Algenib
HIP 1067; Gamma Peg; 88 Peg
HIP 1067; Gamma Peg; 88 Peg
DoubleStar
Peg
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
2.83
Variable Type
Beta Cephei (Pulsating)
Spectral Type
B2IV
Star Color
Blue
(B-V -0.23)
Distance
389.7 ly
Position & Identifiers
RA
00h 13m 14.2s
Dec
+15° 11' 01.0"
Constellation
Peg
HR
39
HIP
1067
Bayer
Gamma
Flamsteed
88 Peg
Variable ID
Gam Peg
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
164.1″
Companion Mag
12.7
Position Angle
286°
Star Colors
A: Blue
Discoverer
BUP 3
Eyepiece View
32x
Dawes: 1.9″
TFOV: 1.6°
Realistic = true angular size
Sep: 164.1″ · PA: 286° · 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
Beta C 2.80 - 2.87V, 0.1517495d.
6.830713d, K 1.34k/s, V0 2.5k/s, asini 0.181Solar R.
Color excess E(B-V) = +0.01.
Lyman beta observed from COPERNICUS. Chlorine in spectrum.
RV also varies with period 0.151750125d.
ALGENIB.
Survey Image
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