HIP 102040
HIP 102040
DoubleStar
Del
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
6.45
Spectral Type
G5V
Star Color
Yellow
(B-V 0.63)
Distance
65.2 ly
Position & Identifiers
RA
20h 40m 45.2s
Dec
+19° 56' 07.0"
Constellation
Del
HR
7914
HIP
102040
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Visibility
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Multiple Star System
Separation
69.4″
Companion Mag
11.9
Companion Sp
M2.5
Position Angle
25°
Star Colors
A: Yellow
B: Red
Discoverer
BUP 215
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 69.4″ · PA: 25° · 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
Hyades group.
Survey Image
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