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US 708

US 708 Facts

  • US 708 is a subdwarf star that can be located in the constellation of Ursa Major. The description is based on the spectral class.
  • US 708 is not part of the constellation outline but is within the borders of the constellation.
  • The star can not be seen by the naked eye, you need a telescope to see it.

US 708's Alternative Names

US 708 has alternative name(s) :- SDSS J093320.86+441705.4.

More details on objects' alternative names can be found at Star Names .

Location of US 708

The location of the subdwarf star in the night sky is determined by the Right Ascension (R.A.) and Declination (Dec.), these are equivalent to the Longitude and Latitude on the Earth. The Right Ascension is how far expressed in time (hh:mm:ss) the star is along the celestial equator. If the R.A. is positive then its eastwards. The Declination is how far north or south the object is compared to the celestial equator and is expressed in degrees. For US 708, the location is 09h 33m 20.86 and +44° 17` 05.5 .

Proper Motion of US 708

All stars like planets orbit round a central spot, in the case of planets, its the central star such as the Sun. In the case of a star, its the galactic centre. The constellations that we see today will be different than they were 50,000 years ago or 50,000 years from now. Proper Motion details the movements of these stars and are measured in milliarcseconds. The star is moving 2.28 ± 0.55 milliarcseconds/year towards the north and -7.33 ± 0.58 milliarcseconds/year east if we saw them in the horizon. . When the value is negative then the star and the Sun are getting closer to one another, likewise, a positive number means that two stars are moving away. Its nothing to fear as the stars are so far apart, they won't collide in our life-time, if ever.

Physical Properties of US 708

US 708 Temperature and Colour

Based on the star's spectral type of sdOHe Based on the star's spectral, the stars temperature is between 0.00 and 0.00 degrees kelvin.

US 708 Apparent and Absolute Magnitudes

US 708 has an apparent magnitude of 18.80 which is how bright we see the star from Earth. Apparent Magnitude is also known as Visual Magnitude. Magnitude, whether it be apparent/visual or absolute magnitude is measured by a number, the smaller the number, the brighter the Star is. Our own Sun is the brightest star and therefore has the lowest of all magnitudes, -26.74. A faint star will have a high number.

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Additional US 708 Facts and Figures

Visual Facts


Primary / Proper / Traditional NameUS 708
Alternative NamesSDSS J093320.86+441705.4
Spectral TypesdOHe
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeSubdwarf Star
GalaxyMilky Way
ConstellationUrsa Major
Visual / Apparent Magnitude18.80
Naked Eye VisibleRequires 8m Telescope - Magnitudes
Right Ascension (R.A.)09h 33m 20.86
Declination (Dec.)+44° 17` 05.5
Proper Motion Dec.2.28000 ± 0.55000 milliarcseconds/year
Proper Motion RA.-7.33000 ± 0.58000 milliarcseconds/year

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Estimated Calculated Facts


Effective Temperature44,561 Kelvin

Related Stars


Comments and Questions

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