Pi Aqr
Observable Variable Star
Good (41/100)
Range: 4.4 - 4.7, Period: 2.1h, Type: Gamma Cas
HIP 110672; Pi Aqr; 52 Aqr
VariableStar
Aqr
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
4.66
Variable Type
Gamma Cassiopeiae (Eruptive Be Star)
Spectral Type
B1Ve
Star Color
Blue-white
(B-V -0.03)
Position & Identifiers
RA
22h 25m 16.6s
Dec
+01° 22' 39.0"
Constellation
Aqr
HR
8539
HIP
110672
Bayer
Pi
Flamsteed
52 Aqr
Variable ID
Pi Aqr
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Visibility
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Comparison Stars for Pi Aqr (4.4–4.7)
Nearby stable stars for estimating brightness (AAVSO)
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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
Gamma Cas 4.42 - 4.70V. Variable magnitude, RV and emission lines due to slow rotation of line of apsides of rapidly | rotating equatorial shell. Spectrum variable 0.087d. Variable polarization.
Shell star. Also classified B1III-IVe.
2-6y.
Survey Image
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