When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Durchmusterung - Wikipedia

   en.wikipedia.org/wiki/Durchmusterung

   The format of a BD number is exemplified by "BD−16 1591", which is the BD number of Sirius. This number signifies that in the catalog, Sirius is the 1591st star listed in the declination zone between −16 and −17 degrees, counting from 0 hours right ascension. [2] Stellar positions and zone boundaries use an equinox for the epoch of B1855.0.

3. Star catalogue - Wikipedia

   en.wikipedia.org/wiki/Star_catalogue

   The Guide Star Catalog is an online catalogue of stars produced for the purpose of accurately positioning and identifying stars satisfactory for use as guide stars by the Hubble Space Telescope program. The first version of the catalogue was produced in the late 1980s by digitizing photographic plates and contained about 20 million stars, out ...

4. List of astronomical catalogues - Wikipedia

   en.wikipedia.org/wiki/List_of_astronomical...

   K2 — K2 (Kepler extended mission) catalog; KELT — Kilodegree Extremely Little Telescope (search for extrasolar planets) Kemble — Father Lucian Kemble (asterisms which could be observed through binoculars, for example: Kemble 1, aka Kemble's Cascade in Camelopardalis) Kepler — Kepler catalog; Kes — Kesteven (supernova remnants).

5. List of astronomy acronyms - Wikipedia

   en.wikipedia.org/wiki/List_of_astronomy_acronyms

   BD – (catalog) Bonner Durchmusterung; BD – (celestial object) Brown dwarf; BEN – (catalog) Jack Bennett catalog, a catalog of deep-sky objects for amateur astronomers; BEL – (celestial object) broad emission line clouds in Active galactic nucleus [1] BF – (astrophysics terminology) Broadening function; BH – (celestial object) Black hole

6. PPM Star Catalogue - Wikipedia

   en.wikipedia.org/wiki/PPM_Star_Catalogue

   While the SAO catalog is more or less complete to V=9, with 4,503 stars fainter than V=10, the PPM catalog is fairly complete to V=9.5, with 102,672 stars fainter than V=10 and 22,395 stars fainter than V=11. Released after the original PPM, the PPM supplemental list was intended to render the PPM complete to magnitude V=7.5.

7. BD+20 594b - Wikipedia

   en.wikipedia.org/wiki/BD+20_594b

   BD+20 594b indicates that the planet circles a star found in the Bonner Durchmusterung catalogue, BD +20° 594, the 594th entry in the +20-degree zone (declinations from +19 to +20 degrees), [2] and that it is the first planet discovered orbiting that star.