57 Aql
Good (59/100)
HIP 97966; 57 Aql
DoubleStar
Aquila
(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 ly
Position & Identifiers
RA
19h 54m 37.6s
Dec
-08° 13' 38.0"
Constellation
Aquila
(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: 2.3″
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 Fusion
Stellar Notes
CPM with HR 7594.
Light Travel Time Machine
Relativistic Travel
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