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Zeta Reticuli — Star in Reticulum

HIP 15330; Zeta1 Reticuli

Magnitude 5.5m Star Reticulum (Ret) Visible
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1Physical Properties

Magnitude 5.54
Variable Type Eclipsing Binary (Algol-type)
Spectral Type G2.5VFe1Hdel 1
Star Color Yellow (B-V 0.64)
Distance 34 ly

2Position & Identifiers

RA 03h 17m 46.2s
Dec -62° 34' 31.0"
Constellation Reticulum (Ret)
HR 1006
HIP 15330
HD 20766
SAO 248770
Bayer Zeta1
SIMBAD Wikipedia

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Medium Hard+ Hard
50mm finder Easy Easy Easy
150mm scope Easy Easy Easy
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)

5Survey Image

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6

Size Comparison

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7

Compare Stars

8

Spectral Classification

9

Hertzsprung-Russell Diagram

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Read: The Hertzsprung-Russell Diagram — Reading Stars Like a Map
10

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

Nearby star suspected of variability from discordant photometric observations.
CPM with HR 1010.
15

Light Travel Time Machine

16

Relativistic Travel

Nearby in the Sky

Other targets within a few degrees — pan your scope a little and keep exploring.

Visibility scores assume a 150 mm Newton at Bortle 4.

Zeta Ret
HIP 15371; Zeta2 Reticuli
Easy
Easy double, sep 309.1″
Double Star mag 5.24 0.1° Reticulum
NGC 1313
Easy
Barred spiral galaxy
Galaxy mag 9.0 3.9° Reticulum
TW Hor
Hard+
Semi-regular variable, range 5.5–6.0
Variable Star mag 5.74 5.3° Horologium
NGC 1261
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.4 7.4° Horologium
Show on Map

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