225:
31:
186:, constructing apparatus and assisting with demonstrations during lectures. He found this so interesting that at the age of 30 he enrolled as an undergraduate in mathematics and physics. He stayed at the university until 1903, doing research on color photography.
811:
623:
224:
806:
816:
831:
205:, and performed the first detailed analysis of galactic structure. His mechanical background was very useful for constructing various instruments. He became first director of the
826:
404:
801:
821:
270:
246:
155:
791:
696:
292:
666:
593:
796:
537:
567:
563:
253:
206:
139:
503:
311:
710:
476:
54:
597:
533:
356:
298:
159:
80:
649:
507:
210:
229:
674:
249:
in 1963, thereby making the
Plasketts one of the very few families to boast more than one Medal winner.
242:
183:
252:
An authoritative biography of JS Plaskett was published in 2018, coinciding with the centennial of the
786:
781:
458:
395:
214:
202:
190:
762:
752:
743:
601:
433:
288:
350:
189:
His formal astronomical career did not start until 1903, when he was appointed to the staff at
690:
328:
446:
571:
413:
228:
Plaskett at the Fourth
Conference International Union for Cooperation in Solar Research at
653:
198:
194:
462:
447:"Presidential Address on the Award of the Gold Medal to Professor Harry Hemley Plaskett"
109:
30:
178:
He worked as a machinist, and was offered a job as a mechanician at the
Department of
775:
511:
344:
276:
714:
282:
102:
58:
482:
167:
380:
Rice, Hugh S. (1976). "Plaskett, John
Stanley". In William D. Halsey (ed.).
164:
129:
92:
541:
418:
399:
646:
384:. Vol. 19. New York: Macmillan Educational Corporation. p. 128.
179:
218:
245:, also pursued a very successful career in astronomy, winning the
223:
332:
812:
Recipients of the Gold Medal of the Royal
Astronomical Society
504:"Winners of the Gold Medal of the Royal Astronomical Society"
647:
NRC-HIA Plaskett
Fellowship / Bourse Plaskett de l'IHA-CNRC
807:
Canadian
Commanders of the Order of the British Empire
564:"Past Winners of the Catherine Wolfe Bruce Gold Medal"
355:
Plaskett Place (street on which he built his home, in
451:
Quarterly
Journal of the Royal Astronomical Society
163:(November 17, 1865 – October 17, 1941) was a
135:
125:
98:
88:
65:
40:
21:
817:Persons of National Historic Significance (Canada)
405:Obituary Notices of Fellows of the Royal Society
832:Members of the American Philosophical Society
481:. University of Toronto Press. Archived from
8:
271:Gold Medal of the Royal Astronomical Society
247:Gold Medal of the Royal Astronomical Society
29:
18:
417:
375:
373:
213:in 1917 (not to be confused with the old
827:Fellows of the American Physical Society
369:
802:Fellows of the Royal Society of Canada
695:: CS1 maint: archived copy as title (
688:
534:"Past Recipients of the Rumford Prize"
822:Canadian fellows of the Royal Society
538:American Academy of Arts and Sciences
7:
310:Elected International Member of the
568:Astronomical Society of the Pacific
656:at plaskett.hia-iha.nrc-cnrc.gc.ca
400:"John Stanley Plaskett. 1865-1941"
254:Dominion Astrophysical Observatory
207:Dominion Astrophysical Observatory
140:Dominion Astrophysical Observatory
14:
792:20th-century Canadian astronomers
312:American Philosophical Society
1:
436:, October 16, 2004; page F-10
797:University of Toronto alumni
598:National Academy of Sciences
475:Broughton, R. Peter (2018).
347:(with his son H.H. Plaskett)
293:National Academy of Sciences
478:Northern Star:J.S. Plaskett
357:Esquimalt, British Columbia
324:NRC-HIA Plaskett Fellowship
81:Esquimalt, British Columbia
848:
508:Royal Astronomical Society
211:Victoria, British Columbia
145:
118:
28:
230:Mount Wilson Observatory
419:10.1098/rsbm.1942.0007
382:Collier's Encyclopedia
233:
203:spectroscopic binaries
671:geonames2.nrcan.gc.ca
243:Harry Hemley Plaskett
227:
184:University of Toronto
152:John Stanley Plaskett
23:John Stanley Plaskett
628:search.amphilsoc.org
624:"APS Member History"
594:"Henry Draper Medal"
544:on 27 September 2012
215:Dominion Observatory
191:Dominion Observatory
463:1963QJRAS...4..176.
16:Canadian astronomer
652:2008-06-23 at the
604:on 26 January 2013
434:The Globe and Mail
340:the Plaskett Medal
289:Henry Draper Medal
234:
432:"Died this day",
237:Family and legacy
199:radial velocities
149:
148:
120:Scientific career
44:November 17, 1865
839:
726:
725:
723:
722:
713:. Archived from
707:
701:
700:
694:
686:
684:
682:
673:. Archived from
663:
657:
644:
638:
637:
635:
634:
620:
614:
613:
611:
609:
600:. Archived from
590:
584:
583:
581:
579:
570:. Archived from
560:
554:
553:
551:
549:
540:. Archived from
530:
524:
523:
521:
519:
510:. Archived from
500:
494:
493:
491:
490:
472:
466:
465:
443:
437:
430:
424:
423:
421:
392:
386:
385:
377:
162:
114:
107:
76:
74:
69:October 17, 1941
51:
49:
35:Plaskett in 1917
33:
19:
847:
846:
842:
841:
840:
838:
837:
836:
772:
771:
759:(one paragraph)
740:
735:
730:
729:
720:
718:
709:
708:
704:
687:
680:
678:
667:"Archived copy"
665:
664:
660:
654:Wayback Machine
645:
641:
632:
630:
622:
621:
617:
607:
605:
592:
591:
587:
577:
575:
574:on 21 July 2011
562:
561:
557:
547:
545:
532:
531:
527:
517:
515:
502:
501:
497:
488:
486:
474:
473:
469:
445:
444:
440:
431:
427:
394:
393:
389:
379:
378:
371:
366:
351:Plaskett's star
321:
319:Named after him
307:
267:
262:
239:
195:Ottawa, Ontario
176:
154:
112:
108:
105:
84:
78:
72:
70:
61:
52:
47:
45:
36:
24:
17:
12:
11:
5:
845:
843:
835:
834:
829:
824:
819:
814:
809:
804:
799:
794:
789:
784:
774:
773:
770:
769:
760:
750:
739:
736:
734:
733:External links
731:
728:
727:
702:
677:on 14 May 2011
658:
639:
615:
585:
555:
525:
514:on 25 May 2011
495:
467:
438:
425:
387:
368:
367:
365:
362:
361:
360:
353:
348:
341:
338:
337:Mount Plaskett
335:
325:
320:
317:
316:
315:
306:
303:
302:
301:
296:
286:
280:
274:
266:
263:
261:
258:
238:
235:
197:. He measured
175:
172:
147:
146:
143:
142:
137:
133:
132:
127:
123:
122:
116:
115:
110:Flavelle Medal
100:
96:
95:
90:
86:
85:
79:
77:(aged 75)
67:
63:
62:
53:
42:
38:
37:
34:
26:
25:
22:
15:
13:
10:
9:
6:
4:
3:
2:
844:
833:
830:
828:
825:
823:
820:
818:
815:
813:
810:
808:
805:
803:
800:
798:
795:
793:
790:
788:
785:
783:
780:
779:
777:
768:
766:
761:
758:
756:
751:
749:
747:
742:
741:
737:
732:
717:on 2009-05-14
716:
712:
706:
703:
698:
692:
676:
672:
668:
662:
659:
655:
651:
648:
643:
640:
629:
625:
619:
616:
603:
599:
595:
589:
586:
573:
569:
565:
559:
556:
543:
539:
535:
529:
526:
513:
509:
505:
499:
496:
485:on 2019-05-01
484:
480:
479:
471:
468:
464:
460:
457:: 176. 1963.
456:
452:
448:
442:
439:
435:
429:
426:
420:
415:
412:(11): 67–69.
411:
407:
406:
401:
397:
391:
388:
383:
376:
374:
370:
363:
358:
354:
352:
349:
346:
345:2905 Plaskett
342:
339:
336:
334:
330:
326:
323:
322:
318:
313:
309:
308:
304:
300:
297:
294:
290:
287:
284:
281:
278:
277:Rumford Prize
275:
272:
269:
268:
264:
259:
257:
255:
250:
248:
244:
236:
231:
226:
222:
220:
216:
212:
208:
204:
200:
196:
192:
187:
185:
181:
173:
171:
169:
166:
161:
157:
153:
144:
141:
138:
134:
131:
128:
124:
121:
117:
111:
104:
101:
97:
94:
91:
87:
82:
68:
64:
60:
56:
43:
39:
32:
27:
20:
764:
754:
745:
719:. Retrieved
715:the original
705:
679:. Retrieved
675:the original
670:
661:
642:
631:. Retrieved
627:
618:
606:. Retrieved
602:the original
588:
576:. Retrieved
572:the original
558:
546:. Retrieved
542:the original
528:
516:. Retrieved
512:the original
498:
487:. Retrieved
483:the original
477:
470:
454:
450:
441:
428:
409:
403:
396:Jones, H. S.
390:
381:
251:
240:
201:and studied
188:
177:
151:
150:
136:Institutions
119:
787:1941 deaths
782:1865 births
608:24 February
578:24 February
548:24 February
518:24 February
327:The crater
283:Bruce Medal
103:Bruce Medal
89:Citizenship
59:Canada West
776:Categories
767:(1941) 323
757:(1941) 183
738:Obituaries
721:2009-09-08
633:2023-07-10
489:2019-05-01
364:References
168:astronomer
73:1941-10-18
48:1865-11-17
748:(1942) 70
343:Asteroid
291:from the
241:His son,
130:Astronomy
691:cite web
650:Archived
398:(1942).
329:Plaskett
165:Canadian
93:Canadian
83:, Canada
711:"CASCA"
459:Bibcode
331:on the
260:Honours
182:at the
180:Physics
71: (
55:Hickson
46: (
744:MNRAS
681:22 May
314:(1930)
305:Honors
295:(1934)
285:(1932)
279:(1930)
273:(1930)
265:Awards
232:, 1910
219:Ottawa
174:Career
126:Fields
113:(1932)
106:(1932)
99:Awards
763:PASP
158:
753:Obs
697:link
683:2022
610:2011
580:2011
550:2011
520:2011
333:Moon
66:Died
41:Born
746:102
414:doi
299:CBE
221:).
217:in
209:in
193:in
160:FRS
156:CBE
778::
765:53
755:64
693:}}
689:{{
669:.
626:.
596:.
566:.
536:.
506:.
453:.
449:.
408:.
402:.
372:^
256:.
170:.
57:,
724:.
699:)
685:.
636:.
612:.
582:.
552:.
522:.
492:.
461::
455:4
422:.
416::
410:4
359:)
75:)
50:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
