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Current system
20525+4430
BRT 2279


Nearby doubles
9' : 20521+4438
HER 18

11' : 20532+4423
LSC 94

19' : 20509+4421
CHN 30AB

20' : 20512+4415
CHN 31

20' : 20538+4443
LDS5914

22' : 20506+4421
CHN 29

34' : 20549+4451
LDS2466

34' : 20511+4459
LDS2459

37' : 20501+4404
STT 595AB

40' : 20494+4452
TDS1103

40' : 20558+4448
ES 674

41' : 20556+4453
COU2648

43' : 20542+4508
LDS5915

43' : 20504+4518
SMA 121

44' : 20494+4458
GRV 384

45' : 20563+4447
ES 675AB

45' : 20520+4346
STT 416AB

46' : 20541+4507
STT 422

46' : 20567+4439
BRT2283

47' : 20565+4447
TOB 203

48' : 20565+4452
LDS2470

51' : 20514+4519
ARG 40

51' : 20566+4455
TRN 30

54' : 20574+4443
LDS2473

55' : 20535+4523
HDS2975

56' : 20578+4425
LDS2474



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.

20525+4430 BRT 2279

 
 
20h 52m 28.12s +44° 29' 37.8" P.A. 5.00 sep 4.5 mag 9.80,10.90
 
 
Coord 2000 20525+4430 Discov num BRT2279 Comp Coord arcsec 2000 20 52 28.12 +44 29 37.8
Date first 1892 Date last 2016 Obs 7
Pa first 5 Pa last 5.1 P.A. Now (θ) 5.1°
Sep first 2.8 Sep last 4.517 Sep. Now (ρ) 4.517"
Mag pri 9.80 Mag sec 10.90 delta mag (ΔM) 1.1 Spectral class
Pri motion ra +006 Sec motion ra +007
Pri motion dec -002 Sec motion dec +017
Notes
rPM=1.035
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2162958316384521856
 
 
WDS 20525+4430 BRT 2279 : 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
20525+4430 BRT2279 2000 3 5 4.5 9.80 10.90 D 205228.12+442937.8
20525+4430 BRT2279 2002 4 5 4.5 9.80 10.90 D 205228.12+442937.8
20525+4430 BRT2279 2010 5 5 4.7 9.80 10.90 205228.12+442937.8
20525+4430 BRT2279 2015 6 5 4.5 9.80 10.90 205228.12+442937.8
20525+4430 BRT2279 2016 7 5 4.5 9.80 10.90 205228.12+442937.8

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

 
 
WDS 20525+4430 BRT 2279 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20525+4430 BRT 2279 : MEASURES
 
 
No records found.

 
 
WDS 20525+4430 : VIRTUAL EYEPIECE
 
 

20525+4430 BRT2279A mag 9.8 20525+4430 BRT2279B sep 4.5 P.A. 3.60 mag 10.9 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 20525+4430 : ALADIN DSS IMAGE @ 20h 52m 28.12s +44° 29' 37.8"
 
 
 
 
WDS 20525+4430 BRT 2279 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20525+4430 BRT2279 distance=0' 20521+4438 HER 18 distance=9' 20532+4423 LSC 94 distance=11' 20509+4421 CHN 30AB distance=19' 20509+4421 CHN 30Aa,Ab distance=19' 20512+4415 CHN 31 distance=20' 20538+4443 LDS5914 distance=20' 20506+4421 CHN 29 distance=22' 20549+4451 LDS2466 distance=34' 20511+4459 LDS2459 distance=34' 20501+4404 STT 595AB distance=37' 20501+4404 STG 9AC distance=37' 20501+4404 FYM 92AD distance=37' 20501+4404 FYM 92AE distance=37' 20501+4404 FYM 92AF distance=37' 20494+4452 TDS1103 distance=40' 20558+4448 ES 674 distance=40' 20556+4453 COU2648 distance=41' 20542+4508 LDS5915 distance=43' 20504+4518 SMA 121 distance=43' 20563+4447 ES 675BC distance=43' 20494+4458 GRV 384 distance=44' 20563+4447 ES 675AB distance=45' 20520+4346 STT 416AB distance=45' 20520+4346 SKF2740BC distance=45' 20541+4507 STT 422 distance=46' 20567+4439 BRT2283 distance=46' 20565+4447 TOB 203 distance=47' 20565+4452 LDS2470 distance=48' 20514+4519 ARG 40 distance=51' 20566+4455 TRN 30 distance=51' 20574+4443 LDS2473 distance=54' 20535+4523 HDS2975 distance=55' 20578+4425 LDS2474 distance=56' 20574+4451 LDS2472 distance=56' 20472+4427 COU2424 distance=57' 20500+4521 ES 2702 distance=58' 20559+4345 COU2543 distance=59' 20579+4442 COU2649 distance=59' 20504+4525 LDS5912 distance=60' 20535+4328 LDS2465 distance=63' 20583+4428 RBR 50 distance=63' 20492+4525 COU2646 distance=66' 20490+4525 SMA 120 distance=67' 20485+4519 LDS2456 distance=68' 20476+4347 CHN 28 distance=68' 20519+4537 SMA 122 distance=68' 20565+4333 BRT1139 distance=71' 20473+4345 COU2425 distance=71' 20568+4335 BRT1957 distance=72' 20596+4432 LDS2477 distance=72' 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 20525+4430 BRT2279 5 4.5
Show 20521+4438 HER 18 85 60.7 9
Show 20532+4423 LSC 94 183 0.3 11
Show 20509+4421 CHN 30 AB 92 2.7 19
Show 20509+4421 CHN 30 Aa,Ab 108 0.6 19
Show 20512+4415 CHN 31 47 6.7 20
Show 20538+4443 LDS5914 124 6.2 20
Show 20506+4421 CHN 29 52 5.3 22
Show 20549+4451 LDS2466 287 4.8 34
Show 20511+4459 LDS2459 228 43.7 34
Show 20501+4404 STT 595 AB 48 55.4 37
Show 20501+4404 STG 9 AC 83 102.7 37
Show 20501+4404 FYM 92 AD 242 51.8 37
Show 20501+4404 FYM 92 AE 190 35.2 37
Show 20501+4404 FYM 92 AF 80 46.9 37
Show 20494+4452 TDS1103 200 0.8 40
Show 20558+4448 ES 674 94 5.6 40
Show 20556+4453 COU2648 21 1.3 41
Show 20542+4508 LDS5915 43 18.0 43
Show 20504+4518 SMA 121 32 11.6 43
Show 20563+4447 ES 675 BC 108 3.7 43
Show 20494+4458 GRV 384 222 22.1 44
Show 20563+4447 ES 675 AB 272 97.4 45
Show 20520+4346 STT 416 AB 117 9.6 45
Show 20520+4346 SKF2740 BC 192 73.4 45
Show 20541+4507 STT 422 332 2.6 46
Show 20567+4439 BRT2283 339 6.0 46
Show 20565+4447 TOB 203 329 15.8 47
Show 20565+4452 LDS2470 306 13.5 48
Show 20514+4519 ARG 40 250 9.2 51
Show 20566+4455 TRN 30 30 3.8 51
Show 20574+4443 LDS2473 119 15.7 54
Show 20535+4523 HDS2975 191 0.2 55
Show 20578+4425 LDS2474 235 14.5 56
Show 20574+4451 LDS2472 254 1.7 56
Show 20472+4427 COU2424 255 0.5 57
Show 20500+4521 ES 2702 348 8.6 58
Show 20559+4345 COU2543 222 1.6 59
Show 20579+4442 COU2649 143 0.6 59
Show 20504+4525 LDS5912 252 17.4 60
Show 20535+4328 LDS2465 41 12.1 63
Show 20583+4428 RBR 50 76 0.4 63
Show 20492+4525 COU2646 266 0.4 66
Show 20490+4525 SMA 120 313 4.3 67
Show 20485+4519 LDS2456 236 18.0 68
Show 20476+4347 CHN 28 57 5.0 68
Show 20519+4537 SMA 122 262 7.4 68
Show 20565+4333 BRT1139 175 3.6 71
Show 20473+4345 COU2425 58 0.2 71
Show 20568+4335 BRT1957 177 1.1 72
Show 20596+4432 LDS2477 285 8.0 72

 
 
WDS 20525+4430 : COMPONENTS
 
 
  A
B pa=3.6°
sep=4.51"
 
 
20525+4430 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205228.12+442937.8 Mag 9.8 PmRA 6.00
PmDE -2.0
 
 
20525+4430 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205228.15+442942.3 Mag 10.9 PmRA 7.00
PmDE 17.0 Calc delta mag 1.1 Calc coord yes