Tarf
HIP 40526; Beta Cnc; 17 Cnc
HIP 40526; Beta Cnc; 17 Cnc
DoubleStar
Cnc
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.52
Spectral Type
K4III Ba0.5:
Star Color
Red
(B-V 1.48)
Distance
303.3 ly
Position & Identifiers
RA
08h 16m 30.9s
Dec
+09° 11' 08.0"
Constellation
Cnc
HR
3249
HIP
40526
Bayer
Beta
Flamsteed
17 Cnc
Double Cat
6704
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Separation
29.4″
Companion Mag
14.3
Position Angle
294°
Star Colors
A: Red
Discoverer
BU 1065
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 29.4″ · PA: 294° · 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
CPM.
Altarf; Al Tarf.
Survey Image
Loading survey image…