136:
In the last years of his career, Jacobson focused on the development of computer graphics for JPL. His Linked
Windows Interactive Data System (LinkWinds), developed with Andrew L. Berkin and Martin W. Orton, was the co-winner of NASA's 1986 Software of the Year award. Jacobson also collaborated with
39:
Soon after graduating from high school in
Chattanooga, Jacobson joined the U.S. Air Force. While stationed in Japan, he sang and played the banjo in approximately 200 nightclub shows. During his military service he also became interested in
100:
in
September 1979 and operated until the cryogenic fluid was exhausted in 1980 on day 154 of the mission. The work of Jacobson and his colleagues resulted in an important discovery by HEAO-3, namely, the detection of radioactive decay of
79:
project, Jacobson joined in 1969 the staff of the Jet
Propulsion Laboratory (JPL). In 1973 he was promoted to supervisor of JPL's High Energy Astrophysics Group. His group worked on gamma ray spectroscopy (at energies from a few
409:
Varnell, L. S.; Ling, J. C.; Mahoney, W. A.; Jacobson, A. S.; Pehl, R. H.; Goulding, F. S.; Landis, D. A.; Luke, P. N.; Madden, N. W. (1984). "A Position-Sensitive
Germanium Detector for Gamma-Ray Astronomy".
48:. After completing his military service, he returned to the US and by 1957 abandoned his attempts at a professional career in musical performances. He enrolled in night school in engineering at
550:
Wheaton, Wm. A.; Jacobson, A. S.; Ling, J. C.; Mahoney, W. A.; Varnell, L. S. (1989). "The HEAO 3 background: Spectrum observed by a large germanium spectrometer in low earth orbit".
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751:
113:
and gave a quantitative basis for calculating the present rate of galactic-scale nucleosynthesis. Jacobson and his team also obtained significant new data about
1122:
1058:
1112:
1107:
214:
Jacobson, A.S.; Bishop, R.J.; Culp, G.W.; Jung, L.; Mahoney, W.A.; Willett, J.B. (1975). "A balloon-borne Ge(Li) spectrometer for gamma-ray astronomy".
763:
Peterson, Laurence E.; Jacobson, Allan S.; Pelling, R. M.; Schwartz, Daniel A. (1968). "Observations of cosmic X-ray sources in the 10–250 keV range".
1117:
243:
Ling, J. C.; Mahoney, W. A.; Willett, J. B.; Jacobson, A. S. (1977). "Measurement of 0.511-Mev gamma rays with a balloon-borne Ge(Li) spectrometer".
53:
89:
57:
137:
the U.S. Air Force and U.S. Army in research on gamma-ray sensing for military surveillance and in development of several professional
1127:
272:
Ling, J. C.; Mahoney, W. A.; Willett, J. B.; Jacobson, A. S. (1977). "A search for the reported 400-keV γ-ray line from Crab Nebula".
1023:
Jacobson, Allan S.; Berkin, Andrew L.; Orton, Martin N. (1994). "LinkWinds: Interactive scientific data analysis and visualization".
1092:
372:
Lamb, R. C.; Ling, J. C.; Mahoney, W. A.; Riegler, G. R.; Wheaton, W. A.; Jacobson, A. S. (1983). "γ-Ray line emission from SS433".
196:
72:. During the late 1960s, Jacobson collaborated extensively with Peterson, who headed UCSD's program in high energy astronomy.
903:
Mahoney, W. A.; Ling, J. C.; Wheaton, W. A.; Jacobson, A. S. (1984). "HEAO 3 discovery of Al-26 in the interstellar medium".
881:
153:
118:
341:"Diffuse galactic gamma-ray line emission from nucleosynthetic Fe-60, Al-26, and Na-22 - Preliminary limits from HEAO 3"
75:
After spending the academic year 1968–1969 at UCSD as an assistant research physicist working as a team member on the
144:
In 1980 Jacobson received the NASA Medal for
Exceptional Scientific Achievement. In 1986 he was elected a Fellow der
1007:
145:
639:
Peterson, Laurence E.; Jacobson, Allan S.; Pelling, R. M. (1966). "Spectrum of Crab Nebula X Rays to 120 keV".
49:
938:
126:
92:. His team developed the High Spectral Resolution Gamma Ray Spectrometer (HSRGS), containing four cryogenic
1002:
310:
Mahoney, W.A.; Ling, J.C.; Jacobson, A.S. (1981). "Radiation damage of the HEAO C-1 germanium detectors".
65:
28:
20:
56:(UCLA), where he graduated in 1962 with a bachelor's degree. In 1962 he became a graduate student at the
201:
626:"HEAD AAS Rossi Prize Winners | High Energy Astrophysics Division, American Astronomical Society"
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61:
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60:(UCSD), where he graduated in 1964 with an M.S. and in 1968 in Ph.D. His thesis work, supervised by
106:
169:
Hicks, Donovan Blake; Jacobson, Allan S. (1974). "A Ge(Li) Spectrometer for Gamma Ray
Astronomy".
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823:
435:
397:
297:
598:
149:
1032:
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863:
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780:
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Peterson, Laurence E.; Jerde, Rod L.; Jacobson, Allan S. (1967). "Balloon X-ray astronomy".
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389:
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327:
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41:
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Peterson, Laurence E.; Jacobson, Allan S. (1970). "X-Ray
Observations of the Crab Nebula".
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980:
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859:
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776:
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701:
652:
532:
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385:
356:
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27:) was an American astrophysicist, known for his pioneering research in high-resolution
964:
963:
Ling, J. C.; Mahoney, W. A.; Wheaton, W. A.; Jacobson, A. S.; Kaluzienski, L. (1983).
448:
340:
1076:
867:
827:
480:
Riegler, G. R.; Ling, J. C.; Mahoney, W. A.; Wheaton, W. A.; Jacobson, A. S. (1985).
331:
235:
1044:
439:
401:
301:
125:, he presented evidence from the HEAO-3 discoveries supporting the hypothesis of a
159:
Allan
Jacobson died at his home from heart failure. He was survived by his wife.
88:) with detectors flown on balloons and satellites. He led the development of the
889:
69:
660:
625:
122:
114:
431:
190:
669:
264:
93:
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Mahoney, W. A.; Ling, J. C.; Jacobson, A. S.; Lingenfelter, R. E. (1982).
117:
and thereby confirmed it as a black hole. At the June 1986 meeting of the
45:
138:
515:
Ling, J. C.; Mahoney, W. A.; Wheaton, Wm. A.; Jacobson, A. S. (1987).
393:
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97:
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195:(Donovan Blake Hicks (1937–2012) retired as president and CEO of
141:. He acquired an extensive personal library on military history.
85:
81:
64:, involved the design, construction, and balloon flight of a
952:. Greenbelt, Md.: NASA Goddard Space Flight Center. 1987.
842:
Peterson, L. E.; Matteson, J. L.; Pelling, M. R. (1994).
68:. The detector recorded radioactivity emanating from the
941:
Nucleosynthesis and astrophysical gamma ray spectroscopy
517:"Long-Term Gamma-Ray Spectral Variability of Cygnus X-1"
800:
109:. This detection provided evidence for ongoing stellar
482:"The Gamma-Ray Spectrum of the Galactic Center Region"
447:
Mahoney, W. A.; Ling, J. C.; Jacobson, A. S. (1984).
886:
HEASARCH (High Energy Astrophysics Science Archive)
312:
Nuclear Instruments and Methods in Physics Research
96:gamma-ray detectors. The HSRGS was launched aboard
684:Peterson, Laurence E.; Jacobson, Allan S. (1966).
620:
618:
616:
1067:(Search on year=1986 and nominating-unit=DAP.)
1003:"Dr. Jacobson Discoveries Present to the AAS"
603:Bulletin of the American Astronomical Society
8:
1098:University of California, Los Angeles alumni
1103:University of California, San Diego alumni
709:
686:"The Spectrum of Scorpius XR-1 to 50 KEV"
668:
540:
505:
449:"HEAO 3 observations of the Crab pulsar"
844:"High energy astronomy program at UCSD"
572:
592:
590:
588:
586:
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90:Gamma-ray Line Spectrometry Experiment
54:University of California, Los Angeles
7:
412:IEEE Transactions on Nuclear Science
171:IEEE Transactions on Nuclear Science
554:. Vol. 186. pp. 304–322.
58:University of California, San Diego
1123:People from Chattanooga, Tennessee
14:
1113:20th-century American astronomers
1108:Jet Propulsion Laboratory faculty
197:Ball Aerospace & Technologies
1118:20th-century American physicists
52:. He transferred in 1959 to the
599:"Allan S. Jacobson (1932–1997)"
245:Journal of Geophysical Research
216:Nuclear Instruments and Methods
1:
154:American Astronomical Society
119:American Astronomical Society
868:10.1016/0273-1177(94)90082-5
597:Mahoney, William A. (1932).
332:10.1016/0029-554X(81)91243-X
236:10.1016/0029-554X(75)90311-0
17:Allan Stanley "Bud" Jacobson
765:Canadian Journal of Physics
202:"Remembering Donovan Hicks"
1144:
965:"The states of Cygnus X-1"
848:Advances in Space Research
661:10.1103/PhysRevLett.16.142
552:AIP Conference Proceedings
1128:Scientists from Tennessee
1063:American Physical Society
1025:Communications of the ACM
1008:Jet Propulsion Laboratory
969:The Astrophysical Journal
905:The Astrophysical Journal
690:The Astrophysical Journal
521:The Astrophysical Journal
486:The Astrophysical Journal
453:The Astrophysical Journal
345:The Astrophysical Journal
146:American Physical Society
1093:American astrophysicists
432:10.1109/TNS.1984.4333264
191:10.1109/TNS.1974.4327458
148:. and also received the
50:Los Angeles City College
950:Essays in Space Science
641:Physical Review Letters
265:10.1029/JA082i010p01463
127:supermassive black hole
882:"The HEAO-3 Satellite"
29:gamma-ray spectroscopy
21:Chattanooga, Tennessee
1059:"APS Fellows Archive"
1037:10.1145/175276.175280
163:Selected publications
129:at the center of our
752:full text of article
62:Laurence E. Peterson
25:Altadena, California
981:1983ApJ...275..307L
917:1984ApJ...286..578M
860:1994AdSpR..14b.151P
812:1970PASP...82..412P
777:1968CaJPS..46..437P
739:1967AIAAJ...5.1921J
702:1966ApJ...145..962P
653:1966PhRvL..16..142P
533:1987ApJ...321L.117L
498:1985ApJ...294L..13R
465:1984ApJ...278..784M
424:1984ITNS...31..300V
386:1983Natur.305...37L
357:1982ApJ...262..742M
324:1981NIMPR.185..449M
286:1977Natur.270...36L
257:1977JGR....82.1463L
228:1975NucIM.127..115J
183:1974ITNS...21..169H
107:interstellar medium
943:by A. S. Jacobson"
66:germanium detector
771:(10): S437–S443.
733:(11): 1921–1927.
251:(10): 1463–1473.
150:Bruno Rossi Prize
105:occurring in the
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318:(1–3): 449–458.
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294:10.1038/270036a0
268:
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206:Space Foundation
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131:Milky Way Galaxy
42:military history
19:(June 18, 1932,
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111:nucleosynthesis
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23:– May 6, 1997,
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15:
1088:1997 deaths
1083:1932 births
70:Crab Nebula
1077:Categories
854:(2): 151.
568:References
123:Ames, Iowa
115:Cygnus X-1
828:121633184
152:from the
121:(AAS) in
94:germanium
46:war games
35:Biography
1045:28807983
527:: L117.
440:25245980
139:wargames
977:Bibcode
975:: 307.
913:Bibcode
911:: 578.
856:Bibcode
808:Bibcode
773:Bibcode
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696:: 962.
649:Bibcode
529:Bibcode
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492:: L13.
461:Bibcode
459:: 784.
420:Bibcode
402:4329896
382:Bibcode
353:Bibcode
351:: 742.
320:Bibcode
302:4175385
282:Bibcode
253:Bibcode
224:Bibcode
179:Bibcode
84:to few
1043:
826:
438:
400:
374:Nature
300:
274:Nature
98:HEAO-3
1041:S2CID
946:(PDF)
824:S2CID
436:S2CID
398:S2CID
298:S2CID
77:OSO 7
832:1970
609:(4).
44:and
1033:doi
985:doi
973:275
921:doi
909:286
864:doi
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694:145
665:hdl
657:doi
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525:321
502:doi
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428:doi
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378:305
361:doi
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328:doi
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290:doi
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187:doi
86:MeV
82:keV
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