Your guide to the Solar System and the night sky
🌎 Location: Greenwich, United Kingdom [change]

HR7128

HR7128 is a star in the constellation of Sagittarius.

HR7128 visual magnitude is 5.93. Because of its reltive faintness, HR7128 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 HR7128:

5.93
HR7128 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR7128

HR7128 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 HR7128 are provided in the following table:

18h 56m 00s
-23° 10’ 24”
12.53°
-11.29°
Sagittarius

The simplified sky map below shows the position of HR7128 in the sky:

Finder chart HR7128 star
Simplified finder chart for HR7128.

Visibility of HR7128 from your location

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

Today's HR7128 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.2°
Max altitude: 15.3°
Azimuth: 246.8°
HR7128 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7128

The image below is a photograph of HR7128 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 HR7128 is -0.002 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR7128 star
DSS2 image of HR7128. The red arrow shows the motion of HR7128 during the next 100000 years (-3.33 arcmin in Right Ascension and -15.00 arcmin in declination);

Distance of HR7128 from the Sun and relative movement

HR7128 is distant 890.71 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

273.22 pc
890.71 ly
-16 km/s
-0.002 arcsec/year
-0.009 arcsec/year

Spectral properties of HR7128

HR7128 belongs to spectral class B8

-1.25
B8
10382K

The red dot in the diagram below shows where HR7128 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7128. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7128

SAO187468
SAO187468