicolet, B. (1978), "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System",Astronomy and Astrophysics Supplement Series,34:1–49,Bibcode:1978A&AS...34....1N.
^^a ^bMason, B. D.; et al. (2014),"The Washington Visual Double Star Catalog",The Astronomical Journal,122(6): 3466,Bibcode:2001AJ....122.3466M,doi:10.1086/323920,retrieved2015-07-22
^Houk, Nancy (1978),Michigan catalogue of two-dimensional spectral types for the HD stars,vol. 2, Ann Arbor: Dept. of Astronomy, University of Michigan,Bibcode:1978mcts.book.....H.
^Evans, D. S. (June 20–24, 1966), "The Revision of the General Catalogue of Radial Velocities", in Batten, Alan Henry; Heard, John Frederick (eds.),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.
^^a ^bMcDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars",Monthly Notices of the Royal Astronomical Society,427(1): 343–57,arXiv:1208.2037,Bibcode:2012MNRAS.427..343M,doi:10.1111/j.1365-2966.2012.21873.x,S2CID 118665352
^Schröder, C.; Reiners, Ansgar; Schmitt, Jürgen H. M. M. (January 2009),"Ca II HK emission in rapidly rotating stars. Evidence for an onset of the solar-type dynamo"(PDF),Astronomy and Astrophysics,493(3): 1099–1107,Bibcode:2009A&A...493.1099S,doi:10.1051/0004-6361:200810377^{[permanent dead link]}

External links

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[vanLeeuwen2007-1] 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.

[aass34_1-2] Nicolet, B. (1978), "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System",Astronomy and Astrophysics Supplement Series,34:1–49,Bibcode:1978A&AS...34....1N.

[WDSC2014-3] Mason, B. D.; et al. (2014),"The Washington Visual Double Star Catalog",The Astronomical Journal,122(6): 3466,Bibcode:2001AJ....122.3466M,doi:10.1086/323920,retrieved2015-07-22

[houk1978-4] Houk, Nancy (1978),Michigan catalogue of two-dimensional spectral types for the HD stars,vol. 2, Ann Arbor: Dept. of Astronomy, University of Michigan,Bibcode:1978mcts.book.....H.

[rgcrv-5] Evans, D. S. (June 20–24, 1966), "The Revision of the General Catalogue of Radial Velocities", in Batten, Alan Henry; Heard, John Frederick (eds.),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.

[Mcdonald2012-6] McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars",Monthly Notices of the Royal Astronomical Society,427(1): 343–57,arXiv:1208.2037,Bibcode:2012MNRAS.427..343M,doi:10.1111/j.1365-2966.2012.21873.x,S2CID 118665352

[aaa493_3_1099-7] Schröder, C.; Reiners, Ansgar; Schmitt, Jürgen H. M. M. (January 2009),"Ca II HK emission in rapidly rotating stars. Evidence for an onset of the solar-type dynamo"(PDF),Astronomy and Astrophysics,493(3): 1099–1107,Bibcode:2009A&A...493.1099S,doi:10.1051/0004-6361:200810377^{[permanent dead link]}

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Observation data EpochJ2000EquinoxJ2000
Constellation	Ara
Right ascension	17^h00^m26.95941^s^[1]
Declination	−48° 38′ 51.9319″^[1]
Apparent magnitude(V)	6.00^[2](6.34 + 7.69)^[3]
Characteristics
Spectral type	G8/K0 III + G^[4]
B−Vcolor index	+0.88^[2]
Astrometry

Radial velocity(R_v)	−28.6^[5]km/s
Proper motion(μ)	RA:−17.93^[1]mas/yr Dec.:−80.49^[1]mas/yr
Parallax(π)	9.36 ± 0.75mas^[1]
Distance	350 ± 30ly (107 ± 9pc)

Details

Luminosity	49.5^[6]`L`_☉
Temperature	4,993^[6]K
Rotational velocity(vsini)	4.4^[7]km/s

Other designations
CD-48° 11360,HD153221,HIP83216,HR6300,SAO227542.
Database references
SIMBAD	data