HR128

HR128 is a main-sequence star in the constellation of Andromeda.

HR128 visual magnitude is 6.7. Because of its reltive faintness, HR128 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 HR128:

Color of HR128 ⬤

Magnitude of HR128 6.7

Class Main-sequence

VISIBILITY RIGHT NOW HR128 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 14°.

Celestial coordinates and finder chart of HR128

HR128 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 HR128 are provided in the following table:

Right Ascension J2000 00h 32m 26s

Declination J2000 +43° 29’ 40”

Galactic Longitude 119.29°

Galactic Latitude -19.24°

Constellation Andromeda

The simplified sky map below shows the position of HR128 in the sky:

Simplified finder chart for HR128.

Visibility of HR128 from your location

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

HR128 is circumpolar and transits at 12:01 UTC (altitude: 82.0°)

Digitized Sky Survey image of HR128

The image below is a photograph of HR128 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 HR128 is 0.018 arcsec per year in Right Ascension and -0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR128. The red arrow shows the motion of HR128 during the next 10000 years (3.00 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR128 from the Sun and relative movement

HR128 is distant 657.26 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.

Distance (parsec) 201.61 pc

Distance (light year) 657.26 ly

Heliocentric radial velocity -15 km/s

Proper Motion RA 0.018 arcsec/year

Proper Motion Dec -0.01 arcsec/year

Spectral properties of HR128

HR128 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 0.18

Spectral Type A1V

Color Index (B-V) -0.01

Temperature of HR128 10252K

The red dot in the diagram below shows where HR128 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR128. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR128

Henry Draper Catalogue HD2888

SAO Catalogue SAO36453

Hipparcos Catalogue HIP2553

Durchmusterung Catalogue BD+42 99

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In Evidence

Other stars in Andromeda