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Blue Star was founded in 1943 by Mohan T Advani as a reconditioning company. [ 4 ] [ 5 ] Soon after inception, Blue Star ventured into the manufacturing of ice candy machines and bottle coolers and began the design, execution of central air conditioning projects, followed by the manufacturing of water coolers.
In air conditioning, an inverter compressor is a compressor that is operated with an inverter.. In the hermetic type, it can either be a scroll or reciprocating compressor. ...
GSC — Guide Star Catalog. GSC2 / GSC II — Guide Star Catalog II; GSPC — Guide Star Photometric Catalog. GSPC2 — Guide Star Photometric Catalog, 2nd; Gsh — J. Glaisher (double stars) GΣ — G. Struve (double stars) Gtb — K. Gottlieb (double stars) Gui — J. Guillaume (double stars) Gum — Gum catalog of emission nebulae
The Index Catalogue of Visual Double Stars, or IDS, is a catalog of double stars. It was published by Lick Observatory in 1963 and contains measurements for 64,250 objects, covering the entire sky. [ 1 ] [ 2 ] The database used to construct this catalog was later transferred from Lick Observatory to the United States Naval Observatory , where ...
This category contains stars from the Bright Star Catalogue. Since this catalog is a continuation of the Harvard Revised Photometry Catalogue , it uses the same prefix, HR . To keep this category in order, please add objects to this category by using the markup [[Category:HR objects|####]] .
The catalog was a successor to the Burnham Double Star Catalogue and was based on observations compiled by Sherburne Wesley Burnham from 1906 to 1912, and by Eric Doolittle from 1912 to 1919. Aitken began work on the catalog shortly after Doolittle's death in 1920. The catalog contains observations made up to 1927. [3] [4]
The Burnham Double Star Catalogue (BDS) is a catalogue of double stars within 121° of the celestial North Pole. It was published in two parts by the Carnegie Institution of Washington in 1906, under the title A General Catalogue of Double Stars Within 121° of the North Pole. The first part gives coordinates, designations, and magnitudes for ...
The New General Catalogue of Nebulae and Clusters of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies , star clusters and emission nebulae .