HIP2503 is the reference name for the star in the Hipparcos Star Catalogue. The Id of the star in the Henry Draper catalogue is HD2773.
BD number is the number that the star was filed under in the Durchmusterung or Bonner Durchmusterung, a star catalogue that was put together by the Bonn Observatory between 1859 to 1903. The star's BD Number is BD+53 81.
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||HIP 2503|
|Alternative Names||HD 2773, HIP 2503, BD+53 81|
|Constellation's Main Star||No|
|Multiple Star System||No / Unknown|
|Galactic Latitude||-8.80 degrees|
|Galactic Longitude||120.00 degrees|
|Radial Velocity||-4.00 ± 2.40 km/s|
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