HR2308

Altitude: 29.7° Azimuth: 104.3° Direction: East-South-East

HR2308 is a variable bright giant star in the constellation of Orion.

HR2308 visual magnitude is 6.24. Because of its reltive faintness, HR2308 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 HR2308:

Color of HR2308 ⬤

Magnitude of HR2308 6.24

Class Bright giant

VISIBILITY RIGHT NOW

HR2308 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 29.7°
Azimuth: 104.3°
Direction: East-South-East

Celestial coordinates and finder chart of HR2308

HR2308 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 HR2308 are provided in the following table:

Right Ascension J2000 06h 25m 28s

Declination J2000 +14° 43’ 18”

Galactic Longitude 196.91°

Galactic Latitude 1.06°

Constellation Orion

The simplified sky map below shows the position of HR2308 in the sky:

Simplified finder chart for HR2308.

Visibility of HR2308 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 HR2308 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: 75.3° RISE 18:20

Max altitude: 53.2° TRANSIT 1:38

Azimuth: 284.7° SET 8:53

Digitized Sky Survey image of HR2308

The image below is a photograph of HR2308 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 HR2308 is -0.014 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR2308. The red arrow shows the motion of HR2308 during the next 10000 years (-2.33 arcmin in Right Ascension and -0.33 arcmin in declination);

Distance of HR2308 from the Sun and relative movement

HR2308 is distant 1,298.80 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Distance (parsec) 398.41 pc

Distance (light year) 1,298.80 ly

Heliocentric radial velocity 13 km/s

Proper Motion RA -0.014 arcsec/year

Proper Motion Dec -0.002 arcsec/year

Spectral properties of HR2308

HR2308 belongs to spectral class C5 and has a luminosity class of II corresponding to a bright giant star.

Absolute magnitude -1.76

Spectral Type C5II

Color Index (B-V) 2.34

Temperature of HR2308 2853K

The red dot in the diagram below shows where HR2308 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR2308. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2308

Henry Draper Catalogue HD44984

SAO Catalogue SAO95659

Hipparcos Catalogue HIP30564

Durchmusterung Catalogue BD+14 1283

General Catalogue of Variable Stars BL Ori

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In Evidence

Other stars in Orion