V790 Centauri — Double Star in Centaurus
Observe
1Physical Properties
Magnitude
6.18
Range
6.15 - 6.33
Period
30.7 hours
Variable Type
Eclipsing Binary (Beta Lyrae-type)
Spectral Type
B2.5Vn
Star Color
Blue
(B-V 0.01)
2Position & Identifiers
RA
13h 22m 35.7s
Dec
-60° 58' 20.0"
Constellation
Centaurus
(Cen)
HR
5034
HD
116072
SAO
252283
Variable ID
V790 Cen
3How easy to split?
Primary
6.2 mag
Companion
9.6 mag
Separation
10.0″
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| Telescope | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| 80 mm refractor 80mm refr. | Medium+ | Medium+ | Medium |
| 150 mm Newton 150mm Newt. | Easy | Easy | Easy |
| Celestron C8 (203 mm SCT) C8 203mm | Easy | Easy | Easy |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
Set a location in User Settings to see visibility data.
Best season
Mar – May
(peak: Apr)
5Light Curve
6Multiple Star System Triple
Components
3 (triple)
Component IDs
AB
Separation
10.0″
Companion Mag
9.6
Position Angle
61°
Star Colors
A: Blue
B: Yellow
Discoverer
SHT 50
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
A: 6.2 · B: 9.6 · Sep: 10.0″ · PA: 61° · N up, E right
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
Explore
7
Compare Stars
8
Spectral Classification
9
Hertzsprung-Russell Diagram
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10
Stellar Lifecycle
11
Blackbody Spectrum
12
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
13
Stellar Fusion
Discover
14Stellar Notes
Beta C? 6.16 - 6.27:V, 5.91 - 6.07p.
Sco-Cen stream.
Nearby in the Sky
Other targets within a few degrees — pan your scope a little and keep exploring.
Visibility scores assume a 150 mm Newton at Bortle 4.
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