Metallah
Alpha Tri
HIP 8796; Alpha Tri; 2 Tri
DoubleStar
Tri
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.41
Spectral Type
F5III
Star Color
Yellow
(B-V 0.49)
Distance
63.3 ly
Position & Identifiers
RA
01h 53m 04.9s
Dec
+29° 34' 44.0"
Constellation
Tri
HR
544
HIP
8796
Bayer
Alpha
Flamsteed
2 Tri
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Visibility
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Multiple Star System
Components
3
Component IDs
AC
Separation
100.2″
Companion Mag
13.3
Position Angle
319°
Star Colors
A: Yellow
Discoverer
BUP 27
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 100.2″ · PA: 319° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
Visual companions probably optical.
1.7365d, K 12.4k/s, V0 -20.0k/s, asini 0.296.
Metallah; Mothallah; Atria; Caput Trianguli; Ras al Muthallah; Elmuthalleth.
Survey Image
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