Delta Andromedae — Star in Andromeda
About Delta And
Description
Delta Andromedae is an orange giant of spectral type K3III at magnitude 3.27 in Andromeda. Located about 101 light-years from Earth, it has a luminosity of roughly 68 times solar. It lies in the southern foot of Andromeda, near the border with Pisces.
Observing Tips
Delta And lies south of the main chain of Andromeda stars, near the border with Pisces and Triangulum. It is a warm orange star that helps define the lower boundary of Andromeda's figure. Best observed September through January.
History
Delta Andromedae has no widely used traditional name. Andromeda is one of the 48 Ptolemaic constellations, representing the mythological princess chained to a rock as a sacrifice to a sea monster.
Fun Facts
Delta And lies close to the celestial border between Andromeda and Pisces, in a region rich with faint galaxies belonging to the Pisces-Perseus supercluster.
Observe
1Physical Properties
2Position & Identifiers
3How easy to spot?
| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Easy | Easy | Medium+ |
| 50 mm finder 50mm finder | Easy | Easy | Easy |
| 150 mm telescope 150mm scope | Easy | Easy | Easy |
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
4Visibility
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5Survey Image
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Explore
7
Size Comparison
8
Compare Stars
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Spectral Classification
10
Hertzsprung-Russell Diagram
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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
Discover
15Stellar Notes
16
Light Travel Time Machine
17
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.
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