53 Sgr
HIP 96729; 53 Sgr
DoubleStar
Sgr
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
6.34
Spectral Type
B9.5V+A3IV
Star Color
White
(B-V 0.03)
Position & Identifiers
RA
19h 39m 49.4s
Dec
-23° 25' 40.0"
Constellation
Sgr
HR
7470
HIP
96729
Flamsteed
53 Sgr
Double Cat
12741
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Visibility
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Multiple Star System
Separation
0.2″
Companion Mag
7.5
Position Angle
330°
Star Colors
A: White
B: Yellow-white
Discoverer
SEE 389
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.2″ · PA: 330° · N up, E left
Unresolved · 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
Sep. 0.200".
Survey Image
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