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Iota Lupi — Star in Lupus

Magnitude 3.5m Star Lupus (Lup) Visible
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1Physical Properties

Magnitude 3.55
Range 3.54 - 3.55
Variable Type BCEP:
Spectral Type B2.5 IV subgiant
Star Color Blue (B-V -0.18)
Distance 338 ly

2Position & Identifiers

RA 14h 19m 24.2s
Dec -46° 03' 28.0"
Constellation Lupus (Lup)
HR 5354
HIP 69996
HD 125238
SAO 224833
Bayer Iota

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Easy Easy Medium+
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 Mar – May (peak: Apr)

5Survey Image

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7

Size Comparison

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9

Spectral Classification

10

Hertzsprung-Russell Diagram

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11

Stellar Lifecycle

12

Blackbody Spectrum

13

Stellar Absorption Spectrum

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

14

Stellar Fusion

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15Stellar Notes

Sco-Cen assoc.; doubtful member of the Sco-Cen cluster.
16

Light Travel Time Machine

17

Relativistic Travel

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