29 Aqr
Observable Variable Star
Range: 6.4 - 6.8, Period: 22.7h, Type: EA
HIP 108797; 29 Aqr
DoubleStar
Aqr
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
6.37
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
A2V+K0III
Star Color
Yellow-white
(B-V 0.42)
Distance
543.6 ly
Position & Identifiers
RA
22h 02m 26.6s
Dec
-16° 57' 51.0"
Constellation
Aqr
HR
8396
HIP
108797
Flamsteed
29 Aqr
Variable ID
DX Aqr
Double Cat
15562
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Visibility
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Comparison Stars for 29 Aqr (6.4–6.8)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Components
3
Component IDs
AB
Separation
3.9″
Companion Mag
7.2
Companion Sp
K0III
Position Angle
246°
Star Colors
A: Yellow-white
B: Orange
Discoverer
S 802
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 3.9″ · PA: 246° · 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
ADS 15562A, EA 6.37 - 6.78V, 0.9450132d.
Component B, 7.2v, at 3.7" variously classified G2V, G2III:, K0III:; C 11.7v at 143".
0.9450d, K 97.9k/s, V0 +15.0k/s, asini 1.27.
Survey Image
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