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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: 6:50  
clear_day Transit: 12:11  
SunsetSet: 17:32
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All Constellations » Cygnus » 

HR7499

Altitude: 20.2°   Azimuth: 49.9°   Direction: North-East

HR7499 is a double main-sequence star in the constellation of Cygnus.

HR7499 visual magnitude is 6.23. Because of its reltive faintness, HR7499 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 HR7499 is -0.025 arcsec per year in Right Ascension and 0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7499 star
DSS2 image of HR7499. The red arrow shows the motion of HR7499 during the next 10000 years (-4.17 arcmin in Right Ascension and 4.33 arcmin in declination);

Key facts about HR7499

6.23
Main-sequence

HR7499 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 20.2°
Azimuth: 49.9°
Direction: North-East

Celestial coordinates and finder chart of HR7499

HR7499 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 HR7499 are provided in the following table:

19h 41m 57s
+40° 15’ 14”
74.1°
8.4°
Cygnus

The simplified sky map below shows the position of HR7499 in the sky:

Finder chart HR7499 star
Simplified finder chart for HR7499.

Visibility of HR7499 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR7499 is circumpolar and transits at 09:15 UTC (altitude: 78.8°)

Distance of HR7499 from the Sun and relative movement

HR7499 is distant 271.67 light years from the Sun and it is moving towards the Sun at the speed of 32 kilometers per second.

83.33 pc
271.67 ly
-32 km/s
-0.025 arcsec/year
0.026 arcsec/year

Spectral properties of HR7499

HR7499 belongs to spectral class A6 and has a luminosity class of V corresponding to a main-sequence star.

1.63
A6V
8321K

The red dot in the diagram below shows where HR7499 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7499. Attribution: Richard Powell / CC BY-SA

HR7499 star system properties

HR7499 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR7499 double sysyem:

6.23
7.53
1.3
0.2 arcsec

Alternative designations of HR7499

SAO48737
SAO48737