Albaldah — Double Star in Sagittarius
HIP 94141; Pi Sagittarii; 41 Sagittarii
About Albaldah
Description
Albaldah is a yellow-white giant of spectral type F2II at magnitude 2.89 in Sagittarius. Located about 440 light-years from Earth, it has a luminosity of roughly 4,100 times solar. It lies in the upper part of the Teapot asterism, near the lid.
Observing Tips
Albaldah lies near the top of the Sagittarius Teapot, between the lid and the handle. It is a warm white star in the rich Milky Way star clouds. Best observed July through September when Sagittarius is at its highest.
History
The name Albaldah comes from the Arabic 'al-balda,' meaning 'the town' or 'the district,' referring to an asterism in Arabic tradition. It lies near the densest part of the Milky Way visible from northern latitudes.
Fun Facts
The region around Albaldah is one of the densest areas of the Milky Way visible to the naked eye. Binoculars reveal an astonishing wealth of star clouds, clusters, and nebulae in every direction from this star.
Observe
1Physical Properties
2Position & Identifiers
3How easy to spot?
| Equipment | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| Naked eye Naked eye | Easy | Easy | Easy |
| 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
Set a location in User Settings to see visibility data.
5Multiple Star System Triple
Separation over time
Essentially fixed on human timescales — the same view your grandchildren will see.
Measured from the WDS observational archive. No orbital solution has been derived — most likely the period is too long to fit an orbit to the available measurement arc.
Explore
7
Size Comparison
8
Compare Stars
9
Spectral Classification
10
Hertzsprung-Russell Diagram
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
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.
Explore Nightbase
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