HR6958

Altitude: 0.5° Azimuth: 84.8° Direction: East

HR6958 is a variable hypergiant star in the constellation of Serpens.

HR6958 visual magnitude is 6.43. Because of its reltive faintness, HR6958 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 HR6958:

Color of HR6958 ⬤

Magnitude of HR6958 6.43

Class Hypergiant

VISIBILITY RIGHT NOW

HR6958 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 0.5°
Azimuth: 84.8°
Direction: East

Celestial coordinates and finder chart of HR6958

HR6958 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 HR6958 are provided in the following table:

Right Ascension J2000 18h 32m 07s

Declination J2000 +03° 39’ 34”

Galactic Longitude 34°

Galactic Latitude 5.96°

Constellation Serpens

The simplified sky map below shows the position of HR6958 in the sky:

Simplified finder chart for HR6958.

Visibility of HR6958 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 HR6958 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: 86.3° RISE 6:59

Max altitude: 42.2° TRANSIT 13:16

Azimuth: 273.7° SET 19:32

Digitized Sky Survey image of HR6958

The image below is a photograph of HR6958 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 HR6958 is 0.031 arcsec per year in Right Ascension and 0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6958. The red arrow shows the motion of HR6958 during the next 10000 years (5.17 arcmin in Right Ascension and 2.50 arcmin in declination);

Distance of HR6958 from the Sun and relative movement

HR6958 is distant 1,194.14 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

Distance (parsec) 366.30 pc

Distance (light year) 1,194.14 ly

Heliocentric radial velocity -8 km/s

Proper Motion RA 0.031 arcsec/year

Proper Motion Dec 0.015 arcsec/year

Spectral properties of HR6958

HR6958 belongs to spectral class A0 HR6958 is also a SiCr chemically peculiar star.

Absolute magnitude -1.39

Spectral Type A0

Color Index (B-V) -0.04

Temperature of HR6958 10653K

The red dot in the diagram below shows where HR6958 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6958. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6958

Henry Draper Catalogue HD170973

SAO Catalogue SAO123610

Hipparcos Catalogue HIP90858

Durchmusterung Catalogue BD+03 3737

General Catalogue of Variable Stars MV Ser

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In Evidence

Other stars in Serpens