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Salm — Star in Pegasus

HIP 115250; Tau Pegasi; 62 Pegasi

Magnitude 4.6m Star Pegasus (Peg) Visible
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1Physical Properties

Magnitude 4.60
Variable Type Delta Scuti (Pulsating)
Spectral Type A5Vp
Star Color Yellow-white (B-V 0.17)
Distance 88 ly

2Position & Identifiers

RA 23h 20m 38.2s
Dec +23° 44' 25.0"
Constellation Pegasus (Peg)
HR 8880
HIP 115250
HD 220061
SAO 91186
Bayer Tau
Flamsteed 62 Peg
Variable ID Tau Peg
SIMBAD Wikipedia

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 Aug – Oct (peak: Sep)

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

Delta Sct 4.60 - 4.62V, 0.05433d, secondary 0.04895d, beat period 0.4943d.
Lambda Boo star, Mg 4481, met. wk.
Salm; Kerb; Markab; El khereb.
15

Light Travel Time Machine

16

Relativistic Travel

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 7673
Hard
Bright spiral galaxy
Galaxy mag 12.7 1.6° Pegasus
Scheat
HIP 113881; Beta Pegasi; 53 Pegasi
Hard+
Semi-regular variable, range 2.3–2.7
Variable Star mag 2.42 5.8° Pegasus
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