HIP 21247
HIP 21247
DoubleStar
Cam
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.94
Spectral Type
A8m
Star Color
Yellow-white
(B-V 0.30)
Position & Identifiers
RA
04h 33m 30.7s
Dec
+72° 31' 43.0"
Constellation
Cam
HR
1401
HIP
21247
Double Cat
3267
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Visibility
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Multiple Star System
Separation
39.0″
Companion Mag
12.5
Position Angle
257°
Star Colors
A: Yellow-white
Discoverer
HJ 2228
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 39.0″ · PA: 257° · 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
4.195d, K 31.3k/s, V0 +9.0k/s, asini 1.81.
Hyades group.
Survey Image
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