Ascella
HIP 93506; Zeta Sgr; 38 Sgr
HIP 93506; Zeta Sgr; 38 Sgr
DoubleStar
Sgr
Visible
Level 6
Professional/Research - Requires steady seeing
Physical Properties
Magnitude
2.60
Spectral Type
A2.5Va
Star Color
White
(B-V 0.08)
Distance
88.1 ly
Position & Identifiers
RA
19h 02m 36.7s
Dec
-29° 52' 49.0"
Constellation
Sgr
HR
7194
HIP
93506
Bayer
Zeta
Flamsteed
38 Sgr
Double Cat
11950
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
0.2″
Companion Mag
3.5
Companion Sp
A4
Position Angle
133°
Star Colors
A: White
B: White
Discoverer
HDO 150
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.2″ · PA: 133° · 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
AB 3.2 A2III, 3.4 A2V, 21.138y, a = 0.532".
0.040".
Ascella.
Survey Image
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