Star profile
44 Boötis
Variable starWhat is 44 Boötis
44 Boötis is a close neighbour by stellar standards — barely forty light-years away, a distance its light covers in roughly the span of a human career. G-type, Sun-like but variable, it flickers softly beside the Herdsman. Its magnitude of 4.83 wavers enough that astronomers have been charting its pulse for over a century.
Where it is and when to see it
44 Boötis lies in the northern celestial hemisphere. It is visible to the naked eye under a dark sky. Its best month of the year is April, when it culminates around midnight.
- From London it never sets and culminates about 86° up.
- From New York it culminates about 83° above the horizon.
- From Sydney it culminates about 8° above the horizon.
It can be seen from anywhere north of 42° S.
It ranks no. 25 in brightness among the 88 stars of Boötes in our catalogue. To find it, start from Arcturus, the brightest: it lies about 30° away (a fist at arm's length covers about 10°).
The light you see today left it about 41 years ago.
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Astronomical data for 44 Boötis
- Constellation
- Boötes
- Apparent magnitude
- 4.83
- Distance
- 40.8 light years
- Coordinates (J2000)
- RA 225.948° · Dec 47.654°
- Catalogue
- HIP 73695 · HD 133640
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Other stars in Boötes
Boötes has 88 stars in Stelvia's catalogue. Here are a few of them.
- ArcturusAlpha Boötis-0.05
- IzarEpsilon Boötis2.35
- MuphridEta Boötis2.68
- 34 Boötis4.80
- Omega Boötis4.80
- 12 Boötis4.82
- 20 Boötis4.84
- HIP 703274.86