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HIP 14844 — Double Star in Cepheus

Magnitude 6.0m DoubleStar Cepheus (Cep) Visible
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1Physical Properties

Magnitude 5.95
Spectral Type A7III-IV giant
Star Color Yellow-white (B-V 0.15)
Distance 181 ly

2Position & Identifiers

RA 03h 11m 42.8s
Dec +81° 28' 14.0"
Constellation Cepheus (Cep)
HR 906
HIP 14844
HD 18778
SAO 500
Double Cat 2348

3How easy to split?

Primary 6.0 mag Companion 10.7 mag Separation 20.3″
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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Medium Hard+ Hard
150mm Newt. Medium+ Medium+ Medium
C8 203mm Easy Easy Medium+
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

4Visibility

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Best season Oct – Dec (peak: Nov)

5Multiple Star System

Separation 20.3″
Companion Mag 10.7
Position Angle 289°
Star Colors A: Yellow-white B: Orange
Discoverer STF 327
ADS 2348B probably optical.

Separation over time

Measured 1902 → 2016 (114 y)
Separation drift 25.0" → 20.3" (-4.70")
Rate -0.0412" / y
PA drift 282° → 289° (+7°, +0.061°/y)

Apparent motion is significant on a human timescale — worth revisiting in a decade.

Measured from the WDS observational archive. No orbital solution has been derived — most likely the period is too long to fit an orbit to the available measurement arc.

Eyepiece View

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80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 289°

A: 6.0 · B: 10.7 · Sep: 20.3″ · PA: 289° · N up, E right

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

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6

Size Comparison

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Spectral Classification

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Hertzsprung-Russell Diagram

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Stellar Lifecycle

11

Blackbody Spectrum

12

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

13

Stellar Fusion

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14Stellar Notes

ADS 2348A, 11.665d, K 4.5k/s, V0 -7.4k/s, asini 0.691.
UMa stream.
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Light Travel Time Machine

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Relativistic Travel

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