What's In What Column In RC3, CSV version N.B. "Missing" column numbers (e.g. 3 and 6) are the commas. Columns 1- 2 -- RA hours (equinox 2000.0) 4- 5 -- RA minutes 7- 10 -- RA seconds, decimal point in column 9 or RA tenths of minutes, decimal point in column 7 12- 14 -- Dec degrees (equinox 2000.0), "+" or "-" sign in column 12 16- 17 -- Dec minutes 19- 20 -- Dec seconds 22- 36 -- Name1 (NGC, IC, A, proper name, maybe others) 38- 47 -- Revised Hubble type, coded 49- 53 -- log D(25), decimal point in column 51 55- 58 -- Mean error on log D(25), decimal point in column 56 60- 64 -- Position angle 66- 71 -- B(T), decimal point in column 69 73 -- B(T) source code 75- 77 -- Mean error on B(T), decimal point in column 75 79- 84 -- (B-V)(T), decimal point in column 82 86- 89 -- Mean error on (B-V)(T), decimal point in column 87 91- 96 -- (B-V)(e), decimal point in column 94 98-101 -- Mean error on (B-V)(e), decimal point in column 99 103-108 -- m(21), decimal point in column 106 110-111 -- Mean error on m(21), decimal point in column 110 113-118 -- V(21) 120-122 -- Mean error on V(21) 124-130 -- Galactic longitude, decimal point in column 128 132-138 -- Galactic latitude, decimal point in column 136 140-154 -- Name2 (UGC, ESO, MCG, possibly others) 156 -- Source(s) of Revised Hubble types 158-161 -- Number of luminosity class estimates, in parentheses 163-167 -- log R(25), decimal point in column 165 169-172 -- Mean error on log R(25), decimal point in column 170 174-178 -- Galactic absorption (B mags), decimal point in column 176 180-185 -- m(B), decimal point in column 183 187-189 -- Mean error on m(B), decimal point in column 187 191-196 -- (U-B)(T), decimal point in column 194 198-201 -- Mean error on (U-B)(T), decimal point in column 199 203-208 -- (U-B)(e), decimal point in column 206 210-213 -- Mean error on (U-B)(e), decimal point in column 211 215-219 -- W(20) 221-223 -- Mean error on W(20) 225-230 -- V(opt) 232-234 -- Mean error on V(opt) 236-242 -- Supergalactic longitude, decimal point in column 240 244-250 -- Supergalactic latitude, decimal point in column 248 252-267 -- Name3 (VCC, DDO, IRAS, etc.) 269-272 -- Numerical type, decimal point in column 271 274-276 -- Mean error on numerical type, decimal point in column 275 278-284 -- log A(e), decimal point in column 282 286-289 -- Mean error on log A(e), decimal point in column 287 291-295 -- Internal absorption (B mags), decimal point in column 293 297-302 -- m(FIR), decimal point in column 300 304-309 -- (B-V)(T)(0), decimal point in column 307 311-316 -- m'(e), decimal point in column 314 318-321 -- Mean error on m'(e), decimal point in column 319 323-327 -- W(50) 329-331 -- Mean error on W(50) 333-338 -- V(GSR) 340-341 -- RA hours (equinox 1950.0) 343-344 -- RA minutes 346-348 -- RA seconds, decimal point in column 348 351-353 -- Dec degrees (equinox 1950.0), "+" or "-" in column 351 355-356 -- Dec minutes 358-359 -- Dec seconds 361-369 -- PGC number 371-375 -- Numerical luminosity class, decimal point in column 374 377-379 -- Mean error on luminosity class, decimal point in column 378 381-387 -- log D(0), decimal point in column 385 389-393 -- 21-cm self-absorption, decimal point in column 391 395-400 -- B(T)(0), decimal point in column 398 402-407 -- (U-B)(T)(0), decimal point in column 405 409-414 -- m'(25), decimal point in column 412 416-419 -- Mean error on m'(25), decimal point in column 417 421-426 -- Hydrogen Index, decimal point in column 424 428-433 -- V(3K) hgcjr Latest revsion of this file: 1 June 2020