λ Muscae (lambda Muscae)

Below the horizon. Never rises today

Alt: -36.42° Az: 155.25° Direction: South-South-East

λ Muscae is a double giant star of spectral class A7 in the constellation of Musca.

λ Muscae visual magnitude is 3.64. Because of its moderate brightness, λ Muscae 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.

DSS2 image of λ Muscae. The red arrow shows the motion of λ Muscae during the next 1000 years (-1.72 arcmin in Right Ascension and 0.62 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 46m 48s

Declination -66° 52’ 01”

Hour Angle 20h 03m 48s

Sidereal Time 07h 50m 36s

J2000

Right Ascension 11h 45m 36s

Declination -66° 43’ 42”

Galactic Coordinates

Galactic Longitude 296.49°

Galactic Latitude -4.68°

Finder Chart

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Finder chart for λ Muscae (lambda Muscae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.64

Class Giant

Absolute magnitude 0.67

Spectral Type A7III

Color Index (B-V) 0.16

Temperature 8486K

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

H-R diagram showing the position of λ Muscae. Attribution: Richard Powell / CC BY-SA

Star System Properties

λ Muscae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the λ Muscae double sysyem:

Main star magnitude 3.64

Secondary star magnitude 12.64

Magnitude difference 9

Separation 40.6 arcsec

Distance, Radial Speed, Proper Motion

λ Muscae is distant 128.25 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 39.34

Distance (light year) 128.25

Radial Speed 16 km/s

Proper Motion RA -0.103 arcsec/y

Proper Motion Dec 0.037"/y

Alternative Designations

Bayer designation λ Muscae
(lambda Muscae)

Henry Draper Catalogue HD102249

SAO Catalogue SAO251575

Hipparcos Catalogue HIP57363

Durchmusterung Catalogue CP-66 1640

FK5 Catalogue 442

Visibility from Your Location

λ Muscae (lambda Muscae) is currently not visible from Greenwich, UK

Set Location

Other stars in Musca