B

American Astronomical Society Membership

American Astronomical Society (AAS) membership figures (see Table B.1 ) are from K. Marvel and R. Milkey and are taken from the Bulletin of the AAS. There are differences in sampling dates between the 1980s and late 1990s. In the 1980s, the figures refer to membership as of the end of the calendar year; in the late 1990s, the membership was sampled for the June AAS meeting and does not include membership renewals and applications that arrived later in the year. In 1988, the AAS changed its fulfillment system and the numbers are not available. The small increase in membership in 1995 is due in part to a special two-year AAS program, AASTRA, to enroll K-12 science teachers by giving them free or reduced-rate membership. The number of AASTRA members is now essentially zero.

TABLE B.1 American Astronomical Society Membership by Year, 1984 to 1999

Year

Full

Jr.

Total

Month Sampled

1984

2,813

410

4,185

December

1985

2,830

401

4,258

December

1986

2,920

310

4,382

December

1987

2,992

434

4,540

December

1988

 

1989

3,263

490

5,175

December

1990

3,414

767

5,710

December

1991

3,715

712

5,900

December

1992

3,812

625

6,050

December

1993

3,901

795

6,318

December

1994

3,849

826

6,269

June

1995

4,097

834

6,566

June

1996

3,940

874

6,657

June

1997

3,807

831

6,610

June

1998

3,840

912

6,701

June

1999

3,986

988

6,971

May 26

Full members of the AAS generally have Ph.D.s. Associate, emeritus, and corporate members are included in the total membership figure. These numbers are slightly different from those in the 1991 Decadal Report because they have not been corrected downward by the estimated fraction of AAS members who are foreign. In the 1991 Decadal Report, the fraction of foreign members was estimated to be approximately 18 percent. In 1998, the fractions of full and total foreign membership were 19 percent and 15 percent, respectively. U.S. membership was determined strictly by country of residence, not by citizenship, because the AAS membership database does not currently contain citizenship information.



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OCR for page 62
FEDERAL FUNDING OF ASTRONOMICAL RESEARCH B American Astronomical Society Membership American Astronomical Society (AAS) membership figures (see Table B.1 ) are from K. Marvel and R. Milkey and are taken from the Bulletin of the AAS. There are differences in sampling dates between the 1980s and late 1990s. In the 1980s, the figures refer to membership as of the end of the calendar year; in the late 1990s, the membership was sampled for the June AAS meeting and does not include membership renewals and applications that arrived later in the year. In 1988, the AAS changed its fulfillment system and the numbers are not available. The small increase in membership in 1995 is due in part to a special two-year AAS program, AASTRA, to enroll K-12 science teachers by giving them free or reduced-rate membership. The number of AASTRA members is now essentially zero. TABLE B.1 American Astronomical Society Membership by Year, 1984 to 1999 Year Full Jr. Total Month Sampled 1984 2,813 410 4,185 December 1985 2,830 401 4,258 December 1986 2,920 310 4,382 December 1987 2,992 434 4,540 December 1988 — — —   1989 3,263 490 5,175 December 1990 3,414 767 5,710 December 1991 3,715 712 5,900 December 1992 3,812 625 6,050 December 1993 3,901 795 6,318 December 1994 3,849 826 6,269 June 1995 4,097 834 6,566 June 1996 3,940 874 6,657 June 1997 3,807 831 6,610 June 1998 3,840 912 6,701 June 1999 3,986 988 6,971 May 26 Full members of the AAS generally have Ph.D.s. Associate, emeritus, and corporate members are included in the total membership figure. These numbers are slightly different from those in the 1991 Decadal Report because they have not been corrected downward by the estimated fraction of AAS members who are foreign. In the 1991 Decadal Report, the fraction of foreign members was estimated to be approximately 18 percent. In 1998, the fractions of full and total foreign membership were 19 percent and 15 percent, respectively. U.S. membership was determined strictly by country of residence, not by citizenship, because the AAS membership database does not currently contain citizenship information.

OCR for page 62
FEDERAL FUNDING OF ASTRONOMICAL RESEARCH The committee reiterates that the more detailed AAS membership breakdown by field and discipline was done for U.S. members only. Note also that AAS membership varies with time during the year as membership renewals arrive. The bulk of the membership renews by the January 1 start of the membership year; however, new memberships and renewals come in throughout the rest of the year. Until 1993, the membership numbers are those quoted for the end of the year in the Executive Office report for the January meeting. Starting in 1994, membership totals are reported at the June meeting of the society, so some of the decline between 1993 and 1994 represents the reporting date. Almost all members renew by the June meeting.