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Lambda Telescopii — Star in Telescopium

Magnitude 4.9m Star Telescopium (Tel) Visible
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Observe

1Physical Properties

Magnitude 4.87
Spectral Type A0V
Star Color Blue-white (B-V -0.05)

2Position & Identifiers

RA 18h 58m 27.7s
Dec -52° 56' 19.0"
Constellation Telescopium (Tel)
HR 7134
HIP 93148
HD 175510
SAO 245834
Bayer Lambda

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)

5Survey Image

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Explore

6

Size Comparison

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Compare Stars

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Spectral Classification

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Hertzsprung-Russell Diagram

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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

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.

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