V3792 Sgr
Observable Variable Star
Excellent (61/100)
Range: 6.4 - 6.9, Period: 2.2d, Type: EB
HIP 88905
VariableStar
Sgr
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
6.61
Variable Type
Eclipsing Binary (Beta Lyrae-type)
Spectral Type
B3III
Star Color
White
(B-V 0.02)
Position & Identifiers
RA
18h 08m 54.1s
Dec
-25° 28' 21.0"
Constellation
Sgr
HR
6773
HIP
88905
Variable ID
V3792 Sgr
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Visibility
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Comparison Stars for V3792 Sgr (6.4–6.9)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
13.5″
Companion Mag
8.8
Position Angle
64°
Star Colors
A: White
B: Yellow-white
Discoverer
WNO 21
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 13.5″ · PA: 64° · 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
EB 6.43 - 6.88V, 2.24815d. Mass transfer indicated. The var. is probably the 8.85V companion of the visual double. GCVS | gives combined light.
Visual companion is blue.
2.2481d, K 151k/s, V0 -6k/s, msin3i 6.42, asini 4.66. Mean mass components 5.5 solar.
Survey Image
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