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Lambda Pavonis — Star in Pavo

Magnitude 3.4–4.3m Star Pavo (Pav) Visible
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1Physical Properties

Magnitude 4.22
Range 4.00 - 4.26
Variable Type Gamma Cassiopeiae (Eruptive Be Star)
Spectral Type B2II-IIIe bright giant
Star Color Blue-white (B-V -0.14)

2Position & Identifiers

RA 18h 52m 13.0s
Dec -62° 11' 15.0"
Constellation Pavo (Pav)
HR 7074
HIP 92609
HD 173948
SAO 254393
Bayer Lambda
Variable ID Lam Pav
SIMBAD

3How easy to spot?

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

5Survey Image

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7

Size Comparison

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8

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9

Spectral Classification

10

Hertzsprung-Russell Diagram

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

Gamma Cas 3.4 - 4.3V.
Member of the local association (Pleiades group); Sco-Cen assoc.
Also classified B1Ve. H alpha variable.
Shell.

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.

IC 4798
Hard+
Bright spiral galaxy
Galaxy mag 12.34 0.7° Pavo
C93
NGC 6752
Easy
Large bright globular cluster
Globular Cluster mag 5.4 3.2° Pavo
Xi Pav
Medium
Easy double, sep 3.7″
Double Star mag 4.36 3.5° Pavo
Kappa Pav
Medium+
Variable star, range 3.9–4.8
Variable Star mag 4.44 5.1° Pavo
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