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CH Aquilae

CH Aquilae Facts

CH Aquilae's Alternative Names

HIP101453 is the reference name for the star in the Hipparcos Star Catalogue.

CH Aquilae has alternative name(s) :- CH Aql, CH Aql.

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

Location of CH Aquilae

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 CH Aquilae, the location is 20h 33m 42.18 and -05° 38` 49.2 .

Radial Velocity and Proper Motion of CH Aquilae

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 11.58 ± 11.11 miliarcseconds/year towards the north and 24.21 ± 22.97 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 21.00 km/s with an error of about 999.00 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.

Source of Information

The source of the information if it has a Hip I.D. is from Simbad, the Hipparcos data library based at the University at Strasbourg, France. Hipparcos was a E.S.A. satellite operation launched in 1989 for four years. The items in red are values that I've calculated so they could well be wrong. Information regarding Metallicity and/or Mass is from the E.U. Exoplanets. The information was obtained as of 12th Feb 2017.

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Additional CH Aquilae Facts and Figures

Visual Facts


Primary / Proper / Traditional NameCH Aquilae
Alternative NamesCH Aql, HIP 101453, CH Aql
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeStar
GalaxyMilky Way
ConstellationAquila
Absolute Magnitude 8.78 / 10.43
Visual / Apparent Magnitude13.22
Naked Eye VisibleRequires a 8 - 10 Inch Telescope - Magnitudes
Right Ascension (R.A.)20h 33m 42.18
Declination (Dec.)-05° 38` 49.2
Galactic Latitude-25.28 degrees
Galactic Longitude39.81 degrees
1997 Distance from Earth12.96 Parallax (milliarcseconds)
 251.67 Light Years
 77.16 Parsecs
2007 Distance from Earth27.73 Parallax (milliarcseconds)
 117.62 Light Years
 36.06 Parsecs
 7,437,857.09 Astronomical Units
Proper Motion Dec.11.58 ± 11.11 milliarcseconds/year
Proper Motion RA.24.21 ± 22.97 milliarcseconds/year
B-V Index-99.00
Radial Velocity21.00 ± 999.00 km/s

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Variable Star Details


Variable Star ClassPulsating
Variable Star TypeRR Lyrae Type
Variable Magnitude Range (Brighter - Dimmer)12.760 - 14.220

Sources and Links


SIMBAD SourceLink

Related Stars


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