T Tau
Showpiece (78/100)
HR 9132
VariableStar
Tau
Visible
Level 3
Medium telescope (6-8") - Monitor brightness changes
Physical Properties
Magnitude
9.30
Range
9.3 - 13.5
Period
2.810 days
Variable Type
Classical T Tauri Star
Spectral Type
G-M
Position & Identifiers
RA
04h 21m 59.0s
Dec
+19° 32' 06.0"
Constellation
Tau
HR
9132
Variable ID
T Tau
Visibility
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Light Curve
Comparison Stars for T Tau (9.3–13.5)
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
0.7″
Companion Mag
8.1
Position Angle
191°
Discoverer
GHE 6
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.7″ · PA: 191° · N up, E left
Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Stellar Lifecycle
Spectral Classification
Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
T Tauri; T Tauri prototype; Young stellar object, irregular
Survey Image
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