17 Aur
Observable Variable Star
Good (57/100)
Range: 6.15 - 6.82, Period: 4.1d, Type: EA/DM
HIP 24740; 17 Aur
VariableStar
Aur
Visible
Level 2
Small telescope (4") - Monitor brightness changes
Physical Properties
Magnitude
6.14
Range
6.15 - 6.82
Period
4.135 days
Variable Type
Eclipsing Binary (Algol-type)
Spectral Type
B9.5V
Star Color
Blue-white
(B-V -0.06)
Position & Identifiers
RA
05h 18m 18.9s
Dec
+33° 46' 02.0"
Constellation
Aur
HR
1728
HIP
24740
Flamsteed
17 Aur
Variable ID
AR Aur
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Light Curve
Comparison Stars for 17 Aur (6.2–6.8)
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 Notes
EA 6.15 - 6.82V, 6.05 - 6.72B, A0 + A0, 4.134695d, changing period.
Possible CPM with HR 1732.
4.1346d, K 107.2k/s, V0 +25.1k/s, msin3i 2.48, asini 6.09; vsini of secondary 62k/s.
Aur OB1. Concentration of hydrogen emission in direction of this association.
Also classified ApHgMn + B9V.
Survey Image
Loading survey image…