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Phi1 Cancri

May 03, 2024

For other stars with this Bayer designation, see φ Cancri.

Phi1 Cancri, Latinised from φ1 Cancri, is a solitary,[3] orange-hued star in the constellation Cancer. It is faintly visible to the naked eye with an apparent visual magnitude of +5.57.[2] Based upon an annual parallax shift of 8.74 mas,[1] it is approximately 370 light-years from the Sun.

Phi1 Cancri
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Cancer
Right ascension 08h 26m 27.70615s[1]
Declination +27° 53′ 36.8867″[1]
Apparent magnitude (V) +5.57[2]
Characteristics
Spectral type K5 III[3]
U−B color index +1.68[2]
B−V color index +1.40[2]
Astrometry
Radial velocity (Rv)+25.25±0.19[4] km/s
Proper motion (μ) RA: −33.28[1] mas/yr
Dec.: −116.17[1] mas/yr
Parallax (π)8.74 ± 0.40 mas[1]
Distance370 ± 20 ly
(114 ± 5 pc)
Absolute magnitude (MV)+0.29[5]
Details
Radius17[6] R☉
Luminosity121[7] L☉
Temperature4,138[7] K
Metallicity [Fe/H]−0.134±0.093[8] dex
Rotational velocity (v sin i)1.3[9] km/s
Other designations
φ1 Cnc, 22 Cancri, BD+28° 1602, FK5 2656, HD 71093, HIP 41377, HR 3304, SAO 80181[10]
Database references
SIMBADdata

This is an evolved K-type giant star with a stellar classification of K5 III.[3] The measured angular diameter of this star, after correction for limb darkening, is 1.87±0.02 mas.[11] At the estimated distance of Phi1 Cancri, this yields a physical size of about 17 times the radius of the Sun.[6] It is radiating 121 times the Sun's luminosity from its photosphere at an effective temperature of 4,138 K.[7]

References edit

  1. ^ a b c d e f van Leeuwen, F. (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.
  2. ^ a b c d Ducati, J. R. (2002), "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system", CDS/ADC Collection of Electronic Catalogues, 2237, Bibcode:2002yCat.2237....0D.
  3. ^ a b c Eggleton, P. P.; Tokovinin, A. A. (September 2008), "A catalogue of multiplicity among bright stellar systems", Monthly Notices of the Royal Astronomical Society, 389 (2): 869–879, arXiv:0806.2878, Bibcode:2008MNRAS.389..869E, doi:10.1111/j.1365-2966.2008.13596.x, S2CID 14878976.
  4. ^ de Bruijne, J. H. J.; Eilers, A.-C. (October 2012), "Radial velocities for the HIPPARCOS-Gaia Hundred-Thousand-Proper-Motion project", Astronomy & Astrophysics, 546: 14, arXiv:1208.3048, Bibcode:2012A&A...546A..61D, doi:10.1051/0004-6361/201219219, S2CID 59451347, A61.
  5. ^ Anderson, E.; Francis, Ch. (2012), "XHIP: An extended hipparcos compilation", Astronomy Letters, 38 (5): 331, arXiv:1108.4971, Bibcode:2012AstL...38..331A, doi:10.1134/S1063773712050015, S2CID 119257644.
  6. ^ a b Lang, Kenneth R. (2006), Astrophysical formulae, Astronomy and astrophysics library, vol. 1 (3rd ed.), Birkhäuser, ISBN 3-540-29692-1. The radius (R*) is given by:
     
  7. ^ a b c Cousins, A. W. J.; et al. (1966), "Photoelectric magnitudes and colours of southern stars, II", Royal Observatory Bulletins, 121: 1, Bibcode:1966RGOB..121....1C.
  8. ^ Taylor, B. J. (February 1999), "Catalogs of temperatures and [Fe/H] averages for evolved G and K stars", Astronomy and Astrophysics Supplement, 134 (3): 523–524, Bibcode:1999A&AS..134..523T, doi:10.1051/aas:1999153.
  9. ^ De Medeiros, J. R.; et al. (November 2000), "Rotation and lithium in single giant stars", Astronomy and Astrophysics, 363: 239–243, arXiv:astro-ph/0010273, Bibcode:2000A&A...363..239D.
  10. ^ "phi01 Cnc". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2017-06-09.
  11. ^ Richichi, A.; et al. (February 2005), "CHARM2: An updated Catalog of High Angular Resolution Measurements", Astronomy and Astrophysics, 431 (2): 773–777, Bibcode:2005A&A...431..773R, doi:10.1051/0004-6361:20042039.

May 03, 2024
phi1, cancri, other, stars, with, this, bayer, designation, cancri, latinised, from, cancri, solitary, orange, hued, star, constellation, cancer, faintly, visible, naked, with, apparent, visual, magnitude, based, upon, annual, parallax, shift, approximately, l. For other stars with this Bayer designation see f Cancri Phi1 Cancri Latinised from f1 Cancri is a solitary 3 orange hued star in the constellation Cancer It is faintly visible to the naked eye with an apparent visual magnitude of 5 57 2 Based upon an annual parallax shift of 8 74 mas 1 it is approximately 370 light years from the Sun Phi1 Cancri Observation dataEpoch J2000 0 Equinox J2000 0 ICRS Constellation Cancer Right ascension 08h 26m 27 70615s 1 Declination 27 53 36 8867 1 Apparent magnitude V 5 57 2 Characteristics Spectral type K5 III 3 U B color index 1 68 2 B V color index 1 40 2 AstrometryRadial velocity Rv 25 25 0 19 4 km sProper motion m RA 33 28 1 mas yr Dec 116 17 1 mas yrParallax p 8 74 0 40 mas 1 Distance370 20 ly 114 5 pc Absolute magnitude MV 0 29 5 DetailsRadius17 6 R Luminosity121 7 L Temperature4 138 7 KMetallicity Fe H 0 134 0 093 8 dexRotational velocity v sin i 1 3 9 km s Other designationsf1 Cnc 22 Cancri BD 28 1602 FK5 2656 HD 71093 HIP 41377 HR 3304 SAO 80181 10 Database referencesSIMBADdata This is an evolved K type giant star with a stellar classification of K5 III 3 The measured angular diameter of this star after correction for limb darkening is 1 87 0 02 mas 11 At the estimated distance of Phi1 Cancri this yields a physical size of about 17 times the radius of the Sun 6 It is radiating 121 times the Sun s luminosity from its photosphere at an effective temperature of 4 138 K 7 References edit a b c d e f van Leeuwen F 2007 Validation of the new Hipparcos reduction Astronomy and Astrophysics 474 2 653 664 arXiv 0708 1752 Bibcode 2007A amp A 474 653V doi 10 1051 0004 6361 20078357 S2CID 18759600 a b c d Ducati J R 2002 VizieR Online Data Catalog Catalogue of Stellar Photometry in Johnson s 11 color system CDS ADC Collection of Electronic Catalogues 2237 Bibcode 2002yCat 2237 0D a b c Eggleton P P Tokovinin A A September 2008 A catalogue of multiplicity among bright stellar systems Monthly Notices of the Royal Astronomical Society 389 2 869 879 arXiv 0806 2878 Bibcode 2008MNRAS 389 869E doi 10 1111 j 1365 2966 2008 13596 x S2CID 14878976 de Bruijne J H J Eilers A C October 2012 Radial velocities for the HIPPARCOS Gaia Hundred Thousand Proper Motion project Astronomy amp Astrophysics 546 14 arXiv 1208 3048 Bibcode 2012A amp A 546A 61D doi 10 1051 0004 6361 201219219 S2CID 59451347 A61 Anderson E Francis Ch 2012 XHIP An extended hipparcos compilation Astronomy Letters 38 5 331 arXiv 1108 4971 Bibcode 2012AstL 38 331A doi 10 1134 S1063773712050015 S2CID 119257644 a b Lang Kenneth R 2006 Astrophysical formulae Astronomy and astrophysics library vol 1 3rd ed Birkhauser ISBN 3 540 29692 1 The radius R is given by 2 R 84 5 1 87 10 3 AU 0 0046491 AU R 34 R displaystyle begin aligned 2 cdot R amp frac 84 5 cdot 1 87 cdot 10 3 text AU 0 0046491 text AU R bigodot amp approx 34 cdot R bigodot end aligned nbsp a b c Cousins A W J et al 1966 Photoelectric magnitudes and colours of southern stars II Royal Observatory Bulletins 121 1 Bibcode 1966RGOB 121 1C Taylor B J February 1999 Catalogs of temperatures and Fe H averages for evolved G and K stars Astronomy and Astrophysics Supplement 134 3 523 524 Bibcode 1999A amp AS 134 523T doi 10 1051 aas 1999153 De Medeiros J R et al November 2000 Rotation and lithium in single giant stars Astronomy and Astrophysics 363 239 243 arXiv astro ph 0010273 Bibcode 2000A amp A 363 239D phi01 Cnc SIMBAD Centre de donnees astronomiques de Strasbourg Retrieved 2017 06 09 Richichi A et al February 2005 CHARM2 An updated Catalog of High Angular Resolution Measurements Astronomy and Astrophysics 431 2 773 777 Bibcode 2005A amp A 431 773R doi 10 1051 0004 6361 20042039 Retrieved from https en wikipedia org w index php title Phi1 Cancri amp oldid 1215913360, wikipedia, wiki, book, books, library,

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