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11 Cam

Observable Double Star Excellent (64/100)

Sep: 177.7", Companion: mag 6.2

HIP 23734; 11 Cam DoubleStar Cam Visible Level 1 Naked eye / Binoculars - Requires steady seeing
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Physical Properties

Magnitude 5.08
Variable Type Gamma Cassiopeiae (Eruptive Be Star)
Spectral Type B2.5Ve
Star Color Blue-white (B-V -0.08)

Position & Identifiers

RA 05h 06m 08.5s
Dec +58° 58' 21.0"
Constellation Cam
HR 1622
HIP 23734
Flamsteed 11 Cam
Variable ID BV Cam

Visibility

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Multiple Star System

Components 4
Component IDs AB
Separation 177.7″
Companion Mag 6.2
Position Angle 10°
Star Colors A: Blue-white B: Orange
Discoverer STFA 13

Eyepiece View

32x Dawes: 1.9″ TFOV: 1.6°
Realistic = true angular size
N E 10° A (5.1) B (6.2)

Sep: 177.7″ · PA: 10° · 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

Gamma Cas, amp. 0.07V, period a few hours?
Optical pair with HR 1623.
Group with HR 1603, 1719.
Pole on. Rotationally unstable Be shell star.

Survey Image

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