53 Cnc
HIP 43575; 53 Cnc
DoubleStar
Cancer
(Cnc)
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
6.23
Range
5.9 - 6.37
Period
27.0 days
Variable Type
Semi-Regular Variable (Short Period)
Spectral Type
M3III
Star Color
Red
(B-V 1.62)
Distance
3,262 ly
Position & Identifiers
RA
08h 52m 28.6s
Dec
+28° 15' 33.0"
Constellation
Cancer
(Cnc)
HR
3521
HIP
43575
Flamsteed
53 Cnc
Variable ID
BO Cnc
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Light Curve
Multiple Star System
Separation
43.7″
Companion Mag
11.7
Position Angle
335°
Star Colors
A: Red
Discoverer
HJ 460
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 43.7″ · PA: 335° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″
Size Comparison
Querying VizieR for stellar data…
Compare Stars
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
Lb? 6.23 - 6.37V.
Magnetic star.
Lines of higher excitation potential show higher RV.
BAC and others call this Rho1, HR 3522 Rho2, and HR 3540 Rho3.
Light Travel Time Machine
Relativistic Travel
Survey Image
Loading survey image…