HST Reports

Paper Counts

Year GO Archival Part GO Part Archival Programs not Assigned Total
2020 337 434 133 24 928
2019 369 457 169 20 1015
2018 368 397 172 31 968
2017 343 374 175 22 914
2016 333 370 160 20 883
2015 329 353 159 12 853
2014 301 358 142 18 819
2013 279 314 119 73 785
2012 310 361 135 42 848
2011 270 385 112 22 789
2010 259 356 107 12 734
2009 265 306 88 20 679
2008 236 324 81 63 704
2007 267 318 87 56 728
2006 227 295 114 79 715
2005 248 267 120 51 686
2004 238 248 98 27 611
2003 216 274 108 9 607
2002 241 202 99 60 602
2001 262 181 73 44 560
2000 247 183 66 41 537
1999 237 174 53 38 502
1998 278 164 41 26 509
1997 213 118 43 4 378
1996 177 84 35 11 307
1995 162 59 20 3 244
1994 122 39 14 3 178
1993 72 29 8 3 112
1992 34 18 4 2 58
1991 31 9 1 1 42

Paper counts chart

Unique Authors

Year # Authors # First Authors
2020 5708 844
2019 5760 923
2018 4963 877
2017 7895 809
2016 4559 801
2015 4251 750
2014 3848 721
2013 3600 710
2012 4125 754
2011 3915 696
2010 3261 653
2009 2755 605
2008 2768 625
2007 2708 643
2006 2459 624
2005 2409 597
2004 2063 531
2003 2034 526
2002 1869 497
2001 1804 470
2000 1709 450
1999 1501 422
1998 1571 434
1997 1121 321
1996 838 253
1995 800 202
1994 589 146
1993 387 98
1992 194 47
1991 149 36
Total 22429 7025

Unique Authors Chart

Citations

The citations are the sum of all citations and the average number of citations for science papers published in that year. Due to the way citations are calculated via ADS, a single citing paper can count for two or more citations. Other observatories may calculate citations differently.
Year # Papers # Citations Avg # Citations # GO Citations Avg # GO Citations # AR Citations Avg # AR Citations # Part Citations Avg # Part Citations
2020 928 11668 13 2654 8 7536 17 1291 10
2019 1015 17876 18 7263 20 6496 14 3736 22
2018 968 24694 26 10629 29 9444 24 3899 23
2017 914 30505 33 11285 33 9673 26 9133 52
2016 883 31192 35 14092 42 9681 26 6262 39
2015 853 36190 42 15238 46 11644 33 9033 57
2014 819 39110 48 16516 55 13521 38 8486 60
2013 785 42740 54 17638 63 12776 41 8744 73
2012 848 45027 53 18449 60 15216 42 9359 69
2011 789 47883 61 20182 75 17419 45 8623 77
2010 734 46949 64 20685 80 17690 50 6864 64
2009 679 42319 62 19022 72 16093 53 6033 69
2008 704 44854 64 15668 66 18442 57 6930 86
2007 728 52505 72 25369 95 18074 57 5604 64
2006 715 49891 70 17736 78 18511 63 8882 78
2005 686 44341 65 16903 68 15820 59 8385 70
2004 611 46040 75 23797 100 12601 51 6370 65
2003 607 45883 76 20096 93 16365 60 7679 71
2002 602 40591 67 14991 62 13546 67 8279 84
2001 560 38461 69 20094 77 10421 58 5275 72
2000 537 31709 59 14633 59 9281 51 5643 86
1999 502 31071 62 13932 59 10572 61 3891 73
1998 509 43791 86 20857 75 15050 92 6335 155
1997 378 27140 72 15594 73 7221 61 4299 100
1996 307 25477 83 15654 88 4784 57 3136 90
1995 244 16547 68 11724 72 3190 54 1538 77
1994 178 11919 67 7947 65 2878 74 1006 72
1993 112 6002 54 3996 56 1516 52 415 52
1992 58 2862 49 2070 61 602 33 178 44
1991 42 2535 60 2147 69 347 39 36 36
Total 18295 977772 53 436861 60 326410 44 165344 60

Number of papers using HST instruments

Year ACS COS FGS FOC FOS HRS HSP NICMOS STIS WFC3 WFPC WFPC2
2020 423 81 6 2 10 6 0 33 126 474 1 115
2019 480 89 7 2 18 10 0 41 124 530 4 137
2018 440 93 8 4 16 13 0 47 131 501 3 156
2017 459 76 7 2 18 5 1 41 103 439 7 146
2016 457 83 3 6 25 11 0 70 114 374 1 141
2015 449 77 4 3 23 12 0 55 103 370 3 156
2014 417 69 7 3 20 11 1 67 108 312 4 181
2013 411 53 5 3 24 10 0 83 108 234 5 177
2012 453 44 3 3 14 15 0 93 113 186 3 232
2011 434 48 9 8 23 10 0 113 106 99 10 223
2010 410 18 4 7 20 18 1 117 95 48 8 245
2009 425 1 5 3 19 3 0 121 81 1 4 233
2008 405 0 5 5 14 10 0 111 98 0 6 260
2007 379 0 10 7 25 22 0 107 130 0 5 262
2006 297 0 4 12 28 28 1 116 163 0 8 274
2005 205 0 8 4 35 21 0 105 192 0 6 303
2004 122 0 9 12 29 26 2 60 175 0 5 306
2003 26 0 7 10 36 25 1 93 165 0 9 338
2002 1 0 6 10 37 25 0 64 160 0 5 319
2001 0 0 4 12 32 38 3 86 112 0 3 295
2000 0 0 7 2 35 47 1 89 83 0 7 279
1999 0 0 8 20 53 62 2 63 29 0 4 246
1998 0 0 5 15 83 88 2 25 20 0 18 258
1997 0 0 7 35 56 75 1 2 1 0 25 177
1996 0 0 2 23 58 45 4 0 0 0 30 147
1995 0 0 1 32 54 59 5 0 0 0 48 55
1994 0 0 3 29 38 39 4 0 0 0 53 15
1993 0 0 2 24 21 25 4 0 0 0 39 1
1992 0 0 3 14 9 9 0 0 0 0 22 0
1991 0 0 2 11 4 13 0 0 0 0 10 0
Total 6693 732 161 323 877 781 33 1802 2640 3568 356 5677

Number of papers using HST instruments chart