HR1039

Altitude: 18.5° Azimuth: 92.6° Direction: East

HR1039 is a hypergiant star in the constellation of Taurus.

HR1039 visual magnitude is 6.28. Because of its reltive faintness, HR1039 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 HR1039:

Color of HR1039 ⬤

Magnitude of HR1039 6.28

Class Hypergiant

VISIBILITY RIGHT NOW

HR1039 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 18.5°
Azimuth: 92.6°
Direction: East

Celestial coordinates and finder chart of HR1039

HR1039 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 HR1039 are provided in the following table:

Right Ascension J2000 03h 27m 18s

Declination J2000 +12° 44’ 05”

Galactic Longitude 171.47°

Galactic Latitude -35.06°

Constellation Taurus

The simplified sky map below shows the position of HR1039 in the sky:

Simplified finder chart for HR1039.

Visibility of HR1039 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 HR1039 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: 77.3° RISE 15:21

Max altitude: 51.3° TRANSIT 22:25

Azimuth: 282.7° SET 5:33

Digitized Sky Survey image of HR1039

The image below is a photograph of HR1039 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 HR1039 is 0.007 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1039. The red arrow shows the motion of HR1039 during the next 10000 years (1.17 arcmin in Right Ascension and -3.17 arcmin in declination);

Distance of HR1039 from the Sun and relative movement

HR1039 is distant 340.29 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 104.38 pc

Distance (light year) 340.29 ly

Heliocentric radial velocity 15 km/s

Proper Motion RA 0.007 arcsec/year

Proper Motion Dec -0.019 arcsec/year

Spectral properties of HR1039

HR1039 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 1.19

Spectral Type A0V

Color Index (B-V) -0.02

Temperature of HR1039 10382K

The red dot in the diagram below shows where HR1039 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1039. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1039

Henry Draper Catalogue HD21379

SAO Catalogue SAO93439

Hipparcos Catalogue HIP16095

Durchmusterung Catalogue BD+12 477

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In Evidence

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