Delta Tri
HIP 10644; Delta Tri; 8 Tri
DoubleStar
Tri
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.87
Spectral Type
G0.5V
Star Color
Yellow
(B-V 0.61)
Distance
35.1 ly
Position & Identifiers
RA
02h 17m 03.2s
Dec
+34° 13' 27.0"
Constellation
Tri
HR
660
HIP
10644
Bayer
Delta
Flamsteed
8 Tri
Double Cat
1739
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Visibility
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Multiple Star System
Separation
166.8″
Companion Mag
13.6
Position Angle
301°
Star Colors
A: Yellow
B: Orange
Discoverer
DOR 66
Eyepiece View
32x
Dawes: 1.9″
TFOV: 1.6°
Realistic = true angular size
Sep: 166.8″ · PA: 301° · 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
Probably optical.
ADS 1739A, 10.0201d, K 9.4k/s, V0 -5.9k/s, asini 1.295.
Zeta Her group.
Survey Image
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