HR2207

HR2207 is a main-sequence star in the constellation of Orion.

HR2207 visual magnitude is 6.58. Because of its reltive faintness, HR2207 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 HR2207:

Color of HR2207 ⬤

Magnitude of HR2207 6.58

Class Main-sequence

VISIBILITY RIGHT NOW HR2207 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2207

HR2207 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 HR2207 are provided in the following table:

Right Ascension J2000 06h 13m 33s

Declination J2000 +18° 40’ 49”

Galactic Longitude 192.07°

Galactic Latitude 0.42°

Constellation Orion

The simplified sky map below shows the position of HR2207 in the sky:

Simplified finder chart for HR2207.

Visibility of HR2207 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 HR2207 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: 71.3° RISE 6:56

Max altitude: 57.2° TRANSIT 14:34

Azimuth: 288.7° SET 22:12

RIGHT NOW HR2207 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2207

The image below is a photograph of HR2207 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 HR2207 is 0.023 arcsec per year in Right Ascension and -0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2207. The red arrow shows the motion of HR2207 during the next 10000 years (3.83 arcmin in Right Ascension and -2.83 arcmin in declination);

Distance of HR2207 from the Sun and relative movement

HR2207 is distant 918.31 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

Distance (parsec) 281.69 pc

Distance (light year) 918.31 ly

Heliocentric radial velocity 20 km/s

Proper Motion RA 0.023 arcsec/year

Proper Motion Dec -0.017 arcsec/year

Spectral properties of HR2207

HR2207 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -0.67

Spectral Type B8V

Color Index (B-V) -0.08

Temperature of HR2207 11247K

The red dot in the diagram below shows where HR2207 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2207. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2207

Henry Draper Catalogue HD42784

SAO Catalogue SAO95397

Hipparcos Catalogue HIP29545

Durchmusterung Catalogue BD+18 1129

In Evidence

Other stars in Orion