HIP 88298
HIP 88298
DoubleStar
Sgr
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.77
Spectral Type
B0Ib
Star Color
White
(B-V 0.00)
Position & Identifiers
RA
18h 01m 54.4s
Dec
-22° 46' 50.0"
Constellation
Sgr
HR
6716
HIP
88298
Double Cat
10983
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
8.3″
Companion Mag
12.8
Position Angle
238°
Star Colors
A: White
Discoverer
BU 283
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 8.3″ · PA: 238° · 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
May not be the IR source. Strong IR excess probably due to circumstellar dust envelope. Color excess E(B-V) = +0.37.
Sgr OB1; in cluster M20.
Nitrogen deficient.
Survey Image
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