BG Cru
Observable Variable Star
Good (51/100)
Range: 5.4 - 5.6, Period: 3.3d
HIP 61136
VariableStar
Cru
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
5.48
Spectral Type
F7Ib-II
Star Color
Yellow
(B-V 0.63)
Distance
326.2 ly
Position & Identifiers
RA
12h 31m 40.3s
Dec
-59° 25' 26.0"
Constellation
Cru
HR
4768
HIP
61136
Variable ID
BG Cru
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Visibility
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Comparison Stars for BG Cru (5.4–5.6)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
3.1″
Companion Mag
15.4
Companion Sp
F8
Position Angle
295°
Star Colors
A: Yellow
B: Yellow
Discoverer
EVS 48
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 3.1″ · PA: 295° · 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
CDelta 5.36 - 5.58V, 3.34258d.
F5Ib-G0p.
Survey Image
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