Dictionary of Nomenclature of Celestial Objects
(Last update: 04-Dec-2023)

Result of query: info cati D33$

Details on Acronym:   D33
  
D33    (DIRECT survey, M 33)= (DIRECT) 
 Write:<<D33  JHHMMSS.s+DDMMSS.s>>
 N:  57581
Object:*  (SIMBAD class: Star)
  Note:DIRECT survey for stars in M 33.
    For variable stars, the authors first used the acronym DIRECT.
 in source:M 33 = NGC 598
   Ref:=2001AJ....121..861M
     byMACRI L.M.
, STANEK K.Z., SASSELOV D.D., KROCKENBERGER M., KALUZNY J.
 Astron. J., 121, 861-869 (2001)

    The DIRECT project: catalogs of stellar objects in nearby galaxies. I.
    The central part of M33.
oTable 3: <D33 JHHMMSS.s+DDMMSS.s> N=57581.
   Ref:=2001AJ....121..870M
     byMACRI L.M.
, STANEK K.Z., SASSELOV D.D., KROCKENBERGER M., KALUZNY J.
 Astron. J., 121, 870-890 (2001)

    DIRECT distances to nearby galaxies using detached eclipsing binaries
    and cepheids. VI. Variables in the central part of M33.
oTables 1-4: <D33 JHHMMSS.s+DDMMSS.s> N=251+47+62+184.
   Ref:=2001AJ....121.2032M
     byMOCHEJSKA B.J.
, KALUZNY J., STANEK K.Z., SASSELOV D.D., SZENTGYORGYI A.H.
 Astron. J., 121, 2032-2052 (2001)

    DIRECT distances to nearby galaxies using detached eclipsing binaries
    and cepheids. VII. Additional variables in the field M33A discovered    with image subtraction.
o(Erratum) Erratum vol. 121, p. 3284
oTables 2, 5,8, 10: <D33 JHHMMSS.s+DDMMSS.s> N=45+157+13+41 added.
   Ref:=2001AJ....122.2477M
     byMOCHEJSKA B.J.
, KALUZNY J., STANEK K.Z., SASSELOV D.D., SZENTGYORGYI A.H.
 Astron. J., 122, 2477-2489 (2001)

    DIRECT distances to nearby galaxies using detached eclipsing binaries
    and cepheids. VIII. Additional variables in the field M33B discovered    with image subtraction.
oTables 1, 4, 7, 9: <D33 JHHMMSS.s+DDMMSS.s> N=89+292+59+391.
=E=Catalogue in electronic form as J/AJ/121/861
=E=Catalogue in electronic form as J/AJ/121/870
=E=Catalogue in electronic form as J/AJ/121/2032
=E=Catalogue in electronic form as J/AJ/121/2477
 Originof the Acronym: A = Assigned by the author(s)

Details on Acronym:   DIRECT
  
DIRECT (DIRECT survey, in M 33)
  ***** Avoid the usage of DIRECT,  prefer D33
 Originof the Acronym: S = Created by Simbad, the CDS Database