HST Reports

Paper Counts

Year GO Archival Part GO Part Archival Programs not Assigned Total
2020 337 434 134 24 929
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 5715 845
2019 5756 923
2018 4963 877
2017 7897 809
2016 4558 801
2015 4250 750
2014 3845 721
2013 3600 710
2012 4125 754
2011 3915 696
2010 3263 653
2009 2754 605
2008 2767 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 22433 7026

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 929 15326 16 3733 11 9612 22 1724 13
2019 1015 21353 21 8690 24 7772 17 4433 26
2018 968 27667 29 11950 32 10552 27 4344 25
2017 914 33156 36 12223 36 10482 28 9988 57
2016 883 33313 38 15106 45 10328 28 6671 42
2015 853 38081 45 16006 49 12277 35 9513 60
2014 819 40825 50 17281 57 14070 39 8863 62
2013 785 44257 56 18307 66 13229 42 9014 76
2012 848 46317 55 19029 61 15620 43 9622 71
2011 789 49097 62 20736 77 17848 46 8803 79
2010 734 48031 65 21123 82 18083 51 7068 66
2009 679 43155 64 19395 73 16435 54 6144 70
2008 704 45570 65 15913 67 18754 58 7042 87
2007 728 53381 73 25801 97 18361 58 5680 65
2006 715 50640 71 18004 79 18797 64 9011 79
2005 686 44900 65 17093 69 16043 60 8475 71
2004 611 46566 76 24063 101 12757 51 6428 66
2003 607 46462 77 20330 94 16581 61 7784 72
2002 602 41112 68 15147 63 13727 68 8424 85
2001 560 38841 69 20264 77 10516 58 5360 73
2000 537 31976 60 14771 60 9354 51 5683 86
1999 502 31336 62 14046 59 10653 61 3920 74
1998 509 44158 87 21038 76 15154 92 6406 156
1997 378 27348 72 15713 74 7283 62 4326 101
1996 307 25639 84 15748 89 4814 57 3152 90
1995 244 16658 68 11816 73 3202 54 1545 77
1994 178 11981 67 7982 65 2897 74 1014 72
1993 112 6034 54 4015 56 1529 53 415 52
1992 58 2883 50 2083 61 607 34 181 45
1991 42 2540 60 2152 69 347 39 36 36
Total 18296 1008603 55 449558 62 337684 45 171069 63

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 33 127 474 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 2641 3568 356 5677

Number of papers using HST instruments chart