HST Reports

Paper Counts

Year GO Archival Part GO Part Archival Programs not Assigned Total
2021 335 512 148 35 1030
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 302 358 142 18 820
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 265 307 88 20 680
2008 236 325 81 63 705
2007 268 320 87 58 733
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
2021 6134 952
2020 5715 844
2019 5758 922
2018 4964 877
2017 7901 809
2016 4558 801
2015 4251 750
2014 3846 721
2013 3599 710
2012 4125 754
2011 3915 696
2010 3261 653
2009 2754 606
2008 2768 626
2007 2719 648
2006 2460 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 23693 7448

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
2021 1030 6813 7 2287 7 3091 6 1178 8
2020 929 20481 22 5229 16 12521 29 2352 18
2019 1015 26300 26 10722 29 9627 21 5412 32
2018 968 31994 33 13914 38 12154 31 4971 29
2017 914 36868 40 13547 39 11631 31 11169 64
2016 883 36494 41 16648 50 11252 30 7316 46
2015 853 40979 48 17239 52 13154 37 10279 65
2014 820 43459 53 18428 61 14945 42 9423 66
2013 785 46556 59 19259 69 13953 44 9448 79
2012 848 48375 57 19918 64 16289 45 10026 74
2011 789 50963 65 21590 80 18510 48 9084 81
2010 734 49588 68 21814 84 18642 52 7322 68
2009 680 44792 66 19957 75 17290 56 6328 72
2008 705 46769 66 16335 69 19283 59 7210 89
2007 733 55081 75 26880 100 18628 58 5809 67
2006 715 51827 72 18405 81 19234 65 9240 81
2005 686 45742 67 17372 70 16378 61 8619 72
2004 611 47383 78 24469 103 13000 52 6525 67
2003 607 47304 78 20705 96 16885 62 7924 73
2002 602 41842 70 15390 64 13969 69 8617 87
2001 560 39404 70 20540 78 10636 59 5482 75
2000 537 32411 60 14991 61 9465 52 5761 87
1999 502 31676 63 14187 60 10777 62 3953 75
1998 509 44712 88 21314 77 15319 93 6504 159
1997 378 27623 73 15881 75 7343 62 4373 102
1996 307 25935 84 15923 90 4858 58 3194 91
1995 244 16851 69 11967 74 3233 55 1556 78
1994 178 12081 68 8042 66 2924 75 1025 73
1993 112 6079 54 4040 56 1545 53 417 52
1992 58 2903 50 2095 62 612 34 184 46
1991 42 2553 61 2160 70 352 39 36 36
Total 19334 1061838 55 471248 62 357500 45 180737 63

Number of papers using HST instruments

Year ACS COS FGS FOC FOS HRS HSP NICMOS STIS WFC3 WFPC WFPC2
2021 487 100 4 3 11 4 0 41 135 528 4 133
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 67 109 312 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 426 1 5 3 19 3 0 121 81 1 4 234
2008 405 0 5 5 14 10 0 111 98 0 6 261
2007 379 0 10 7 25 22 0 107 131 0 5 265
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 7181 832 165 326 888 785 33 1843 2778 4096 360 5815

Number of papers using HST instruments chart