HIP 104539
HIP 104539
DoubleStar
Vul
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
6.68
Spectral Type
A1V
Star Color
White
(B-V 0.03)
Position & Identifiers
RA
21h 10m 32.0s
Dec
+22° 27' 17.0"
Constellation
Vul
HR
8101
HIP
104539
Double Cat
14710
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Visibility
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Multiple Star System
Separation
18.1″
Companion Mag
7.4
Position Angle
301°
Star Colors
A: White
B: Yellow-white
Discoverer
STF2769
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 18.1″ · PA: 301° · 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
Fixed. Companion A4V.
Also classified Am(A0/A2V/A2).
Survey Image
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