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Spectral Coverage of U1 & U2 scans
The table below contains links to graphic images depicting the spectral distribution of Copernicus U1 and U2 scans. The numbers represent the total number of available U1 and U2 scans for each observed target, as well as the number of U1 scans for each target obtained in six wavelength bins. (Scans for which the detector was fixed in wavelength or in which the average counts equalled 0, were excluded.) The first two columns list the file number and the target name.
Clicking on the highlighted numbers will display plots of scan number versus wavelength (in Angstroms). The scan number is a sequential number describing the order in which a scan was obtained for a particular target. For example, the 127th scan of Lambda Sco would have scan number 127. The length of each bar in the plot represents the spectral range of each scan. The right axis of each plot represents approximate observation dates although note the time scale is not linear.
The plots show that in general, the U2 scans tend to cover a larger spectral range and have a more uniform spectral coverage. U1 scans tended to concentrate on specific wavelength regions, particularly around interstellar absorption lines.
U1 File Target Total U2 Total U1 <960 960- 1000- 1060- 1180- >1350 Number Name scans scans 1000 1060 1180 1350
001 LAMBDA SCO 80 655 19 55 175 113 240 53 002 ZETA OPH 263 4000 84 34 590 994 1268 1034 003 TAU SCO 186 932 67 63 180 175 276 181 004 UPSILON SCO 51 526 37 41 66 94 255 33 005 GAMMA ARA 107 597 16 8 103 184 258 30 006 67 OPH 61 173 2 7 22 33 66 43 007 SIGMA SGR 61 294 3 8 35 91 112 45 008 ALPHA PAV 85 232 18 8 25 48 95 38 009 ALPHA GRU 531 1069 27 61 155 251 528 47 010 ALPHA ERI 89 663 26 28 49 136 360 64 011 PHI ERI 64 185 2 9 22 53 70 29 012 59 CYG 270 636 2 8 59 343 181 45 013 10 LAC 37 872 19 6 226 350 239 34 014 OMICRON AND 127 526 15 1 46 247 191 26 015 GAMMA PEG 174 1003 2 110 177 208 315 197 016 ZETA PER 57 1236 9 6 146 422 436 217 017 XI PER 202 1335 18 1 170 471 544 131 018 EPSILON PER 75 1007 290 116 85 203 312 64 019 DELTA PER 52 1183 2 8 271 636 217 49 020 HD 21278 27 420 21 5 56 120 182 36U1 File Target Total U2 Total U1 <960 960- 1000- 1060- 1180- >1350 Number Name scans scans 1000 1060 1180 1350 021 ALPHA CAM 55 1243 - 6 154 487 574 24 022 139 TAU 33 478 - 2 55 202 186 33 023 ZETA TAU 101 244 2 8 31 71 98 34 024 ZETA ORI A 68 1111 86 98 240 279 283 125 025 DELTA ORI A 177 1284 165 38 284 380 280 137 026 LAMBDA ORI A 121 1578 78 40 247 593 485 135 027 EPSILON ORI 165 1064 101 58 207 438 199 61 028 15 MON 50 986 53 35 271 363 255 9 029 ALPHA LEO 153 767 2 10 105 302 320 28 030 RHO LEO 82 1045 42 21 185 287 472 38 031 MU COL 140 1103 83 51 260 348 332 30 032 X PER 103 196 2 4 10 108 72 - 033 IOTA ORI 76 858 90 95 115 223 243 92 034 BETA ORI A 132 489 2 10 75 131 172 103 035 KAPPA ORI 118 1931 108 85 300 420 536 486 036 ALPHA COL 71 510 2 39 80 120 221 48 037 EPSILON CMA 72 660 65 222 53 109 191 20 038 BETA CMA 126 348 27 18 44 88 148 23 039 ETA TAU 55 373 14 8 41 139 137 34 040 20 TAU 64 653 20 9 118 345 137 34U1 File Target Total U2 Total U1 <960 960- 1000- 1060- 1180- >1350 Number Name scans scans 1000 1060 1180 1350 041 ALPHA TAU 387 46 - - 4 - 42 - 042 ETA CMA 44 274 - 9 32 106 105 22 043 GAMMA2 VEL 331 568 102 28 70 180 148 40 044 ZETA PUP 202 1925 378 134 290 449 382 321 045 OMICRON2 CMA 77 730 4 11 205 210 266 34 046 TAU CMA 80 787 - 10 81 343 262 91 047 29 CMA 177 475 2 21 50 164 210 28 048 LYMAN-ALPHA 236 1046 - - - - 1046 - 049 BETA CEN A 243 1487 229 126 251 258 474 152 050 JUPITER 1570 1630 - 19 5 55 1551 - 051 HD 74455 49 387 25 50 67 122 104 22 052 HD 75821 44 168 7 7 41 28 77 8 053 HD 72108 - 144 - - 39 88 19 - 054 ALPHA BOO 633 334 2 - 26 49 257 - 055 ALPHA VIR 293 1668 263 132 158 266 752 97 056 THETA CAR 172 646 142 49 69 142 185 60 057 HD 92740 14 - - - - - - - 058 ETA UMA 213 422 15 35 68 103 180 21 059 BETA LIB 89 293 11 19 45 65 129 24 060 MU NOR 106 798 11 20 228 256 227 58U1 File Target Total U2 Total U1 <960 960- 1000- 1060- 1180- >1350 Number Name scans scans 1000 1060 1180 1350 061 SIGMA SCO 152 1076 44 34 105 303 524 69 062 ZETA CEN 126 486 73 31 86 110 160 26 063 PI SCO 95 614 27 20 79 171 213 106 064 DELTA SCO 161 1202 236 106 115 325 384 100 065 HD 151804 20 201 - - 81 62 36 22 066 ZETA1 SCO 29 4 - - 4 - - - 067 HD 152408 9 - - - - - - - 068 UPSILON SGR 144 - - - - - - - 069 26 AQL 1 - - - - - - - 070 ALPHA LYR 332 1242 45 47 62 163 577 362 071 BETA LYR 287 323 2 20 9 154 138 - 072 PHI PER 185 471 7 23 36 245 160 - 073 BETA PER 135 266 - - 79 85 102 - 074 GAMMA PER 11 - - - - - - - 075 OMICRON PER 253 1311 - - 157 442 547 165 076 P CYG 169 55 - - - 55 - - 077 GAMMA CYG 46 1 - - - - 1 - 078 ALPHA AND 163 278 4 13 20 47 187 7 079 HD 28497 105 715 9 20 170 267 226 23 081 BETA GEM 642 162 - - 7 2 153 -U1 File Target Total U2 Total U1 <960 960- 1000- 1060- 1180- >1350 Number Name scans scans 1000 1060 1180 1350 082 40 PER 162 276 - - 4 123 104 45 083 LAMBDA CEP 72 82 3 5 9 35 30 - 084 GAMMA CAS 203 789 172 50 85 227 208 48 085 ALPHA AQR 182 236 - 55 58 68 55 - 086 ALPHA CAR 218 88 14 16 14 22 23 - 087 ALPHA CMI 656 345 - 2 119 71 153 - 088 EPSILON ERI 1191 396 - - - - 395 - 089 V PUP 72 387 - 56 99 76 156 - 090 3 PUP 2 - - - - - - - 091 KOHOUTEK 39 70 - - - - 70 - 092 ALPHA2 CVN 130 141 5 14 18 35 64 5 093 23 TAU 18 482 - - 90 303 99 - 094 EPSILON AUR 3 - - - - - - - 095 LAMBDA LEP 20 273 39 32 36 90 77 - 096 THETA1 ORI C 61 163 5 10 20 39 83 6 097 ALPHA ORI 241 247 - - - - 247 - 098 DELTA PIC 32 118 - - 22 10 86 - 099 IOTA HER 131 623 47 2 35 252 196 95 101 THETA ARA 21 260 - 7 54 93 106 - 102 EPSILON UMA 135 129 4 15 19 32 59 -U1 File Target Total U2 Total U1 <960 960- 1000- 1060- 1180- >1350 Number Name scans scans 1000 1060 1180 1350 103 HD 64740 216 231 15 7 47 70 72 20 104 DELTA CRU 11 411 22 14 46 137 192 - 105 ALPHA1 CRU 8 252 79 41 30 49 53 - 106 HD 74753 - 32 - - 16 4 12 - 107 ZETA DRA 78 138 5 14 16 35 55 13 108 HD 74375 6 224 - - 70 73 81 - 109 CHI OPH 104 439 - - 22 209 159 49 110 ALPHA CEN A 937 1021 - 60 106 2 853 - 111 3 CEN A 84 155 - 7 - 95 54 - 112 BETA CRB 11 112 - - - - 101 11 113 TAU HER 73 12 - - - - - 12 114 HD 112244 17 222 - 4 52 67 99 - 115 NU CEN - 47 - - 20 3 12 12 116 THETA MUS 17 298 - 2 16 133 117 30 117 BETA LUP - 52 - - 32 11 9 - 118 DELTA LUP 12 159 24 14 43 38 40 - 119 1 SCO 13 186 - - 4 95 60 27 120 BETA1 SCO 48 348 22 - 15 137 153 21 121 OMEGA1 SCO 53 312 - - 15 141 134 22 122 RHO OPH A 46 537 - - 12 207 203 115U1 File Target Total U2 Total U1 <960 960- 1000- 1060- 1180- >1350 Number Name scans scans 1000 1060 1180 1350 123 NU SCO AB 50 375 - - 16 138 199 22 124 HD 135591 7 198 - - 34 94 49 21 125 ALPHA SCO A 96 42 - - - 13 29 - 126 22 SCO 7 344 - 1 35 135 173 - 127 MU1 SCO 16 199 18 4 34 64 57 22 128 HD 150898 7 215 - 2 31 82 100 - 129 HD 164402 7 21 - - - 21 - - 130 LAMBDA PAV 45 86 - - 40 27 19 - 131 THETA2 ORI A 51 95 - 7 12 25 51 - 132 9 SGE 22 148 - - 126 22 - - 133 EPSILON PEG 330 112 - - - - 112 - 134 KAPPA AQL 12 329 - - 50 146 106 27 135 BETA SCL 1 12 - - - - - 12 136 MU LEP 26 234 - - - 17 172 44 137 PI5 ORI 18 202 - - 37 81 84 - 138 UPSILON ORI 22 96 - 24 34 37 1 - 139 23 ORI 17 448 - - 89 164 184 11 140 PHI1 ORI 5 148 13 - 11 55 49 20 141 XI1 CMA - - 35 8 5 - - 142 ALPHA AUR 600 774 - 135 373 69 197 -U1 File Target Total U2 Total U1 <960 960- 1000- 1060- 1180- >1350 Number Name scans scans 1000 1060 1180 1350 143 AIRGLOW 27 180 - 17 23 39 70 31 144 PI CET 18 77 - - 5 16 51 5 145 HD 214080 51 430 - - 168 170 92 - 146 31 PEG 68 109 - - - 97 12 - 147 ETA LYR 1 36 - 7 12 17 - - 148 ALPHA AQL 137 87 - 37 - - 50 - 149 ALPHA CYG 255 141 4 14 17 35 57 14 150 HD 188209 5 295 - 2 12 134 123 24 151 UPSILON CYG 66 235 - - 37 97 99 2 152 68 CYG 59 591 - - 23 246 236 86 153 1 CAS 9 331 - 1 11 167 129 23 154 HD 193322 8 161 - - 7 86 42 26 155 ALPHA CMA A 466 1215 85 99 79 192 310 460 156 GAMMA CMA 1 10 - - - - - 10 157 HD 55879 14 534 - 1 85 193 255 - 158 HD 199579 45 198 2 5 34 126 31 - 159 LAMBDA AND 137 160 - - 111 - 49 - 160 19 CEP 10 160 - - 8 85 40 27 161 THETA UMA 6 48 - - - - 48 - 162 KAPPA CNC 2 59 - - - - 39 20U1 File Target Total U2 Total U1 <960 960- 1000- 1060- 1180- >1350 Number Name scans scans 1000 1060 1180 1350 163 ORION NEB 112 - - - - - - - 164 42 ORI 52 225 - 16 44 66 99 - 165 KAPPA CAS 57 422 2 7 15 190 133 75 166 SIGMA CAS 10 298 - - 7 146 97 48 167 60 CYG - 32 - - 32 - - - 168 HD 47129 140 216 - - 141 27 48 - 169 HD 64760 7 245 - 1 42 91 111 - 170 LAMBDA ERI 178 58 - - 34 4 20 - 171 48 PER 72 116 - - 29 43 44 - 172 8 LAC A - 32 - - 32 - - - 173 HD 37303 - 40 - - 40 - - - 174 ALPHA CMA AB 188 303 11 18 69 80 129 - 176 25 ORI 53 213 - - 70 62 83 - 177 MARS 169 1268 - - 60 - 1208 - 178 HD 36695 - 41 - - 41 - - - 179 HD 34989 11 37 - - 16 21 - - 180 HD 44506 27 415 - - 85 160 170 - 181 HD 51283 - 39 - - 39 - - - 182 HD 58978 - 42 - - 42 - - - 183 HD 52918 14
