V711 Tau
Good (54/100)
HIP 16846
DoubleStar
Tau
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.71
Range
5.71 - 5.94
Period
2.8 days
Variable Type
RS CVn (Chromospherically Active)
Spectral Type
G9V
Star Color
Orange
(B-V 0.92)
Distance
102 ly
Position & Identifiers
RA
03h 36m 47.3s
Dec
+00° 35' 16.0"
Constellation
Tau
HR
1099
HIP
16846
Variable ID
V711 Tau
Double Cat
2644
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Visibility
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Light Curve
Multiple Star System
Separation
6.7″
Companion Mag
8.9
Companion Sp
K6
Position Angle
273°
Star Colors
A: Orange
B: Red
Discoverer
STF 422
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 6.7″ · PA: 273° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
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 Fusion
Stellar Notes
RS 5.70 - 5.81V, 2.83782d. Min. migrate in period 13y. Brightest of 25 RS CVn binaries known in 1976. Also var. radio | emission. Radio flare star with variable polarization. Amp. in red light (6600 A) 0.11 mag. Star spots inferred to | be about 1100d cooler than surrounding photosphere.
5.88 dG9, 8.83, B-V +0.99, U-B +0.79, K6V, 2101y, a = 8.023". Close radio binary.
ADS 2644A, 2.8378d, K 50.2k/s, V0 -14.0k/s, msin3i 0.227, asini 1.96.
0.055".
Survey Image
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