V923 Scorpii — Variable Star in Scorpius
Good (55/100)
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1Physical Properties
Magnitude
5.91
Range
5.86 - 6.24
Period
35 days
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
F4IV+F2V
subgiant
Star Color
Yellow-white
(B-V 0.38)
2Position & Identifiers
RA
17h 03m 50.8s
Dec
-38° 09' 08.0"
Constellation
Scorpius
(Sco)
HR
6327
HIP
83491
HD
153890
SAO
208355
Variable ID
V923 Sco
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3How easy to follow?
Magnitude
5.9 – 6.2 mag
Amplitude
0.4 mag
Period
34.83 d
Type
EA/D
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | V. hard+ | V. hard | Imp. |
| 50 mm finder 50mm finder | Hard+ | Hard+ | Hard+ |
| 150 mm telescope 150mm scope | Hard+ | Hard+ | Hard+ |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
Out of reach for typical amateur telescopes, even at Bortle 3.
4Visibility
Set a location in User Settings to see visibility data.
Best season
May – Jul
(peak: Jun)
5Survey Image
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6Light Curve
7Comparison Stars for V923 Sco (5.9–6.2)
Nearby stable stars for estimating brightness (AAVSO)
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8
Size Comparison
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9
Compare Stars
10
Spectral Classification
11
Hertzsprung-Russell Diagram
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12
Stellar Lifecycle
13
Blackbody Spectrum
14
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
15
Stellar Fusion
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16Stellar Notes
E amp. 0.35V, 34.8269:d.
34.8189d, K 53.6k/s, V0 -14.8k/s, msin3i 1.48, asini 23.3.
NGC 6281 #1 (nonmember).
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.
NGC 6268
Open cluster
Open Cluster
mag 10.0
1.6°
Scorpius
Bug Nebula
NGC 6302
Small bright planetary nebula
Planetary Nebula
mag 9.6
2.2°
Scorpius
Pipirima
HIP 82545; Mu Scorpii
Hot blue O-type star
Star
mag 3.57
2.3°
Scorpius
V861 Sco
Eclipsing binary, period 7.8d
Variable Star
mag 6.15
3.0°
Scorpius
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