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: 4:43  
clear_day Transit: 12:58  
SunsetSet: 21:12 south
sunny DaytimeWhat's Visible Now
All Constellations » Aquila » 

HR7402

Altitude: -45.1°   Azimuth: 11.0°   Direction: North

HR7402 is a variable and multiple supergiant star in the constellation of Aquila.

HR7402 visual magnitude is 6.61. Because of its reltive faintness, HR7402 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 HR7402:

6.61
Supergiant

HR7402 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -45.1°
Azimuth: 11.0°
Direction: North

Celestial coordinates and finder chart of HR7402

HR7402 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 HR7402 are provided in the following table:

19h 29m 21s
-07° 02’ 38”
30.91°
-11.62°
Aquila

The simplified sky map below shows the position of HR7402 in the sky:

Finder chart HR7402 star
Simplified finder chart for HR7402.

Visibility of HR7402 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 HR7402 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: 97.0°
Max altitude: 31.5°
Azimuth: 263.0°
HR7402 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7402

The image below is a photograph of HR7402 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 HR7402 is 0.024 arcsec per year in Right Ascension and 0.003 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7402 star
DSS2 image of HR7402. The red arrow shows the motion of HR7402 during the next 10000 years (4.00 arcmin in Right Ascension and 0.50 arcmin in declination);

Distance of HR7402 from the Sun and relative movement

HR7402 is distant 1,590.24 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

487.80 pc
1,590.24 ly
-7 km/s
0.024 arcsec/year
0.003 arcsec/year

Spectral properties of HR7402

HR7402 belongs to spectral class F7 and has a luminosity class of I corresponding to a supergiant star.

-1.83
F7I
4515K

The red dot in the diagram below shows where HR7402 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7402. Attribution: Richard Powell / CC BY-SA

HR7402 star system properties

HR7402 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR7402 double sysyem:

6.61
12.11
5.5
1.5 arcsec

Alternative designations of HR7402

SAO143454
SAO143454