T Cnc
Observable Variable Star
Fair (35/100)
Range: 7.6 - 10.5, Period: 482.0d, Type: SRB
HIP 43905
VariableStar
Cnc
Visible
Level 3
Medium telescope (6-8") - Monitor brightness changes
Physical Properties
Magnitude
7.60
Range
7.6 - 10.5
Period
482.000 days
Variable Type
Semi-Regular Variable (Late-type Giant)
Spectral Type
C
Star Color
Red
(B-V 3.00)
Position & Identifiers
RA
08h 56m 40.0s
Dec
+19° 50' 57.0"
Constellation
Cnc
HR
9112
HIP
43905
Variable ID
T Cnc
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Visibility
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Comparison Stars for T Cnc
Nearby stable stars for estimating brightness (AAVSO)
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Multiple Star System
Separation
139.0″
Companion Mag
12.8
Position Angle
254°
Star Colors
A: Red
Discoverer
BLL 27
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 139.0″ · PA: 254° · 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 Notes
Carbon star; Period 482d
Second reddest in Extended Hipparcos; Carbon star
Survey Image
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