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Gamma CrB

HIP 76952; Gamma CrB; 8 CrB DoubleStar CrB Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 3.84
Range 3.81 - 3.82
Period 21.4 hours
Variable Type Ellipsoidal Variable
Spectral Type A0V
Star Color White (B-V 0.00)
Distance 146.0 ly

Position & Identifiers

RA 15h 42m 44.6s
Dec +26° 17' 44.0"
Constellation CrB
HR 5849
HIP 76952
Bayer Gamma
Flamsteed 8 CrB
Variable ID Gam CrB
Double Cat 9757

Visibility

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Light Curve

Multiple Star System

Separation 0.6″
Companion Mag 5.6
Companion Sp A3V
Position Angle 121°
Star Colors A: White B: White
Discoverer STF1967

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 121° A (3.8) B (5.6)

Sep: 0.6″ · PA: 121° · 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 3.80-3.86V, 0.030d. Mass 1.9 solar. Possibly beat period?
4.08 A0IV, 5.51 A3V, 91.0y, a = 0.74". Combined mag., color.
ADS 9757A.
Hyades group.
0.018".

Survey Image

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