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21 Lyncis information


21 Lyncis

21 Lyncis (center) in optical light
Observation data
Epoch J2000      Equinox J2000
Constellation Lynx
Right ascension 07h 26m 42.85187s[1]
Declination +49° 12′ 41.4907″[1]
Apparent magnitude (V) 4.61[2]
Characteristics
Evolutionary stage main sequence
Spectral type A0.5Vs[3]
B−V color index −0.001±0.002[2]
Astrometry
Radial velocity (Rv)+26.8±0.1[2] km/s
Proper motion (μ) RA: −10.22[1] mas/yr
Dec.: −49.29[1] mas/yr
Parallax (π)11.92 ± 0.24 mas[1]
Distance274 ± 6 ly
(84 ± 2 pc)
Absolute magnitude (MV)−0.01[2]
Details
Mass2.22[4] M
Luminosity102.01[2] L
Temperature9,692±330[4] K
Rotational velocity (v sin i)18[4] km/s
Age272[4] Myr
Other designations
21 Lyn, BD+49° 1623, FK5 2572, HD 58142, HIP 36145, HR 2818, SAO 41764[5]
Database references
SIMBADdata

21 Lyncis is a single[6] star in the northern constellation of Lynx. It is visible to the naked eye as a faint, white-hued star with an apparent visual magnitude of 4.61.[2] The star is located at a distance of about 274 light years away from the Sun, based on parallax.[1] It is moving further away from the Earth with a heliocentric radial velocity of around +27 km/s.[2]

This object is an ordinary A-type main-sequence star with a stellar classification of A0.5Vs,[3] where the 's' suffix indicates "sharp" lines in the spectrum, usually due to slow rotation. It is about 272[4] million years old with a projected rotational velocity of 18 km/s.[4] The star has 2.22[4] times the mass of the Sun and is radiating 102[2] times the luminosity of the Sun from its photosphere at an effective temperature of 9,692 K.[4]

  1. ^ a b c d e f Cite error: The named reference vanLeeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c d e f g h Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference abt1995 was invoked but never defined (see the help page).
  4. ^ a b c d e f g h Cite error: The named reference David2015 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).

and 27 Related for: 21 Lyncis information

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21 Lyncis

Last Update:

21 Lyncis is a single star in the northern constellation of Lynx. It is visible to the naked eye as a faint, white-hued star with an apparent visual magnitude...

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List of stars in Lynx

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HD 77912 77912 44700 09h 06m 31.79s +38° 27′ 08.1″ 4.56 −2.03 678 G8Ib-II 21 Lyn 21 58142 36145 07h 26m 42.86s +49° 12′ 41.9″ 4.61 0.20 249 A1V suspected...

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41 Lyncis

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more distant than 41 Lyncis itself, but the two share a common proper motion and are at the same distance as each other. 41 Lyncis is the Flamsteed designation...

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Alpha Lyncis

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Alpha Lyncis (α Lyn, α Lyncis) is the brightest star in the northern constellation of Lynx with an apparent magnitude of +3.13. Unusually, it is the only...

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DU Lyncis

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DU Lyncis is a single variable star in the constellation Lynx. It is a faint star but visible to the naked eye with an apparent visual magnitude of 5.15...

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SZ Lyncis

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SZ Lyncis is a binary star system in the northern constellation of Lynx, abbreviated SZ Lyn. It is a variable star with an apparent visual magnitude that...

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31 Lyncis

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with a brightness that ranges from 4.21 to as low as 4.27, and has the variable star designation BN Lyncis. 31 Lyncis is 1.3 billion years old with almost...

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16 Lyncis

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temperature of 10,395 K. 16 Lyncis is suspected of being slightly variable, but this has not been confirmed. It was noted when 16 Lyncis was used as a comparison...

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RR Lyncis

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RR Lyncis is a star system in the northern constellation of Lynx, abbreviated RR Lyn. It is an eclipsing binary of the Algol type; one of the closest in...

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15 Lyncis

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15 Lyncis is a binary star system in the northern constellation of Lynx. It is visible to the naked eye as a faint point of light with a combined apparent...

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36 Lyncis

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constellation of Lynx. It has the variable star designation of EI Lyncis, while 36 Lyncis is the Flamsteed designation. This object is visible to the naked...

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List of stars in Ursa Major

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class Notes Alioth ε 77 112185 62956 12h 54m 01.63s +55° 57′ 35.4″ 1.77 −0.21 81 A0p Alioth; brown dwarf companion?; α² CVn variable Dubhe α 50 95689 54061...

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UX

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a post-AGB star in Corona Borealis UX Arietis, a triple star system UX Lyncis, a dim, red-hued star in Lynx UX Tauri, a binary star system LG UX Unix...

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List of proper names of stars

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campaign and recognized by the WGSN. Further batches of names were approved on 21 August, 12 September, 5 October, and 6 November 2016. These were listed in...

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Onza

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legendary cat species. The Spanish name onza derives from the Latin lynx, lyncis, and is equivalent to the English word "ounce", originally applied to the...

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List of proper names of exoplanets

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4979 2015 NameExoWorlds Arkas Son of Zeus and Callisto in Greek myth 41 Lyncis (Intercrus) 2.7 184.02 0.81 radial vel. 2007 287.9 2.1 4753 2015 NameExoWorlds...

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List of brightest natural objects in the sky

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nasa.gov. Retrieved 2024-02-01. Mallama, Anthony; Hilton, James L. (2018-06-21). "Computing apparent planetary magnitudes for The Astronomical Almanac"....

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List of ancient Greek alliances

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III, none, Bottia, Pella; IV, tetartis, Upper (ano) Makedonia, Heraclea Lynci According to its coinage, the League was created by Philip V of Macedon...

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Subdwarf B star

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are 'hybrids', with a standard nomenclature of sdBVrs. An example is DW Lyncis, also identified as HS 0702+6043. *eclipsing binary star There are at least...

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10 Ursae Majoris

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...89..839E. doi:10.1086/113579. Kaler, James B. "10 UMA (10 Ursae Majoris) = HR 3579 Lyncis". Stars. University of Illinois. Retrieved 9 March 2016....

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R Muscae

Last Update:

Bibcode:2016A&A...591A.118S. doi:10.1051/0004-6361/201628497. S2CID 119258214. "DU Lyncis". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 3 September...

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List of exoplanets detected by radial velocity

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inclination of the orbit. There are 160 members of the multi-planet systems –– 21 confirmed and 139 candidates. The most massive confirmed exoplanet is Iota...

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Rho Ursae Majoris

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47 Ursae Majoris b (Taphao Thong) c (Taphao Kaew) d ο Ursae Majoris b 41 Lyncis b (Arkas) Gliese 414 Ab c HAT-P-3b (Teberda) HD 80606 b HD 89744 b KELT-24b...

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Omega Ursae Majoris

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with DAO spectrograms - XVII. The superficially normal early A stars 2 Lyncis, omicron Ursa Majoris and phiAquilae", Monthly Notices of the Royal Astronomical...

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Chi Ursae Majoris

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47 Ursae Majoris b (Taphao Thong) c (Taphao Kaew) d ο Ursae Majoris b 41 Lyncis b (Arkas) Gliese 414 Ab c HAT-P-3b (Teberda) HD 80606 b HD 89744 b KELT-24b...

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C Ursae Majoris

Last Update:

47 Ursae Majoris b (Taphao Thong) c (Taphao Kaew) d ο Ursae Majoris b 41 Lyncis b (Arkas) Gliese 414 Ab c HAT-P-3b (Teberda) HD 80606 b HD 89744 b KELT-24b...

Word Count : 723

Tau Ursae Majoris

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47 Ursae Majoris b (Taphao Thong) c (Taphao Kaew) d ο Ursae Majoris b 41 Lyncis b (Arkas) Gliese 414 Ab c HAT-P-3b (Teberda) HD 80606 b HD 89744 b KELT-24b...

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