Delta Fornacis

Delta Fornacis

Observation data Epoch J2000      Equinox J2000
Constellation	Fornax
Right ascension	03^h 42^m 14.90248^s [1]
Declination	−31° 56′ 18.1055″ [1]
Apparent magnitude (V)	4.97 [2]
Characteristics
Spectral type	B5III [3]
U−B color index	-0.59 [4]
B−V color index	-0.14 [2]
Astrometry
Radial velocity (Rv)	+26.00[5] km/s
Proper motion (μ)	RA: +4.80[2] mas/yr Dec.: +13.64[2] mas/yr
Parallax (π)	3.85 ± 0.25[1] mas
Distance	850 ± 60 ly (260 ± 20 pc)
Absolute magnitude (MV)	-2.10 [6]
Other designations
FK5 133, GC 4439, HIP 17304, HR 1134, HD 23227, SAO 194467 [2]
Database references
SIMBAD	data

Delta Fornacis (δ For) is a class B5III^[3] (blue giant) star in the constellation Fornax. Its apparent magnitude is 4.97^[2] and it is approximately 850 light years away based on parallax.^[1]

References

1. van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. Vizier catalog entry
2. "Delta Fornacis". SIMBAD Astronomical Database. Retrieved 2016-04-08.
3. Houk, N. (1982), Michigan catalogue of two-dimensional spectral types for the HD stars, 3, Ann Arbor: Dept. of Astronomy, University of Michigan, Bibcode:1982MSS...C03....0H
4. Reed, B. Cameron (May 2003), "Catalog of galactic OB stars", The Astronomical Journal, 125 (5): 2531–2533, Bibcode:2003AJ....125.2531R, doi:10.1086/374771
5. Kharchenko, N. V.; et al. (2007), "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ˜55000 stars and mean radial velocities of 516 Galactic open clusters and associations", Astronomische Nachrichten, 328 (9): 889, arXiv:0705.0878, Bibcode:2007AN....328..889K, doi:10.1002/asna.200710776
6. Absolute magnitude calculated as $M = m + 5 (1 + \log_{10}{p})\!\,$, where $M$ is the star's absolute magnitude, $m$ is the star's apparent magnitude, and $p$ is the star's measured parallax in arcseconds.