HIP 84401
HIP 84401
DoubleStar
Sco
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.53
Spectral Type
O7.5V[n]e
Star Color
Blue-white
(B-V -0.01)
Position & Identifiers
RA
17h 15m 19.3s
Dec
-33° 32' 54.0"
Constellation
Sco
HR
6397
HIP
84401
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Visibility
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Multiple Star System
Separation
5.1″
Companion Mag
13.7
Position Angle
133°
Star Colors
A: Blue-white
Discoverer
SNA 65
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 5.1″ · PA: 133° · 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
Emission lines variable? H alpha width and profile vary.
Sco OB4 assoc.; possible new OB assoc. in Sco with HR 6389 and HR 6422.
Variously classified O5pe, O7.5-O8IIIe, O7.5Vne, O8-O9Ve.
Survey Image
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