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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
SunriseRise: 6:48  
clear_day Transit: 12:11  
SunsetSet: 17:34
sleep NighttimeWhat's Visible Now?
All Constellations » Lyra » 


Altitude: 7.3°   Azimuth: 33.5°   Direction: North-North-East

HR7403 is a main-sequence star in the constellation of Lyra.

HR7403 visual magnitude is 6.34. Because of its reltive faintness, HR7403 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR7403 is 0.022 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7403 star
DSS2 image of HR7403. The red arrow shows the motion of HR7403 during the next 10000 years (3.67 arcmin in Right Ascension and -2.17 arcmin in declination);

Key facts about HR7403


HR7403 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 7.3°
Azimuth: 33.5°
Direction: North-North-East

Celestial coordinates and finder chart of HR7403

HR7403 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7403 are provided in the following table:

19h 27m 36s
+37° 56’ 27”

The simplified sky map below shows the position of HR7403 in the sky:

Finder chart HR7403 star
Simplified finder chart for HR7403.

Visibility of HR7403 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 HR7403 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: 52.1°
Max altitude: 76.5°
Azimuth: 307.9°

Distance of HR7403 from the Sun and relative movement

HR7403 is distant 2,063.29 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

632.91 pc
2,063.29 ly
-28 km/s
0.022 arcsec/year
-0.013 arcsec/year

Spectral properties of HR7403

HR7403 belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR7403 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR7403. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7403