1 Monocerotis

Altitude: -16.0° Azimuth: 85.0° Direction: East

1 Monocerotis is a variable sub-giant star in the constellation of Monoceros.

1 Monocerotis visual magnitude is 6.12. Because of its reltive faintness, 1 Monocerotis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 1 Monocerotis:

Color of 1 Monocerotis ⬤

Magnitude of 1 Monocerotis 6.12

Class Sub-giant

VISIBILITY RIGHT NOW

1 Monocerotis is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -16.0°
Azimuth: 85.0°
Direction: East

Celestial coordinates and finder chart of 1 Monocerotis

1 Monocerotis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 1 Monocerotis are provided in the following table:

Right Ascension J2000 05h 59m 00s

Declination J2000 -09° 22’ 55”

Galactic Longitude 215.5°

Galactic Latitude -15.87°

Constellation Monoceros

The simplified sky map below shows the position of 1 Monocerotis in the sky:

Simplified finder chart for 1 Monocerotis.

Visibility of 1 Monocerotis from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 1 Monocerotis rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 99.4° RISE 20:13

Max altitude: 29.1° TRANSIT 1:28

Azimuth: 260.6° SET 6:38

Digitized Sky Survey image of 1 Monocerotis

The image below is a photograph of 1 Monocerotis from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 1 Monocerotis is 0.014 arcsec per year in Right Ascension and 0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of 1 Monocerotis. The red arrow shows the motion of 1 Monocerotis during the next 10000 years (2.33 arcmin in Right Ascension and 2.00 arcmin in declination);

Distance of 1 Monocerotis from the Sun and relative movement

1 Monocerotis is distant 315.89 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

Distance (parsec) 96.90 pc

Distance (light year) 315.89 ly

Heliocentric radial velocity 12 km/s

Proper Motion RA 0.014 arcsec/year

Proper Motion Dec 0.012 arcsec/year

Spectral properties of 1 Monocerotis

1 Monocerotis belongs to spectral class F2 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 1.19

Spectral Type F2IV

Color Index (B-V) 0.29

Temperature of 1 Monocerotis 7526K

The red dot in the diagram below shows where 1 Monocerotis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 1 Monocerotis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 1 Monocerotis

Flamsteed designation 1 Monocerotis

Henry Draper Catalogue HD40535

SAO Catalogue SAO132714

Hipparcos Catalogue HIP28321

Durchmusterung Catalogue BD-09 1284

General Catalogue of Variable Stars V474 Mon

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