HST Publication Statistics

Please note that HST Publication Statistics are not considered "final" or reportable until the first quarter of the following calendar year. Our current projection for 2018 HST publications, based on the number of papers assessed thus far, is 900 publications +/- 50.

These statistics are for HST papers from refereed journals. Please contact STScI Library staff at library@stsci.edu with questions about the bibliography process or criteria.

YearGIArchivalPart GI
Part Archive
Programs
not Assigned
Total
201733937617021906
201633337515520883
20153273561568847
201430135814018817
201327931411973785
201230936113542847
201126838611222788
201025935610712734
20092653008827680
20082343267767704
20072663178758728
200622329511384715
200524726612053686
20042382479828611
200321627010813607
20022412019961602
20012621817244559
20002471826642537
19992371745338502
19982781644126509
1997213118434378
1996177843511307
199516259203244
199412239143178
1993722983112
199234184258
19913191142
--61806161224178415366

          Plot created March 18, 2018

Number of papers using HST Instruments

YearACSCOSFGSFOCFOSHRSHSPNICMOSSTISWFPCWFPC2WFC3
201748076721851451058175457
2016497863625120751171161389
2015482764322120591043178385
2014432707320131721124201323
2013421535324100841095188236
2012473443414150991143265190
201145848982310012011110246100
201042818472219112296927348
200943315319301248142371
2008405055141001129862600
200737901072522010713052620
200629704122828111616382740
20052050843521010519263030
20041220912292626017553060
2003270710362519316593380
200210610372506416053190
200100412323838611232940
2000007235471898372790
19990082053622632942460
199800515838822520182580
1997007355675121251770
1996002235845400301470
199500132545950048550
199400329383940053150
19930022421254003910
199200314990002200
1991002114130001000
--5540472140316834756331722227735054582129

Note that some papers use more than one instrument and are counted for each instrument.

Plots created March 15, 2018

Number of Unique Authors

Year# Authors# First Authors
20177784800
20164517798
20154191741
20143820716
20133564704
20124089750
20113875690
20103235649
20092740604
20082741622
20072691641
20062437621
20052389595
20042043527
20032015522
20021859496
20011795467
20001699446
19991493419
19981562431
19971115320
1996835253
1995797202
1994589146
199338798
199219447
199114936

Unique first authors on HST papers: 5836
Unique authors on HST papers: 18863

Plot created March 15, 2018
Author name is defined as last name, first initial. Slight variations in spelling may increase the number of unique names. More common names with the same first initial may result in an undercount.

Citations

The citations are sum of all citations and the average number of citations for HST Science papers published in that year. The totals for all HST science papers.

Year# CitationsAvg # Citations# GI CitationsAvg # GI Citations# AR CitationsAvg # AR citations# Part GI/AR CitationsAvg # Part Citations
20171332714451011368721
20161764819558314341821
20152389927777121594637
20142799532981126607741
20133286639974129676656
201236519401229732767754
201140539471484836737763
201040087491504539578649
200937019501388243520755
200840001541653050592775
200746881631625450504858
200645375611677756802571
200540933591450854780065
200442789671165746596960
200342630671522755711665
200237698611238761759776
20013617464989954475065
20003004655875348538381
199929690581009857375569
1998417568114444885932144
19972608369694458409895
19962453279460054302886
19951589064305051148974
1994115176427497097869
199359145214595039449
19922793485903218245
1991244958337373636
Totals793050492597514112944856