HIP 85923
HIP 85923
DoubleStar
Dra
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
6.17
Variable Type
Delta Scuti (Pulsating)
Spectral Type
G5III+A5V
Star Color
Yellow
(B-V 0.59)
Position & Identifiers
RA
17h 33m 31.7s
Dec
+57° 33' 32.0"
Constellation
Dra
HR
6560
HIP
85923
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Visibility
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Multiple Star System
Separation
0.1″
Companion Mag
6.9
Companion Sp
G5III
Position Angle
330°
Star Colors
A: Yellow
B: Orange
Discoverer
MLR 571
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.1″ · PA: 330° · N up, E left
Unresolved · 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
Delta Sct?
Measured sep. 0.140" on 1985.5 by speckle interferometry.
178.55d, K 16.1k/s, V0 -2.3k/s, asini 36.
Spectrum may be peculiar Fm single star rather than composite, even though RV varies by 30k/s. vsini for G5III and A7V | estimated as 28k/s and =<60k/s, respectively.
Survey Image
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