HR2258

HR2258 is a variable giant star in the constellation of Orion.

HR2258 visual magnitude is 6.32. Because of its reltive faintness, HR2258 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 HR2258:

Color of HR2258 ⬤

Magnitude of HR2258 6.32

Class Giant

VISIBILITY RIGHT NOW HR2258 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Celestial coordinates and finder chart of HR2258

HR2258 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 HR2258 are provided in the following table:

Right Ascension J2000 06h 19m 01s

Declination J2000 +17° 19’ 29”

Galactic Longitude 193.88°

Galactic Latitude 0.92°

Constellation Orion

The simplified sky map below shows the position of HR2258 in the sky:

Simplified finder chart for HR2258.

Visibility of HR2258 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 HR2258 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: 72.7° RISE 7:10

Max altitude: 55.8° TRANSIT 14:39

Azimuth: 287.3° SET 22:09

RIGHT NOW HR2258 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR2258

The image below is a photograph of HR2258 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 HR2258 is -0.009 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR2258. The red arrow shows the motion of HR2258 during the next 100000 years (-15.00 arcmin in Right Ascension and -15.00 arcmin in declination);

Distance of HR2258 from the Sun and relative movement

HR2258 is distant 630.56 light years from the Sun

Distance (parsec) 193.42 pc

Distance (light year) 630.56 ly

Proper Motion RA -0.009 arcsec/year

Proper Motion Dec -0.009 arcsec/year

Spectral properties of HR2258

HR2258 belongs to spectral class B9 and has a luminosity class of III corresponding to a giant star. HR2258 is also a SiCr chemically peculiar star.

Absolute magnitude -0.11

Spectral Type B9III

Color Index (B-V) -0.07

Temperature of HR2258 11092K

The red dot in the diagram below shows where HR2258 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2258. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2258

Henry Draper Catalogue HD43819

SAO Catalogue SAO95519

Hipparcos Catalogue HIP30019

Durchmusterung Catalogue BD+17 1203

General Catalogue of Variable Stars V1155 Ori

In Evidence

Other stars in Orion