AT Dra
Good (57/100)
HIP 79804
VariableStar
Dra
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
5.40
Range
5.18 - 5.54
Period
36 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
M4IIIa
Star Color
Red
(B-V 1.63)
Position & Identifiers
RA
16h 17m 15.3s
Dec
+59° 45' 18.0"
Constellation
Dra
HR
6086
HIP
79804
Variable ID
AT Dra
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Light Curve
Comparison Stars for AT Dra (5.2–5.5)
Nearby stable stars for estimating brightness (AAVSO)
Loading comparison stars…
Size Comparison
Querying VizieR for stellar data…
Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
Loading HR diagram…
Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Fusion
Stellar Notes
Lb 6.8 - 7.5p.
Survey Image
Loading survey image…