White main-sequence star · Aquarius

Bunda

Also known as: ξ Aquarii (ξ Aqr), HIP 106786

mag 4.7180 light-years

About

Bunda (ξ Aquarii) is a white main-sequence star of magnitude 4.7 in Aquarius, about 180 light-years away.

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How to find it

  • Bunda is in the constellation Aquarius.
  • Best evenings: around late September it is highest at about 9 pm (10 pm in summer time); a month earlier, two hours later.
  • Where on Earth: it is seen well, at least 10° up, from south of 72° N.

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When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.

What you will see

  • EyesNeeds a dark sky away from city lights.
  • Binoculars (10×50)A sharp point; binoculars bring out its colour and the fainter stars around it.
  • Telescope (6–8 inch)Still a point of light at any magnification — stars are too far away to show a disc. Low in the sky, bright stars twinkle and flash colours.

Stars look the same in any instrument: brighter and sharper, but never bigger.

Facts

Proper nameBunda
Designationξ Aquarii (ξ Aqr)
Hipparcos numberHIP 106786
TypeWhite main-sequence star
Spectral typeA7V
ColourYellowish whiteB−V colour index 0.17
Magnitude4.7The smaller the number, the brighter.
Distance180 light-yearsThe light you see left it around 1850.
Proper motion0.12″ per year across the sky
ConstellationAquarius
Right ascension (J2000)21h 37m 45.1s
Declination (J2000)−07° 51′ 15″

More in Aquarius

Sources and credits

Star data: HYG Database by David Nash, CC BY-SA 4.0. All data sources →