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 5709 844
2019 5756 923
2018 4962 877
2017 7895 809
2016 4557 801
2015 4250 750
2014 3848 721
2013 3599 710
2012 4124 754
2011 3914 696
2010 3260 653
2009 2754 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 22432 7024

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 13478 15 3206 10 8543 20 1509 11
2019 1015 19629 19 7965 22 7162 16 4089 24
2018 968 26223 27 11314 31 10024 25 4112 24
2017 914 31898 35 11787 34 10083 27 9589 55
2016 883 32220 36 14580 44 9997 27 6462 40
2015 853 37175 44 15617 47 11983 34 9295 58
2014 819 39954 49 16909 56 13783 38 8666 61
2013 785 43518 55 17971 64 13018 41 8877 75
2012 848 45689 54 18753 60 15422 43 9487 70
2011 789 48508 61 20465 76 17642 46 8718 78
2010 734 47509 65 20903 81 17907 50 6965 65
2009 679 42744 63 19216 73 16269 53 6084 69
2008 704 45210 64 15777 67 18612 57 6981 86
2007 728 52978 73 25585 96 18245 57 5644 65
2006 715 50278 70 17881 79 18664 63 8943 78
2005 686 44631 65 16995 69 15935 60 8436 70
2004 611 46312 76 23936 101 12679 51 6404 65
2003 607 46195 76 20221 94 16483 60 7737 72
2002 602 40851 68 15073 63 13624 67 8363 84
2001 560 38673 69 20192 77 10477 58 5313 73
2000 537 31853 59 14716 60 9312 51 5664 86
1999 502 31214 62 13995 59 10608 61 3908 74
1998 509 43994 86 20961 75 15109 92 6370 155
1997 378 27258 72 15664 74 7254 61 4314 100
1996 307 25556 83 15703 89 4802 57 3141 90
1995 244 16613 68 11780 73 3198 54 1540 77
1994 178 11947 67 7965 65 2885 74 1009 72
1993 112 6015 54 4006 56 1519 52 415 52
1992 58 2871 50 2078 61 603 34 178 44
1991 42 2539 60 2151 69 347 39 36 36
Total 18295 993533 54 443365 61 332189 45 168249 61

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