HIP 90398
HIP 90398
DoubleStar
Her
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
6.53
Spectral Type
B3V
Star Color
Blue-white
(B-V -0.11)
Position & Identifiers
RA
18h 26m 40.9s
Dec
+26° 26' 58.0"
Constellation
Her
HR
6924
HIP
90398
Double Cat
11356
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Visibility
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Multiple Star System
Components
3
Component IDs
AC
Separation
5.5″
Companion Mag
12.1
Position Angle
107°
Star Colors
A: Blue-white
Discoverer
BU 1326
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 5.5″ · PA: 107° · 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
B, 12.6v at 6". Possibly CPM and common RV with HD 170051, 6.9v B5 at 185".
ADS 11356A.
Survey Image
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