Wasat
HIP 35550; Delta Gem; 55 Gem
Observable Double Star
Excellent (64/100)
Sep: 5.5", Companion: mag 8.2
HIP 35550; Delta Gem; 55 Gem
DoubleStar
Gem
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.53
Spectral Type
F2V Fe-0.5
Star Color
Yellow-white
(B-V 0.34)
Distance
60.5 ly
Position & Identifiers
RA
07h 20m 07.4s
Dec
+21° 58' 56.0"
Constellation
Gem
HR
2777
HIP
35550
Bayer
Delta
Flamsteed
55 Gem
Double Cat
5983
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Visibility
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Multiple Star System
Components
3
Component IDs
O
Separation
5.5″
Companion Mag
8.2
Companion Sp
K6V
Position Angle
229°
Star Colors
A: Yellow-white
B: Red
Discoverer
STF1066
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 5.5″ · PA: 229° · 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
AB 3.55 F0IV, 8.18 K3V, 1200y, a = 6.975". Component A is SB, 3.7, 5.7v, sep. 0.2".
ADS 5983A, 2238.6d, K 27.1k/s, V0 +4.1k/s, asini 781. SB character has, however, been questioned by occultation | data. Unresolved by speckle interferometry 1978.96 and 1983.93.
Variously classified A9III, F0IV, F2IV.
0.039".
Wasat; Wesat.
Survey Image
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