Atlas
HIP 17847; 27 Tau
HIP 17847; 27 Tau
Star
Tau
Visible
Level 1
Naked eye / Binoculars
Physical Properties
Magnitude
3.63
Range
3.63 - 3.64
Period
2.4 days
Variable Type
Slowly Pulsating B Star
Spectral Type
B7III
Star Color
Blue-white
(B-V -0.09)
Distance
399 ly
Position & Identifiers
RA
03h 49m 09.7s
Dec
+24° 03' 12.0"
Constellation
Tau
HR
1178
HIP
17847
Flamsteed
27 Tau
Double Cat
2786
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Visibility
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Light Curve
Multiple Star System
Components
3
Component IDs
A
Separation
95.1″
Companion Mag
13.2
Position Angle
286°
Star Colors
A: Blue-white
B: Yellow-white
Discoverer
HL 29
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
Component A SB, 4.1, 5.6, sep. 0.006" and 0.019". B, 6.8v at 0.4".
ADS 2786A, 1254.68d, K 14.5k/s, V0 -0.4k/s, asini 248. Unresolved by speckle interferometry 1981.68.
Pleiades cluster; Mel 22 #2168.
Atlas.
Survey Image
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