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Delta Pictoris — Star in Pictor

Magnitude 4.7–4.9m Star Pictor (Pic) Visible
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1Physical Properties

Magnitude 4.81
Range 4.65 - 4.9
Period 40.1 hours
Variable Type Eclipsing Binary (Beta Lyrae-type)
Spectral Type B3III+O9V giant
Star Color Blue (B-V -0.23)

2Position & Identifiers

RA 06h 10m 17.9s
Dec -54° 58' 07.0"
Constellation Pictor (Pic)
HR 2212
HIP 29276
HD 42933
SAO 234359
Bayer Delta
Variable ID Del Pic
SIMBAD

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 Nov – Jan (peak: Dec)

5Survey Image

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6

Size Comparison

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7

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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

EB 4.65 - 4.90V, 1.672541d.
1.6725d, K 167.0k/s, V0 +30.6k/s, asini 3.84.

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.

NGC 2191
Hard+
Bright spiral galaxy
Galaxy mag 12.30 2.5° Carina
Beta Dor
Medium
Pulsating variable, period 9.8d
Variable Star mag 3.76 8.9° Dorado
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