HR1591

Altitude: 28.7° Azimuth: 223.9° Direction: South-West

HR1591 is a star in the constellation of Orion.

HR1591 visual magnitude is 6.23. Because of its reltive faintness, HR1591 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 HR1591:

Color of HR1591 ⬤

Magnitude of HR1591 6.23

Class

VISIBILITY RIGHT NOW

HR1591 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 28.7°
Azimuth: 223.9°
Direction: South-West

Celestial coordinates and finder chart of HR1591

HR1591 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 HR1591 are provided in the following table:

Right Ascension J2000 04h 57m 17s

Declination J2000 -01° 04’ 01”

Galactic Longitude 200.03°

Galactic Latitude -25.7°

Constellation Orion

The simplified sky map below shows the position of HR1591 in the sky:

Simplified finder chart for HR1591.

Visibility of HR1591 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 HR1591 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: 91.1° RISE 18:22

Max altitude: 37.5° TRANSIT 0:18

Azimuth: 268.9° SET 6:11

Digitized Sky Survey image of HR1591

The image below is a photograph of HR1591 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 HR1591 is -0.037 arcsec per year in Right Ascension and -0.028 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1591. The red arrow shows the motion of HR1591 during the next 10000 years (-6.17 arcmin in Right Ascension and -4.67 arcmin in declination);

Distance of HR1591 from the Sun and relative movement

HR1591 is distant 273.72 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 83.96 pc

Distance (light year) 273.72 ly

Heliocentric radial velocity 9 km/s

Proper Motion RA -0.037 arcsec/year

Proper Motion Dec -0.028 arcsec/year

Spectral properties of HR1591

HR1591 belongs to spectral class F2

Absolute magnitude 1.61

Spectral Type F2

Color Index (B-V) 0.42

Temperature of HR1591 6776K

The red dot in the diagram below shows where HR1591 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1591. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1591

Henry Draper Catalogue HD31623

SAO Catalogue SAO131625

Hipparcos Catalogue HIP23041

Durchmusterung Catalogue BD-01 762

FK5 Catalogue 2373

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In Evidence

Other stars in Orion