HIP90110 is the reference name for the star in the Hipparcos Star Catalogue.
AY Sagittarii has alternative name(s) :- AY Sgr, AY Sgr.
More details on objects' alternative names can be found at Star Names .
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.
|Primary / Proper / Traditional Name||AY Sagittarii|
|Alternative Names||AY Sgr, HIP 90110, AY Sgr|
|Constellation's Main Star||No|
|Multiple Star System||No / Unknown|
|Star Type||Variable Star|
|Galactic Latitude||-2.41 degrees|
|Galactic Longitude||13.26 degrees|
|Radial Velocity||-26.50 ± 3.40 km/s|
|Variable Star Class||Pulsating|
|Variable Star Type||Delta Cepheid|
|Mean Variability Period in Days||6.572|
|Variable Magnitude Range (Brighter - Dimmer)||10.291 - 11.120|
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