% Excerpt from the Second Reference Catalogue of Bright Galaxies
%       (de Vaucouleurs, de Vaucouleurs and Corwin 1976)
%
% Document Number: SSD-T-5069-0004-81 ------------------------------------------
%
% Written: April 1981 by Theresa A. Nagy and Robert S. Hill
% TeX Ver: December 1990 by Susan S. Gessner and Lee E. Brotzman
%
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%\newcommand{\dmv}{Documentation for the Computer-Readable Version of the}
%\newcommand{\cat}{Second Reference Catalogue of Bright Galaxies}
%\newcommand{\abbr}{RC2}
%\newcommand{\catref}{de Vaucouleurs {\em et al.} (1976)}
%\newcommand{\pcatref}{de Vaucouleurs {\em et al.} 1976}
%\newcommand{\docnum}{SSD-T-5069-0004-81}
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\begin{document}
\ifhtx
\cgidef{-cat -bib -tex}
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\begin{quote} \em This description is an excerpt from the 
{\em Documentation for the Computer-Readable Version of the 
Second Reference Catalogue of Bright Galaxies (RC2)},
catalogue numbered {\bf VII/122},
prepared by Theresa A. Nagy and Robert S. Hill (April 1981),
revised by Suzan E. Gessner and Lee E. Brotzman (December 1990)
for NASA Goddard Space Flight Center, Greenbelt, MD 20771
\end{quote}

\tableofcontents

%\small
%\begin{table}
\Section{Coding of revised morphological types}
\begin{center}
\begin{tabular}{l|l|l|l|r|l|l} \hline
Classes & Families & Varieties & Stages & T & Type & Code \\ \hline
Ellipticals & & Compact & & $-$6 & cE & cE\,.\,.\,. \\
 & & & Ellipt. (0--6) & $-$5 & E0 & .\,E\,.\,0\,. \\
 & & & Intermediate   & $-$5 & E0--1 & .\,E\,.\,0+ \\
 & & ``cD''  & & $-$4 & E+ & .\,E$^{+}$\,.\,. \\ \hline
Lenticulars & & & & & S0 & .\,L \\
 & Non-barred & & & & SA0 & .\,LA \\
 & Barred & & & & SB0 & .\,LB \\
 & Mixed & & & & SAB0 & .\,LX \\
 & & Inner ring & & & S(r)0 & .\,L\,.\,R \\
 & & S-shaped & & & S(s)0 & .\,L\,.\,S \\
 & & Mixed & & & S(rs)0 & .\,L\,.\,T \\
 & & & Early & $-$3 & S0$^{-}$ & .\,L\,.\,.\,$-$ \\
 & & & Intermediate & $-$2 & S0$^{\circ}$ & .\,L\,.\,.\,0 \\
 & & & Late & $-$1 & S0$^{+}$ & .\,L\,.\,.\,+ \\ \hline
Spirals & Non-barred & & & & SA & .\,SA \\
 & Barred & & & & SB & .\,SB \\
 & Mixed & & & & SAB & .\,SX \\
 & & Inner ring & & & S(r) & .\,S\,.\,R \\
 & & S-shaped & & & S(s) & .\,S\,.\,S \\
 & & Mixed & & & S(rs) & .\,S\,.\,T \\
 & & & 0/a & 0 & S0/a & .\,S\,.\,.\,0 \\
 & & & a & 1 & Sa & .\,S\,.\,.\,1 \\
 & & & ab & 2 & Sab & .\,S\,.\,.\,2 \\
 & & & b & 3 & Sb & .\,S\,.\,.\,3 \\
 & & & bc & 4 & Sbc & .\,S\,.\,.\,4 \\
 & & & c & 5 & Sc & .\,S\,.\,.\,5 \\
 & & & cd & 6 & Scd & .\,S\,.\,.\,6 \\
 & & & d & 7 & Sd & .\,S\,.\,.\,7 \\
 & & & dm & 8 & Sdm & .\,S\,.\,.\,8 \\
 & & & m & 9 & Sm & .\,S\,.\,.\,9 \\ \hline
Irregulars & Non-barred & & & & IA & .\,IA \\
 & Barred & & & & IB & .\,IB \\
 & Mixed & & & & IAB & .\,IX \\
 & & S-shaped & & & I(s) & .\,I\,.\,S \\
 & & & Non-Magellanic & 90 & I0 & .\,I\,.\,0 \\
 & & & Magellanic & 10 & Im & .\,I\,.\,.\,9 \\
 & & Compact & & 11 & cI & cI\, \\ \hline
Peculiars & & & & 99 & Pec & .\,P \\
Peculiarities & & & Peculiarity & & pec & .\,.\,.\,.\,.\,P \\ \hline
(All types) & & & Uncertain & & : & .\,.\,.\,.\,* \\
 & & & Doubtful & & ? & .\,.\,.\,.\,? \\
 & & & Spindle & & sp & .\,.\,.\,.\,.\,/ \\
 & & & Outer ring & & (R) & R\,.\,.\,.\,.\,.\,. \\
 & & & Pseudo-outer R & & (R$'$) & P\,.\,.\,.\,.\,.\,. \smallskip \\ \hline
\end{tabular}
%\caption{Coding of revised morphological types}
\label{t:morph}
\end{center}
%\end{table}
\normalsize

\Section{Conversion of Hubble Types to Revised System}
%\begin{table}
\begin{center}
\begin{tabular}{l|l|c}
\hline
\multicolumn{1}{c|}{Hubble} & \multicolumn{1}{c|}{Revised} & T \\
\hline
 E      & E    & -5  \\
 E-S0   & L-:  & -3: \\
 S0     & L    & -2  \\
 IrrII  & I0   &  0: \\
 S0/a   & S0/a &  0  \\
 Sa     & Sa   &  1  \\
 Sa-b   & Sab  &  2  \\
 Sb     & Sb   &  3  \\
 Sb-c   & Sbc  &  4  \\
 Sc     & Scd: &  6: \\
 Sc-Irr & Sdm: &  8: \\
 IrrI   & Im   & 10  \\
\hline
 S...       & S.      & 3? \\
 S``early'' & S.(Sa?) & 1? \\
 S``late''  & S.Sc?   & 5? \\
\hline
\end{tabular}
%\caption{Conversion of Hubble Types to Revised System}
\label{t:hubrev}
\end{center}
%\end{table}

\Section{Codes for telescope sources of revised types}
%\begin{table}
\begin{center}
\begin{tabular}{l|r|l|l|r|l}
\hline
\multicolumn{1}{c|}{Observatory} & \multicolumn{1}{c|}{Tel. Ap.} &
\multicolumn{1}{c|}{Code}        & \multicolumn{1}{c|}{Observatory} &
\multicolumn{1}{c|}{Tel. Ap.}    & \multicolumn{1}{c}{Code} \\
\multicolumn{1}{c|}{}            & \multicolumn{1}{c|}{(in.)} &
\multicolumn{1}{c|}{}            & \multicolumn{1}{c|}{} &
\multicolumn{1}{c|}{(in.)}       & \multicolumn{1}{c}{} \\
\hline
  Palomar          & 200 & P200. & Mt. Wilson       & 60 & W060. \\
  Lick             & 120 & L120. & Tautenburg       & 52 & T052. \\
  Mt. Wilson       & 100 & W100. & Palomar (prints) & 48 & P048. \\
  McDonald         &  82 & M082. & Palomar (glass)  & 48 & PG48. \\
  Radcliffe        &  74 & R074. & ESO              & 40 & E040. \\
  Mt. Stromlo      &  74 & S074. & Siding Spring    & 40 & S040. \\
  USNO (Flagstaff) &  61 & N061. & Lick             & 36 & L036. \\
  Boyden           &  60 & B060. & Mt. Stromlo      & 30 & S030. \\
  Cordoba          &  60 & C060. &                  &    &       \\
\hline
\end{tabular}
%\caption{Codes for telescope sources of revised types}
\label{t:plate}
\end{center}
%\end{table}

\Section{Codes for author sources of revised types}
%\begin{table}
\begin{center}
\begin{tabular}{l|p{4.0in}}
\hline
 Code  & Reference \\
\hline
 ....B & Buta, R., Publ. Warner and Swasey Obs., II, in press, 1976 \\
 ....C & Corwin, H. G., Publ. Dept. Astr. U. Texas, II, 2, No. 12,
         1968; II, 3, No. 5, 1970; PASP, 83, 320, 1971;
         unpublished 1971-1975. \\
 ....F & Fisher, J. R., and Tully, R. B., A\&A, 44, 151, 1975 \\
 ....H & Holmberg, E., et al., A\&AS, 18, 463 and 491, 1974 \\
 ....N & Nilson, P., UGC, 1973; Uppsala Obs. Rep. No. 5, 1974 \\
 ....R & Rood, H. J., and Baum, W. A., AJ, 72, 398, 1967 \\
 ....V & de Vaucouleurs, G., ApJS, No. 74, 1963; RC1, 1964;
         unpublished 1964-1975.\\
\hline
\end{tabular}
%\caption{Codes for author sources of revised types}
\label{t:morphaut}
\end{center}
%\end{table}

\Section{Codes for Yerkes (Morgan) types}
%\begin{table}
\begin{center}
\begin{tabular}{l|l|l|l|l|l}
\hline
Classes    & Type   & Code & Classes       & Type & Code  \\
\hline
Elliptical & E(0-7) & E0   & Irregular     & I    & I     \\
           & E-D    & ED   &               & S-I  & SI    \\
           & D-E    & DE   &               & I-S  & IS    \\
           & S-E    & SE   &               & I-B  & IB    \\
\cline{1-3}
Dusty      &        & D    &               & B-I  & BI    \\
                             \cline{4-6}
           & D-S    & DS   & Peculiarities & L(1) & ..L   \\
           & S-D    & SD   &               & P    & ..P   \\
\cline{1-3}
Spiral     & S      & S    &               & ?,:  & ~~*   \\
                             \cline{4-6}
           &        &      &               & Color   &      \\
           &        &      &               & Classes & Code \\
                                             \cline{5-6}
Barred     & B      & B    &               & a       & A    \\
           & (B)    & SX   &               & af      & AF   \\
           & B-S    & BS   &               & f       & F    \\
           & S-B    & SB   &               & fg      & FG   \\
           &        &      &               & g       & G    \\
           &        &      &               & gk      & GK   \\
           &        &      &               & k       & K    \\
           &        &      &               & :       & *    \\
\hline
\multicolumn{6}{l}{(1) Low surface brightness} \\
\end{tabular}
\end{center}
%\caption{Codes for Yerkes (Morgan) types}
\label{t:yerkes}
%\end{table}

\Section{Coding of DDO (van den Bergh) Types}
%\begin{table}
\begin{center}
\begin{tabular}{l|l|l|l|lc}
\hline
Classes   & Families    & Stages                  & Type  &Coding    & Notes \\
\hline
Elliptical&             & Ellipcicity (0-9)       & E0    &E~~0      & (1)   \\
\hline
Sprial    & Ordinary    &                         & S     &S         &       \\
          & Barred      &                         & SB    &S~B       &       \\
          & Intermediate&                         & S (B) &S~X       &       \\
          &             & a                       & Sa    &S~~0      &       \\
          &             & b-                      & Sb-   &S~~2      &       \\
          &             & b                       & Sb    &S~~3      &       \\
          &             & b+                      & Sb+   &S~~4      &       \\
          &             & c                       & Sc    &S~~5      &       \\
          &             & -                       & S-    &S~~6      &       \\
          &             & +                       & S+    &S~~7      &       \\
\hline
Irregular &             &                         & Ir    &I         &       \\
          &             &                         & Ir+   &I~~9      &       \\
\hline
Peculiar  &             &                         & P     &P         &       \\
Peculiarities&          & Bright nucleus          & N     &N         &       \\
          &             & Nebulous arms, mild case& (n)   &~~~~N-    & (2)   \\
          &             & Nebulous arms, normal   & n     &~~~~N     &       \\
          &             & Nebulous arms, extreme  & nn    &~~~~N+    &       \\
          &             & Patchy arms, mild case  & (*)   &~~~~K-    &       \\
          &             & Patchy arms, normal     & *     &~~~~K     &       \\
          &             & Patchy arms, extreme    & **    &~~~~K+    &       \\
          &             & Distorted arms,mild case& (t)   &~~~~T-    &       \\
          &             & Distorted arms, normal  & t     &~~~~T     &       \\
          &             & Distorted arms, extreme & tt    &~~~~T+    &       \\
          &             & Peculiarity             & p     &~~~P      &       \\
          &             & Uncertain ?,:,()        &       &*~~*~~*   & (3)   \\
\hline
Luminosity& Code & Luminosity& Code \\
Classes   &      & Classes   &      \\
\hline
 I        &  1   & III-IV    &  6  \\
 I-II     &  2   & IV        &  7  \\
 II       &  3   & IV-V      &  8  \\
 II-III   &  4   & V         &  9  \\
 III      &  5   &           & \\
\hline
\multicolumn{6}{l}{(1) Includes lenticulars, especially in ES, E9} \\
\multicolumn{6}{l}{(2) Combined cases are coded NK, NT, etc} \\
\multicolumn{6}{l}{(3) Applies to symbol or group of symbols immediately
preceding it} \\
\end{tabular}
\end{center}
%\caption{Coding of DDO (van den Bergh) Types}
\label{t:ddo}
%\end{table}
\end{document}
