What's In What Column In RC3 This applies to all the machine-readable and printed versions. Note that the early magnetic tape version produced on a VAX 11/780 computer has the 8-bit IBM PC (high order ASCII) plus/minus signs replaced by "at" signs: "@". The UNIX versions have the plus/minus signs removed, or replaced with the correct "+-" characters. These, however, may not display correctly in your browser's text mode. 1st line: Columns 1- 2 -- RA hours (equinox 2000.0) 3- 4 -- RA minutes 5- 8 -- RA seconds, decimal point in column 7 9 -- Dec sign 10- 11 -- Dec degrees (equinox 2000.0) 12- 13 -- Dec minutes 14- 15 -- Dec seconds 16 -- blank 17- 30 -- Name1 (NGC, IC, A, proper name, maybe others) 31 -- blank 32- 38 -- Revised Hubble type, coded 39- 42 -- blank 43- 46 -- log D(25), decimal point in column 44 47 -- plus/minus sign, question mark, or blank 48- 51 -- Mean error on log D(25), decimal point in column 49 52- 53 -- blank 54- 56 -- Position angle 57 -- blank 58- 62 -- B(T), decimal point in column 60 63 -- B(T) source code 64 -- plus/minus sign or blank 65- 67 -- Mean error on B(T), decimal point in column 65 68 -- blank 69- 73 -- (B-V)(T), decimal point in column 71 74 -- plus/minus sign or blank 75- 78 -- Mean error on (B-V)(T), decimal point in column 76 79- 80 -- blank 81- 84 -- (B-V)(e), decimal point in column 82 85 -- plus/minus sign or blank 86- 89 -- Mean error on (B-V)(e), decimal point in column 87 90 -- blank 91- 95 -- m(21), decimal point in column 93 96 -- plus/minus sign or blank 97- 98 -- Mean error on m(21), decimal point in column 97 99 -- blank 100-104 -- V(21) 105 -- plus/minus sign or blank 106-108 -- Mean error on V(21) 109 -- return/line feed or return (depends on op system) 2nd Line Columns 1 -- blank 2- 7 -- Galactic longitude, decimal point in column 5 8 -- blank 9- 14 -- Galactic latitude, decimal point in column 12 15- 16 -- blank 17- 30 -- Name2 (UGC, ESO, MCG, possibly others) 31 -- blank 32- 37 -- Source(s) of Revised Hubble types 38 -- blank 39 -- Left parenthesis 40 -- Number of luminosity class estimates 41 -- Right parenthesis 42 -- blank 43- 46 -- log R(25), decimal point in column 44 47 -- plus/minus sign, question mark, or blank 48- 51 -- Mean error on log R(25), decimal point in column 49 52 -- blank 53- 56 -- Galactic absorption (B mags), decimal point in column 54 57 -- blank 58- 62 -- m(B), decimal point in column 60 63 -- blank 64 -- plus/minus sign or blank 65- 67 -- Mean error on m(B), decimal point in column 65 68 -- blank 69- 73 -- (U-B)(T), decimal point in column 71 74 -- plus/minus sign or blank 75- 78 -- Mean error on (U-B)(T), decimal point in column 76 79 -- blank 80- 84 -- (U-B)(e), decimal point in column 82 85 -- plus/minus sign or blank 86- 89 -- Mean error on (U-B)(e), decimal point in column 87 90 -- blank 91- 94 -- W(20) 95 -- plus/minus sign or blank 96- 98 -- Mean error on W(20) 99 -- blank 100-104 -- V(opt) 105 -- plus/minus sign or blank 106-108 -- Mean error on V(opt) 109 -- return/line feed or return 3rd line: Columns 1 -- blank 2- 7 -- Supergalactic longitude, decimal point in column 5 8 -- blank 9- 14 -- Supergalactic latitude, decimal point in column 12 15- 16 -- blank 17- 30 -- Name3 (VCC, DDO, IRAS, etc.) 31 -- blank 32- 35 -- Numerical type, decimal point in column 34 36 -- plus/minus sign or blank 37- 39 -- Mean error on numerical type, decimal point in column 38 40- 42 -- blank 43- 46 -- log A(e), decimal point in column 44 47 -- plus/minus sign or blank 48- 51 -- Mean error on log A(e), decimal point in column 49 52 -- blank 53- 56 -- Internal absorption (B mags), decimal point in column 54 57 -- blank 58- 62 -- m(FIR), decimal point in column 60 63- 68 -- blank 69- 73 -- (B-V)(T)(0), decimal point in column 71 74- 79 -- blank 80- 84 -- m'(e), decimal point in column 82 85 -- plus/minus sign or blank 86- 89 -- Mean error on m'(e), decimal point in column 87 90 -- blank 91- 94 -- W(50) 95 -- plus/minus sign or blank 96- 98 -- Mean error on W(50) 99 -- blank 100-104 -- V(GSR) 105 -- return/line feed or return 4th line: Columns 1- 2 -- RA hours (equinox 1950.0) 3- 4 -- RA minutes 5- 8 -- RA seconds, decimal point in column 7 9 -- Dec sign 10- 11 -- Dec degrees (equinox 1950.0) 12- 13 -- Dec minutes 14- 15 -- Dec seconds 16 -- blank 17- 30 -- PGC number 31 -- blank 32- 35 -- Numerical luminosity class, decimal point in column 34 36 -- plus/minus sign or blank 37- 39 -- Mean error on luminosity class, decimal point in column 38 40- 42 -- blank 43- 46 -- log D(0), decimal point in column 44 47- 52 -- blank 53- 56 -- 21-cm self-absorption, decimal point in column 54 57 -- blank 58- 62 -- B(T)(0), decimal point in column 60 63- 68 -- blank 69- 73 -- (U-B)(T)(0), decimal point in column 71 74- 79 -- blank 80- 84 -- m'(25), decimal point in column 82 85 -- plus/minus sign or blank 86- 89 -- Mean error on m'(25), decimal point in column 87 90 -- blank 91- 94 -- Hydrogen Index, decimal point in column 93 95- 99 -- blank 100-104 -- V(3K) 105 -- return/line feed or return hgcjr Latest revision of this file: 8 June 2020