HR6128

HR6128 is a variable giant star in the constellation of Ophiuchus.

HR6128 visual magnitude is 5.23. Because of its reltive faintness, HR6128 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 HR6128:

Color of HR6128 ⬤

Magnitude of HR6128 5.23

Class Giant

VISIBILITY RIGHT NOW HR6128 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6128

HR6128 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 HR6128 are provided in the following table:

Right Ascension J2000 16h 27m 43s

Declination J2000 -07° 35’ 53”

Galactic Longitude 7.43°

Galactic Latitude 27.22°

Constellation Ophiuchus

The simplified sky map below shows the position of HR6128 in the sky:

Simplified finder chart for HR6128.

Visibility of HR6128 from your location

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

Today's HR6128 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 97.6° RISE 23:42

Max altitude: 30.9° TRANSIT 5:06

Azimuth: 262.4° SET 10:26

RIGHT NOW HR6128 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6128

The image below is a photograph of HR6128 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 HR6128 is 0.014 arcsec per year in Right Ascension and -0.155 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR6128. The red arrow shows the motion of HR6128 during the next 1000 years (0.23 arcmin in Right Ascension and -2.58 arcmin in declination);

Distance of HR6128 from the Sun and relative movement

HR6128 is distant 507.00 light years from the Sun and it is moving far from the Sun at the speed of 99 kilometers per second.

Distance (parsec) 155.52 pc

Distance (light year) 507.00 ly

Heliocentric radial velocity 99 km/s

Proper Motion RA 0.014 arcsec/year

Proper Motion Dec -0.155 arcsec/year

Spectral properties of HR6128

HR6128 belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.73

Spectral Type M3III

Color Index (B-V) 1.72

Temperature of HR6128 3490K

The red dot in the diagram below shows where HR6128 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6128. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6128

Henry Draper Catalogue HD148349

SAO Catalogue SAO141186

Hipparcos Catalogue HIP80620

Durchmusterung Catalogue BD-07 4292

General Catalogue of Variable Stars V2105 Oph

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In Evidence

Other stars in Ophiuchus