Asellus Australis
HIP 42911; Delta Cnc; 47 Cnc
HIP 42911; Delta Cnc; 47 Cnc
DoubleStar
Cnc
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.94
Spectral Type
G9III
Star Color
Orange
(B-V 1.08)
Distance
130.5 ly
Position & Identifiers
RA
08h 44m 41.1s
Dec
+18° 09' 15.0"
Constellation
Cnc
HR
3461
HIP
42911
Bayer
Delta
Flamsteed
47 Cnc
Double Cat
6967
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Separation
40.9″
Companion Mag
12.2
Position Angle
71°
Star Colors
A: Orange
Discoverer
HJ 457
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 40.9″ · PA: 71° · 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
AP, suspected double, unresolved by speckle interferometry. Visual companion 12.2v at 38" optical.
Asellus Australis.
Survey Image
Loading survey image…