HIP 101909
HIP 101909
DoubleStar
Del
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.97
Spectral Type
B3V
Star Color
Blue-white
(B-V -0.14)
Position & Identifiers
RA
20h 39m 05.0s
Dec
+15° 50' 17.0"
Constellation
Del
HR
7899
HIP
101909
Double Cat
14106
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Visibility
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Multiple Star System
Components
5
Component IDs
AC
Separation
5.2″
Companion Mag
12.4
Position Angle
154°
Star Colors
A: Blue-white
Discoverer
BU 288
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 5.2″ · PA: 154° · 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
AB optical. B, 13v at 7".
Survey Image
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