Dictionary of Nomenclature of Celestial Objects

. (br) A version of the White Dwarf Catalog is available online at: http://www.astronomy.villanova.edu/WDCatalog/ 05-May-2017: URL updated in %Y (http://www.astronomy.villanova.edu/WDCatalog/) 12-Jan-2016: URL of the catalog website added to %Y (http://www.astronomy.villanova.edu/WDcatalog/)
Details on Acronym:   WD
  
WD  
Write:<<WD HHMM+DD>>
<<WD HHMM+DDd>>
<<WD HHMM+DDdA>>
<<WD HHMM+DDda>>
<<WD HHMM+DDd.N>>
<<WD HHMM+DDdNN>>
N: about 14000
Object:WD  (SIMBAD class: WhiteDwarf = White Dwarf)
Note:"A catalogue of spectroscopically identified white dwarfs."
Each version supersedes the precedent edition.
The formats 'HHMM+DDd.N' and 'HHMM+DDdNN' are used to distinguish stars having identical format 'HHMM+DDd'.
A version of the White Dwarf Catalog is available online at: http://www.astronomy.villanova.edu/WDCatalog/
Ref:=1977VilCo...2....0C
byCOOK G.P. , SION E.M.
 Villanova Univ. Obs. Contr., -1-None (1977)
  A catalogue of spectroscopically identified white dwarfs.
o<WD HHMM+DDA> N=528
Ref:=1984VilCo...3....1M
byMcCOOK G.P. , SION E.M.
 Villanova Univ. Obs. Contr., 3, 1-120 (1984)
  A catalogue of spectroscopically identified white dwarfs.
o<WD HHMM+DDdA> N about 1500
Ref:=1987ApJS...65..603M
byMcCOOK G.P. , SION E.M.
 Astrophys. J., Suppl. Ser., 65, 603-671 (1987)
  A catalog of spectroscopically identified white dwarfs.
oG 124-209 misprint for G 124-20
oTable 2: <WD HHMM+DDdA> N=1279
Ref:=1999ApJS..121....1M
byMcCOOK G.P. , SION E.M.
 Astrophys. J., Suppl. Ser., 121, 1-130 (1999)
  A catalog of spectroscopically identified white dwarfs.
oWD 2226+210 is a misprint for WD 2226-210
oTable 3: <WD HHMM+DDdA> N=2249.
=E=Catalogue in electronic form as III/235
=E=Catalogue in electronic form as <III/235B/>
=E=Catalogue in electronic form as <III/129/>
=E=Catalogue in electronic form as <B/wd/>
Originof the Acronym: A = Assigned by the author(s)