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1 Cam

Observable Double Star Excellent (64/100)

Sep: 10.4", Companion: mag 6.8

HIP 21148; 1 Cam DoubleStar Cam Visible Level 1 Naked eye / Binoculars - Requires steady seeing
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Physical Properties

Magnitude 5.77
Spectral Type B0III
Star Color Yellow-white (B-V 0.18)
Distance 544 ly

Position & Identifiers

RA 04h 32m 01.8s
Dec +53° 54' 39.0"
Constellation Cam
HR 1417
HIP 21148
Flamsteed 1 Cam
Variable ID Var?
Double Cat 3274

Visibility

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Multiple Star System

Components 3
Component IDs AB
Separation 10.4″
Companion Mag 6.8
Position Angle 308°
Star Colors A: Yellow-white B: Yellow-white
Discoverer STF 550

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 308° A (5.8) B (6.8)

Sep: 10.4″ · PA: 308° · 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 Fusion

Stellar Notes

AB binary. B, 6.94V, +0.16(B-V), -0.70(U-B), B1IV? vsini =<25k/s.
Cam OB1.

Survey Image

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