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