HR6848

HR6848 is a variable and multiple hypergiant star in the constellation of Sagittarius.

HR6848 visual magnitude is 6.84. Because of its reltive faintness, HR6848 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 HR6848:

Color of HR6848 ⬤

Magnitude of HR6848 6.84

Class Hypergiant

VISIBILITY RIGHT NOW HR6848 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6848

HR6848 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 HR6848 are provided in the following table:

Right Ascension J2000 18h 18m 43s

Declination J2000 -18° 37’ 09”

Galactic Longitude 12.7°

Galactic Latitude -1.47°

Constellation Sagittarius

The simplified sky map below shows the position of HR6848 in the sky:

Simplified finder chart for HR6848.

Visibility of HR6848 from your location

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

Today's HR6848 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.6° RISE 2:10

Max altitude: 19.9° TRANSIT 6:28

Azimuth: 251.4° SET 10:46

RIGHT NOW HR6848 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6848

The image below is a photograph of HR6848 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 HR6848 is 0.013 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6848. The red arrow shows the motion of HR6848 during the next 10000 years (2.17 arcmin in Right Ascension and 1.00 arcmin in declination);

Spectral properties of HR6848

HR6848 belongs to spectral class B0 and has a luminosity class of I corresponding to a hypergiant star.

Spectral Type B0I

Color Index (B-V) 0.31

Temperature of HR6848 7399K

HR6848 star system properties

HR6848 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR6848 double sysyem:

Main star magnitude 6.84

Secondary star magnitude 7.34

Magnitude difference 0.5

Separation 0.4 arcsec

Alternative designations of HR6848

Henry Draper Catalogue HD168021

SAO Catalogue SAO161304

Durchmusterung Catalogue BD-18 4896

General Catalogue of Variable Stars 10543

Aitken Double Star Catalogue ADS11240

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