# HD 76151

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Star in the constellation Hydra

HD 76151 Location of HD 76151 (circled in red) Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) Constellation Hydra[1] Right ascension 08h 54m 17.9471s[2] Declination −05° 26′ 04.054″[2] Apparent magnitude (V) 6.00[3] Characteristics Evolutionary stage Main sequence[2] Spectral type G2V[4] U−B color index +0.22[5] B−V color index +0.67[5] R−I color index +0.21[5] Astrometry Radial velocity (Rv) 31.99±0.12[2] km/s Proper motion (μ) RA: −413.648 mas/yr[2] Dec.: 30.619 mas/yr[2] Parallax (π) 59.3595±0.0408 mas[2] Distance 54.95 ± 0.04 ly (16.85 ± 0.01 pc) Absolute magnitude (MV) +4.81[1] Details[4] Mass 1.053+0.056 −0.068 M☉ Radius 1.125+0.035 −0.011 R☉ Surface gravity (log g) 4.35±0.18 cgs Temperature 5,790±170 K Metallicity [Fe/H] 0.24±0.09 dex Rotation 15 days[6] Rotational velocity (v sin i) 3[7] km/s Age 5.5+2.5 −2.1 Gyr Other designations BD−04 2490, GC 12307, GJ 327, HD 76151, HIP 43726, HR 3538, SAO 136389, PPM 191823, LTT 3283, NLTT 20504[3] Database references SIMBAD data

**HD 76151** is a high [proper motion](/source/Proper_motion), [G-type main-sequence star](/source/G-type_main-sequence_star) and [solar analog](/source/Solar_analog)[4] in the [constellation](/source/Constellation) of [Hydra](/source/Hydra_(constellation)) 54.95 [light-years](/source/Light-year) from Earth.[2] It has an [apparent visual magnitude](/source/Apparent_visual_magnitude) of approximately 6.00, which means it is faintly visible to the naked eye under good viewing conditions.[3] An [infrared excess](/source/Infrared_excess) has been detected around this star, most likely indicating the presence of a [circumstellar disk](/source/Circumstellar_disk) at a radius of 7.9 [AU](/source/Astronomical_Unit). The temperature of this dust is 99 K.[8]

HD 76151 has an age of roughly 5.5 billion years old, with estimates ranging from 3.4 to 9.6 billion years. The [stellar atmosphere](/source/Stellar_atmosphere) has an [effective temperature](/source/Effective_temperature) of around 5,790 [K](/source/Kelvin) (5,520 [°C](/source/Celsius); 9,960 [°F](/source/Fahrenheit)). The radius of HD 76151 is 1.125 solar radii (783,000 km) based on [spectroscopic](/source/Astronomical_spectroscopy) observations, though [Gaia DR3](/source/Gaia_DR3) estimates a radius of 0.977 solar radii (680,000 km). It is slightly [metal-rich](/source/Metallicity) and is a member of the [thin disk](/source/Thin_disk) population.[4]

## References

1. ^ [***a***](#cite_ref-Anderson2012_1-0) [***b***](#cite_ref-Anderson2012_1-1) Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". *[Astronomy Letters](/source/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). [XHIP record for this object](https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-ref=VIZ681510a8389ecb&-out.src=V%2F137D%2FXHIP&-nav=cat%3AV%2F137D%26tab%3A{V%2F137D%2FXHIP}%26key%3Asource%3DV%2F137D%2FXHIP%26HTTPPRM%3A&-source=V%2F137D%2FXHIP&-out=HIP&HIP=43726&-out=Comp&-out=Gr&-out=RAJ2000&-out=DEJ2000&-out=Dist&-out=X&-out=Y&-out=Z&-out=SpType&-out=Simbad&-out=Hpmag&-out=Lum&-out=Cst) at [VizieR](/source/VizieR).

1. ^ [***a***](#cite_ref-GaiaDR3_2-0) [***b***](#cite_ref-GaiaDR3_2-1) [***c***](#cite_ref-GaiaDR3_2-2) [***d***](#cite_ref-GaiaDR3_2-3) [***e***](#cite_ref-GaiaDR3_2-4) [***f***](#cite_ref-GaiaDR3_2-5) [***g***](#cite_ref-GaiaDR3_2-6) 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%3D5760701787150565888%26-go+%25%23Sesame%23%25%26) at [VizieR](/source/VizieR).

1. ^ [***a***](#cite_ref-sb0_3-0) [***b***](#cite_ref-sb0_3-1) [***c***](#cite_ref-sb0_3-2) ["HD 76151"](http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+76151). *[SIMBAD](/source/SIMBAD)*. [Centre de données astronomiques de Strasbourg](/source/Centre_de_donn%C3%A9es_astronomiques_de_Strasbourg). Retrieved January 20, 2011.

1. ^ [***a***](#cite_ref-Senturk2024_4-0) [***b***](#cite_ref-Senturk2024_4-1) [***c***](#cite_ref-Senturk2024_4-2) [***d***](#cite_ref-Senturk2024_4-3) Senturk, S.; et al. (October 2024). ["Near-Infrared Spectroscopy of the Sun and Solar Analog Star HD 76151: Compiling an Extensive Line List in Y-, J-, H-, and K-Bands"](https://doi.org/10.3847%2F1538-4357%2Fad85e4). *[The Astrophysical Journal](/source/The_Astrophysical_Journal)*. **976** (2). id. 175. [arXiv](/source/ArXiv_(identifier)):[2410.08270](https://arxiv.org/abs/2410.08270). [Bibcode](/source/Bibcode_(identifier)):[2024ApJ...976..175S](https://ui.adsabs.harvard.edu/abs/2024ApJ...976..175S). [doi](/source/Doi_(identifier)):[10.3847/1538-4357/ad85e4](https://doi.org/10.3847%2F1538-4357%2Fad85e4).

1. ^ [***a***](#cite_ref-bsc1_5-0) [***b***](#cite_ref-bsc1_5-1) [***c***](#cite_ref-bsc1_5-2) [HR 3538](http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=V/50/catalog&recno=3538), database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., [CDS](/source/Centre_de_Donn%C3%A9es_astronomiques_de_Strasbourg) ID [V/50](http://vizier.u-strasbg.fr/viz-bin/Cat?V/50). Accessed on line January 20, 2011.

1. **[^](#cite_ref-aaa521_A12_6-0)** Maldonado, J.; et al. (October 2010), "A spectroscopy study of nearby late-type stars, possible members of stellar kinematic groups", *Astronomy and Astrophysics*, **521**: A12, [arXiv](/source/ArXiv_(identifier)):[1007.1132](https://arxiv.org/abs/1007.1132), [Bibcode](/source/Bibcode_(identifier)):[2010A&A...521A..12M](https://ui.adsabs.harvard.edu/abs/2010A&A...521A..12M), [doi](/source/Doi_(identifier)):[10.1051/0004-6361/201014948](https://doi.org/10.1051%2F0004-6361%2F201014948), [S2CID](/source/S2CID_(identifier)) [119209183](https://api.semanticscholar.org/CorpusID:119209183)

1. **[^](#cite_ref-geneva2_7-0)** [HD 76151](http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=V/117A/newcat.dat&recno=5971), database entry, The Geneva-Copenhagen Survey of Solar neighbourhood, J. Holmberg et al., 2007, [CDS](/source/Centre_de_Donn%C3%A9es_astronomiques_de_Strasbourg) ID [V/117A](http://cdsarc.u-strasbg.fr/viz-bin/Cat?V/117A). Accessed on line January 20, 2011.

1. **[^](#cite_ref-aa555_A11_8-0)** Eiroa, C.; et al. (July 2013). "DUst around NEarby Stars. The survey observational results". *Astronomy & Astrophysics*. **555**: A11. [arXiv](/source/ArXiv_(identifier)):[1305.0155](https://arxiv.org/abs/1305.0155). [Bibcode](/source/Bibcode_(identifier)):[2013A&A...555A..11E](https://ui.adsabs.harvard.edu/abs/2013A&A...555A..11E). [doi](/source/Doi_(identifier)):[10.1051/0004-6361/201321050](https://doi.org/10.1051%2F0004-6361%2F201321050). [S2CID](/source/S2CID_(identifier)) [377244](https://api.semanticscholar.org/CorpusID:377244).

v t e Constellation of Hydra List of stars in Hydra Hydra in Chinese astronomy Stars Bayer α (Alphard) β γ (Naga) δ ε (Ashlesha) ζ η θ ι (Ukdah) κ λ μ ν ξ ο π ρ σ (Minchir) τ1 τ2 υ1 (Zhang) υ2 φ1 φ2 φ3 χ1 χ2 ψ ω b1 b3 C F Flamsteed 1 2 3 6 (a) 9 10 12 (D) 14 15 17 19 20 21 23 24 25 26 27 (P) 28 29 33 (A) 34 37 44 47 48 50 51 (k) 52 (l) 54 (m) 55 56 57 58 (Solitaire) 59 60 10 Crt 17 Crt 20 Crt 2 Sex Variable R U V W TW EX HS KU LQ V361 V419 V421 V478 V484 HR 3378 3538 3749 (G) 3750 3858 (I) 3862 3919 3923 (Felis) 4162 4328 4339 (β Ant) 4445 5265 HD 72659 74156 82943 86226 86264 90156 (γ Ant) Other 2MASS 1114−2618 ESO 439-26 Gliese 328 Gliese 357 Gliese 433 Gliese 453 GJ 3634 HAT-P-30 HE 1256−2738 HE 1327−2326 LHS 2065 LHS 3003 LTT 3780 SDSS J090745.0+024507 WASP-25 WASP-36 WASP-84 WASP-166 (Filetdor) WISE 0855−0714 WISEA J1141−3326 Exoplanets Gliese 357 d HD 72659 b HD 74156 b c HD 82943 b c HD 86226 b HD 86264 b TW Hydrae b (unconfirmed) WASP-193b Star clusters Messier 48 Messier 68 NGC 5694 Price-Whelan 1 Nebulae Abell 33 Abell 35 NGC 3242 Southern Owl Nebula Galaxies Messier 83 NGC 2617 2642 2697 2708 2758 2835 2848 2865 2890 2935 2936 2937 2960 2962 2986 2992 3030 3052 3054 3081 3109 3124 3200 3285 3285B 3290 3305 3307 3308 3309 3311 3312 3313 3314 3315 3316 3336 3369 3383 3393 3402 3463 3464 3585 3621 3673 3717 3904 3923 3936 4980 4993 5042 5061 5078 5085 5101 5135 5260 5264 5495 5626 Other 3C 196.1 AM 1316−241 Arp 7 CTQ 327 ESO 510-G13 GAMA202627 GLEAM J0917−0012 Hydra A IC 535 MRC 1138−262 Peekaboo Galaxy PKS 1151−348 RX J0911.4+0551 SDSS J0841+0101 TN J0924−2201 Tololo 1247−232 ZwCl 1693 BCG Galaxy clusters Abell 754 Abell 3411 Abell 3412 Bullet Group Hickson 40 Astronomical events GW170817 Category

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Adapted from the Wikipedia article [HD 76151](https://en.wikipedia.org/wiki/HD_76151) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/HD_76151?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.