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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Serpens » 

HR6873

Altitude: 25.4°   Azimuth: 244.6°   Direction: West-South-West

HR6873 is a variable main-sequence star in the constellation of Serpens.

HR6873 visual magnitude is 6.13. Because of its reltive faintness, HR6873 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 HR6873:

6.13
Main-sequence

HR6873 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 25.4°
Azimuth: 244.6°
Direction: West-South-West

Celestial coordinates and finder chart of HR6873

HR6873 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 HR6873 are provided in the following table:

18h 21m 28s
+05° 26’ 08”
34.39°
9.13°
Serpens

The simplified sky map below shows the position of HR6873 in the sky:

Finder chart HR6873 star
Simplified finder chart for HR6873.

Visibility of HR6873 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 HR6873 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: 84.6°
Max altitude: 44.0°
Azimuth: 275.4°

Digitized Sky Survey image of HR6873

The image below is a photograph of HR6873 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 HR6873 is 0.013 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6873 star
DSS2 image of HR6873. The red arrow shows the motion of HR6873 during the next 10000 years (2.17 arcmin in Right Ascension and -0.67 arcmin in declination);

Distance of HR6873 from the Sun and relative movement

HR6873 is distant 3,360.82 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

1,030.93 pc
3,360.82 ly
-18 km/s
0.013 arcsec/year
-0.004 arcsec/year

Spectral properties of HR6873

HR6873 belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.

-3.94
B3V
10653K

The red dot in the diagram below shows where HR6873 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6873. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6873

SAO123385
SAO123385