10 Sagittae — Variable Star in Sagitta
Excellent (68/100)
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1Physical Properties
Magnitude
5.36
Range
5.24 - 6.04
Period
8.4 days
Variable Type
Classical Cepheid
Spectral Type
G5Ib
supergiant
Star Color
Yellow
(B-V 0.67)
Distance
362 ly
2Position & Identifiers
RA
19h 56m 01.3s
Dec
+16° 38' 05.0"
Constellation
Sagitta
(Sge)
HR
7609
HIP
98085
HD
188727
SAO
105436
Flamsteed
10 Sge
Variable ID
S Sge
Querying VizieR catalog...
3How easy to follow?
Magnitude
5.3 – 6.0 mag
Amplitude
0.8 mag
Period
8.38 d
Type
DCEP
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| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Hard | V. hard+ | V. hard |
| 50 mm finder 50mm finder | Medium | Medium | Medium |
| 150 mm telescope 150mm scope | Medium+ | Medium+ | Medium+ |
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
Jun – Aug
(peak: Jul)
5Survey Image
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6Light Curve
7Comparison Stars for 10 Sge (5.3–6.0)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
8
Size Comparison
Querying VizieR for stellar data…
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
Discover
16Stellar Notes
CDelta 5.28 - 6.04V, 8.382173d. Period varies. Spectrum varies, F6Ib-G5Ib.
676.2d, K 15.0k/s, V0 -10.0k/s, asini 135.
Also varies with period 8.4d.
17
Light Travel Time Machine
18
Relativistic Travel
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.
M71
NGC 6838
Globular cluster — dense ball of ancient stars
Globular Cluster
mag 8.3
2.2°
Sagitta
Pi Aql
Tight double — a rewarding split at 1.4″
Double Star
mag 5.72
5.1°
Aquila
U Vul
Pulsating variable, period 8.0d
Variable Star
mag 7.14
5.9°
Vulpecula
M27
NGC 6853
Planetary nebula — try an OIII filter
Planetary Nebula
mag 8.1
6.1°
Vulpecula
22 Vul
Observable variable star
Variable Star
mag 5.15
8.3°
Vulpecula
U Sge
Eclipsing binary, period 3.4d
Variable Star
mag 6.58
9.3°
Sagitta
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