HIP 90971
HIP 90971
DoubleStar
Oph
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
6.42
Spectral Type
B8IIIpSiSr:
Star Color
Blue-white
(B-V -0.03)
Position & Identifiers
RA
18h 33m 23.3s
Dec
+08° 16' 06.0"
Constellation
Oph
HR
6967
HIP
90971
Double Cat
11448
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Visibility
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Multiple Star System
Separation
37.8″
Companion Mag
10.3
Position Angle
249°
Star Colors
A: Blue-white
B: Yellow
Discoverer
STT 355
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 37.8″ · PA: 249° · 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
Companion optical.
Survey Image
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