HIP 99870
HIP 99870
DoubleStar
Cyg
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
6.31
Spectral Type
A2Vn
Position & Identifiers
RA
20h 15m 43.4s
Dec
+50° 13' 58.0"
Constellation
Cyg
HR
7755
HIP
99870
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Visibility
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Multiple Star System
Separation
0.1″
Position Angle
173°
Discoverer
CHR 93
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.1″ · PA: 173° · N up, E left
Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
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Stellar Lifecycle
Spectral Classification
Blackbody Spectrum
Stellar Absorption Spectrum
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Survey Image
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