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

HR8281

HR8281 is a multiple main-sequence star in the constellation of Cepheus.

HR8281 visual magnitude is 5.62. Because of its reltive faintness, HR8281 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 HR8281:

5.62
Main-sequence
HR8281 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 72°.

Celestial coordinates and finder chart of HR8281

HR8281 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 HR8281 are provided in the following table:

21h 38m 57s
+57° 29’ 21”
99.29°
3.74°
Cepheus

The simplified sky map below shows the position of HR8281 in the sky:

Finder chart HR8281 star
Simplified finder chart for HR8281.

Visibility of HR8281 from your location

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

HR8281 is circumpolar and transits at 16:54 UTC (altitude: 84.0°)

Digitized Sky Survey image of HR8281

The image below is a photograph of HR8281 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 HR8281 is -0.001 arcsec per year in Right Ascension and -0.003 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR8281 star
DSS2 image of HR8281. The red arrow shows the motion of HR8281 during the next 100000 years (-1.67 arcmin in Right Ascension and -5.00 arcmin in declination);

Distance of HR8281 from the Sun and relative movement

HR8281 is distant 1,172.66 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

359.71 pc
1,172.66 ly
-8 km/s
-0.001 arcsec/year
-0.003 arcsec/year

Spectral properties of HR8281

HR8281 belongs to spectral class O6 and has a luminosity class of V corresponding to a main-sequence star.

-2.16
O6V
8086K

The red dot in the diagram below shows where HR8281 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8281. Attribution: Richard Powell / CC BY-SA

HR8281 star system properties

HR8281 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR8281 double sysyem:

5.62
7.82
2.2
11.8 arcsec

Alternative designations of HR8281

SAO33626
SAO33626