Sualocin
HIP 101958; Alpha Del; 9 Del
HIP 101958; Alpha Del; 9 Del
DoubleStar
Del
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.77
Spectral Type
B9IV
Star Color
Blue-white
(B-V -0.06)
Distance
253.5 ly
Position & Identifiers
RA
20h 39m 38.3s
Dec
+15° 54' 43.0"
Constellation
Del
HR
7906
HIP
101958
Bayer
Alpha
Flamsteed
9 Del
Double Cat
14121
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Visibility
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Multiple Star System
Components
6
Component IDs
AC
Separation
35.5″
Companion Mag
13.4
Position Angle
233°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
BU 298
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 35.5″ · PA: 233° · 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
Companions optical.
ADS 14121A, sep. 0.23", mag. diff 2. Resolved by speckle interferometry 1986.45, sep. 0.14".
Sualocin; Scalovin; Svalocin; Nicolaus.
Survey Image
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