Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:44  
clear_day Transit: 12:57  
SunsetSet: 21:11 south
sunny DaytimeWhat's Visible Now
All Constellations » Serpens » 

HR6958

Altitude: 28.3°   Azimuth: 235.9°   Direction: South-West

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:

6.43
Hypergiant

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

Altitude: 28.3°
Azimuth: 235.9°
Direction: South-West

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:

18h 32m 07s
+03° 39’ 34”
34°
5.96°
Serpens

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

Finder chart HR6958 star
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°
Max altitude: 42.2°
Azimuth: 273.7°
HR6958 is above the horizon from Greenwich, United Kingdom

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.

Image of HR6958 star
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.

366.30 pc
1,194.14 ly
-8 km/s
0.031 arcsec/year
0.015 arcsec/year

Spectral properties of HR6958

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

-1.39
A0
10653K

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

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

Alternative designations of HR6958

SAO123610
SAO123610