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All Constellations » Perseus » 

Miram - η Persei (eta Persei)

Above the horizon.  Circumpolar today
Alt: 65.17°   Az: 62.95°   Direction: East-North-East

Miram, also designated as η Persei (eta Persei), is a multiple supergiant star of spectral class K3 in the constellation of Perseus.

Miram visual magnitude is 3.76. Because of its moderate brightness, Miram is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of Miram - η Persei (eta Persei) star
DSS2 image of Miram. The red arrow shows the motion of Miram during the next 10000 years (2.83 arcmin in Right Ascension and -2.33 arcmin in declination);

Celestial Coordinates

Apparent

02h 52m 31s
+55° 59’ 46”
21h 12m 07s
00h 04m 38s

J2000

02h 50m 41s
+55° 53’ 44”

Galactic Coordinates

139.14°
-3.18°

Finder Chart

Finder chart Miram - η Persei (eta Persei) star
Simplified finder chart for Miram - η Persei (eta Persei).

Magnitude, Color, Spectral Class

3.76
Supergiant

-4.29
K3I
3541K

The red dot in the diagram below shows where Miram is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of Miram. Attribution: Richard Powell / CC BY-SA

Star System Properties

Miram is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the Miram double sysyem:

3.76
8.46
4.7
28.3 arcsec

Distance, Radial Speed, Proper Motion

Miram is distant 1,330.61 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

408.16
1,330.61
-1 km/s
0.017 arcsec/y
-0.014"/y

Alternative Designations

Miram
η Persei
(eta Persei)
SAO23655
SAO23655

Visibility from Your Location

Miram - η Persei (eta Persei) is circumpolar and transits at 03:10 UTC (altitude: 85.5°)