20 Monocerotis

Below the horizon. Rise: 9:57 | Tran: 15:34 | Set: 21:10

Alt: -42.23° Az: 348.11° Direction: North-North-West

20 Monocerotis is a multiple hypergiant star of spectral class K0 in the constellation of Monoceros.

20 Monocerotis visual magnitude is 4.92. Because of its moderate brightness, 20 Monocerotis 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 20 Monocerotis. The red arrow shows the motion of 20 Monocerotis during the next 1000 years (0.00 arcmin in Right Ascension and 3.58 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 07h 11m 29s

Declination -04° 16’ 48”

Hour Angle 11h 24m 47s

Sidereal Time 18h 36m 17s

J2000

Right Ascension 07h 10m 13s

Declination -04° 14’ 13”

Galactic Coordinates

Galactic Longitude 218.85°

Galactic Latitude 2.23°

Finder Chart

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Finder chart for 20 Monocerotis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.92

Class Hypergiant

Absolute magnitude 0.86

Spectral Type K0III

Color Index (B-V) 1.03

Temperature 4672K

The red dot in the diagram below shows where 20 Monocerotis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 20 Monocerotis. Attribution: Richard Powell / CC BY-SA

Star System Properties

20 Monocerotis 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 20 Monocerotis double sysyem:

Main star magnitude 4.92

Secondary star magnitude 9.82

Magnitude difference 4.9

Separation 186.2 arcsec

Distance, Radial Speed, Proper Motion

20 Monocerotis is distant 211.00 light years from the Sun and it is moving far from the Sun at the speed of 79 kilometers per second.

Distance (parsec) 64.72

Distance (light year) 211.00

Radial Speed 79 km/s

Proper Motion Dec 0.215"/y

Alternative Designations

Flamsteed designation 20 Monocerotis

Henry Draper Catalogue HD54810

SAO Catalogue SAO134282

Hipparcos Catalogue HIP34622

Durchmusterung Catalogue BD-04 1840

FK5 Catalogue 1186

Visibility from Your Location

Today's 20 Monocerotis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.3° RISE 9:57

Max altitude: 34.2° TRANSIT 15:34

Azimuth: 265.7° SET 21:10

Set Location

Other stars in Monoceros