stampa
Login

Saving a selection in a list is possibile.
Create your account here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20217+4522
BRT 2261


Nearby doubles
20' : 20198+4522
STT 406

24' : 20238+4525
ES 801

25' : 20223+4546
POP 144

30' : 20189+4522
ARG 37

33' : 20194+4500
TDS1058

33' : 20246+4529
HJ 1514

36' : 20240+4457
ES 1331

46' : 20237+4442
ES 1330

46' : 20258+4533
TDT2263

47' : 20175+4538
STF2667

47' : 20210+4437
A 725

51' : 20264+4520
KPP 472

52' : 20225+4613
A 726

57' : 20231+4618
TDT2226

59' : 20270+4539
HJ 1518

60' : 20202+4620
TDT2181

66' : 20277+4507
ROE 43AB

69' : 20281+4509
TDS1075

71' : 20156+4454
TDT2125

71' : 20166+4437
TDT2135

72' : 20161+4605
STJ 104

73' : 20237+4632
HJ 1513

74' : 20269+4611
BRT2263

74' : 20282+4458
ES 661

75' : 20272+4437
BRT2264

76' : 20147+4541
TDT2117



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.

20217+4522 BRT 2261

 
 
20h 21m 38.66s +45° 22' 39.3" P.A. 272.00 sep 4.5 mag 9.80,10.40
 
 
Coord 2000 20217+4522 Discov num BRT2261 Comp Coord arcsec 2000 20 21 38.66 +45 22 39.3
Date first 1892 Date last 2015 Obs 6
Pa first 287 Pa last 271.7 P.A. Now (θ) 271.7°
Sep first 4.0 Sep last 4.496 Sep. Now (ρ) 4.496"
Mag pri 9.80 Mag sec 10.40 delta mag (ΔM) 0.6 Spectral class
Pri motion ra +014 Sec motion ra -018
Pri motion dec -002 Sec motion dec -009
Notes
rPM=1.628
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2081484470416895872
 
 
WDS 20217+4522 BRT 2261 : 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
20217+4522 BRT2261 2003 4 272 4.6 9.80 10.40 D 202138.66+452239.3
20217+4522 BRT2261 2015 6 272 4.5 9.80 10.40 202138.66+452239.3

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

 
 
WDS 20217+4522 BRT 2261 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20217+4522 BRT 2261 : MEASURES
 
 
No records found.

 
 
WDS 20217+4522 : VIRTUAL EYEPIECE
 
 

20217+4522 BRT2261A mag 9.8 20217+4522 BRT2261B sep 3.2 P.A. 272.40 mag 10.4 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 20217+4522 : ALADIN DSS IMAGE @ 20h 21m 38.66s +45° 22' 39.3"
 
 
 
 
WDS 20217+4522 BRT 2261 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20217+4522 BRT2261 distance=0' 20198+4522 STT 406 distance=20' 20238+4525 ES 801 distance=24' 20223+4546 POP 144 distance=25' 20189+4522 ARG 37 distance=30' 20194+4500 TDS1058 distance=33' 20246+4529 HJ 1514 distance=33' 20240+4457 ES 1331 distance=36' 20237+4442 ES 1330 distance=46' 20258+4533 TDT2263 distance=46' 20175+4538 STF2667 distance=47' 20210+4437 A 725 distance=47' 20264+4520 KPP 472 distance=51' 20225+4613 A 726 distance=52' 20231+4618 TDT2226 distance=57' 20270+4539 HJ 1518 distance=59' 20202+4620 TDT2181 distance=60' 20277+4507 BKO 154EK distance=65' 20277+4507 BKO 154CJ distance=66' 20277+4507 ROE 43AB distance=66' 20277+4507 ROE 43AC distance=66' 20277+4507 ROE 43AD distance=66' 20277+4507 ROE 43AE distance=66' 20277+4507 ROE 43AF distance=66' 20277+4507 ROE 43AG distance=66' 20277+4507 BKO 154AH distance=66' 20277+4507 BKO 154AI distance=66' 20281+4509 TDS1075 distance=69' 20156+4454 TDT2125 distance=71' 20166+4437 TDT2135 distance=71' 20161+4605 STJ 104 distance=72' 20237+4632 HJ 1513 distance=73' 20269+4611 BRT2263 distance=74' 20282+4458 ES 661 distance=74' 20272+4437 BRT2264 distance=75' 20147+4541 TDT2117 distance=76' 20161+4432 BRT2258 distance=78' 20231+4405 TDT2227 distance=80' 20291+4544 BU 1135 distance=82' 20293+4508 RAO 434 distance=82' 20295+4516 ES 662 distance=83' 20139+4539 POP 138 distance=84' 20244+4641 TDT2242 distance=84' 20269+4636 KPP4199 distance=92' 20205+4351 BU 1207AB distance=93' 20205+4351 TRN 29AC distance=93' 20205+4351 IOT 2Aa,Ab distance=93' 20300+4556 LSC 91 distance=94' 20295+4437 TDT2320 distance=95' 20147+4625 TDT2116 distance=96' 20239+4655 PLT 9 distance=96' 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 20217+4522 BRT2261 272 4.5
Show 20198+4522 STT 406 100 0.3 20
Show 20238+4525 ES 801 170 9.6 24
Show 20223+4546 POP 144 121 6.0 25
Show 20189+4522 ARG 37 194 14.1 30
Show 20194+4500 TDS1058 250 1.4 33
Show 20246+4529 HJ 1514 215 11.3 33
Show 20240+4457 ES 1331 78 1.3 36
Show 20237+4442 ES 1330 309 3.6 46
Show 20258+4533 TDT2263 330 1.4 46
Show 20175+4538 STF2667 224 8.0 47
Show 20210+4437 A 725 25 0.9 47
Show 20264+4520 KPP 472 88 4.6 51
Show 20225+4613 A 726 276 0.5 52
Show 20231+4618 TDT2226 183 1.2 57
Show 20270+4539 HJ 1518 86 15.3 59
Show 20202+4620 TDT2181 132 0.6 60
Show 20277+4507 BKO 154 EK 109 4.7 65
Show 20277+4507 BKO 154 CJ 331 17.9 66
Show 20277+4507 ROE 43 AB 317 17.4 66
Show 20277+4507 ROE 43 AC 312 52.6 66
Show 20277+4507 ROE 43 AD 271 42.4 66
Show 20277+4507 ROE 43 AE 282 82.9 66
Show 20277+4507 ROE 43 AF 336 87.1 66
Show 20277+4507 ROE 43 AG 282 102.4 66
Show 20277+4507 BKO 154 AH 224 18.4 66
Show 20277+4507 BKO 154 AI 63 24.2 66
Show 20281+4509 TDS1075 358 1.4 69
Show 20156+4454 TDT2125 257 2.3 71
Show 20166+4437 TDT2135 38 0.9 71
Show 20161+4605 STJ 104 316 1.4 72
Show 20237+4632 HJ 1513 325 13.8 73
Show 20269+4611 BRT2263 34 4.1 74
Show 20282+4458 ES 661 156 6.9 74
Show 20272+4437 BRT2264 4 3.0 75
Show 20147+4541 TDT2117 319 0.4 76
Show 20161+4432 BRT2258 6 2.8 78
Show 20231+4405 TDT2227 172 0.5 80
Show 20291+4544 BU 1135 335 1.5 82
Show 20293+4508 RAO 434 162 1.2 82
Show 20295+4516 ES 662 142 5.7 83
Show 20139+4539 POP 138 42 0.6 84
Show 20244+4641 TDT2242 343 0.7 84
Show 20269+4636 KPP4199 284 1.5 92
Show 20205+4351 BU 1207 AB 211 4.8 93
Show 20205+4351 TRN 29 AC 202 2.3 93
Show 20205+4351 IOT 2 Aa,Ab 152 0.0 93
Show 20300+4556 LSC 91 19 0.3 94
Show 20295+4437 TDT2320 223 0.7 95
Show 20147+4625 TDT2116 74 1.0 96
Show 20239+4655 PLT 9 27 4.4 96

 
 
WDS 20217+4522 : COMPONENTS
 
 
  A
B pa=272.4°
sep=3.16"
 
 
20217+4522 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202138.66+452239.3 Mag 9.8 PmRA 14.00
PmDE -2.0
 
 
20217+4522 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202138.36+452239.4 Mag 10.4 PmRA -18.00
PmDE -9.0 Calc delta mag 0.6 Calc coord yes