HST Reports

Paper Counts

Year GO Archival Part GO Part Archival Programs not Assigned Total
2021 336 512 148 35 1031
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 27 510
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 6165 952
2020 5718 844
2019 5762 922
2018 4966 877
2017 7903 809
2016 4556 801
2015 4253 751
2014 3848 721
2013 3599 710
2012 4125 754
2011 3916 696
2010 3262 653
2009 2754 606
2008 2769 627
2007 2719 648
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 1572 435
1997 1121 321
1996 838 253
1995 800 202
1994 589 146
1993 387 98
1992 194 47
1991 149 36
Total 23708 7451

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 1031 9199 9.0 3073 9.0 4183 8.0 1626 11.0
2020 929 23392 25.0 6143 18.0 14114 33.0 2692 20.0
2019 1015 28986 29.0 11869 32.0 10567 23.0 5962 35.0
2018 968 34438 36.0 14996 41.0 13064 33.0 5348 31.0
2017 914 39011 43.0 14317 42.0 12292 33.0 11846 68.0
2016 883 38401 43.0 17560 53.0 11805 32.0 7725 48.0
2015 853 42814 50.0 18010 55.0 13683 39.0 10802 68.0
2014 820 44989 55.0 19024 63.0 15461 43.0 9817 69.0
2013 785 47864 61.0 19797 71.0 14341 46.0 9734 82.0
2012 848 49573 58.0 20450 66.0 16655 46.0 10268 76.0
2011 789 52072 66.0 22103 82.0 18902 49.0 9248 83.0
2010 734 50506 69.0 22191 86.0 18984 53.0 7492 70.0
2009 680 45513 67.0 20256 76.0 17600 57.0 6426 73.0
2008 705 47378 67.0 16546 70.0 19558 60.0 7290 90.0
2007 733 55816 76.0 27235 102.0 18866 59.0 5895 68.0
2006 715 52477 73.0 18642 82.0 19472 66.0 9362 82.0
2005 686 46136 67.0 17535 71.0 16527 62.0 8676 72.0
2004 611 47802 78.0 24661 104.0 13118 53.0 6582 67.0
2003 607 47702 79.0 20873 97.0 17042 62.0 7980 74.0
2002 602 42244 70.0 15525 64.0 14105 70.0 8728 88.0
2001 560 39705 71.0 20678 79.0 10710 59.0 5540 76.0
2000 537 32636 61.0 15094 61.0 9521 52.0 5811 88.0
1999 502 31878 64.0 14262 60.0 10849 62.0 3962 75.0
1998 510 45013 88.0 21418 77.0 15405 94.0 6560 160.0
1997 378 27742 73.0 15929 75.0 7385 63.0 4402 102.0
1996 307 26071 85.0 16014 90.0 4876 58.0 3206 92.0
1995 244 16940 69.0 12030 74.0 3253 55.0 1562 78.0
1994 178 12118 68.0 8064 66.0 2937 75.0 1027 73.0
1993 112 6100 54.0 4057 56.0 1549 53.0 417 52.0
1992 58 2909 50.0 2096 62.0 615 34.0 186 46.0
1991 42 2554 61.0 2159 70.0 354 39.0 36 36.0
Total 19336 1089979 56.0 482607 63.0 367793 46.0 186208 65.0

Number of papers using HST instruments

Year ACS COS FGS FOC FOS HRS HSP NICMOS STIS WFC3 WFPC WFPC2
2021 489 100 4 3 11 4 0 41 134 527 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 26 20 0 18 259
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 7183 832 165 326 888 785 33 1844 2777 4095 360 5816

Number of papers using HST instruments chart