Porrima
HIP 61941; Gamma Vir; 29 Vir
Observable Double Star
Excellent (73/100)
Sep: 3.4", Companion: mag 3.5
HIP 61941; Gamma Vir; 29 Vir
DoubleStar
Vir
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.65
Spectral Type
F0V
Star Color
Yellow-white
(B-V 0.36)
Distance
33.0 ly
Position & Identifiers
RA
12h 41m 39.6s
Dec
-01° 26' 58.0"
Constellation
Vir
HR
4825
HIP
61941
Bayer
Gamma
Flamsteed
29 Vir
Double Cat
8630
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
3.4″
Companion Mag
3.5
Companion Sp
F0V
Position Angle
352°
Star Colors
A: Yellow-white
B: Yellow-white
Discoverer
STF1670
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 3.4″ · PA: 352° · 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
Amp. 0.02V. Blend with 4826. Uncertain which component is the variable suspect.
AB 3.48 F0V, 3.50 F0V, 171.37y, a = 3.746". Speckle interferometric sep. 3.674", 1982.38. Combined mag. 2.75V. Colors | for combined light. Component C, 15v at 53", optical.
0.084".
Porrima; Arich in Becvar.
Radius 1.5 solar.
Survey Image
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