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Current system
21070+4704
BRT 1142


Nearby doubles
5' : 21068+4708
ES 1169

17' : 21077+4718
A 759

24' : 21090+4716
ES 512AB

27' : 21088+4646
SMA 127

33' : 21067+4631
SMA 125AB

34' : 21099+4651
SMA 129

36' : 21037+4652
YSC 14

36' : 21066+4739
ES 32

37' : 21091+4635
TDT2785

37' : 21083+4630
BRT1143

38' : 21105+4713
TDT2803

39' : 21102+4645
SKF2396

40' : 21092+4737
TDT2786

40' : 21100+4640
SMA 130

41' : 21072+4744
ES 817AB

42' : 21109+4658
GIC 166AB

43' : 21044+4631
HDS3001

45' : 21046+4627
BRT1140

47' : 21057+4748
BU 158AB

47' : 21044+4626
DAL 49

48' : 21063+4751
BUP9010AB

50' : 21098+4624
SMA 128

51' : 21032+4631
TDT2714

52' : 21100+4745
A 761

53' : 21105+4742
BU 159AB

53' : 21051+4615
BRT1141



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.

21070+4704 BRT 1142

 
 
21h 06m 58.38s +47° 03' 39.1" P.A. 220.00 sep 4.6 mag 12.55,12.70
 
 
Coord 2000 21070+4704 Discov num BRT1142 Comp Coord arcsec 2000 21 06 58.38 +47 03 39.1
Date first 1892 Date last 2016 Obs 6
Pa first 226 Pa last 220 P.A. Now (θ) 220°
Sep first 3.2 Sep last 4.6 Sep. Now (ρ) 4.6"
Mag pri 12.55 Mag sec 12.70 delta mag (ΔM) 0.15 Spectral class
Pri motion ra +019 Sec motion ra -020
Pri motion dec +003 Sec motion dec -038
Notes B (Blue magnitudes)
rPM=1.318
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2165122189653657856
 
 
WDS 21070+4704 BRT 1142 : 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
21070+4704 BRT1142 1999 3 220 4.5 12.55 12.70 DB 210658.38+470339.1
21070+4704 BRT1142 2003 4 220 4.6 12.55 12.70 DB 210658.38+470339.1
21070+4704 BRT1142 2016 6 220 4.6 12.55 12.70 B 210658.38+470339.1

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

 
 
WDS 21070+4704 BRT 1142 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21070+4704 BRT 1142 : MEASURES
 
 
No records found.

 
 
WDS 21070+4704 : VIRTUAL EYEPIECE
 
 

21070+4704 BRT1142A mag 12.55 21070+4704 BRT1142B sep 4.1 P.A. 209.80 mag 12.7 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 21070+4704 : ALADIN DSS IMAGE @ 21h 06m 58.38s +47° 03' 39.1"
 
 
 
 
WDS 21070+4704 BRT 1142 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21070+4704 BRT1142 distance=0' 21068+4708 ES 1169 distance=5' 21077+4718 A 759 distance=17' 21090+4716 ES 512AB distance=24' 21088+4646 SMA 127 distance=27' 21067+4631 SMA 125AB distance=33' 21067+4631 SMA 125AC distance=33' 21099+4651 SMA 129 distance=34' 21037+4652 YSC 14 distance=36' 21066+4739 ES 32 distance=36' 21091+4635 TDT2785 distance=37' 21083+4630 BRT1143 distance=37' 21105+4713 TDT2803 distance=38' 21102+4645 SKF2396 distance=39' 21092+4737 TDT2786 distance=40' 21100+4640 SMA 130 distance=40' 21072+4744 ES 817AB distance=41' 21072+4744 ES 817AC distance=41' 21072+4744 ES 817AD distance=41' 21109+4658 GIC 166AB distance=42' 21109+4658 JNN 290BC distance=42' 21109+4658 JNN 290BD distance=42' 21044+4631 HDS3001 distance=43' 21046+4627 BRT1140 distance=45' 21057+4748 BU 158AB distance=47' 21044+4626 DAL 49 distance=47' 21063+4751 BUP9010AB distance=48' 21063+4751 BUP9010AC distance=48' 21063+4751 BUP9010AD distance=48' 21098+4624 SMA 128 distance=50' 21032+4631 TDT2714 distance=51' 21100+4745 A 761 distance=52' 21105+4742 BU 159AB distance=53' 21105+4742 STTA215AC distance=53' 21105+4742 BU 159AD distance=53' 21105+4742 LV 23AE distance=53' 21051+4615 BRT1141 distance=53' 21022+4641 ES 1167AB distance=54' 21022+4641 ES 1167AC distance=54' 21055+4758 ES 816 distance=57' 21037+4616 TDT2719 distance=59' 21016+4730 HDS2997 distance=61' 21127+4349 DJU 6 distance=66' 21133+4655 A 884 distance=66' 21009+4730 BU 1290BD distance=67' 21009+4730 BU 1290AB distance=67' 21009+4730 BU 1290AC distance=67' 21043+4806 ARN 51 distance=68' 21011+4738 RAO 446 distance=69' 21008+4635 BU 156 distance=70' 21102+4603 SMA 131 distance=70' 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 21070+4704 BRT1142 220 4.6
Show 21068+4708 ES 1169 89 4.8 5
Show 21077+4718 A 759 24 4.1 17
Show 21090+4716 ES 512 AB 1 13.4 24
Show 21088+4646 SMA 127 130 17.3 27
Show 21067+4631 SMA 125 AB 87 22.2 33
Show 21067+4631 SMA 125 AC 198 15.0 33
Show 21099+4651 SMA 129 264 14.1 34
Show 21037+4652 YSC 14 182 0.1 36
Show 21066+4739 ES 32 159 15.7 36
Show 21091+4635 TDT2785 68 2.6 37
Show 21083+4630 BRT1143 212 2.7 37
Show 21105+4713 TDT2803 183 0.6 38
Show 21102+4645 SKF2396 53 13.3 39
Show 21092+4737 TDT2786 240 0.7 40
Show 21100+4640 SMA 130 147 8.7 40
Show 21072+4744 ES 817 AB 350 10.0 41
Show 21072+4744 ES 817 AC 347 22.2 41
Show 21072+4744 ES 817 AD 85 23.7 41
Show 21109+4658 GIC 166 AB 150 29.3 42
Show 21109+4658 JNN 290 BC 36 2.4 42
Show 21109+4658 JNN 290 BD 189 3.4 42
Show 21044+4631 HDS3001 94 18.4 43
Show 21046+4627 BRT1140 207 4.6 45
Show 21057+4748 BU 158 AB 304 11.0 47
Show 21044+4626 DAL 49 147 12.1 47
Show 21063+4751 BUP9010 AB 61 28.5 48
Show 21063+4751 BUP9010 AC 315 50.0 48
Show 21063+4751 BUP9010 AD 322 53.9 48
Show 21098+4624 SMA 128 170 12.3 50
Show 21032+4631 TDT2714 22 0.5 51
Show 21100+4745 A 761 56 0.4 52
Show 21105+4742 BU 159 AB 313 1.2 53
Show 21105+4742 STTA215 AC 189 136.7 53
Show 21105+4742 BU 159 AD 145 14.8 53
Show 21105+4742 LV 23 AE 338 46.8 53
Show 21051+4615 BRT1141 108 5.8 53
Show 21022+4641 ES 1167 AB 226 5.2 54
Show 21022+4641 ES 1167 AC 73 18.8 54
Show 21055+4758 ES 816 36 2.6 57
Show 21037+4616 TDT2719 220 2.0 59
Show 21016+4730 HDS2997 232 1.9 61
Show 21127+4349 DJU 6 24 2.6 66
Show 21133+4655 A 884 111 0.4 66
Show 21009+4730 BU 1290 BD 22 2.5 67
Show 21009+4730 BU 1290 AB 35 9.3 67
Show 21009+4730 BU 1290 AC 266 3.5 67
Show 21043+4806 ARN 51 340 47.3 68
Show 21011+4738 RAO 446 338 1.7 69
Show 21008+4635 BU 156 235 0.9 70
Show 21102+4603 SMA 131 86 8.6 70

 
 
WDS 21070+4704 : COMPONENTS
 
 
  A
B pa=209.8°
sep=4.06"
 
 
21070+4704 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210658.38+470339.1 Mag 12.55 PmRA 19.00
PmDE 3.0
 
 
21070+4704 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210658.18+470335.6 Mag 12.7 PmRA -20.00
PmDE -38.0 Calc delta mag 0.15 Calc coord yes