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Wolf 357

Wolf 357 is a orange to red star that can be located in the constellation of Leo Minor. The description is based on the spectral class. Wolf 357 is not part of the constellation but is within the borders of the constellation.

Location of Wolf 357

The location of the 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 star is compared to the celestial equator and is expressed in degrees. For Wolf 357, the location is 10h 22m 14.0144725579 and +36° 49` 07.160440841 .

Radial Velocity and Proper Motion of Wolf 357

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 -86.06 miliarcseconds/year towards the north and -198.18 miliarcseconds/year east if we saw them in the horizon.

The Radial Velocity, that is the speed at which the star is moving away/towards the Sun is 67.94 km/s . 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 (Colour) of Wolf 357

Wolf 357 has a spectral type of K2 D. This means the star is a orange to red star.

Distance to Wolf 357

The Parallax of the star is given as 11.77 which gives a calculated distance to Wolf 357 of 277.16 light years from the Earth or 84.98 parsecs. It would take a spaceship travelling at the speed of light, 277.16 years to get there. We don't have the technology or spaceship that can carry people over that distance yet.

The star is roughly 17,528,261.10 Astronomical Units from the Earth/Sun give or take a few. An Astronomical Unit is the distance between Earth and the Sun. The number of A.U. is the number of times that the star is from the Earth compared to the Sun.

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Wolf 357 Facts

Visual Facts

Primary / Proper / Traditional NameWolf 357
Spectral TypeK2 D
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
Colour orange to red
GalaxyMilky Way
ConstellationLeo Minor
Right Ascension (R.A.)10h 22m 14.0144725579
Declination (Dec.)+36° 49` 07.160440841
Distance from Earth11.77 Parallax (milliarcseconds)
 277.16 Light Years
 84.98 Parsecs
 17,528,261.10 Astronomical Units
Proper Motion Dec.-86.06 milliarcseconds/year
Proper Motion RA.-198.18 milliarcseconds/year
Radial Velocity67.94 km/s

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

Related Stars

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