Ruchbah
HIP 6686; Delta Cas; 37 Cas
HIP 6686; Delta Cas; 37 Cas
DoubleStar
Cas
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
2.68
Range
2.68 - 2.76
Period
759.000 days
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
A5IV
Star Color
White
(B-V 0.13)
Distance
99.4 ly
Position & Identifiers
RA
01h 25m 49.0s
Dec
+60° 14' 07.0"
Constellation
Cas
HR
403
HIP
6686
Bayer
Delta
Flamsteed
37 Cas
Variable ID
Del Cas
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Visibility
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Light Curve
Multiple Star System
Separation
110.1″
Companion Mag
11.9
Position Angle
58°
Star Colors
A: White
Discoverer
BUP 19
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 110.1″ · PA: 58° · 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
EA? 2.68 - 2.76V, 759d.
Unresolved by speckle interferometry 1981.69.
Color excess E(B-V) = +0.27.
Hyades group.
Also classified A5V.
Ruchbah; Rucba; Rucha; also Ksora in Becvar.
Survey Image
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