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Current system
20565+4333
BRT 1139


Nearby doubles
4' : 20568+4335
BRT1957

13' : 20559+4345
COU2543

17' : 20553+4322
LDS2468

18' : 20573+4319
ES 1450

24' : 20584+4326
ES 1451

26' : 20564+4308
COU2544

29' : 20590+4330
LDS2476

34' : 20595+4339
LDS2478

34' : 20535+4328
LDS2465

39' : 20598+4321
LDS2479

40' : 20584+4303
ES 1575

41' : 20568+4254
ENG 77AB

44' : 20590+4259
LDS2475

48' : 20592+4257
ES 1576

48' : 20524+4314
LDS2462

50' : 20520+4346
STT 416AB

52' : 20556+4243
BRT2282

52' : 20530+4258
COU2542

55' : 20519+4309
GRV 389

55' : 20578+4425
LDS2474

55' : 20517+4317
LDS2461

59' : 20583+4428
RBR 50

61' : 20532+4423
LSC 94

61' : 20569+4233
GRV 399

64' : 21015+4301
TDT2698

65' : 20553+4231
STT 423



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20565+4333 BRT 1139

 
 
20h 56m 26.06s +43° 33' 37.0" P.A. 175.00 sep 3.6 mag 12.07,12.10
 
 
Coord 2000 20565+4333 Discov num BRT1139 Comp Coord arcsec 2000 20 56 26.06 +43 33 37.0
Date first 1892 Date last 2016 Obs 9
Pa first 166 Pa last 175.3 P.A. Now (θ) 175.3°
Sep first 2.7 Sep last 3.6 Sep. Now (ρ) 3.6"
Mag pri 12.07 Mag sec 12.10 delta mag (ΔM) 0.03 Spectral class
Pri motion ra +019 Sec motion ra +026
Pri motion dec +100 Sec motion dec -019
Notes
rPM=1.171
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3179-00680-1 Gaia DR2 2162096952108069376
 
 
WDS 20565+4333 BRT 1139 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Brt1926a Pa - Barton, S.G. 1926AJ.....36..155B
Brt1926a AJ 36, 155, 1926 (BRT 1 - BRT 62)
Brt1926b Pa j Barton, S.G. 1926AJ.....37...57B
Brt1926b AJ 37, 57, 1926 (BRT 63 - BRT 116)
Brt1928 Pa - Barton, S.G. 1928AJ.....38..168B
Brt1928 AJ 38, 168, 1928 (BRT 117 - BRT 230)
Brt1929a Pa - Barton, S.G. 1929AN....235..425B
Brt1929a AN 235, 425, 1929 (BRT 294 - BRT 322)
Brt1929b Pa - Barton, S.G. 1929AJ.....39...93B
Brt1929b AJ 39, 93, 1929 (BRT 231 - BRT 293)
Brt1929c Ma j Barton, S.G. 1929AJ.....39..120B
Brt1929c AJ 39, 120, 1929
Brt1930 Pa - Barton, S.G. 1930AJ.....40..181B
Brt1930 AJ 40, 181, 1930 (BRT 323 - BRT 348)
Brt1931 Pa - Barton, S.G. (BRT 349 - BRT 562) 1931AJ.....41...35B
Brt1931 AJ 41, 35, 1931 (no measures for BRT 529 - BRT 562)
Brt1932a Pa - Barton, S.G. 1932AJ.....42...93B
Brt1932a AJ 42, 93, 1932 (BRT 604 - BRT 636)
Brt1932b Ma - Barton, S.G. 1932PFAO....5a...1B
Brt1932b +Pa Pub. Univ. Penn. 5, Pt.1, Sec.2, 1932 (BRT 563 - BRT 603, BRT1928, etc.)
Brt1932C Ma - Barton, S.G. 1932QB821.A43......
Brt1932C cited in ADS (Aitken Double Star Cat.), 1932
Brt1933 Pa - Barton, S.G. 1933AN....250...49B
Brt1933 AN 250, 49, 1933
Brt1933 (BRT 637 - BRT1134; very approximate dates added for pairs listed with only
Brt1933 secondary magnitudes and no astrometry)
Brt1934 Pa - Barton, S.G. 1934AJ.....43..119B
Brt1934 +Ma AJ 43, 119, 1934
Brt1935a Pa - Barton, S.G. 1935AJ.....44..105B
Brt1935a +Ma AJ 44, 105, 1935
Brt1935b Pa - Barton, S.G. 1935AN....256..357B
Brt1935b AN 256, 357, 1935
Brt1936a Ma - Barton, S.G. 1936AJ.....45...33B
Brt1936a +Pa AJ 45, 33, 1936
Brt1936b Pa - Barton, S.G. 1936AJ.....45...99B
Brt1936b +Ma AJ 45, 99, 1936
Brt1937a Pa - Barton, S.G. 1937AN....263..347B
Brt1937a AN 263, 347, 1937
Brt1937b Pa - Barton, S.G. 1937AN....263..383B
Brt1937b AN 263, 383, 1937
Brt1938 Ma - Barton, S.G. 1938AJ.....47..133B
Brt1938 +Pa AJ 47, 133, 1938
Brt1939a Ma - Barton, S.G. 1939PFAO....5b...1B
Brt1939a +Pa Pub. Univ. Penn. 5, Pt.2, Sec.2, 1939
Brt1939b Pa - Barton, S.G. 1939AJ.....48..145B
Brt1939b +Ma AJ 48, 145, 1939
Brt1941 Pa - Barton, S.G. 1941PASP...55..339B
Brt1941 PASP 55, 339, 1941
Brt1942 Pa - Barton, S.G. 1942AJ.....50...11B
Brt1942 AJ 50, 11, 1942
Brt1947 Ma - Barton, S.G. 1947AJ.....52..178B
Brt1947 +Pa AJ 52, 178, 1947
Brt1949 Ma - Barton, S.G. 1949PFAO....7a...1B
Brt1949 Pub. Univ. Penn. 7, Pt.1, Sec.1, 1949
Brt1951 Pa - Barton, S.G. 1951AJ.....55..218B
Brt1951 AJ 55, 218, 1951
Brt1957 Ma - Barton, S.G. 1957QB4.P5v7ps3....
Brt1957 Pub. Univ. Penn. 7, Pt.3, 15, 1957
Brt9999 Ma - Barton, S.G. ...................
Brt9999 +Pa Unpublished, manuscript or reference not found.
Brt2002A Ma - Barton, S.G. 2002yCat.1275....0D
Brt2002A +Pa cited in CCDM
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20565+4333 BRT1139 2000 4 175 3.6 12.07 12.10 D 205626.06+433337.0
20565+4333 BRT1139 2002 5 176 3.6 12.07 12.10 D 205626.06+433337.0
20565+4333 BRT1139 2016 7 175 3.6 12.07 12.10 205626.06+433337.0

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20565+4333 BRT 1139 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20565+4333 BRT 1139 : MEASURES
 
 
No records found.

 
 
WDS 20565+4333 : VIRTUAL EYEPIECE
 
 

20565+4333 BRT1139A mag 12.07 20565+4333 BRT1139B sep 3.6 P.A. 176.60 mag 12.1 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20565+4333 : ALADIN DSS IMAGE @ 20h 56m 26.06s +43° 33' 37.0"
 
 
 
 
WDS 20565+4333 BRT 1139 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20565+4333 BRT1139 distance=0' 20568+4335 BRT1957 distance=4' 20559+4345 COU2543 distance=13' 20553+4322 LDS2468 distance=17' 20573+4319 ES 1450 distance=18' 20584+4326 ES 1451 distance=24' 20564+4308 COU2544 distance=26' 20590+4330 LDS2476 distance=29' 20595+4339 LDS2478 distance=34' 20535+4328 LDS2465 distance=34' 20568+4254 ENG 77CD distance=39' 20568+4254 ENG 77BC distance=39' 20598+4321 LDS2479 distance=39' 20584+4303 ES 1575 distance=40' 20568+4254 ENG 77AB distance=41' 20568+4254 ENG 77AC distance=41' 20590+4259 LDS2475 distance=44' 20592+4257 ES 1576 distance=48' 20524+4314 LDS2462 distance=48' 20520+4346 SKF2740BC distance=50' 20520+4346 STT 416AB distance=50' 20556+4243 BRT2282 distance=52' 20530+4258 COU2542 distance=52' 20519+4309 GRV 389 distance=55' 20578+4425 LDS2474 distance=55' 20517+4317 LDS2461 distance=55' 20583+4428 RBR 50 distance=59' 20532+4423 LSC 94 distance=61' 20569+4233 GRV 399 distance=61' 21015+4301 TDT2698 distance=64' 20553+4231 STT 423 distance=65' 20567+4439 BRT2283 distance=65' 20596+4432 LDS2477 distance=66' 21018+4411 HO 600 distance=70' 20512+4415 CHN 31 distance=70' 20525+4430 BRT2279 distance=71' 20574+4443 LDS2473 distance=71' 20579+4442 COU2649 distance=71' 20563+4447 ES 675AB distance=74' 20565+4447 TOB 203 distance=74' 20563+4447 ES 675BC distance=74' 20538+4443 LDS5914 distance=75' 20558+4448 ES 674 distance=75' 20501+4404 STT 595AB distance=75' 20501+4404 STG 9AC distance=75' 20501+4404 FYM 92AD distance=75' 20501+4404 FYM 92AE distance=75' 20501+4404 FYM 92AF distance=75' 20550+4219 LDS2467 distance=77' 20509+4421 CHN 30AB distance=77' 20509+4421 CHN 30Aa,Ab distance=77' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20565+4333 BRT1139 175 3.6
Show 20568+4335 BRT1957 177 1.1 4
Show 20559+4345 COU2543 222 1.6 13
Show 20553+4322 LDS2468 107 60.0 17
Show 20573+4319 ES 1450 162 4.7 18
Show 20584+4326 ES 1451 101 8.6 24
Show 20564+4308 COU2544 160 0.4 26
Show 20590+4330 LDS2476 65 3.0 29
Show 20595+4339 LDS2478 125 2.2 34
Show 20535+4328 LDS2465 41 12.1 34
Show 20568+4254 ENG 77 CD 356 92.9 39
Show 20568+4254 ENG 77 BC 69 102.7 39
Show 20598+4321 LDS2479 287 2.0 39
Show 20584+4303 ES 1575 356 5.3 40
Show 20568+4254 ENG 77 AB 328 100.0 41
Show 20568+4254 ENG 77 AC 17 125.8 41
Show 20590+4259 LDS2475 90 12.2 44
Show 20592+4257 ES 1576 350 3.7 48
Show 20524+4314 LDS2462 265 39.5 48
Show 20520+4346 SKF2740 BC 192 73.4 50
Show 20520+4346 STT 416 AB 117 9.6 50
Show 20556+4243 BRT2282 276 2.5 52
Show 20530+4258 COU2542 199 0.1 52
Show 20519+4309 GRV 389 190 61.9 55
Show 20578+4425 LDS2474 235 14.5 55
Show 20517+4317 LDS2461 217 32.6 55
Show 20583+4428 RBR 50 76 0.4 59
Show 20532+4423 LSC 94 183 0.3 61
Show 20569+4233 GRV 399 6 64.8 61
Show 21015+4301 TDT2698 6 0.6 64
Show 20553+4231 STT 423 76 2.7 65
Show 20567+4439 BRT2283 339 6.0 65
Show 20596+4432 LDS2477 285 8.0 66
Show 21018+4411 HO 600 98 2.1 70
Show 20512+4415 CHN 31 47 6.7 70
Show 20525+4430 BRT2279 5 4.5 71
Show 20574+4443 LDS2473 119 15.7 71
Show 20579+4442 COU2649 143 0.6 71
Show 20563+4447 ES 675 AB 272 97.4 74
Show 20565+4447 TOB 203 329 15.8 74
Show 20563+4447 ES 675 BC 108 3.7 74
Show 20538+4443 LDS5914 124 6.2 75
Show 20558+4448 ES 674 94 5.6 75
Show 20501+4404 STT 595 AB 48 55.4 75
Show 20501+4404 STG 9 AC 83 102.7 75
Show 20501+4404 FYM 92 AD 242 51.8 75
Show 20501+4404 FYM 92 AE 190 35.2 75
Show 20501+4404 FYM 92 AF 80 46.9 75
Show 20550+4219 LDS2467 193 20.0 77
Show 20509+4421 CHN 30 AB 92 2.7 77
Show 20509+4421 CHN 30 Aa,Ab 108 0.6 77

 
 
WDS 20565+4333 : COMPONENTS
 
 
  A
B pa=176.6°
sep=3.59"
 
 
20565+4333 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205626.06+433337.0 Mag 12.07 PmRA 19.00
PmDE 100.0 Tycho2 3179-00680-1
Tycho2
Tycho2 3179-00680-1 Pflag RAmdeg 314.10859129 DEmdeg 43.56027852
PmRA 23.7 PmDE 14.3 E RAmdeg 104 E DEmdeg 99
E pmRA 2.2 E pmDE 2.1 EpRAm 1957.84 EpDEm 1955.55
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.3 Q pmRA 0.1
Q pmDE 0.3 BTmag 12.652 E BTmag 0.236 VTmag 12.073
E VTmag 0.182 Prox 999 TYC HIP
CCDM RAdeg 314.10851556 DEdeg 43.56024556 EpRA 1990 1.69
EpDE 1990 1.73 E RAdeg 128.8 E DEdeg 124.6 Posflg
Corr 0.0
 
 
20565+4333 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205626.08+433333.4 Mag 12.1 PmRA 26.00
PmDE -19.0 Calc delta mag 0.03 Calc coord yes