HST Reports

Paper Counts

Year GO Archival Part GO Part Archival Programs not Assigned Total
2021 335 512 148 35 1030
2020 337 435 134 24 930
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 265 307 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 6813 953
2020 5716 846
2019 5753 922
2018 4962 876
2017 7897 809
2016 4556 801
2015 4253 750
2014 3847 721
2013 3601 711
2012 4127 754
2011 3916 696
2010 3263 653
2009 2755 606
2008 2768 626
2007 2721 648
2006 2459 624
2005 2410 597
2004 2064 531
2003 2035 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 23895 7450

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 11801 11.0 3942 12.0 5375 10.0 2085 14.0
2020 930 26570 29.0 7057 21.0 15971 37.0 3049 23.0
2019 1015 31856 31.0 13058 35.0 11638 25.0 6516 39.0
2018 968 36806 38.0 16032 44.0 13935 35.0 5718 33.0
2017 914 41063 45.0 15091 44.0 12893 34.0 12496 71.0
2016 883 40155 45.0 18357 55.0 12353 33.0 8095 51.0
2015 853 44423 52.0 18707 57.0 14164 40.0 11225 71.0
2014 819 46376 57.0 19608 65.0 15922 44.0 10135 71.0
2013 785 49129 63.0 20326 73.0 14704 47.0 10013 84.0
2012 848 50674 60.0 20934 68.0 17003 47.0 10495 78.0
2011 789 53114 67.0 22575 84.0 19289 50.0 9405 84.0
2010 734 51337 70.0 22540 87.0 19292 54.0 7637 71.0
2009 680 46237 68.0 20570 78.0 17876 58.0 6544 74.0
2008 705 48019 68.0 16798 71.0 19818 61.0 7379 91.0
2007 733 56564 77.0 27636 103.0 19089 60.0 5972 69.0
2006 715 53125 74.0 18859 83.0 19719 67.0 9481 83.0
2005 686 46580 68.0 17697 71.0 16689 63.0 8752 73.0
2004 611 48264 79.0 24885 105.0 13263 53.0 6625 68.0
2003 607 48170 79.0 21091 98.0 17203 63.0 8048 75.0
2002 602 42626 71.0 15650 65.0 14228 70.0 8831 89.0
2001 560 40046 72.0 20829 80.0 10796 60.0 5614 77.0
2000 537 32868 61.0 15207 62.0 9604 52.0 5841 88.0
1999 502 32111 64.0 14345 61.0 10921 63.0 3997 75.0
1998 510 45349 89.0 21582 78.0 15507 95.0 6618 161.0
1997 378 27893 74.0 16011 75.0 7424 63.0 4432 103.0
1996 307 26218 85.0 16089 91.0 4905 58.0 3229 92.0
1995 244 17011 70.0 12085 75.0 3265 55.0 1566 78.0
1994 178 12163 68.0 8088 66.0 2952 76.0 1033 74.0
1993 112 6129 55.0 4072 57.0 1561 54.0 419 52.0
1992 58 2922 50.0 2105 62.0 619 34.0 186 46.0
1991 42 2559 61.0 2164 70.0 354 39.0 36 36.0
Total 19335 1118158 58.0 493990 65.0 378332 47.0 191472 66.0

Number of papers using HST instruments

Year ACS COS FGS FOC FOS HRS HSP NICMOS STIS WFC3 WFPC WFPC2
2021 488 100 4 3 11 4 0 41 134 528 4 132
2020 424 81 6 2 10 6 0 33 127 475 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 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 2776 4097 360 5815

Number of papers using HST instruments chart