Star profile

47 Boötis

3D likeness based on its real data · class A · ~8,500 K

What is 47 Boötis

47 Boötis shines white about 274 light-years away, within the Herdsman, that figure who seems to drive the Bears around the pole. It is a type-A star, hotter and more luminous than the Sun, with the characteristic paleness of its class. Its light broke free in the first half of the eighteenth century, when the great Rococo mansions of Europe were still being raised.

Where it is and when to see it

47 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 87° 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. 53 in brightness among the 88 stars of Boötes in our catalogue. To find it, start from Arcturus, the brightest: it lies about 31° away (a fist at arm's length covers about 10°).

The light you see today left it about 270 years ago.

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Astronomical data for 47 Boötis

Constellation: Boötes
Apparent magnitude: 5.59
Distance: 274.3 light years
Coordinates (J2000): RA 226.358° · Dec 48.151°
Catalogue: HIP 73841 · HD 133962

A symbolic commemorative gift: neither the signature nor the chosen name implies ownership of the star or recognition by the IAU.

Other stars in Boötes

Boötes has 88 stars in Stelvia's catalogue. Here are a few of them.

See all 88 stars in Boötes