Universe Guide

AV Sagittarii

AV Sagittarii Facts

  • AV Sagittarii is a pulsating star that can be located in the constellation of Sagittarius. The description is based on the spectral class.
  • AV Sagittarii is not part of the constellation outline but is within the borders of the constellation.
  • The star is calculated at being about 5919.48 light years away from us. Distance

AV Sagittarii's Alternative Names

AV Sagittarii has alternative name(s) :- AV Sgr.

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

Location of AV Sagittarii

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 object is compared to the celestial equator and is expressed in degrees. For AV Sagittarii, the location is 18 04 48.7864032131 and -22 43 56.645836757 .

Radial Velocity and Proper Motion of AV Sagittarii

Proper Motion

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 -2.98 milliarcseconds/year towards the north and -0.32 milliarcseconds/year east if we saw them in the horizon.

Radial Velocity

The Radial Velocity, that is the speed at which the star is moving away/towards the Sun is 17.90000 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.

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Additional AV Sagittarii Facts and Figures

Visual Facts

Primary / Proper / Traditional NameAV Sagittarii
Alternative NamesAV Sgr
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
GalaxyMilky Way
Right Ascension (R.A.)18 04 48.7864032131
Declination (Dec.)-22 43 56.645836757
Distance from Earth0.55100 Parallax (milliarcseconds)
 5919.48 Light Years
 1814.88 Parsecs
 374,343,263.10 Astronomical Units
Proper Motion Dec.-2.98000 milliarcseconds/year
Proper Motion RA.-0.32300 milliarcseconds/year
Radial Velocity17.90000 km/s

Companions (Multi-Star and Exoplanets) Facts

Exoplanet CountNone/Unaware

Variable Star Details

Variable Star ClassPulsating
Variable Star TypeDelta Cepheid

Sources and Links


Related Stars

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