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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: 6:46  
clear_day Transit: 12:11  
SunsetSet: 17:36
sunny DaytimeWhat's Visible Now?
All Constellations » Sagitta » 

HR7475

Altitude: 21.3°   Azimuth: 270.1°   Direction: West

HR7475 is a double supergiant star in the constellation of Sagitta.

HR7475 visual magnitude is 6.38. Because of its reltive faintness, HR7475 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 HR7475 is 0.011 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 HR7475 star
DSS2 image of HR7475. The red arrow shows the motion of HR7475 during the next 10000 years (1.83 arcmin in Right Ascension and 0.50 arcmin in declination);

Key facts about HR7475

6.38
Supergiant

HR7475 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 21.3°
Azimuth: 270.1°
Direction: West

Celestial coordinates and finder chart of HR7475

HR7475 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 HR7475 are provided in the following table:

19h 39m 25s
+16° 34’ 17”
53.12°
-2.71°
Sagitta

The simplified sky map below shows the position of HR7475 in the sky:

Finder chart HR7475 star
Simplified finder chart for HR7475.

Visibility of HR7475 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 HR7475 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: 73.4°
Max altitude: 55.1°
Azimuth: 286.6°

Distance of HR7475 from the Sun and relative movement

HR7475 is distant 2,295.77 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

704.23 pc
2,295.77 ly
-4 km/s
0.011 arcsec/year
0.003 arcsec/year

Spectral properties of HR7475

HR7475 belongs to spectral class K4 and has a luminosity class of I corresponding to a supergiant star.

-2.86
K4I
3098K

The red dot in the diagram below shows where HR7475 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR7475. Attribution: Richard Powell / CC BY-SA

HR7475 star system properties

HR7475 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR7475 double sysyem:

6.38
9.08
2.7
31.8 arcsec

Alternative designations of HR7475

SAO105104
SAO105104