Differential photometry of speckle-interferometric binary and multiple stars

The Astrophysical Journal Supplement Series. Monthly Notices of the Royal Astronomical Society. Revisiting the concept of superclusters". Accessed on line July 9, Leister, The Astronomical Journal , 2 February , pp. Astrophysics and Space Science. Archived 8 September at the Wayback Machine. Astrometric measurements of visual binaries in ". Retrieved 28 July Retrieved 22 May Accessed on line July 24, Retrieved October 14, Annals of Harvard College Observatory.

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Albireo's position, lower right corner. Radial velocity R v. Wikimedia Commons has media related to Albireo. A more detailed introduction is provided in the " dm. Delta-M Catalog maintained at the U. Naval Observatory Byte-by-byte Description of file: The positions given represent our best estimates of these values. Where possible, these are based on the WDS data, with proper motion incorporated.

The discoverer, identified by a one-to-three letter code, and the discoverer's number, if assigned. The reference list " refs. Components, when the object has more than two. The WDS scheme is maintained.

The NewCode from refs. The first three letters corresponds to the WDS discoverer while the next four numbers indicate the date of publication. The various methods are detailed below, and in " method. There are a plethora of interferometric techniques which are distinguished due to the familiarity of the authors with same. For specifics, consult the appropriate reference cited in the references.