HIP 74490
HIP 74490
DoubleStar
Lib
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
6.47
Spectral Type
B9
Star Color
Blue-white
(B-V -0.04)
Position & Identifiers
RA
15h 13m 17.5s
Dec
-24° 00' 30.0"
Constellation
Lib
HR
5655
HIP
74490
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Separation
8.2″
Companion Mag
12.5
Position Angle
45°
Star Colors
A: Blue-white
Discoverer
HUB 14
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 8.2″ · PA: 45° · 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 Notes
7.1, 7.1v, sep. 0.03"; suspected SB, but duplicity doubtful.
Survey Image
Loading survey image…