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Upsilon CrB

HIP 79757; Upsilon CrB; 18 CrB DoubleStar CrB Visible Level 3 Medium telescope (6-8") - Requires steady seeing
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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

Visibility

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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
N E 23° A (5.8) B (13.9)

Sep: 53.8″ · PA: 23° · N up, E left

Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″

Size Comparison

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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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

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