V1401 Aql
Observable Variable Star
Good (56/100)
Range: 6.2 - 6.5, Period: 28.5d, Type: SR
HIP 98910
VariableStar
Aql
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
6.34
Variable Type
Semi-Regular Variable
Spectral Type
F1III
Star Color
Yellow
(B-V 0.52)
Position & Identifiers
RA
20h 05m 05.4s
Dec
-11° 35' 58.0"
Constellation
Aql
HR
7671
HIP
98910
Variable ID
V1401 Aql
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Visibility
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Comparison Stars for V1401 Aql (6.2–6.5)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
46.8″
Position Angle
276°
Star Colors
A: Yellow
Discoverer
H 4 3
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 46.8″ · PA: 276° · 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
SRd 6.18 - 6.55V, 28.49d.
Discovered as double by W. Herschel; companion not rediscovered.
Probably a supergiant.
Survey Image
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