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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:52 
Transit: 13:04 
Sunset: 21:16
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All Constellations » Monoceros » 

δ Monocerotis (delta Monocerotis)

Above the horizon.  Rise: 7:18 | Tran: 13:14 | Set: 19:09
Alt: 3.81°   Az: 95.67°   Direction: East

δ Monocerotis is a double main-sequence star of spectral class A2 in the constellation of Monoceros.

δ Monocerotis visual magnitude is 4.15. Because of its moderate brightness, δ 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.

Image of δ Monocerotis (delta Monocerotis) star
DSS2 image of δ Monocerotis. The red arrow shows the motion of δ Monocerotis during the next 100000 years (-1.67 arcmin in Right Ascension and 8.33 arcmin in declination);

Celestial Coordinates

Apparent

07h 13m 10s
-00° 32’ 13”
18h 27m 14s
01h 40m 24s

J2000

07h 11m 51s
-00° 29’ 34”

Galactic Coordinates

215.7°
4.32°

Finder Chart

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Finder chart for δ Monocerotis (delta Monocerotis).

Magnitude, Color, Spectral Class

4.15
Main-sequence

-1.15
A2V
10252K

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

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

Star System Properties

δ Monocerotis 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 δ Monocerotis double sysyem:

4.15
13.35
9.2
32 arcsec

Distance, Radial Speed, Proper Motion

δ Monocerotis is distant 374.71 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

114.94
374.71
15 km/s
-0.001 arcsec/y
0.005"/y

Alternative Designations

δ Monocerotis
(delta Monocerotis)
22 Monocerotis
SAO134330
SAO134330

Visibility from Your Location

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

Azimuth: 90.5°
Max altitude: 38.0°
Azimuth: 269.5°