Your guide to the Solar System and the night sky
Latest Perseverance Images received 5 hours 12 mins ago for Sol242, Sol240
Please help keep TheSkyLive ads-free, DONATE NOW via PayPal!. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]

HR8258

HR8258 is a double main-sequence star in the constellation of Pegasus.

HR8258 visual magnitude is 6.11. Because of its reltive faintness, HR8258 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 HR8258:

6.11
Main-sequence
HR8258 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 33°.

Celestial coordinates and finder chart of HR8258

HR8258 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 HR8258 are provided in the following table:

21h 35m 26s
+24° 27’ 07”
75.94°
-20.05°
Pegasus

The simplified sky map below shows the position of HR8258 in the sky:

Finder chart HR8258 star
Simplified finder chart for HR8258.

Visibility of HR8258 from your location

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

Today's HR8258 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 65.5°
Max altitude: 63.0°
Azimuth: 294.5°
HR8258 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR8258

The image below is a photograph of HR8258 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 HR8258 is 0.011 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8258 star
DSS2 image of HR8258. The red arrow shows the motion of HR8258 during the next 10000 years (1.83 arcmin in Right Ascension and -1.83 arcmin in declination);

Distance of HR8258 from the Sun and relative movement

HR8258 is distant 689.22 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

211.42 pc
689.22 ly
-28 km/s
0.011 arcsec/year
-0.011 arcsec/year

Spectral properties of HR8258

HR8258 belongs to spectral class A4 and has a luminosity class of V corresponding to a main-sequence star.

-0.52
A4V
10125K

The red dot in the diagram below shows where HR8258 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8258. Attribution: Richard Powell / CC BY-SA

HR8258 star system properties

HR8258 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 HR8258 double sysyem:

6.11
6.41
0.3
0.3 arcsec

Alternative designations of HR8258

SAO89819
SAO89819