HR6929

Altitude: 12.8° Azimuth: 189.2° Direction: South

HR6929 is a variable sub-giant star in the constellation of Sagittarius.

HR6929 visual magnitude is 6.59. Because of its reltive faintness, HR6929 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 HR6929:

Color of HR6929 ⬤

Magnitude of HR6929 6.59

Class Sub-giant

VISIBILITY RIGHT NOW

HR6929 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 12.8°
Azimuth: 189.2°
Direction: South

Celestial coordinates and finder chart of HR6929

HR6929 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6929 are provided in the following table:

Right Ascension J2000 18h 29m 21s

Declination J2000 -25° 15’ 23”

Galactic Longitude 7.95°

Galactic Latitude -6.73°

Constellation Sagittarius

The simplified sky map below shows the position of HR6929 in the sky:

Simplified finder chart for HR6929.

Visibility of HR6929 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 HR6929 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: 115.3° RISE 9:55

Max altitude: 13.3° TRANSIT 13:29

Azimuth: 244.7° SET 17:02

Digitized Sky Survey image of HR6929

The image below is a photograph of HR6929 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 HR6929 is 0.004 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR6929. The red arrow shows the motion of HR6929 during the next 100000 years (6.67 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR6929 from the Sun and relative movement

HR6929 is distant 3,227.72 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

Distance (parsec) 990.10 pc

Distance (light year) 3,227.72 ly

Heliocentric radial velocity -4 km/s

Proper Motion RA 0.004 arcsec/year

Proper Motion Dec -0.001 arcsec/year

Spectral properties of HR6929

HR6929 belongs to spectral class B2 and has a luminosity class of IV corresponding to a sub-giant star.

Absolute magnitude -3.39

Spectral Type B2IV

Color Index (B-V) 0.07

Temperature of HR6929 9328K

The red dot in the diagram below shows where HR6929 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6929. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6929

Henry Draper Catalogue HD170235

SAO Catalogue SAO186873

Hipparcos Catalogue HIP90610

Durchmusterung Catalogue CD-2513170

General Catalogue of Variable Stars V4031 Sgr

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In Evidence

Other stars in Sagittarius