HV Vel
HIP 42177
DoubleStar
Vel
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
5.80
Range
5.77 - 5.81
Period
2.7 days
Variable Type
roAp:
Spectral Type
B8Si
Star Color
Blue-white
(B-V -0.13)
Position & Identifiers
RA
08h 35m 52.1s
Dec
-50° 58' 12.0"
Constellation
Vel
HR
3413
HIP
42177
Variable ID
HV Vel
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Visibility
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Light Curve
Multiple Star System
Separation
0.6″
Companion Mag
8.7
Position Angle
221°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
HUB 7
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.6″ · PA: 221° · 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 Fusion
Stellar Notes
Amp. 0.025y, 2.67d. Spectrum var. same period.
In cluster IC 2391.
Survey Image
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