57 Aql
Observable Double Star
Good (59/100)
Sep: 36.3", Companion: mag 6.3
HIP 97966; 57 Aql
DoubleStar
Aql
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
5.71
Spectral Type
B7Vn
Star Color
Blue-white
(B-V -0.08)
Distance
326.2 ly
Position & Identifiers
RA
19h 54m 37.6s
Dec
-08° 13' 38.0"
Constellation
Aql
HR
7593
HIP
97966
Flamsteed
57 Aql
Double Cat
13087
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Visibility
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Multiple Star System
Separation
36.3″
Companion Mag
6.3
Companion Sp
B8V
Position Angle
171°
Star Colors
A: Blue-white
B: Blue-white
Discoverer
STF2594
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 36.3″ · PA: 171° · 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
CPM with HR 7594.
Survey Image
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