HR1571

HR1571 is a variable giant star in the constellation of Orion.

HR1571 visual magnitude is 5.33. Because of its reltive faintness, HR1571 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 HR1571:

Color of HR1571 ⬤

Magnitude of HR1571 5.33

Class Giant

VISIBILITY RIGHT NOW HR1571 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 46°.

Celestial coordinates and finder chart of HR1571

HR1571 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 HR1571 are provided in the following table:

Right Ascension J2000 04h 54m 47s

Declination J2000 +07° 46’ 45”

Galactic Longitude 191.44°

Galactic Latitude -21.59°

Constellation Orion

The simplified sky map below shows the position of HR1571 in the sky:

Simplified finder chart for HR1571.

Visibility of HR1571 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 HR1571 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: 82.2° RISE 6:34

Max altitude: 46.3° TRANSIT 13:11

Azimuth: 277.8° SET 19:49

RIGHT NOW HR1571 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1571

The image below is a photograph of HR1571 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 HR1571 is -0.021 arcsec per year in Right Ascension and -0.027 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1571. The red arrow shows the motion of HR1571 during the next 10000 years (-3.50 arcmin in Right Ascension and -4.50 arcmin in declination);

Distance of HR1571 from the Sun and relative movement

HR1571 is distant 441.14 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

Distance (parsec) 135.32 pc

Distance (light year) 441.14 ly

Heliocentric radial velocity -5 km/s

Proper Motion RA -0.021 arcsec/year

Proper Motion Dec -0.027 arcsec/year

Spectral properties of HR1571

HR1571 belongs to spectral class K1

Absolute magnitude -0.33

Spectral Type K1

Color Index (B-V) 1.22

Temperature of HR1571 4270K

The red dot in the diagram below shows where HR1571 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1571. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1571

Henry Draper Catalogue HD31296

SAO Catalogue SAO112203

Hipparcos Catalogue HIP22834

Durchmusterung Catalogue BD+07 755

FK5 Catalogue 2369

General Catalogue of Variable Stars 1763

In Evidence

Other stars in Orion