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Rho Coronae Borealis information


ρ Coronae Borealis
Location of ρ Coronae Borealis (circled)
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Corona Borealis
Right ascension 16h 01m 02.66049s[1]
Declination +33° 18′ 12.6395″[1]
Apparent magnitude (V) 5.39[2]
Characteristics
Spectral type G0V[3]
B−V color index 0.61[2]
Astrometry
Radial velocity (Rv)17.88±0.12[1] km/s
Proper motion (μ) RA: −198.278(43) mas/yr[1]
Dec.: −772.245(53) mas/yr[1]
Parallax (π)57.1076 ± 0.0508 mas[1]
Distance57.11 ± 0.05 ly
(17.51 ± 0.02 pc)
Absolute magnitude (MV)+4.21[4]
Details
Mass0.95±0.01[2] M
Radius1.304±0.012[5] R
Luminosity1.749±0.040[5] L
Surface gravity (log g)4.25±0.05[2] cgs
Temperature5817±24[2] K
Metallicity [Fe/H]−0.24±0.08[4] dex
Rotation20.3±1.8 d[5]
Rotational velocity (v sin i)0.8±0.3[2] km/s
Age10.2±0.5[2] Gyr
Other designations
15 CrB, 2MASS J16010264+3318124, BD+33°2663, GC 21527, GJ 9537, HD 143761, HIP 78459, HR 5968, LTT 14764, ρ CrB, SAO 65024, CCDM J16011+3318A, WDS J16010+3318A
Database references
SIMBADdata

Rho Coronae Borealis (ρ CrB, ρ Coronae Borealis) is a yellow dwarf star 57.1 light-years (17.5 parsecs) away in the constellation of Corona Borealis. The star is thought to be similar to the Sun with nearly the same mass, radius, and luminosity. It is orbited by four known exoplanets.

  1. ^ a b c d e Cite error: The named reference dr3 was invoked but never defined (see the help page).
  2. ^ a b c d e f g Cite error: The named reference Brewer2023 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference von Braun2014 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference fuhrmann was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference Metcalfe was invoked but never defined (see the help page).

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Rho Coronae Borealis

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Rho Coronae Borealis (ρ CrB, ρ Coronae Borealis) is a yellow dwarf star 57.1 light-years (17.5 parsecs) away in the constellation of Corona Borealis. The...

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Corona Borealis

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magnitude 2.2 Alpha Coronae Borealis. The yellow supergiant R Coronae Borealis is the prototype of a rare class of giant stars—the R Coronae Borealis variables—that...

Word Count : 6365

Alpha Coronae Borealis

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Alpha Coronae BorealisCoronae Borealis, abbreviated Alpha CrB, α CrB), officially named Alphecca /ælˈfɛkə/, is an eclipsing binary star in the constellation...

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Beta Coronae Borealis

Last Update:

Beta Coronae Borealis (β Coronae Borealis, abbreviated Beta CrB, β CrB) is a binary star in the constellation of Corona Borealis. It appears to the naked...

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Kappa Coronae Borealis b

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days, or 3.307 years, to orbit around Kappa Coronae Borealis. HD 16175 b HD 167042 b Rho Coronae Borealis b Johnson, John Asher; et al. (2008). "Retired...

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Kappa Coronae Borealis

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Kappa Coronae Borealis, Latinized from κ Coronae Borealis, is a star approximately 98 light years away in the constellation of Corona Borealis. The apparent...

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List of exoplanets discovered before 2000

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Proper name Phobetor PSR B1620-26 b 2.5 23.0 timing 1993 12400 1.35 Rho Coronae Borealis b 1.045 39.8458 0.2196 614 radial vel. 1997 57.0 0.889 5627 Tau Boötis...

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Discoveries of exoplanets

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the eccentricity of 0.220 ± 0.028 and a period of 2190 ± 460 days. Rho Coronae Borealis b: In 1997 an exoplanet was discovered in a 39.8 day orbit with a...

Word Count : 8219

Upsilon Andromedae

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with planetary companions: upsilon Andromedae, rho (1) Cancri, tau Bootis, 16 Cygni and rho Coronae Borealis", Astronomy and Astrophysics, 336: 942–952,...

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List of exoplanets discovered in 2023

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Chris (1 August 2023). "EXPRES. IV. Two Additional Planets Orbiting ρ Coronae Borealis Reveal Uncommon System Architecture". The Astronomical Journal. 166...

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GJ 3929

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star located 51.6 light-years from Earth, in the constellation Corona Borealis. With an apparent magnitude of 12, it is not visible to the naked eye....

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George David Gatewood

Last Update:

Combined Hipparcos and MAP Study of the Proposed Planetary System of Rho Coronae Borealis”, Ap J 548, L61. Gatewood, G., Han, I. & Black, D.C. 2001 “Hipparcos...

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List of exoplanets discovered in 2016

Last Update:

5215 Qatar-5b 4.32 1.107 2.8792319 0.04127 1415 transit 1.13 5747 Rho Coronae Borealis c 0.07866 102.54 0.4123 448 radial vel. 56.2 0.89 5627 TRAPPIST-1b...

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Variable star

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post-AGB stars, but there are both red and blue giant R CrB stars. R Coronae Borealis (R CrB) is the prototype star. DY Persei variables are a subclass of...

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Supergiant

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extremely rare and short-lived class of luminous supergiant. Many R Coronae Borealis variables, although not all, are yellow supergiants, but this variability...

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List of supernova candidates

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+45° 16′ 49″ Cygnus 2615 ± 215 A2la Ib/Ic T Coronae Borealis 15h 59m 30.2s +25° 55′ 13″ Corona Borealis 2690+110 −100 M3III/D Ia KPD 1930+2752 19h 32m...

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List of brightest natural objects in the sky

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23 Alpha Cassiopeiae Star 2.230 Gamma Draconis Star 2.24 2.21 Alpha Coronae Borealis Binary star system 2.25 2.24 Zeta Puppis Star 2.26 2.23 Iota Carinae...

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List of Arabic star names

Last Update:

(the Bright one of) the Broken (Ring) نير الفكة نَيِّر الفَکَّة Alpha Coronae Borealis Alpheratz (Surrat) al-Faras (Navel of) the Mare سرة الفرس سُرَّة الفَرَس...

Word Count : 565

List of exoplanets detected by radial velocity

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176 0.6722 2002 HD 126614 Ab 0.422 1187.202 2.302 0.5869 2009 Kappa Coronae Borealis b 1.790 1191.111 2.701 0.1924 2007 HD 23127 b 1.370 1214.151 2.320...

Word Count : 286

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