58 Eridana

58 Eridana
58 Eridana
	Star
Observational data; ( Age J2000.0)
Right ascension
Declination
Distance	43.4 ± 0.5 St. years old
Visible magnitude ( V )	5.50
Constellation	Eridan
Astrometry
Radial velocity ( R v )	16.8 km / s
Own movement (μ)	RA: 130.41 mas per year; Dec: 169.20 mas per year
Parallax (π)	75.10 mas
Absolute magnitude (V)	5.01
Specifications
Spectral class	G1,5VH-05
Color Index ( B - V )	0.63
Color Index ( U - B )	0.14
Variability
physical characteristics
Weight	0.96 M ☉
Radius	0.96 R ☉
Age	~ 8⋅10 8 years
Temperature	5830 K
Luminosity	0.96 L ☉
Metallicity	97%
Rotation	4 km / s (~ 12 days )
Other designations
	58 Eridani, 58 Eri, Gliese 177, Gl 177, HR 1532, BD -17 ° 954, HD 30495, LTT 2088, GCTP 1070.00, SAO 149888, HIP 22263
Database Information
SIMBAD

58 Eridani ( lat. 58 Eridani ) - a star that is located in the constellation Eridanus at a distance of about 44 light years from us. Around the star a dust disk has been discovered.

Content

Features

The star is a yellow-orange dwarf of the main sequence . In its properties, it is very similar to the Sun ^[1] . Its mass and radius are 96%, respectively ^[2] . The age of the star is estimated at approximately 800 million years ^[3] . Recent studies have shown that there is a dust disk around it ^[4] .

Nearest star environment

The following star systems are within 20 light-years of Eridanus 58 :

Star	Spectral class	Distance, st. years old
L 736-30	M3 v	3.3
BD-21 1074	M2 V /?	5,6
BD-11 916	M1 V	8.5
LP 833-42	M3.5 V	9.2
η Hare	F0-1 V-III	15
γ hare	F6-7 V / K2 V	17
BD + 04 701	F8 v	17
BD-04 1244	G2-4 V	18
Wound	K0 IVe	18
10 Taurus	F8-9 V-IV	nineteen
α Furnaces	F8 V-IV / G7 V	20

Notes

↑ Cayrel de Strobel, G. Stars resembling the Sun. (eng.) . The Astronomy and Astrophysics Review, Volume 7, Issue 3, pp. 243-288 (1996). (1996). Date of treatment March 12, 2009. Archived March 27, 2012.
↑ Perrin, M.-N. & Karoji, H. Stellar radius determination from IRAS 12-micron fluxes. (eng.) . Astronomy and Astrophysics (ISSN 0004-6361), vol. 172, no. 1-2, Jan. 1987, p. 235-240. (Jan. 1987). Date of treatment March 12, 2009. Archived March 25, 2012.
↑ EJ Gaidos, G. Gonzalez. Stellar Atmospheres of Nearby Young Solar Analogs. (English) (PDF). arxiv.org (29 Mar 2002). Date of treatment March 12, 2009.
↑ Eric Gaidos, Christopher Koresko. A Survey of 10-Micron Silicate Emission from Dust around Young Sun-Like Stars. (English) (PDF). arxiv.org (22 Jul 2003). Date of treatment March 12, 2009.

Links

[1] Cayrel de Strobel, G. Stars resembling the Sun. (eng.) . The Astronomy and Astrophysics Review, Volume 7, Issue 3, pp. 243-288 (1996). (1996). Date of treatment March 12, 2009. Archived March 27, 2012.

[2] Perrin, M.-N. & Karoji, H. Stellar radius determination from IRAS 12-micron fluxes. (eng.) . Astronomy and Astrophysics (ISSN 0004-6361), vol. 172, no. 1-2, Jan. 1987, p. 235-240. (Jan. 1987). Date of treatment March 12, 2009. Archived March 25, 2012.

[3] EJ Gaidos, G. Gonzalez. Stellar Atmospheres of Nearby Young Solar Analogs. (English) (PDF). arxiv.org (29 Mar 2002). Date of treatment March 12, 2009.

[4] Eric Gaidos, Christopher Koresko. A Survey of 10-Micron Silicate Emission from Dust around Young Sun-Like Stars. (English) (PDF). arxiv.org (22 Jul 2003). Date of treatment March 12, 2009.