HR1011

Altitude: 47.6° Azimuth: 295.3° Direction: West-North-West

HR1011 is a main-sequence star in the constellation of Perseus.

HR1011 visual magnitude is 5.29. Because of its reltive faintness, HR1011 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 HR1011:

Color of HR1011 ⬤

Magnitude of HR1011 5.29

Class Main-sequence

VISIBILITY RIGHT NOW

HR1011 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 47.6°
Azimuth: 295.3°
Direction: West-North-West

Celestial coordinates and finder chart of HR1011

HR1011 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1011 are provided in the following table:

Right Ascension J2000 03h 23m 13s

Declination J2000 +49° 12’ 47”

Galactic Longitude 146.78°

Galactic Latitude -6.5°

Constellation Perseus

The simplified sky map below shows the position of HR1011 in the sky:

Simplified finder chart for HR1011.

Visibility of HR1011 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR1011 is circumpolar and transits at 22:45 UTC (altitude: 87.7°)

Digitized Sky Survey image of HR1011

The image below is a photograph of HR1011 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 HR1011 is 0.022 arcsec per year in Right Ascension and -0.02 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1011. The red arrow shows the motion of HR1011 during the next 10000 years (3.67 arcmin in Right Ascension and -3.33 arcmin in declination);

Distance of HR1011 from the Sun and relative movement

HR1011 is distant 624.52 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 191.57 pc

Distance (light year) 624.52 ly

Heliocentric radial velocity 4 km/s

Proper Motion RA 0.022 arcsec/year

Proper Motion Dec -0.02 arcsec/year

Spectral properties of HR1011

HR1011 belongs to spectral class B5 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -1.12

Spectral Type B5V

Color Index (B-V) -0.07

Temperature of HR1011 11092K

The red dot in the diagram below shows where HR1011 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1011. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1011

Henry Draper Catalogue HD20809

SAO Catalogue SAO38768

Hipparcos Catalogue HIP15770

Durchmusterung Catalogue BD+48 899

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In Evidence

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