HD 24141

Last updated
HD 24141
Camelopardalis constellation map.svg
Red circle.svg
Location of HD 24141 on the map (circled)
Observation data
Epoch J2000.0        Equinox J2000.0 (ICRS)
Constellation Camelopardalis
Right ascension 03h 53m 43.28625s [1]
Declination +57° 58′ 30.5263″ [1]
Apparent magnitude  (V)5.79±0.01 [2]
Characteristics
Spectral type kA3hF0mF0 [3] or A7 V [4]
U−B color index +0.11 [5]
B−V color index +0.18 [5]
Astrometry
Radial velocity (Rv)−0.2±0.6 [6]  km/s
Proper motion (μ)RA: +86.826  mas/yr [1]
Dec.: −91.295  mas/yr [1]
Parallax (π)18.5633 ± 0.0352  mas [1]
Distance 175.7 ± 0.3  ly
(53.9 ± 0.1  pc)
Absolute magnitude  (MV)+2.28 [7]
Position (relative to HD 24141A)
ComponentHD 24141B
Epoch of observation J2000.0
Angular distance1.02″ [8]
Position angle 69° [9]
Observed separation
(projected)		52.3 AU [8]
Details
A
Mass 1.92 [10]   M☉
Radius 1.72±0.09 [11]   R☉
Luminosity 10.66±0.04 [1]   L☉
Surface gravity (log g)4.28+0.08
−0.07 [12]   cgs
Temperature 8,518±290 [10]   K
Metallicity [Fe/H]−0.02 [13]   dex
Rotational velocity (v sin i)53±10 [14]  km/s
Age 15 [10]   Myr
B
Mass 0.77 [8]   M☉
Other designations
AG+57°437, BD+57°752, FK5  1105, GC  4668, HD  24141, HIP  18217, HR  1192, SAO  24276, WDS J03537+5759AB [15]
Database references
SIMBAD data

HD 24141, also known as HR 1192, is a star located in the northern constellation Camelopardalis, the giraffe. It is faintly visible to the naked eye as a white-hued point of light with an apparent magnitude of 5.79. [2] The object is located relatively close at a distance of 176 light-years based on Gaia DR3 parallax measurements [1] and it is slowly drifting closer with a heliocentric radial velocity of −0.2  km/s . [6] At its current distance, HD 24141's brightness is diminished by 0.17 magnitudes due to interstellar extinction [16] and it has an absolute magnitude of +2.28. [7]

It is not entirely certain whether HD 24141 is an Am star or not. [17] One stellar classification is kA3hF0mF0, [3] which indicates that it is an Am star with the calcium K-lines of an A3 star and the hydrogen and metallic lines of a F0 star. However, Abt & Levy (1985) gave a class of A7 V, [4] indicating that it is instead an ordinary A-type main-sequence star. HD 24141 has 1.92 times the mass of the Sun and it is estimated to be only 15 million years old. [10] It radiates 10.66 times the luminosity of the Sun [1] from its photosphere at an effective temperature of 8,518  K . [10] These parameters correspond to a radius that is 72% larger than the Sun's. [11] HD 24141 has a near-solar metallicity at [Fe/H] = −0.02 [13] and it spins modestly with a projected rotational velocity of 53  km/s . [14]

Most sources generally agree that HD 24141 is a solitary star. [18] [4] [19] A 2014 multiplicity survey found a 7th magnitude companion with a mass of 0.77  M☉ [8] located 1.02" away from the star [8] along a position angle of 69°. Another 15th magnitude companion designated as C is located 1216″ away along a position angle of 187°. [20] The object appears to share the same proper motion as HD 24141, [9] but the Gaia DR3 parallax is different and it is considered very unlikely that the two are physically associated. [21]

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<span class="mw-page-title-main">HD 26764</span> Star in the constellation Camelopardalis

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<span class="mw-page-title-main">PW Telescopii</span> Α2 CVn variable; Telescopium

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<span class="mw-page-title-main">HD 201772</span> Star in the constellation Microscopium

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<span class="mw-page-title-main">HD 198716</span> Star in the constellation of Microscopium

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<span class="mw-page-title-main">HD 26755</span> Binary star system in Camelopardalis

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<span class="mw-page-title-main">HD 117566</span> High proper motion star; Camelopardalis

HD 117566, also known as HR 5091, is a solitary yellow-hued star located in the northern circumpolar constellation Camelopardalis. It has an apparent magnitude of 5.74, making it faintly visible to the naked eye. This object is relatively close at a distance of 291 light years based on Gaia DR3 parallax measurements but is receding with a heliocentric radial velocity of 14 km/s. At its current distance, HD 117566's brightness is diminished by 0.12 magnitudes due to interstellar dust.

<span class="mw-page-title-main">HD 31134</span> Star in the constellation of Camelopardalis

HD 31134, also designated as HR 1561, is a solitary star located in the northern circumpolar constellation Camelopardalis, the giraffe. It is faintly visible to the naked eye as a white-hued star with an apparent magnitude of 5.74. Gaia DR3 parallax measurements place it 473 light years away. It appears to be approaching the Solar System with a heliocentric radial velocity of −15.1 km/s. At its current distance, HD 31134's brightness is diminished by 0.35 magnitudes due to interstellar dust. It has an absolute magnitude of +0.19.

<span class="mw-page-title-main">HD 193002</span> Suspected variable; Telescopium

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<span class="mw-page-title-main">HD 177406</span> Star in the constellation of Telescopium

HD 177406, also known as HR 7223 or rarely 47 G. Telescopii, is a solitary star located in the southern constellation Telescopium. It is faintly visible to the naked eye as a white-hued point of light with an apparent magnitude of 5.95. Gaia DR3 parallax measurements imply a distance of 369 light years and it is currently approaching the Solar System with a heliocentric radial velocity of −6.2 km/s. At its current distance, HD 177406's brightness is diminished by 0.23 magnitudes due to interstellar dust and it has an absolute magnitude of +0.60.

<span class="mw-page-title-main">HD 169853</span> Am star; Corona Australis

HD 169853, also known as HR 6910 or rarely 9 G. Coronae Australis, is a solitary star located in the southern constellation Corona Australis. It is faintly visible to the naked eye as a white-hued point of light with an apparent magnitude of 5.62. Gaia DR3 parallax measurements imply a distance of 391 light years, and it is currently approaching the Solar System with a heliocentric radial velocity of −21.3 km/s. At its current distance, HD 169853's brightness is diminished by 0.36 magnitudes due to extinction from interstellar dust and it has an absolute magnitude of +0.13.

References

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  12. ↑ Stassun, Keivan G.; et al. (9 September 2019). "The Revised TESS Input Catalog and Candidate Target List". The Astronomical Journal. 158 (4): 138. arXiv: 1905.10694 . Bibcode:2019AJ....158..138S. doi: 10.3847/1538-3881/ab3467 . eISSN   1538-3881. hdl: 1721.1/124721 . S2CID   166227927.
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  15. ↑ "HD 24141". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved June 8, 2023.
  16. ↑ Gontcharov, George A.; Mosenkov, Aleksandr V. (28 September 2017). "Verifying reddening and extinction for Gaia DR1 TGAS main sequence stars". Monthly Notices of the Royal Astronomical Society. 472 (4): 3805–3820. arXiv: 1709.01160 . Bibcode:2017MNRAS.472.3805G. doi: 10.1093/mnras/stx2219 . eISSN   1365-2966. ISSN   0035-8711. S2CID   118879856.
  17. ↑ Renson, P.; Manfroid, J. (19 March 2009). "Catalogue of Ap, HgMn and Am stars". Astronomy & Astrophysics. 498 (3): 961–966. Bibcode:2009A&A...498..961R. doi: 10.1051/0004-6361/200810788 . eISSN   1432-0746. ISSN   0004-6361. S2CID   55849045.
  18. ↑ Abt, Helmut A. (1961). "The Frequency of Binaries among Metalmc-Line Stars". The Astrophysical Journal Supplement Series. American Astronomical Society. 6: 37. Bibcode:1961ApJS....6...37A. doi: 10.1086/190060 . ISSN   0067-0049. S2CID   121399948.
  19. ↑ Eggleton, P. P.; Tokovinin, A. A. (11 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 . eISSN   1365-2966. ISSN   0035-8711. S2CID   14878976.
  20. ↑ Tokovinin, Andrei; Lépine, Sébastien (2012). "Wide Companions to Hipparcos Stars within 67 pc of the Sun". The Astronomical Journal. 144 (4): 102. arXiv: 1208.0626 . Bibcode:2012AJ....144..102T. doi:10.1088/0004-6256/144/4/102. S2CID   8741733.
  21. ↑ Vallenari, A.; et al. (Gaia Collaboration) (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics . arXiv: 2208.00211 . doi: 10.1051/0004-6361/202243940 . Gaia DR3 record for this source at VizieR.
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