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Nu Pavonis — Star in Pavo

Star Pavo (Pav) Visible
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1Physical Properties

Magnitude 4.64
Range 4.60 - 4.64
Period 20.5 hours
Variable Type Slowly Pulsating B Star
Spectral Type B7-8III
Star Color Blue-white (B-V -0.11)

2Position & Identifiers

RA 18h 31m 22.4s
Dec -62° 16' 42.0"
Constellation Pavo (Pav)
HR 6916
HIP 90797
HD 169978
Bayer Nu

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Medium+ Medium 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 May – Jul (peak: Jun)

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5

Size Comparison

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7

Spectral Classification

8

Hertzsprung-Russell Diagram

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9

Stellar Lifecycle

10

Blackbody Spectrum

11

Stellar Absorption Spectrum

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

12

Stellar Fusion

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13Stellar Notes

4.6 - 4.64V.
Wolf 630 group.

Survey Image

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