90 Leo
Good (59/100)
HIP 56473; 90 Leo
DoubleStar
Leo
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.95
Spectral Type
B4V
Star Color
Blue
(B-V -0.16)
Distance
1,087 ly
Position & Identifiers
RA
11h 34m 42.5s
Dec
+16° 47' 49.0"
Constellation
Leo
HR
4456
HIP
56473
Flamsteed
90 Leo
Double Cat
8220
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Components
3
Component IDs
AB
Separation
3.1″
Companion Mag
7.3
Companion Sp
B9V
Position Angle
209°
Star Colors
A: Blue
B: Blue-white
Discoverer
STF1552
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 3.1″ · PA: 209° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
Querying VizieR for stellar data…
Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
Loading HR diagram…
Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Fusion
Stellar Notes
AB binary. Combined mag., colors. B is B6. C, 9.64V F5 at 63".
ADS 8220B.
Survey Image
Loading survey image…