93 Leo
HIP 57565; 93 Leo
DoubleStar
Leo
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
4.53
Spectral Type
G5III-IVe+A7V
Star Color
Yellow
(B-V 0.55)
Distance
148 ly
Position & Identifiers
RA
11h 47m 59.1s
Dec
+20° 13' 08.0"
Constellation
Leo
HR
4527
HIP
57565
Flamsteed
93 Leo
Variable ID
DQ Leo
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Visibility
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Multiple Star System
Separation
74.4″
Companion Mag
9.0
Position Angle
356°
Star Colors
A: Yellow
B: Yellow
Discoverer
STFB 7
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 74.4″ · PA: 356° · 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 Fusion
Stellar Notes
RS, amp. 0.03V, 71.7d.
71.70d, K 23.7k/s, V0 -0.2k/s, asini 23.3. vsini of G-type component =<50k/s; of A-type, 110k/s.
H and K lines of the G-type component show moderately strong emission. Spectroscopic data indicate mag. of A component | is 5.52V, B component 5.09V.
Survey Image
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