HD 93607

Last updated
HD 93607
Carina constellation map.svg
Red circle.svg
Location of HD 93607 in IC 2602 (circled)
Observation data
Epoch J2000.0        Equinox J2000.0
Constellation Carina
Right ascension 10h 46m 51.21898s [1]
Declination −64° 23′ 00.5045″ [1]
Apparent magnitude  (V)4.87 [2]
Characteristics
Spectral type B4V [3]
U−B color index −0.655 [2]
B−V color index −0.15 [2]
Astrometry
Proper motion (μ)RA: −18.590 [1]   mas/yr
Dec.: +9.832 [1]   mas/yr
Parallax (π)6.6468 ± 0.0739  mas [1]
Distance 491 ± 5  ly
(150 ± 2  pc)
Absolute magnitude  (MV)−1.116 [4]
Details
Mass 5.9 [5]   M☉
Radius 3.9 [1]   R☉
Luminosity 893 [4]   L☉
Surface gravity (log g)4.098 [6]   cgs
Temperature 16,882 [4]   K
Metallicity [Fe/H]+0.34 [1]   dex
Rotational velocity (v sin i)160 [6]  km/s
Age 17.5 [5]   Myr
Other designations
CPD−63 1655, HD  93607, HIP  52736, HR  4222, SAO  251120
Database references
SIMBAD data

HD 93607 (HR 4222) is a star in the constellation Carina. Its apparent magnitude is 4.87. Its parent cluster is IC 2602.

HD 93607 is a B4 main sequence star, although older spectral studies classified it as a subgiant. [7] It is included on a list of the least variable stars amongst those observed by the Hipparcos satellite, with a possible variation less than 0.01 magnitudes. [8]

HD 93607 lies in the core region of the bright open cluster IC 3602. Its age is uncertain but around 17 million years. [5]

Related Research Articles

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Chi Serpentis Solitary star in the constellation Serpens

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Chi Tauri Star in the constellation Taurus

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V518 Carinae Star in the constellation Carina

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HD 93194 Star in the constellation Carina

HD 93194 is a star in the constellation Carina. Its apparent magnitude is 4.79. Its parent cluster is IC 2602.

20 Ceti is a single star located around 590 light years away in the equatorial constellation of Cetus. It is faintly visible to the naked eye with apparent magnitude is 4.76. The Bright Star Catalogue has this star classified as M0III, matching an aging red giant star that has consumed the hydrogen at its core and expanded. Houk and Swift (1999) listed an earlier class of K5 III. It has around 56 times the Sun's radius and is radiating 1,044 times the Sun's luminosity from its enlarged photosphere at an effective temperature of 3,920 K.

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29 Persei Star in the constellation Perseus

29 Persei is a single star in the northern constellation of Perseus, located approximately 640 light years away from the Sun based on parallax. It is visible to the naked eye as faint, blue-white hued star with an apparent visual magnitude of 5.16. This object is a member of the Alpha Persei Cluster.

HD 46815 is a solitary star in the southern constellation Columba. It is faintly visible to the naked eye with an apparent magnitude of 5.4 and is estimated to be 408 light years away. However, it is receding with a heliocentric radial velocity of 32.2 km/s.

References

  1. 1 2 3 4 5 6 7 Vallenari, A.; et al. (2022). "Gaia DR3: data release content and main properties" . Retrieved 2022-06-13. Gaia EDR3 record for this source at VizieR.
  2. 1 2 3 Mermilliod, J.-C (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV Data. Bibcode:1986EgUBV........0M.
  3. ↑ Houk, N; Cowley, A. P (1975). University of Michigan Catalogue of two-dimensional spectral types for the HD stars. Volume I. Declinations -90° to -53.0°. Bibcode:1975mcts.book.....H.
  4. 1 2 3 Silaj, J; Landstreet, J. D (2014). "Accurate age determinations of several nearby open clusters containing magnetic Ap stars". Astronomy & Astrophysics. 566: A132. arXiv: 1407.4531 . Bibcode:2014A&A...566A.132S. doi:10.1051/0004-6361/201321468. S2CID   53370832.
  5. 1 2 3 Tetzlaff, N; Neuhäuser, R; Hohle, M. M (2011). "A catalogue of young runaway Hipparcos stars within 3 kpc from the Sun". Monthly Notices of the Royal Astronomical Society. 410 (1): 190–200. arXiv: 1007.4883 . Bibcode:2011MNRAS.410..190T. doi:10.1111/j.1365-2966.2010.17434.x. S2CID   118629873.
  6. 1 2 David, Trevor J; Hillenbrand, Lynne A (2015). "The Ages of Early-type Stars: Strömgren Photometric Methods Calibrated, Validated, Tested, and Applied to Hosts and Prospective Hosts of Directly Imaged Exoplanets". The Astrophysical Journal. 804 (2): 146. arXiv: 1501.03154 . Bibcode:2015ApJ...804..146D. doi:10.1088/0004-637X/804/2/146. S2CID   33401607.
  7. ↑ Skiff, B. A (2014). "VizieR Online Data Catalog: Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016)". VizieR On-line Data Catalog: B/Mk. Originally Published in: Lowell Observatory (October 2014). 1. Bibcode:2014yCat....1.2023S.
  8. ↑ Adelman, S. J (2001). "Research Note Hipparcos photometry: The least variable stars". Astronomy and Astrophysics. 367: 297–298. Bibcode:2001A&A...367..297A. doi: 10.1051/0004-6361:20000567 .
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