# HD 132563

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Triple star system in the constellation of Boötes

HD 132563 Observation data Epoch J2000 Equinox ICRS Constellation Boötes[1] A Right ascension 14h 58m 21.520s[2] Declination +44° 02′ 35.33″[2] Apparent magnitude (V) 8.966[3] B Right ascension 14h 58m 21.136s[4] Declination +44° 02′ 35.86″[4] Apparent magnitude (V) 9.472[3] Characteristics Spectral type F8 III[1] B−V color index 0.560[3] Astrometry A Radial velocity (Rv) −6.68±0.20[5] km/s Proper motion (μ) RA: −62.790[2] mas/yr Dec.: −67.676[2] mas/yr Parallax (π) 9.4137±0.0155 mas[2] Distance 346.5 ± 0.6 ly (106.2 ± 0.2 pc) Absolute magnitude (MV) 4.05[5] B Radial velocity (Rv) 6.05±0.20[5] km/s Proper motion (μ) RA: −57.480[4] mas/yr Dec.: −70.146[4] mas/yr Parallax (π) 9.4745±0.0112 mas[4] Distance 344.2 ± 0.4 ly (105.5 ± 0.1 pc) Absolute magnitude (MV) 4.56[5] Orbit[5] Primary Aa Name Ab Period (P) 47 yr Semi-major axis (a) 14.8 AU Eccentricity (e) 0.860 Periastron epoch (T) B 2012.34 Argument of periastron (ω) (secondary) 160.2° Orbit[5] Primary A Name B Period (P) 4,934[6] yr Semi-major axis (a) 4.1" (400 AU) Details Aa Mass 1.081±0.010[5] M☉ Radius 1.3[7] R☉ Luminosity 2.4[7] L☉ Surface gravity (log g) 4.15[3] cgs Temperature 6,168±100[3] K Metallicity [Fe/H] −0.18±0.10[3] dex Rotational velocity (v sin i) 3.9[8] km/s Age ~5[5] Gyr Ab Mass 0.6[6] M☉ B Mass 1.010±0.010[5] M☉ Radius 1.1[7] R☉ Luminosity 1.5[7] L☉ Surface gravity (log g) 4.27[3] cgs Temperature 5,985±100[3] K Metallicity [Fe/H] −0.19±0.10[3] dex Rotational velocity (v sin i) 3.4[8] km/s Other designations BD+44 2408, HIP 73261, SAO 45312[9] Database references SIMBAD data A B

**HD 132563** is a [triple star](/source/Triple_star) system in the constellation [Boötes](/source/Bo%C3%B6tes). The two resolvable components of this system are designated HD 132563A and HD 132563B. The primary star, HD 132563A, is actually a [spectroscopic binary](/source/Spectroscopic_binary) with a period of more than 15 years and an [orbital eccentricity](/source/Orbital_eccentricity) of greater than 0.65. The smaller member of this tightly orbiting pair has about 55% the [mass of the Sun](/source/Solar_mass).[5]

## Stellar system

Aa Period 47 yr Ab Separation 400 AU B

Hierarchy of orbits in the system

HD 132563 can be resolved into two stars with a separation of 4.1[″](/source/Second_of_arc) and magnitudes of 9.0 and 9.5.[6] These two stars have almost identical distances and [proper motions](/source/Proper_motion) and are widely accepted to form a binary system with a separation of about 400 [au](/source/Astronomical_unit).[5]

The primary, component A, consists of a star slightly more massive and hotter than the sun and an unseen companion with a mass of about 0.6 [M☉](/source/Solar_mass). These two stars circle each other in a highly eccentric orbit with separations varying between 2.1 au and 27.5 au[6] Based on evolutionary modelling and isochrone fitting, the primary is right at the end of its main sequence life and starting to expand into a [subgiant](/source/Subgiant).[5]

Component B is too far from the primary for orbital motion to have been observed, but it is estimated that an orbit would take about 5,000 years. It is [main sequence](/source/Main_sequence) star very similar to the Sun.[5]

A further 9th-magnitude star 65" from the primary is listed as component C in the [Washington Double Star Catalog](/source/Washington_Double_Star_Catalog),[10] but is much further away from us than the triple system.[11]

## Planetary system

Based upon radial velocity variations of HD 132563B, the presence of an ordinary [giant planet](/source/Giant_planet) has been inferred by S. Desidera *et al.* (2011). This object is orbiting the star with a period of 1,544 days, at a distance of about 2.6 [AU](/source/Astronomical_unit), and with an orbital eccentricity of 0.22.[5]

The HD 132563 planetary system[5] Companion (in order from star) Mass Semimajor axis (AU) Orbital period (days) Eccentricity Inclination (°) Radius b ≥1.49±0.09 MJ 2.62±0.04 1,544±34 0.22±0.09 — —

## References

1. ^ [***a***](#cite_ref-xhip_1-0) [***b***](#cite_ref-xhip_1-1) Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". *Astronomy Letters*. **38** (5): 331. [arXiv](/source/ArXiv_(identifier)):[1108.4971](https://arxiv.org/abs/1108.4971). [Bibcode](/source/Bibcode_(identifier)):[2012AstL...38..331A](https://ui.adsabs.harvard.edu/abs/2012AstL...38..331A). [doi](/source/Doi_(identifier)):[10.1134/S1063773712050015](https://doi.org/10.1134%2FS1063773712050015).

1. ^ [***a***](#cite_ref-dr3a_2-0) [***b***](#cite_ref-dr3a_2-1) [***c***](#cite_ref-dr3a_2-2) [***d***](#cite_ref-dr3a_2-3) [***e***](#cite_ref-dr3a_2-4) Vallenari, A.; et al. (Gaia collaboration) (2023). ["*Gaia* Data Release 3. Summary of the content and survey properties"](https://doi.org/10.1051%2F0004-6361%2F202243940). *Astronomy and Astrophysics*. **674**: A1. [arXiv](/source/ArXiv_(identifier)):[2208.00211](https://arxiv.org/abs/2208.00211). [Bibcode](/source/Bibcode_(identifier)):[2023A&A...674A...1G](https://ui.adsabs.harvard.edu/abs/2023A&A...674A...1G). [doi](/source/Doi_(identifier)):[10.1051/0004-6361/202243940](https://doi.org/10.1051%2F0004-6361%2F202243940). [S2CID](/source/S2CID_(identifier)) [244398875](https://api.semanticscholar.org/CorpusID:244398875). [Gaia DR3 record for this source](https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-source=+I%2F355&-from=nav&-nav=cat%3AI%2F355%26tab%3A%7BI%2F355%2Fgaiadr3%7D%26key%3Asource%3D1355%2Fgaiadr3%26HTTPPRM%3A%26-out.add%3D.%26Source%3D%3D%3D1585765117538284800%26-go+%25%23Sesame%23%25%26) at [VizieR](/source/VizieR).

1. ^ [***a***](#cite_ref-aaa420_683_3-0) [***b***](#cite_ref-aaa420_683_3-1) [***c***](#cite_ref-aaa420_683_3-2) [***d***](#cite_ref-aaa420_683_3-3) [***e***](#cite_ref-aaa420_683_3-4) [***f***](#cite_ref-aaa420_683_3-5) [***g***](#cite_ref-aaa420_683_3-6) [***h***](#cite_ref-aaa420_683_3-7) [***i***](#cite_ref-aaa420_683_3-8) Desidera, S.; et al. (June 2004). "Abundance difference between components of wide binaries". *Astronomy and Astrophysics*. **420** (2): 683–697. [arXiv](/source/ArXiv_(identifier)):[astro-ph/0403051](https://arxiv.org/abs/astro-ph/0403051). [Bibcode](/source/Bibcode_(identifier)):[2004A&A...420..683D](https://ui.adsabs.harvard.edu/abs/2004A&A...420..683D). [doi](/source/Doi_(identifier)):[10.1051/0004-6361:20041242](https://doi.org/10.1051%2F0004-6361%3A20041242). [S2CID](/source/S2CID_(identifier)) [56391176](https://api.semanticscholar.org/CorpusID:56391176).

1. ^ [***a***](#cite_ref-dr3b_4-0) [***b***](#cite_ref-dr3b_4-1) [***c***](#cite_ref-dr3b_4-2) [***d***](#cite_ref-dr3b_4-3) [***e***](#cite_ref-dr3b_4-4) Vallenari, A.; et al. (Gaia collaboration) (2023). ["*Gaia* Data Release 3. Summary of the content and survey properties"](https://doi.org/10.1051%2F0004-6361%2F202243940). *Astronomy and Astrophysics*. **674**: A1. [arXiv](/source/ArXiv_(identifier)):[2208.00211](https://arxiv.org/abs/2208.00211). [Bibcode](/source/Bibcode_(identifier)):[2023A&A...674A...1G](https://ui.adsabs.harvard.edu/abs/2023A&A...674A...1G). [doi](/source/Doi_(identifier)):[10.1051/0004-6361/202243940](https://doi.org/10.1051%2F0004-6361%2F202243940). [S2CID](/source/S2CID_(identifier)) [244398875](https://api.semanticscholar.org/CorpusID:244398875). [Gaia DR3 record for this source](https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-source=+I%2F355&-from=nav&-nav=cat%3AI%2F355%26tab%3A%7BI%2F355%2Fgaiadr3%7D%26key%3Asource%3D1355%2Fgaiadr3%26HTTPPRM%3A%26-out.add%3D.%26Source%3D%3D%3D1585765117538284928%26-go+%25%23Sesame%23%25%26) at [VizieR](/source/VizieR).

1. ^ [***a***](#cite_ref-arxiv1107.0918_5-0) [***b***](#cite_ref-arxiv1107.0918_5-1) [***c***](#cite_ref-arxiv1107.0918_5-2) [***d***](#cite_ref-arxiv1107.0918_5-3) [***e***](#cite_ref-arxiv1107.0918_5-4) [***f***](#cite_ref-arxiv1107.0918_5-5) [***g***](#cite_ref-arxiv1107.0918_5-6) [***h***](#cite_ref-arxiv1107.0918_5-7) [***i***](#cite_ref-arxiv1107.0918_5-8) [***j***](#cite_ref-arxiv1107.0918_5-9) [***k***](#cite_ref-arxiv1107.0918_5-10) [***l***](#cite_ref-arxiv1107.0918_5-11) [***m***](#cite_ref-arxiv1107.0918_5-12) [***n***](#cite_ref-arxiv1107.0918_5-13) [***o***](#cite_ref-arxiv1107.0918_5-14) Desidera, S.; et al. (July 5, 2011). "A giant planet in the triple system HD132563". *Astronomy & Astrophysics*. **533**: A90. [arXiv](/source/ArXiv_(identifier)):[1107.0918](https://arxiv.org/abs/1107.0918). [Bibcode](/source/Bibcode_(identifier)):[2011A&A...533A..90D](https://ui.adsabs.harvard.edu/abs/2011A&A...533A..90D). [doi](/source/Doi_(identifier)):[10.1051/0004-6361/201117191](https://doi.org/10.1051%2F0004-6361%2F201117191). [S2CID](/source/S2CID_(identifier)) [54938087](https://api.semanticscholar.org/CorpusID:54938087).

1. ^ [***a***](#cite_ref-msc_6-0) [***b***](#cite_ref-msc_6-1) [***c***](#cite_ref-msc_6-2) [***d***](#cite_ref-msc_6-3) Tokovinin, Andrei (2018). ["The Updated Multiple Star Catalog"](https://doi.org/10.3847%2F1538-4365%2Faaa1a5). *The Astrophysical Journal Supplement Series*. **235** (1): 6. [arXiv](/source/ArXiv_(identifier)):[1712.04750](https://arxiv.org/abs/1712.04750). [Bibcode](/source/Bibcode_(identifier)):[2018ApJS..235....6T](https://ui.adsabs.harvard.edu/abs/2018ApJS..235....6T). [doi](/source/Doi_(identifier)):[10.3847/1538-4365/aaa1a5](https://doi.org/10.3847%2F1538-4365%2Faaa1a5).

1. ^ [***a***](#cite_ref-tic_7-0) [***b***](#cite_ref-tic_7-1) [***c***](#cite_ref-tic_7-2) [***d***](#cite_ref-tic_7-3) Stassun, Keivan G.; et al. (2019). ["The Revised TESS Input Catalog and Candidate Target List"](https://doi.org/10.3847%2F1538-3881%2Fab3467). *The Astronomical Journal*. **158** (4): 138. [arXiv](/source/ArXiv_(identifier)):[1905.10694](https://arxiv.org/abs/1905.10694). [Bibcode](/source/Bibcode_(identifier)):[2019AJ....158..138S](https://ui.adsabs.harvard.edu/abs/2019AJ....158..138S). [doi](/source/Doi_(identifier)):[10.3847/1538-3881/ab3467](https://doi.org/10.3847%2F1538-3881%2Fab3467).

1. ^ [***a***](#cite_ref-sissa2016_8-0) [***b***](#cite_ref-sissa2016_8-1) Sissa, E.; Gratton, R.; Desidera, S.; Martinez Fiorenzano, A. F.; Bonfanti, A.; Carolo, E.; Vassallo, D.; Claudi, R. U.; Endl, M.; Cosentino, R. (2016). "Hα-activity and ages for stars in the SARG survey". *Astronomy and Astrophysics*. **596**. [arXiv](/source/ArXiv_(identifier)):[1609.04660](https://arxiv.org/abs/1609.04660). [Bibcode](/source/Bibcode_(identifier)):[2016A&A...596A..76S](https://ui.adsabs.harvard.edu/abs/2016A&A...596A..76S). [doi](/source/Doi_(identifier)):[10.1051/0004-6361/201628531](https://doi.org/10.1051%2F0004-6361%2F201628531).

1. **[^](#cite_ref-SIMBAD_9-0)** ["IDS 14548+4427"](http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=IDS+14548%2B4427). *[SIMBAD](/source/SIMBAD)*. [Centre de données astronomiques de Strasbourg](/source/Centre_de_donn%C3%A9es_astronomiques_de_Strasbourg). Retrieved 2011-07-14.

1. **[^](#cite_ref-wds_10-0)** Mason, Brian D.; Wycoff, Gary L.; Hartkopf, William I.; Douglass, Geoffrey G.; Worley, Charles E. (2001). "The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog". *The Astronomical Journal*. **122** (6): 3466. [Bibcode](/source/Bibcode_(identifier)):[2001AJ....122.3466M](https://ui.adsabs.harvard.edu/abs/2001AJ....122.3466M). [doi](/source/Doi_(identifier)):[10.1086/323920](https://doi.org/10.1086%2F323920).

1. **[^](#cite_ref-dr3c_11-0)** Vallenari, A.; et al. (Gaia collaboration) (2023). ["*Gaia* Data Release 3. Summary of the content and survey properties"](https://doi.org/10.1051%2F0004-6361%2F202243940). *Astronomy and Astrophysics*. **674**: A1. [arXiv](/source/ArXiv_(identifier)):[2208.00211](https://arxiv.org/abs/2208.00211). [Bibcode](/source/Bibcode_(identifier)):[2023A&A...674A...1G](https://ui.adsabs.harvard.edu/abs/2023A&A...674A...1G). [doi](/source/Doi_(identifier)):[10.1051/0004-6361/202243940](https://doi.org/10.1051%2F0004-6361%2F202243940). [S2CID](/source/S2CID_(identifier)) [244398875](https://api.semanticscholar.org/CorpusID:244398875). [Gaia DR3 record for this source](https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-source=+I%2F355&-from=nav&-nav=cat%3AI%2F355%26tab%3A%7BI%2F355%2Fgaiadr3%7D%26key%3Asource%3D1355%2Fgaiadr3%26HTTPPRM%3A%26-out.add%3D.%26Source%3D%3D%3D1585767350921279360%26-go+%25%23Sesame%23%25%26) at [VizieR](/source/VizieR).

## External links

- Voisey, Jon (July 14, 2011). ["New planet discovered in Trinary star system"](http://www.physorg.com/news/2011-07-planet-trinary-star.html). *PhysOrg*. Retrieved 2011-07-14.

v t e Constellation of Boötes Boötes in Chinese astronomy Boötes Void List of stars in Boötes Stars Bayer α (Arcturus) β (Nekkar) γ (Seginus) δ (Qigong) ε (Izar, Pulcherrima) ζ η (Muphrid) θ ι κ λ (Xuange) μ1 (Alkalurops) μ2 ν1 ν2 ξ ο π ρ (Kalasungsang) σ (Genghe) τ (Tepiamenit) υ φ χ ψ ω Flamsteed 1 2 3 6 (e) 7 9 10 11 12 (d) 13 14 15 18 20 22 (f) 24 (g) 26 31 32 33 34 (Alrumh) 38 (Merga) 39 40 44 (Quadrans) 45 (c) 46 (b) 47 (k) 50 Variable R S T RX ZZ AB BL BP BX BY CE CH CI CN CP CR CX CY (101 Vir) DE EK HN HP HD 118508 118889 122563 125040 125351 (A) 125658 126128 126129 126141 126200 126271 127304 127334 127726 128093 128198 129132 129357 130084 130603 130917 131040 131473 131496 (Arcalís) 132029 132406 132563 134064 134335 135438 135530 135944 141399 Other 2MASS J15031961+2525196 CFBDSIR 1458+10 Gliese 526 HAT-P-4 LHS 2924 PSR J1544+4937 SDSS J1416+1348 SDSS J1433+1011 TVLM 513-46546 WASP-14 WD 1425+540 ZTF J153932.16+502738.8 Exoplanets HAT-P-4b HD 128311 b c HD 132406 b HD 136418 b (Awasis) τ Boötis b TOI-1853 b WASP-14b Star clusters NGC 5466 Galaxies NGC 5008 5248 5251 5416 5490 5500 5504 5508 5514 5523 5529 5532 5533 5535 5539 5541 5544 5545 5548 5557 5559 5562 5579 5582 5591 5601 5603 5609 5613 5614 5615 5624 5629 5630 5641 5642 5653 5665 5676 5681 5682 5683 5698 5714 5722 5752 5753 5754 5755 5772 5778 5784 5790 5820 5821 5829 5837 5857 5875 5876 5886 5888 5896 5929 5930 5966 Numbered I II III Other 3C 295 3C 299 3C 300 3C 303 3C 315 4C 19.44 4C +26.42 7C 1354+2552 Abell 2009 BCG Arp 302 B2 1420+32 B2 1441+26 CEERS-2112 CEERS-93316 CEERS2-588 CLASS B1359+154 Cloverleaf quasar DDO 190 EGS-zs8-1 EGS-z11-R0 EGSY8p7 H1426+428 IC 4397 IC 4461 IC 4462 IC 4481 IC 4516 IRAS 13349+2438 IRAS 14394+5332 IRAS 15206+3342 LEDA 2108986 MACS 1423-z7p64 MACS J1447.4+0827 BCG Maisie's Galaxy Markarian 463 Markarian 471 Markarian 478 MS 1455.0+2232 BCG MS 1512-cB58 NVSS J141343+433945 OQ 172 OQ 530 PG 1411+442 PG 1543+489 PGC 93125 PGC 1470080 PKS 1345+125 PKS 1413+135 QSO B1422+202 RBS 1467 RGZ J145001.5+144747 RGZ J145039.8+441829 SBS 1415+437 SDSS J135646.10+102609.0 SDSS J1430+2303 Teacup galaxy UGC 8669 UGC 9128 UGC 9425 UGC 9684 UGC 9796 ULAS J1342+0928 VV 191 Galaxy clusters Abell 1795 Abell 1991 BoRG-58 IDCS J1426.5+3508 Astronomical events GRB 990123 GRB 080319B SCP 06F6 SN 2003fg SN 2005bc SN 2020tlf Category

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