Marfik
Lambda Oph
Observable Double Star
Fair (30/100)
Sep: 1.3", Companion: mag 5.2
HIP 80883; Lambda Oph; 10 Oph
DoubleStar
Oph
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
3.82
Spectral Type
B9/A0 III
Star Color
White
(B-V 0.01)
Distance
172.9 ly
Position & Identifiers
RA
16h 30m 54.8s
Dec
+01° 59' 02.0"
Constellation
Oph
HR
6149
HIP
80883
Bayer
Lambda
Flamsteed
10 Oph
Double Cat
10087
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
1.3″
Companion Mag
5.2
Companion Sp
A0V
Position Angle
46°
Star Colors
A: White
B: Blue-white
Discoverer
STF2055
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 1.3″ · PA: 46° · N up, E left
Unresolved · 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 4.16 A1V, 5.22 A4V. 129.87y, a = 0.970" or 126.78y, a = 0.95", combined mag., colors. Component C, 11.0v, 120" CPM.
0.019".
Marfic; Marfik; Marsic.
Survey Image
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