V473 Lyrae — Variable Star in Lyra
Excellent (60/100)
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1Physical Properties
Magnitude
6.16
Range
5.99 - 6.35
Period
35.8 hours
Variable Type
Classical Cepheid (First Overtone)
Spectral Type
F6Ib-II
supergiant
Star Color
Yellow
(B-V 0.61)
2Position & Identifiers
RA
19h 15m 59.4s
Dec
+27° 55' 37.0"
Constellation
Lyra
(Lyr)
HR
7308
HIP
94685
HD
180583
SAO
87008
Variable ID
V473 Lyr
Querying VizieR catalog...
3How easy to follow?
Magnitude
6.0 – 6.4 mag
Amplitude
0.4 mag
Period
1.49 d
Type
DCEPS
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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
Jun – Aug
(peak: Jul)
5Survey Image
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6Light Curve
7Comparison Stars for V473 Lyr (6.0–6.3)
Nearby stable stars for estimating brightness (AAVSO)
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Explore
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
Delta Cep 5.99 - 6.35, 1.49078 or 1.49107d. Period variable. Also 1178.5 and 2655d. Amp. variable in 1063.5d. | If Pop. I, shortest known classical Cepheid in Galaxy.
1.49107d.
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.
M56
NGC 6779
Globular cluster — dense ball of ancient stars
Globular Cluster
mag 8.3
2.3°
Lyra
Albireo
HIP 95951; Beta2 Cygni; 6 Cygni
Colorful double, sep 34.7″
Double Star
mag 5.11
3.3°
Cygnus
NGC 6743
Open cluster
Open Cluster
mag 8.20
3.5°
Lyra
SU Cyg
Pulsating variable, period 3.8d
Variable Star
mag 6.82
6.5°
Cygnus
Sheliak
HIP 92420; Beta Lyrae; 10 Lyrae
Eclipsing binary, period 12.9d
Variable Star
mag 3.45
7.8°
Lyra
U Sge
Eclipsing binary, period 3.4d
Variable Star
mag 6.58
8.3°
Sagitta
U Vul
Pulsating variable, period 8.0d
Variable Star
mag 7.14
8.9°
Vulpecula
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