HR1442

Altitude: 56.5° Azimuth: 174.8° Direction: South

HR1442 is a double sub-giant star in the constellation of Taurus.

HR1442 visual magnitude is 6.25. Because of its reltive faintness, HR1442 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 HR1442:

Color of HR1442 ⬤

Magnitude of HR1442 6.25

Class Sub-giant

VISIBILITY RIGHT NOW

HR1442 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 56.5°
Azimuth: 174.8°
Direction: South

Celestial coordinates and finder chart of HR1442

HR1442 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 HR1442 are provided in the following table:

Right Ascension J2000 04h 33m 32s

Declination J2000 +18° 01’ 00”

Galactic Longitude 179.34°

Galactic Latitude -19.76°

Constellation Taurus

The simplified sky map below shows the position of HR1442 in the sky:

Simplified finder chart for HR1442.

Visibility of HR1442 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 HR1442 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: 72.0° RISE 16:09

Max altitude: 56.5° TRANSIT 23:43

Azimuth: 288.0° SET 7:21

Digitized Sky Survey image of HR1442

The image below is a photograph of HR1442 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 HR1442 is 0.011 arcsec per year in Right Ascension and -0.024 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR1442. The red arrow shows the motion of HR1442 during the next 10000 years (1.83 arcmin in Right Ascension and -4.00 arcmin in declination);

Distance of HR1442 from the Sun and relative movement

HR1442 is distant 422.83 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

Distance (parsec) 129.70 pc

Distance (light year) 422.83 ly

Heliocentric radial velocity 15 km/s

Proper Motion RA 0.011 arcsec/year

Proper Motion Dec -0.024 arcsec/year

Spectral properties of HR1442

HR1442 belongs to spectral class B9 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 0.69

Spectral Type B9IV

Color Index (B-V) 0.07

Temperature of HR1442 9328K

The red dot in the diagram below shows where HR1442 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR1442. Attribution: Richard Powell / CC BY-SA

HR1442 star system properties

HR1442 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 HR1442 double sysyem:

Main star magnitude 6.25

Secondary star magnitude 6.35

Magnitude difference 0.1

Separation 3.1 arcsec

Alternative designations of HR1442

Henry Draper Catalogue HD28867

SAO Catalogue SAO94002

Hipparcos Catalogue HIP21251

Durchmusterung Catalogue BD+17 750

Aitken Double Star Catalogue ADS3297

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