Star Alpha Trianguli

Binary star Alpha Trianguli is located 63 light years away from the Sun. It consists of a yellow giant and a red dwarf. For now, there are no known exoplanets in this star system.

Alpha Trianguli A

Yellow giant, Spectroscopic binary

Spectral class: F5III

Location

Right ascension: 1h 53m 4.908s

Declination: 29° 34' 43.78'' (northern hemisphere)

Parallax: 51.5

Sun distance: 63.331 ly | 19.4 pc

Basic characteristic

Mass: 170 % M Sun

Size: 322 % R Sun

Temperature: 6288 K | 1.09 T Sun

Age: 1.6 billions years | 0.35 Sun

Photometry

Apparent magnitude (V): 3.4

Absolute magnitude (V): 2

K
2.1

H
1.6

J
1.2

Grp
0.8

I
0.8

G
0.6

V
0.5

Gbp
0.5

B
0.4

U
0.3

Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

Alpha Trianguli B

Red dwarf, , Spectroscopic binary

Basic characteristic

Mass: 11 % M Sun

Alpha Trianguli system structure


	Alpha Trianguli A
	Alpha Trianguli B

More about Alpha Trianguli

       Alpha Trianguli can be found in northern celestial hemisphere, and it is possible to see it with naked eye. The star is easily observable from Northern America, Europe and Asia.

Other designations of this star
Mothallah, Ras al Muthallah, Caput Trianguli, α Trianguli,[11] 2 Trianguli, HR 544, HD 11443, BD+28°312, FK5 64, HIP 8796, SAO 74996

Closest stars

2MASS J01530103+2937044	-	1.4 ly
LSPM J0140+2701	-	4.4 ly
2MASS J02062493+2640237	-	4.6 ly
LP 297-12	-	6.8 ly
Alpha Arietis	1.5 M☉	8.1 ly

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