HR446

Altitude: 70.2° Azimuth: 128.2° Direction: South-East

HR446 is a variable sub-giant star in the constellation of Andromeda.

HR446 visual magnitude is 5.88. Because of its reltive faintness, HR446 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 HR446:

Color of HR446 ⬤

Magnitude of HR446 5.88

Class Sub-giant

VISIBILITY RIGHT NOW

HR446 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 70.2°
Azimuth: 128.2°
Direction: South-East

Celestial coordinates and finder chart of HR446

HR446 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 HR446 are provided in the following table:

Right Ascension J2000 01h 34m 16s

Declination J2000 +37° 14’ 13”

Galactic Longitude 132.32°

Galactic Latitude -24.85°

Constellation Andromeda

The simplified sky map below shows the position of HR446 in the sky:

Simplified finder chart for HR446.

Visibility of HR446 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 HR446 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: 52.8° RISE 9:49

Max altitude: 75.8° TRANSIT 20:36

Azimuth: 307.2° SET 7:27

Digitized Sky Survey image of HR446

The image below is a photograph of HR446 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 HR446 is 0.009 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR446. The red arrow shows the motion of HR446 during the next 10000 years (1.50 arcmin in Right Ascension and -2.50 arcmin in declination);

Distance of HR446 from the Sun and relative movement

HR446 is distant 391.83 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 120.19 pc

Distance (light year) 391.83 ly

Heliocentric radial velocity -4 km/s

Proper Motion RA 0.009 arcsec/year

Proper Motion Dec -0.015 arcsec/year

Spectral properties of HR446

HR446 belongs to spectral class B9 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude 0.48

Spectral Type B9IV

Color Index (B-V) -0.07

Temperature of HR446 11092K

The red dot in the diagram below shows where HR446 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR446. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR446

Henry Draper Catalogue HD9531

SAO Catalogue SAO54788

Hipparcos Catalogue HIP7321

Durchmusterung Catalogue BD+36 277

General Catalogue of Variable Stars KK And

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