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Current system
20272+4437
BRT 2264


Nearby doubles
25' : 20282+4458
ES 661

25' : 20295+4437
TDT2320

31' : 20277+4507
ROE 43AB

34' : 20303+4439
ES 1441

35' : 20281+4509
TDS1075

36' : 20305+4434
ES 1442

38' : 20237+4442
ES 1330

39' : 20293+4508
RAO 434

40' : 20240+4457
ES 1331

44' : 20264+4520
KPP 472

45' : 20267+4353
FYM 258AB

46' : 20295+4516
ES 662

47' : 20253+4355
A 291AB

48' : 20266+4350
TDT2273

50' : 20303+4401
TDT2326

54' : 20231+4405
TDT2227

57' : 20314+4403
ES 1443

58' : 20246+4529
HJ 1514

59' : 20258+4533
TDT2263

61' : 20238+4525
ES 801

62' : 20270+4539
HJ 1518

63' : 20302+4343
AG 407

64' : 20328+4418
COU2645

67' : 20210+4437
A 725

71' : 20322+4351
TDT2344

71' : 20291+4544
BU 1135



Selections
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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.

20272+4437 BRT 2264

 
 
20h 27m 10.24s +44° 36' 32.8" P.A. 4.00 sep 3.0 mag 11.73,11.80
 
 
Coord 2000 20272+4437 Discov num BRT2264 Comp Coord arcsec 2000 20 27 10.24 +44 36 32.8
Date first 1892 Date last 2016 Obs 4
Pa first 356 Pa last 4 P.A. Now (θ) 4°
Sep first 2.2 Sep last 3.047 Sep. Now (ρ) 3.047"
Mag pri 11.73 Mag sec 11.80 delta mag (ΔM) 0.07 Spectral class
Pri motion ra -002 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2070832161238397312
 
 
WDS 20272+4437 BRT 2264 : 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
20272+4437 BRT2264 1892 1 356 2.2 11.73 11.80 202703.80+443651.7
20272+4437 BRT2264 2005 2 4 3.0 11.73 11.80 202703.80+443651.7
20272+4437 BRT2264 2016 4 4 3.0 11.73 11.80 202710.24+443632.8

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

 
 
WDS 20272+4437 BRT 2264 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20272+4437 BRT 2264 : MEASURES
 
 
No records found.

 
 
WDS 20272+4437 : VIRTUAL EYEPIECE
 
 

20272+4437 BRT2264A mag 11.73 20272+4437 BRT2264B sep 3.0 P.A. 2.80 mag 11.8 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 20272+4437 : ALADIN DSS IMAGE @ 20h 27m 10.24s +44° 36' 32.8"
 
 
 
 
WDS 20272+4437 BRT 2264 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20272+4437 BRT2264 distance=0' 20282+4458 ES 661 distance=25' 20295+4437 TDT2320 distance=25' 20277+4507 ROE 43AB distance=31' 20277+4507 ROE 43AC distance=31' 20277+4507 ROE 43AD distance=31' 20277+4507 ROE 43AE distance=31' 20277+4507 ROE 43AF distance=31' 20277+4507 ROE 43AG distance=31' 20277+4507 BKO 154AH distance=31' 20277+4507 BKO 154AI distance=31' 20277+4507 BKO 154EK distance=31' 20277+4507 BKO 154CJ distance=32' 20303+4439 ES 1441 distance=34' 20281+4509 TDS1075 distance=35' 20305+4434 ES 1442 distance=36' 20237+4442 ES 1330 distance=38' 20293+4508 RAO 434 distance=39' 20240+4457 ES 1331 distance=40' 20264+4520 KPP 472 distance=44' 20267+4353 FYM 258AB distance=45' 20267+4353 FYM 258AC distance=45' 20267+4353 FYM 258AD distance=45' 20295+4516 ES 662 distance=46' 20253+4355 A 291AB distance=47' 20253+4355 A 291AC distance=47' 20266+4350 TDT2273 distance=48' 20303+4401 TDT2326 distance=50' 20231+4405 TDT2227 distance=54' 20314+4403 ES 1443 distance=57' 20246+4529 HJ 1514 distance=58' 20258+4533 TDT2263 distance=59' 20238+4525 ES 801 distance=61' 20270+4539 HJ 1518 distance=62' 20302+4343 AG 407 distance=63' 20328+4418 COU2645 distance=64' 20210+4437 A 725 distance=67' 20322+4351 TDT2344 distance=71' 20291+4544 BU 1135 distance=71' 20217+4522 BRT2261 distance=75' 20317+4540 HJ 1533 distance=81' 20224+4332 TDT2215 distance=83' 20300+4556 LSC 91 distance=85' 20205+4351 BU 1207AB distance=86' 20205+4351 TRN 29AC distance=86' 20205+4351 IOT 2Aa,Ab distance=86' 20194+4500 TDS1058 distance=86' 20340+4352 TDT2377 distance=87' 20211+4341 A 46AB distance=87' 20211+4341 A 46AB,C distance=87' 20223+4546 POP 144 distance=88' 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 20272+4437 BRT2264 4 3.0
Show 20282+4458 ES 661 156 6.9 25
Show 20295+4437 TDT2320 223 0.7 25
Show 20277+4507 ROE 43 AB 317 17.4 31
Show 20277+4507 ROE 43 AC 312 52.6 31
Show 20277+4507 ROE 43 AD 271 42.4 31
Show 20277+4507 ROE 43 AE 282 82.9 31
Show 20277+4507 ROE 43 AF 336 87.1 31
Show 20277+4507 ROE 43 AG 282 102.4 31
Show 20277+4507 BKO 154 AH 224 18.4 31
Show 20277+4507 BKO 154 AI 63 24.2 31
Show 20277+4507 BKO 154 EK 109 4.7 31
Show 20277+4507 BKO 154 CJ 331 17.9 32
Show 20303+4439 ES 1441 127 2.0 34
Show 20281+4509 TDS1075 358 1.4 35
Show 20305+4434 ES 1442 265 2.7 36
Show 20237+4442 ES 1330 309 3.6 38
Show 20293+4508 RAO 434 162 1.2 39
Show 20240+4457 ES 1331 78 1.3 40
Show 20264+4520 KPP 472 88 4.6 44
Show 20267+4353 FYM 258 AB 345 17.2 45
Show 20267+4353 FYM 258 AC 244 37.4 45
Show 20267+4353 FYM 258 AD 100 24.8 45
Show 20295+4516 ES 662 142 5.7 46
Show 20253+4355 A 291 AB 148 0.8 47
Show 20253+4355 A 291 AC 284 18.1 47
Show 20266+4350 TDT2273 211 0.5 48
Show 20303+4401 TDT2326 100 0.7 50
Show 20231+4405 TDT2227 172 0.5 54
Show 20314+4403 ES 1443 304 2.5 57
Show 20246+4529 HJ 1514 215 11.3 58
Show 20258+4533 TDT2263 330 1.4 59
Show 20238+4525 ES 801 170 9.6 61
Show 20270+4539 HJ 1518 86 15.3 62
Show 20302+4343 AG 407 231 7.0 63
Show 20328+4418 COU2645 290 0.1 64
Show 20210+4437 A 725 25 0.9 67
Show 20322+4351 TDT2344 338 0.8 71
Show 20291+4544 BU 1135 335 1.5 71
Show 20217+4522 BRT2261 272 4.5 75
Show 20317+4540 HJ 1533 187 10.9 81
Show 20224+4332 TDT2215 91 0.9 83
Show 20300+4556 LSC 91 19 0.3 85
Show 20205+4351 BU 1207 AB 211 4.8 86
Show 20205+4351 TRN 29 AC 202 2.3 86
Show 20205+4351 IOT 2 Aa,Ab 152 0.0 86
Show 20194+4500 TDS1058 250 1.4 86
Show 20340+4352 TDT2377 210 0.5 87
Show 20211+4341 A 46 AB 77 0.4 87
Show 20211+4341 A 46 AB,C 265 2.0 87
Show 20223+4546 POP 144 121 6.0 88

 
 
WDS 20272+4437 : COMPONENTS
 
 
  A
B pa=2.8°
sep=3.04"
 
 
20272+4437 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202710.24+443632.8 Mag 11.73 PmRA -2.00
PmDE -5.0
 
 
20272+4437 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202710.25+443635.8 Mag 11.8 Calc delta mag 0.07
Calc coord yes