HD 126009

HD 126009
	; Thevisual bandlight curveof HD 126009, plotted from data presented by Taburet al.(2009)
Observation data; EpochJ2000EquinoxJ2000
Constellation	Boötes
Right ascension	14h22m14.00070s
Declination	+29° 22′ 11.7179″
Apparent magnitude(V)	6.6
Characteristics
Spectral type	M3III
U−Bcolor index	+1.46
B−Vcolor index	+1.60
Variable type	Irregular
Astrometry
Radial velocity(Rv)	−19.66±0.54km/s
Proper motion(μ)	RA:−39.980mas/yr; Dec.:−26.201mas/yr
Parallax(π)	4.5229 ± 0.0973mas
Distance	720 ± 20ly; (221 ± 5pc)
Absolute magnitude(MV)	−0.268
Details
Mass	1.8M☉
Radius	71R☉
Luminosity	943L☉
Temperature	3,227K
Age	1.6Gyr
Other designations
	CI Boötes,BD+30°2513,HD126009,HIP70236,SAO83312.
Database references
SIMBAD	data

HD 126009orCI Boötisis avariable star^[4]in the northernconstellationofBoötes.

References

^Tabur, V.; Bedding, T. R.; Kiss, L. L.; Moon, T. T.; Szeidl, B.; Kjeldsen, H. (December 2009)."Long-term photometry and periods for 261 nearby pulsating M giants".Monthly Notices of the Royal Astronomical Society.400(4): 1945–1961.arXiv:0908.3228.Bibcode:2009MNRAS.400.1945T.doi:10.1111/j.1365-2966.2009.15588.x.
^^a ^b ^c ^d ^e ^f ^g ^h ⁱVallenari, A.; et al. (Gaia collaboration) (2023)."GaiaData Release 3. Summary of the content and survey properties ".Astronomy and Astrophysics.674:A1.arXiv:2208.00211.Bibcode:2023A&A...674A...1G.doi:10.1051/0004-6361/202243940.S2CID 244398875. Gaia DR3 record for this sourceatVizieR.
^^a ^b ^cMermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)",Catalogue of Eggen's UBV Data. SIMBAD,Bibcode:1986EgUBV........0M
^^a ^bTabur, V.;Bedding, T. R.(2009), "Long-term photometry and periods for 261 nearby pulsating M giants",Monthly Notices of the Royal Astronomical Society,400(4): 1945–61,arXiv:0908.3228,Bibcode:2009MNRAS.400.1945T,doi:10.1111/j.1365-2966.2009.15588.x,S2CID 15358380
^Mennessier, M. O.; et al. (August 2001), "Long period variable stars: galactic populations and infrared luminosity calibrations",Astronomy and Astrophysics,374(3): 968–979,arXiv:astro-ph/0105552,Bibcode:2001A&A...374..968M,doi:10.1051/0004-6361:20010764,S2CID 15721872.
^Famaey, B.; et al. (2009). "Spectroscopic binaries among Hipparcos M giants,. I. Data, orbits, and intrinsic variations".Astronomy and Astrophysics.498(2): 627–640.arXiv:0901.0934.Bibcode:2009A&A...498..627F.doi:10.1051/0004-6361/200810698.S2CID 18739721.
^Gontcharov, G. A. (2017). "VizieR Online Data Catalog: Tycho-2 red giant branch and carbon stars (Gontcharov, 2011)".VizieR On-Line Data Catalog.Bibcode:2017yCat..90370769G.
^Soubiran, Caroline; Le Campion, Jean-François; Brouillet, Nathalie; Chemin, Laurent (2016). "The PASTEL catalogue: 2016 version".Astronomy & Astrophysics.591:A118.arXiv:1605.07384.Bibcode:2016A&A...591A.118S.doi:10.1051/0004-6361/201628497.S2CID 119258214.

External links

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[Tabur-1] Tabur, V.; Bedding, T. R.; Kiss, L. L.; Moon, T. T.; Szeidl, B.; Kjeldsen, H. (December 2009)."Long-term photometry and periods for 261 nearby pulsating M giants".Monthly Notices of the Royal Astronomical Society.400(4): 1945–1961.arXiv:0908.3228.Bibcode:2009MNRAS.400.1945T.doi:10.1111/j.1365-2966.2009.15588.x.

[dr3-2] ^^a ^b ^c ^d ^e ^f ^g ^h ⁱVallenari, A.; et al. (Gaia collaboration) (2023)."GaiaData Release 3. Summary of the content and survey properties ".Astronomy and Astrophysics.674:A1.arXiv:2208.00211.Bibcode:2023A&A...674A...1G.doi:10.1051/0004-6361/202243940.S2CID 244398875. Gaia DR3 record for this sourceatVizieR.

[MERMILLIOD-3] Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)",Catalogue of Eggen's UBV Data. SIMBAD,Bibcode:1986EgUBV........0M

[tabur-4] Tabur, V.;Bedding, T. R.(2009), "Long-term photometry and periods for 261 nearby pulsating M giants",Monthly Notices of the Royal Astronomical Society,400(4): 1945–61,arXiv:0908.3228,Bibcode:2009MNRAS.400.1945T,doi:10.1111/j.1365-2966.2009.15588.x,S2CID 15358380

[aaa374_968-5] Mennessier, M. O.; et al. (August 2001), "Long period variable stars: galactic populations and infrared luminosity calibrations",Astronomy and Astrophysics,374(3): 968–979,arXiv:astro-ph/0105552,Bibcode:2001A&A...374..968M,doi:10.1051/0004-6361:20010764,S2CID 15721872.

[Famaey2009-6] Famaey, B.; et al. (2009). "Spectroscopic binaries among Hipparcos M giants,. I. Data, orbits, and intrinsic variations".Astronomy and Astrophysics.498(2): 627–640.arXiv:0901.0934.Bibcode:2009A&A...498..627F.doi:10.1051/0004-6361/200810698.S2CID 18739721.

[gontcharov2011-7] Gontcharov, G. A. (2017). "VizieR Online Data Catalog: Tycho-2 red giant branch and carbon stars (Gontcharov, 2011)".VizieR On-Line Data Catalog.Bibcode:2017yCat..90370769G.

[pastel-8] Soubiran, Caroline; Le Campion, Jean-François; Brouillet, Nathalie; Chemin, Laurent (2016). "The PASTEL catalogue: 2016 version".Astronomy & Astrophysics.591:A118.arXiv:1605.07384.Bibcode:2016A&A...591A.118S.doi:10.1051/0004-6361/201628497.S2CID 119258214.

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Observation data EpochJ2000EquinoxJ2000
Thevisual band light curveof HD 126009, plotted from data presented by Taburet al.(2009)^[1]
Constellation	Boötes
Right ascension	14^h22^m14.00070^s^[2]
Declination	+29° 22′ 11.7179″^[2]
Apparent magnitude(V)	6.6^[3]
Characteristics
Spectral type	M3III^[4]
U−Bcolor index	+1.46^[3]
B−Vcolor index	+1.60^[3]
Variable type	Irregular^[5]
Astrometry

Radial velocity(R_v)	−19.66±0.54^[6]km/s
Proper motion(μ)	RA:−39.980^[2]mas/yr Dec.:−26.201^[2]mas/yr
Parallax(π)	4.5229 ± 0.0973mas^[2]
Distance	720 ± 20ly (221 ± 5pc)
Absolute magnitude(M_V)	−0.268^[7]

Details

Mass	1.8^[2]`M`_☉
Radius	71^[2]`R`_☉
Luminosity	943^[2]`L`_☉
Temperature	3,227^[8]K
Age	1.6^[2]Gyr

Other designations
CI Boötes,BD+30°2513,HD126009,HIP70236,SAO83312.
Database references
SIMBAD	data