HR1507

Altitude: 6.7° Azimuth: 279.5° Direction: West

HR1507 is a variable and multiple hypergiant star in the constellation of Orion.

HR1507 visual magnitude is 5.4. Because of its reltive faintness, HR1507 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 HR1507:

Color of HR1507 ⬤

Magnitude of HR1507 5.4

Class Hypergiant

VISIBILITY RIGHT NOW

HR1507 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 6.7°
Azimuth: 279.5°
Direction: West

Celestial coordinates and finder chart of HR1507

HR1507 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 HR1507 are provided in the following table:

Right Ascension J2000 04h 44m 25s

Declination J2000 +11° 08’ 45”

Galactic Longitude 186.9°

Galactic Latitude -21.8°

Constellation Orion

The simplified sky map below shows the position of HR1507 in the sky:

Simplified finder chart for HR1507.

Visibility of HR1507 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 HR1507 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: 78.9° RISE 22:42

Max altitude: 49.7° TRANSIT 5:41

Azimuth: 281.1° SET 12:36

Digitized Sky Survey image of HR1507

The image below is a photograph of HR1507 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 HR1507 is 0.1 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR1507. The red arrow shows the motion of HR1507 during the next 1000 years (1.67 arcmin in Right Ascension and -0.25 arcmin in declination);

Distance of HR1507 from the Sun and relative movement

HR1507 is distant 157.26 light years from the Sun and it is moving far from the Sun at the speed of 40 kilometers per second.

Distance (parsec) 48.24 pc

Distance (light year) 157.26 ly

Heliocentric radial velocity 40 km/s

Proper Motion RA 0.1 arcsec/year

Proper Motion Dec -0.015 arcsec/year

Spectral properties of HR1507

HR1507 belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.

Absolute magnitude 1.98

Spectral Type F0V

Color Index (B-V) 0.25

Temperature of HR1507 7795K

The red dot in the diagram below shows where HR1507 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1507. Attribution: Richard Powell / CC BY-SA

HR1507 star system properties

HR1507 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR1507 double sysyem:

Main star magnitude 5.4

Secondary star magnitude 11.2

Magnitude difference 5.8

Separation 74.7 arcsec

Alternative designations of HR1507

Henry Draper Catalogue HD30034

SAO Catalogue SAO94095

Hipparcos Catalogue HIP22044

Durchmusterung Catalogue BD+10 621

General Catalogue of Variable Stars 1705

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In Evidence

Other stars in Orion