HR6890

HR6890 is a giant star in the constellation of Serpens.

HR6890 visual magnitude is 6.38. Because of its reltive faintness, HR6890 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 HR6890:

Color of HR6890 ⬤

Magnitude of HR6890 6.38

Class Giant

VISIBILITY RIGHT NOW HR6890 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 19°.

Celestial coordinates and finder chart of HR6890

HR6890 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 HR6890 are provided in the following table:

Right Ascension J2000 18h 24m 03s

Declination J2000 -03° 34’ 59”

Galactic Longitude 26.61°

Galactic Latitude 4.44°

Constellation Serpens

The simplified sky map below shows the position of HR6890 in the sky:

Simplified finder chart for HR6890.

Visibility of HR6890 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 HR6890 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: 93.6° RISE 20:58

Max altitude: 34.9° TRANSIT 2:42

Azimuth: 266.4° SET 8:23

RIGHT NOW HR6890 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6890

The image below is a photograph of HR6890 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 HR6890 is -0.025 arcsec per year in Right Ascension and -0.055 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6890. The red arrow shows the motion of HR6890 during the next 10000 years (-4.17 arcmin in Right Ascension and -9.17 arcmin in declination);

Distance of HR6890 from the Sun and relative movement

HR6890 is distant 215.89 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

Distance (parsec) 66.23 pc

Distance (light year) 215.89 ly

Heliocentric radial velocity -17 km/s

Proper Motion RA -0.025 arcsec/year

Proper Motion Dec -0.055 arcsec/year

Spectral properties of HR6890

HR6890 belongs to spectral class F6 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 2.27

Spectral Type F6III

Color Index (B-V) 0.34

Temperature of HR6890 7217K

The red dot in the diagram below shows where HR6890 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6890. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6890

Henry Draper Catalogue HD169268

SAO Catalogue SAO142274

Hipparcos Catalogue HIP90174

Durchmusterung Catalogue BD-03 4277

In Evidence

Other stars in Serpens