Yellow subgiant · Boötes

Muphrid

Also known as: η Boötis (η Boo), HIP 67927

mag 2.737 light-years

About

Muphrid (η Boötis) is a yellow subgiant of magnitude 2.7 in Boötes, about 37 light-years away.

Muphrid is in the constellation Boötes.
Best evenings: around early June 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 north of 62° S.

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.

EyesEasy, even from town.
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.

Proper name	Muphrid
Designation	η Boötis (η Boo)
Hipparcos number	HIP 67927
Type	Yellow subgiant
Spectral type	G0IV
Colour	YellowB−V colour index 0.58
Magnitude	2.7The smaller the number, the brighter.
Distance	37 light-yearsThe light you see left it around 1989.
Proper motion	0.36″ per year across the sky
Constellation	Boötes
Right ascension (J2000)	13h 54m 41.1s
Declination (J2000)	+18° 23′ 52″

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