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Lambda Ceti information


Lambda Ceti
Location of Lambda Ceti (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Cetus
Right ascension 02h 59m 42.89987s[1]
Declination 08° 54′ 26.4899″[1]
Apparent magnitude (V) 4.71[2]
Characteristics
Spectral type B6III[3]
U−B color index −0.471[2]
B−V color index −0.109±0.006[2]
Astrometry
Radial velocity (Rv)10.2±2.8[4] km/s
Proper motion (μ) RA: 6.01±0.26[1] mas/yr
Dec.: −17.70±0.29[1] mas/yr
Parallax (π)5.66 ± 0.24 mas[1]
Distance580 ± 20 ly
(177 ± 7 pc)
Absolute magnitude (MV)−1.52[2]
Details
Mass5.01±0.05[5] M
Radius5.4[6] R
Luminosity652[2] L
Temperature13,940±710[7] K
Rotational velocity (v sin i)131[8] km/s
Age100-125[6] Myr
Other designations
Menkar, λ Cet, 91 Cet, BD+08° 455, FK5 1083, HD 18604, HIP 13954, HR 896, SAO 110889[9]
Database references
SIMBADdata

Lambda Ceti, Latinized from λ Ceti, is a B-type star of fifth-magnitude located in the constellation Cetus. Historically, the star bore the traditional name Menkar, although today that name is more commonly associated with α Ceti.

This star, along with α Cet (Menkar), γ Cet (Kaffaljidhma), δ Cet, μ Cet, ξ1 Cet and ξ2 Cet were Al Kaff al Jidhmah, "the Part of a Hand".[10]

In Chinese, 天囷 (Tiān Qūn), meaning Circular Celestial Granary, refers to an asterism consisting of λ Ceti, α Ceti, κ1 Ceti, μ Ceti, ξ1 Ceti, ξ2 Ceti, ν Ceti, γ Ceti, δ Ceti, 75 Ceti, 70 Ceti, 63 Ceti and 66 Ceti. Consequently, the Chinese name for λ Ceti itself is 天囷三 (Tiān Qūn sān, English: the Third Star of Circular Celestial Granary.)[11]

  1. ^ a b c d e Cite error: The named reference van Leeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c d e Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Lesh1968 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Gontcharov2006 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Hohle_et_al_2010 was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference KALER was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Zorec2009 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Simón-Díaz2017 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  10. ^ Star Name - R.H. Allen p.160
  11. ^ (in Chinese) AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 11 日

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Lambda Ceti

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asterism consisting of λ Ceti, α Ceti, κ1 Ceti, μ Ceti, ξ1 Ceti, ξ2 Ceti, ν Ceti, γ Ceti, δ Ceti, 75 Ceti, 70 Ceti, 63 Ceti and 66 Ceti. Consequently, the Chinese...

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Gamma Ceti

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of Gamma Ceti, Alpha Ceti, Kappa1 Ceti, Lambda Ceti, Mu Ceti, Xi1 Ceti, Xi2 Ceti, Nu Ceti, Delta Ceti, 75 Ceti, 70 Ceti, 63 Ceti and 66 Ceti. Consequently...

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Cetus

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hurricanes and other violent storms. Lambda, Mu, Xi, Nu, Gamma, and Alpha Ceti represented its head; Omicron, Zeta, and Chi Ceti represented its body; Eta Eri...

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Persei) Yellow hypergiant Eruptive binary Double periodic FS Canis Majoris RS Canum Venaticorum Other Flare Gamma Cassiopeiae Lambda Eridani Wolf–Rayet...

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 planets: b? Lalande 21185 (8.3044±0.0007 ly) 2 (3?) planets: b, d?, c Gliese 65 A (BL Ceti) (8.724±0.012 ly) red dwarf B (UV Ceti) Ross 154 (9.7063±0.0009 ly)...

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Solar System

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 planets: b? Lalande 21185 (8.3044±0.0007 ly) 2 (3?) planets: b, d?, c Gliese 65 A (BL Ceti) (8.724±0.012 ly) red dwarf B (UV Ceti) Ross 154 (9.7063±0.0009 ly)...

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Omicron

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both magnitude and position. Such stars include Omicron Andromedae, Omicron Ceti, and Omicron Persei. In Claudius Ptolemy's (c. 100–170) Almagest, tables...

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List of proper names of stars

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and Inglis. p. 52 – via Internet Archive. Kaler, James B. "Menkar (Alpha Ceti)". Stars. University of Illinois. Archived from the original on 2012-05-31...

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Solar System belts

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 planets: b? Lalande 21185 (8.3044±0.0007 ly) 2 (3?) planets: b, d?, c Gliese 65 A (BL Ceti) (8.724±0.012 ly) red dwarf B (UV Ceti) Ross 154 (9.7063±0.0009 ly)...

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الكف الجذماء Gamma Ceti Kaus Australis, Kaus Media, Kaus Borealis al-Qaws the Bow القوس Epsilon Sagittarii Delta Sagittarii Lambda Sagittarii Keid al-Qaiḍ...

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Exocomet

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V645 Cen in the General Catalogue of Variable Stars, version 4.2, this UV Ceti star or "flare star" can unexpectedly brighten rapidly by as much as 0.6...

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List of nearest stars

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Asteroseismology

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also known as PG 1159 stars), V777 Herculis stars (DB variables) and ZZ Ceti stars (DA variables). All pulsate in low-degree, high-order g-modes. The...

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Wood, P. R. (July 2004). "Interferometric observations of the Mira star o Ceti with the VLTI/VINCI instrument in the near-infrared". Astronomy & Astrophysics...

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been detected around nearby solar analogs including Epsilon Eridani and Tau Ceti. Based on observations of numerous similar disks, they are assumed to be...

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Protoplanetary disk

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million years (e.g. Beta Pictoris, 51 Ophiuchi) to billions of years (e.g. Tau Ceti). These systems are usually referred to as "debris disks". Given the older...

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Star

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decreases towards the edge of the stellar disk. Red dwarf flare stars such as UV Ceti may possess prominent starspot features. The apparent brightness of a star...

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pulsations.: §7  Known types of pulsating white dwarf include the DAV, or ZZ Ceti, stars, including HL Tau 76, with hydrogen-dominated atmospheres and the...

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has three separate regions and types of variable: DOV, DBV, and DAV (= ZZ Ceti variables) white dwarfs. Each of these types of pulsating variable has an...

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star was identified in 1638 when Johannes Holwarda noticed that Omicron Ceti (later named Mira) pulsated in a cycle taking 11 months; the star had previously...

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