Upsilon CrB
HIP 79757; Upsilon CrB; 18 CrB
DoubleStar
CrB
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
5.78
Spectral Type
A3V
Star Color
White
(B-V 0.07)
Position & Identifiers
RA
16h 16m 44.8s
Dec
+29° 09' 01.0"
Constellation
CrB
HR
6074
HIP
79757
Bayer
Upsilon
Flamsteed
18 CrB
Double Cat
9990
Querying VizieR catalog...
Visibility
Set a location in User Settings to see visibility data.
Multiple Star System
Components
5
Component IDs
AD
Separation
53.8″
Companion Mag
13.9
Position Angle
23°
Star Colors
A: White
Discoverer
SHJ 223
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 53.8″ · PA: 23° · 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
Sirius group? UMa stream.
Survey Image
Loading survey image…