AG Ant
Observable Variable Star
Good (52/100)
Range: 5.3 - 5.7, Period: 140.0d
HIP 50456
VariableStar
Ant
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
5.34
Spectral Type
A0Ib-IIp
Star Color
Yellow-white
(B-V 0.24)
Position & Identifiers
RA
10h 18m 07.6s
Dec
-28° 59' 31.0"
Constellation
Ant
HR
4049
HIP
50456
Variable ID
AG Ant
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Visibility
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Comparison Stars for AG Ant (5.3–5.7)
Nearby stable stars for estimating brightness (AAVSO)
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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
Alpha Cyg: 5.30 - 5.65V, amp. 0.65U, about 140d.
Lambda Boo star. Pronounced line weakening makes MK classification unsatisfactory. Visible spectrum shows weak Ca II | lines and He I 4021 is absent, as well as expected lines of Fe II and Mg II. UV spectrum, as obtained with IUE, | anomalous for late B/early A supergiants, showing numerous C I and C II lines. All spectra indicate very metal- | deficient star with high C abundance (see Waelkens et al. 1987, The Messenger No. 49, p. 29).
Survey Image
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