284:
341:
38:
94:
71:
51:
162:
257:
710:
626:
998:
662:
698:
686:
190:
169:
638:
674:
449:. containing the main instrument. The side wings contained residences for the director, the observer as well as assistants. To secure the best possible foundation of the instruments, the foundation of the building rests on the original, true ground surface, penetrating the entire depth of the ramparts on which the building stands. This took 1/3 of the bricks used for the entire complex.
650:
434:
315:, and discovered, for the first time, the differences in the evolutionary state and spatial distribution of stars. While d'Arrest used the main telescope, observer H. C. F. C. Schjellerup used the Meridian circle for creating one of the most comprehensive astronomical catalogues of the time of stars of the 8th-9th
457:
The original main instrument of the observatory, housed in the dome, was a 280 mm refractor with a focal distance of 4.9 m. In 1895, this telescope was replaced by a 360 mm refractor with a focal length of 4.9 m and a 200 mm photographic lens with a focal length of 4.8 m. The purchase
458:
of the double refractor enabled the observatory to participate in photographic observations without having to give up visual observations. This double refractor is still found in the dome of the Østervold
Observatory, while the 1861 refractor is displayed at the Steno Museum in
864:
854:
786:
849:
276:, but during the early 19th century had become outdated as astronomical instruments grew bigger and bigger while the tower could not be expanded. In the same time,
844:
869:
1148:
948:
303:, who had been appointed professor in astronomy at the university in 1857, was chosen to plan the new observatory. He used the observatory for his study of
874:
806:
742:
839:
394:(the relation between the total energy output from a star and its surface temperature was independently found by the Danish chemist and astronomer
292:
280:
from the surrounding city as well as vibrations caused by the still increasing traffic in the streets below had made the observations inaccurate.
1158:
1153:
1032:
938:
1143:
829:
791:
859:
811:
801:
296:
1104:
1099:
356:
124:
193:
1138:
1042:
1037:
917:
796:
1027:
943:
735:
17:
368:
974:
161:
879:
502:
907:
1094:
728:
337:
was appointed professor and director of the observatory, and under his direction the computational work continued.
577:
283:
391:
367:, Germany, to the Østervold Observatory. It remained located in Copenhagen until 1965, when it was moved to the
403:
609:
1109:
442:
299:
of the city, which had become outdated and were being abandoned. The well-known
Russian-German astronomer,
117:
964:
330:. He founded the tradition for numerical computational mathematics, which has lasted up to modern times.
87:
834:
616:
532:
471:
360:
300:
244:(Københavns Universitet). It opened in 1861 as a replacement for the university's old observatory at
109:
82:
766:
751:
372:
345:
241:
64:
902:
93:
70:
979:
578:"Science is not national, but scientists are': International 20th century and Danish astronomers"
105:
969:
1078:
556:
497:
410:
340:
912:
422:
399:
308:
8:
1068:
1063:
690:
37:
884:
678:
666:
476:
323:
316:
486:
379:
922:
418:
395:
387:
481:
334:
1058:
702:
642:
50:
326:, a skilful mathematician who developed a new method of determining the orbit of
277:
220:
441:
The Østervold
Observatory is a south-facing, three-winged building, designed by
264:
The first astronomical observatory operated by the
University of Copenhagen was
714:
630:
1132:
256:
139:
126:
720:
654:
312:
507:
265:
245:
352:
327:
273:
269:
233:
311:
of 1,942 nebulas with 4,900 positions. He also did significant work in
237:
709:
604:
202:
230:
414:
1073:
997:
383:
459:
421:
with a camera that used photographic film. It houses a 300 double
390:. He was also the first to make the correct interpretation of the
697:
304:
189:
417:, which was provided with a very fine meridian circle and a
409:
In the 1950s, the Østervold
Observatory was replaced by the
446:
364:
649:
433:
865:
Center for the
Philosophy of Nature and Science Studies
268:. It had been inaugurated in 1642 as a replacement for
614:
295:, where a new observatory was constructed on the old
406:photoelectric system, which is still in use today.
322:The next director of the Østervold Observatory was
535:. Danmarks Natur- og Lægevidenskabelige Bibliotek
378:In 1940 Ellis Strömgren was succeeded by his son
1130:
949:School of Veterinary Medicine and Animal Science
551:
549:
226:Københavns Universitet Astronomisk Observatorium
939:Royal School of Library and Information Science
319:: 10,000 positions on 259 observation nights.
736:
557:"Centuries of Astronomy Astronomy in Denmark"
546:
168:
1149:Buildings and structures in Copenhagen parks
855:Department of Nutrition, Exercise and Sports
750:
605:History of Copenhagen University Observatory
527:
525:
523:
1105:University of Copenhagen Geological Museum
743:
729:
92:
69:
49:
36:
1100:University of Copenhagen Botanical Garden
382:, who made the pioneering discovery that
357:Central Bureau for Astronomical Telegrams
520:
432:
339:
282:
255:
918:University of Copenhagen Arctic Station
14:
1159:Minor-planet discovering observatories
1154:Historicist architecture in Copenhagen
1131:
787:Faculty of Health and Medical Sciences
344:The dome of the observatory seen from
1144:Astronomical observatories in Denmark
1009:
764:
724:
369:Smithsonian Astrophysical Observatory
291:In 1861 the observatory was moved to
240:, Denmark owned and operated by the
386:is the most abundant element in the
850:Department of Mathematical Sciences
24:
503:List of astronomical observatories
445:. The central wing is topped by a
48:Copenhagen University Observatory
25:
1170:
1095:Natural History Museum of Denmark
944:School of Pharmaceutical Sciences
880:Søren Kierkegaard Research Center
598:
402:). Around 1950, he developed the
217:Copenhagen University Observatory
177:Location of Østervold Observatory
996:
708:
696:
684:
672:
660:
648:
636:
624:
188:
167:
160:
908:Hans Christian Ørsted Institute
1139:1861 establishments in Denmark
1010:
975:Master of International Health
845:Department of Computer Science
570:
452:
13:
1:
870:Center for Planetary Research
765:
513:
465:
425:with a focal depth of 4.9m.
398:and the American astronomer
7:
875:Center for Protein Research
491:
428:
392:Hertzsprung–Russell diagram
287:The dome of the observatory
10:
1175:
807:Faculty of Social Sciences
361:Astronomische Gesellschaft
251:
1087:
1051:
1020:
1016:
1005:
994:
957:
931:
893:
820:
779:
775:
760:
437:Østervold ObservatoryWium
413:located near the town of
199:
186:
155:
116:
110:Capital Region of Denmark
101:
81:
57:
44:
35:
753:University of Copenhagen
363:in 1882, was moved from
346:Rosenborg Castle Gardens
307:, in 1867 publishing an
297:bastioned fortifications
242:University of Copenhagen
194:Related media on Commons
65:University of Copenhagen
980:Museum Tusculanum Press
965:Copenhagen–Tartu school
840:Department of Chemistry
472:Heinrich Louis d'Arrest
301:Heinrich Louis d'Arrest
140:55.686883°N 12.575919°E
106:Copenhagen Municipality
1052:Historical dormitories
438:
348:
309:astronomical catalogue
288:
261:
224:
45:Alternative names
18:Copenhagen Observatory
1079:Valkendorfs Kollegium
903:Arnamagnæan Institute
835:Department of Biology
830:Bioinformatics Centre
792:Faculty of Humanities
498:Brorfelde Observatory
436:
411:Brorfelde Observatory
343:
286:
260:Østervold Observatory
259:
213:Østervold Observatory
83:Observatory code
31:Østervold Observatory
1033:Frederiksberg Campus
913:Niels Bohr Institute
400:Henry Norris Russell
145:55.686883; 12.575919
1069:Hassagers Kollegium
860:Nano-Science Center
812:Faculty of Theology
136: /
32:
885:Cosmic Dawn Center
802:Faculty of Science
477:Thorvald N. Thiele
439:
349:
324:Thorvald N. Thiele
289:
262:
236:(IAU code 035) in
30:
1126:
1125:
1122:
1121:
1118:
1117:
992:
991:
988:
987:
923:Urban Culture Lab
419:Schmidt telescope
396:Ejnar Hertzsprung
375:, United States.
210:
209:
16:(Redirected from
1166:
1064:Elers' Kollegium
1059:Borchs Kollegium
1018:
1017:
1007:
1006:
1000:
777:
776:
769:
762:
761:
754:
745:
738:
731:
722:
721:
713:
712:
701:
700:
689:
688:
687:
677:
676:
675:
665:
664:
663:
653:
652:
641:
640:
639:
629:
628:
627:
620:
592:
591:
589:
588:
582:
574:
568:
567:
565:
564:
559:. Erling Poulsen
553:
544:
543:
541:
540:
529:
443:Christian Hansen
388:stellar interior
203:edit on Wikidata
192:
171:
170:
164:
151:
150:
148:
147:
146:
141:
137:
134:
133:
132:
129:
97:
96:
74:
73:
53:
40:
33:
29:
21:
1174:
1173:
1169:
1168:
1167:
1165:
1164:
1163:
1129:
1128:
1127:
1114:
1110:Medical Museion
1083:
1047:
1012:
1001:
984:
953:
927:
895:
889:
822:
816:
771:
767:
756:
752:
749:
719:
707:
695:
685:
683:
673:
671:
661:
659:
647:
637:
635:
625:
623:
615:
601:
596:
595:
586:
584:
580:
576:
575:
571:
562:
560:
555:
554:
547:
538:
536:
531:
530:
521:
516:
494:
487:Bengt Strömgren
484:
479:
474:
468:
455:
431:
380:Bengt Strömgren
278:light pollution
254:
206:
182:
181:
180:
179:
178:
174:
173:
172:
144:
142:
138:
135:
130:
127:
125:
123:
122:
91:
77:
68:
28:
23:
22:
15:
12:
11:
5:
1172:
1162:
1161:
1156:
1151:
1146:
1141:
1124:
1123:
1120:
1119:
1116:
1115:
1113:
1112:
1107:
1102:
1097:
1091:
1089:
1085:
1084:
1082:
1081:
1076:
1071:
1066:
1061:
1055:
1053:
1049:
1048:
1046:
1045:
1040:
1035:
1030:
1024:
1022:
1014:
1013:
1003:
1002:
995:
993:
990:
989:
986:
985:
983:
982:
977:
972:
967:
961:
959:
955:
954:
952:
951:
946:
941:
935:
933:
929:
928:
926:
925:
920:
915:
910:
905:
899:
897:
894:Institutes and
891:
890:
888:
887:
882:
877:
872:
867:
862:
857:
852:
847:
842:
837:
832:
826:
824:
818:
817:
815:
814:
809:
804:
799:
797:Faculty of Law
794:
789:
783:
781:
773:
772:
758:
757:
748:
747:
740:
733:
725:
718:
717:
705:
693:
681:
669:
657:
645:
633:
613:
612:
607:
600:
599:External links
597:
594:
593:
569:
545:
518:
517:
515:
512:
511:
510:
505:
500:
493:
490:
482:Elis Strömgren
467:
464:
454:
451:
430:
427:
335:Elis Strömgren
253:
250:
229:) is a former
208:
207:
200:
197:
196:
184:
183:
176:
175:
166:
165:
159:
158:
157:
156:
153:
152:
120:
114:
113:
103:
99:
98:
85:
79:
78:
76:
75:
61:
59:
55:
54:
46:
42:
41:
26:
9:
6:
4:
3:
2:
1171:
1160:
1157:
1155:
1152:
1150:
1147:
1145:
1142:
1140:
1137:
1136:
1134:
1111:
1108:
1106:
1103:
1101:
1098:
1096:
1093:
1092:
1090:
1086:
1080:
1077:
1075:
1072:
1070:
1067:
1065:
1062:
1060:
1057:
1056:
1054:
1050:
1044:
1041:
1039:
1036:
1034:
1031:
1029:
1026:
1025:
1023:
1019:
1015:
1008:
1004:
999:
981:
978:
976:
973:
971:
968:
966:
963:
962:
960:
956:
950:
947:
945:
942:
940:
937:
936:
934:
930:
924:
921:
919:
916:
914:
911:
909:
906:
904:
901:
900:
898:
892:
886:
883:
881:
878:
876:
873:
871:
868:
866:
863:
861:
858:
856:
853:
851:
848:
846:
843:
841:
838:
836:
833:
831:
828:
827:
825:
819:
813:
810:
808:
805:
803:
800:
798:
795:
793:
790:
788:
785:
784:
782:
778:
774:
770:
763:
759:
755:
746:
741:
739:
734:
732:
727:
726:
723:
716:
711:
706:
704:
699:
694:
692:
682:
680:
670:
668:
658:
656:
651:
646:
644:
634:
632:
622:
621:
618:
611:
608:
606:
603:
602:
579:
573:
558:
552:
550:
534:
528:
526:
524:
519:
509:
506:
504:
501:
499:
496:
495:
489:
488:
483:
478:
473:
463:
461:
450:
448:
444:
435:
426:
424:
420:
416:
412:
407:
405:
401:
397:
393:
389:
385:
381:
376:
374:
370:
366:
362:
359:, founded by
358:
354:
347:
342:
338:
336:
331:
329:
325:
320:
318:
314:
310:
306:
302:
298:
294:
285:
281:
279:
275:
271:
267:
258:
249:
247:
243:
239:
235:
232:
228:
227:
222:
218:
214:
204:
198:
195:
191:
185:
163:
154:
149:
121:
119:
115:
111:
107:
104:
100:
95:
89:
86:
84:
80:
72:
66:
63:
62:
60:
56:
52:
47:
43:
39:
34:
19:
1043:South Campus
1038:North Campus
896:laboratories
691:Solar System
585:. Retrieved
572:
561:. Retrieved
537:. Retrieved
469:
456:
440:
408:
377:
350:
332:
328:Binary stars
321:
313:spectroscopy
290:
263:
231:astronomical
225:
216:
212:
211:
58:Organization
1028:City Campus
823:departments
821:Centres and
679:Outer space
667:Spaceflight
533:"Østervold"
485:1940–1951.
480:1907-1940:
475:1875-1907:
470:1862-1875:
453:Instruments
353:World War I
274:Stjerneborg
270:Tycho Brahe
234:observatory
143: /
118:Coordinates
27:Observatory
1133:Categories
1011:University
587:2009-08-09
563:2009-08-03
539:2009-08-03
514:References
238:Copenhagen
131:12°34′33″E
128:55°41′13″N
780:Faculties
768:Academics
703:Education
643:Astronomy
508:Rundetårn
466:Directors
423:reflector
373:Cambridge
333:In 1907,
317:magnitude
293:Østervold
266:Rundetårn
246:Rundetårn
112:, Denmark
1074:Regensen
1021:Campuses
583:. ICESHS
492:See also
429:Building
384:hydrogen
102:Location
1088:Museums
932:Schools
715:Science
631:Denmark
617:Portals
351:During
305:nebulas
252:History
610:Coords
415:Holbæk
355:, the
221:Danish
187:
90:
67:
970:TOPPS
958:Other
655:Stars
581:(PDF)
460:Århus
404:uvbyß
201:[
462:. c
447:dome
365:Kiel
215:(or
272:'s
88:035
1135::
548:^
522:^
371:,
248:.
223::
219:;
108:,
744:e
737:t
730:v
619::
590:.
566:.
542:.
205:]
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
