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WY Pavonis, HIP87804

WY Pavonis is a pulsating variable star that can be located in the constellation of Pavo. The description is based on the spectral class. WY Pavonis is not part of the constellation 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.

WY Pavonis's Alternative Names

HIP87804 is the reference name for the star in the Hipparcos Star Catalogue.

WY Pavonis has alternative name(s) :- , WY Pav.

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

Location of WY Pavonis

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 WY Pavonis, the location is 17h 56m 12.39 and -57° 09` 43.1 .

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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WY Pavonis Facts

Visual Facts


Primary / Proper / Traditional NameWY Pavonis
Alternative NamesHIP 87804, WY Pav
Constellation's Main StarNo
Multiple Star SystemNo / Unknown
Star TypeVariable Star
GalaxyMilky Way
ConstellationPavo
Absolute Magnitude 2.39
Visual / Apparent Magnitude12.18
Naked Eye VisibleRequires a 4.5 - 6 Inch Telescope - Magnitudes
Right Ascension (R.A.)17h 56m 12.39
Declination (Dec.)-57° 09` 43.1
Galactic Latitude-15.54 degrees
Galactic Longitude336.06 degrees
Distance from Earth1.10 Parallax (milliarcseconds)
 2965.12 Light Years
 909.09 Parsecs
 187,511,966.11 Astronomical Units
B-V Index-99.00
Radial Velocity-76.00 ± 14.00 km/s
Iron Abundance-0.97 ± 9.99 Fe/H

Companions (Multi-Star and Exoplanets) Facts


Exoplanet CountNone/Unaware

Variable Star Details


Variable Star ClassPulsating
Variable Star TypeRR Lyrae type with a
Mean Variability Period in Days0.589
Variable Magnitude Range (Brighter - Dimmer)11.883 - 12.707

Sources and Links


SIMBAD SourceLink

Related Stars


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