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Doubles in session


Current system
21215+5434
ROE 91 AB


Nearby doubles
11' : 21202+5433
TDT2909

14' : 21200+5436
SKF1978AB

21' : 21222+5453
A 1696

25' : 21202+5411
HDS3036

27' : 21197+5455
A 1694

31' : 21189+5413
FAB 17

32' : 21225+5504
HJ 1642

39' : 21255+5418
A 1697

41' : 21262+5433
ES 1007AB

41' : 21203+5354
TDT2910

41' : 21185+5505
ES 2707

48' : 21166+5455
TDT2877

48' : 21237+5518
A 1892

51' : 21252+5513
VKI 42

57' : 21211+5337
CVR 240

60' : 21178+5344
TDT2891

61' : 21282+5452
STI2568

70' : 21152+5351
BVD 134AB

72' : 21211+5323
ES 139

75' : 21238+5322
KPP 810

76' : 21199+5319
A 1695

78' : 21147+5345
FMR 234

78' : 21196+5552
MLR 582

79' : 21152+5531
A 1692

92' : 21197+5303
S 786

96' : 21280+5317
HDS3055



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.

21215+5434 ROE 91 AB

 
 
21h 21m 29.91s +54° 33' 27.8" P.A. 250.00 sep 4.9 mag 11.90,12.60
 
 
Coord 2000 21215+5434 Discov num ROE  91 Comp AB Coord arcsec 2000 21 21 29.91 +54 33 27.8
Date first 1915 Date last 2015 Obs 7
Pa first 180 Pa last 249.7 P.A. Now (θ) 249.7°
Sep first 4.8 Sep last 4.9 Sep. Now (ρ) 4.9"
Mag pri 11.90 Mag sec 12.60 delta mag (ΔM) 0.7 Spectral class
Pri motion ra -004 Sec motion ra -150
Pri motion dec -020 Sec motion dec -055
Notes
rPM=0.94
This double is not physical.
 
 
21215+5434 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 21 30 +54 33 28 ROE 91 AB 2015 7 250 4.9 11.90 12.60 0.70 <===
Show 21 21 30 +54 33 28 ROE 91 AC 2017 6 187 47.5 11.61 13.46 1.85
Show 21 21 30 +54 33 28 ROE 91 AD 2017 5 275 74.4 11.61 12.30 0.69
Show 21 21 30 +54 33 28 ROE 91 AE 2015 5 256 82.1 11.61 13.22 1.61
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2176147817365487360
 
 
WDS 21215+5434 ROE 91 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Roe1908 Ma - Roe, E.D. 1908AN....178..169R
Roe1908 AN 178, 169, 1908
Roe1909 Ma - Roe, E.D. 1909AN....181..285R
Roe1909 AN 181, 285, 1909
Roe1910a Ma - Roe, E.D. 1910AJ.....26...93R
Roe1910a AJ 26, 93, 1910
Roe1910b Ma j Roe, E.D. ...................
Roe1910b Journal Astronomique 1, no. 4, 25, 1910
Roe1910c Ma - Roe, E.D. 1910AN....183..197R
Roe1910c AN 183, 197, 1910
Roe1910d Ma j Roe, E.D. 1910PA.....18..354R
Roe1910d Popular Astronomy 18, 354, 1910
Roe1910e Ma j Roe, E.D. 1910PA.....18..554R
Roe1910e Popular Astronomy 18, 554, 1910
Roe1911a Ma - Roe, E.D. 1911AN....187...39R
Roe1911a AN 187, 39, 1911
Roe1911b Ma - Roe, E.D. 1911AN....188..373R
Roe1911b AN 188, 373, 1911
Roe1911c Ma - Roe, E.D. 1911AN....190..137R
Roe1911c AN 190, 137, 1911
Roe1911d Ma j Roe, E.D. 1911PA.....19..383R
Roe1911d Popular Astronomy 19, 383, 1911
Roe1914 Ma j Roe, E.D. 1914AN....199..169R
Roe1914 AN 199, 169, 1914
Roe1915 Ma - Roe, E.D. 1915AN....202..99R
Roe1915 AN 202, 99, 1915
Roe1917 Ma j Roe, E.D. 1917AN....204...21R
Roe1917 AN 204, 21, 1917
Roe1918 Ma - Roe, E.D. 1918AJ.....31..149R
Roe1918 AJ 31, 149, 1918
Roe1919a Ma j Roe, E.D. 1919AJ.....32....6R
Roe1919a AJ 32, 6, 1919
Roe1919b Ma j Roe, E.D. 1919AJ.....32...25R
Roe1919b AJ 32, 25, 1919
Roe1932A - Roe, E.D. 1932QB821.A43......
Roe1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21215+5434 ROE 91 AB 2005 4 76 4.2 9.80 9.90 D 212129.72+543327.6
21215+5434 ROE 91 AB 2015 6 250 4.9 11.90 12.60 212129.91+543327.8

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

 
 
WDS 21215+5434 ROE 91 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21215+5434 ROE 91 AB : MEASURES
 
 
No records found.

 
 
WDS 21215+5434 : VIRTUAL EYEPIECE
 
 

21215+5434 ROE 91A mag 11.9 21215+5434 ROE 91B sep 3.2 P.A. 237.50 mag 12.6 21215+5434 ROE 91C sep 47.2 P.A. 184.30 mag 13.46 21215+5434 ROE 91D sep 43.5 P.A. 278.40 mag 12.3 21215+5434 ROE 91E sep 50.5 P.A. 246.00 mag 13.22 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 21215+5434 : ALADIN DSS IMAGE @ 21h 21m 29.91s +54° 33' 27.8"
 
 
 
 
WDS 21215+5434 ROE 91 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21215+5434 ROE 91AB distance=0' 21202+5433 TDT2909 distance=11' 21200+5436 TDT2908Aa,Ab distance=14' 21200+5436 SKF1978AB distance=14' 21222+5453 A 1696 distance=21' 21202+5411 HDS3036 distance=25' 21197+5455 A 1694 distance=27' 21189+5413 FAB 17 distance=31' 21225+5504 HJ 1642 distance=32' 21255+5418 A 1697 distance=39' 21262+5433 ES 1007AB distance=41' 21203+5354 TDT2910 distance=41' 21185+5505 ES 2707 distance=41' 21166+5455 TDT2877 distance=48' 21237+5518 A 1892 distance=48' 21252+5513 VKI 42 distance=51' 21211+5337 CVR 240 distance=57' 21178+5344 TDT2891 distance=60' 21282+5452 STI2568 distance=61' 21152+5351 BVD 134AB distance=70' 21211+5323 ES 139 distance=72' 21238+5322 KPP 810 distance=75' 21199+5319 A 1695 distance=76' 21147+5345 FMR 234 distance=78' 21196+5552 MLR 582 distance=78' 21152+5531 A 1692 distance=79' 21197+5303 S 786 distance=92' 21280+5317 HDS3055 distance=96' 21200+5259 STF2789AB distance=96' 21200+5259 STF2789AC distance=96' 21195+5256 A 1693 distance=100' 21327+5459 HDS3063 distance=101' 21316+5346 CBL 94 distance=101' 21103+5512 BU 1500AB distance=104' 21103+5512 HJ 1622AC distance=104' 21233+5249 TOI1361 distance=106' 21096+5502 HJ 1621 distance=107' 21092+5421 LEP 99 distance=108' 21338+5419 HDS3069 distance=108' 21185+5248 TDT2894 distance=110' 21252+5618 TDS1127 distance=110' 21322+5336 TDT3015 distance=110' 21125+5318 ES 209 distance=110' 21088+5459 CVR 239 distance=113' 21206+5241 MLR 644 distance=114' 21265+5245 BU 369AB distance=118' 21265+5245 BU 369AC distance=118' 21265+5245 BU 369AD distance=118' 21220+5631 CRB 210 distance=118' 21345+5517 STI2573 distance=121' 21299+5256 STF2803AB distance=123' 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 21215+5434 ROE 91 AB 250 4.9
Show 21215+5434 ROE 91 AC 187 47.5
Show 21215+5434 ROE 91 AD 275 74.4
Show 21215+5434 ROE 91 AE 256 82.1
Show 21202+5433 TDT2909 77 0.6 11
Show 21200+5436 TDT2908 Aa,Ab 295 0.3 14
Show 21200+5436 SKF1978 AB 298 31.8 14
Show 21222+5453 A 1696 49 1.3 21
Show 21202+5411 HDS3036 165 0.4 25
Show 21197+5455 A 1694 93 0.8 27
Show 21189+5413 FAB 17 313 8.1 31
Show 21225+5504 HJ 1642 210 35.9 32
Show 21255+5418 A 1697 251 3.8 39
Show 21262+5433 ES 1007 AB 49 2.0 41
Show 21203+5354 TDT2910 287 0.7 41
Show 21185+5505 ES 2707 348 10.3 41
Show 21166+5455 TDT2877 340 1.1 48
Show 21237+5518 A 1892 351 0.8 48
Show 21252+5513 VKI 42 187 2.1 51
Show 21211+5337 CVR 240 21 64.4 57
Show 21178+5344 TDT2891 201 0.5 60
Show 21282+5452 STI2568 334 13.4 61
Show 21152+5351 BVD 134 AB 57 22.9 70
Show 21211+5323 ES 139 352 5.7 72
Show 21238+5322 KPP 810 76 7.0 75
Show 21199+5319 A 1695 193 0.5 76
Show 21147+5345 FMR 234 293 2.5 78
Show 21196+5552 MLR 582 348 0.9 78
Show 21152+5531 A 1692 167 0.3 79
Show 21197+5303 S 786 298 47.9 92
Show 21280+5317 HDS3055 35 0.4 96
Show 21200+5259 STF2789 AB 113 6.9 96
Show 21200+5259 STF2789 AC 171 133.1 96
Show 21195+5256 A 1693 74 2.8 100
Show 21327+5459 HDS3063 2 0.3 101
Show 21316+5346 CBL 94 49 13.6 101
Show 21103+5512 BU 1500 AB 114 7.8 104
Show 21103+5512 HJ 1622 AC 296 12.8 104
Show 21233+5249 TOI1361 142 8.2 106
Show 21096+5502 HJ 1621 148 19.4 107
Show 21092+5421 LEP 99 27 113.7 108
Show 21338+5419 HDS3069 41 0.4 108
Show 21185+5248 TDT2894 187 2.4 110
Show 21252+5618 TDS1127 236 1.1 110
Show 21322+5336 TDT3015 300 1.9 110
Show 21125+5318 ES 209 239 4.1 110
Show 21088+5459 CVR 239 190 93.9 113
Show 21206+5241 MLR 644 211 1.6 114
Show 21265+5245 BU 369 AB 31 16.0 118
Show 21265+5245 BU 369 AC 61 49.3 118
Show 21265+5245 BU 369 AD 331 25.8 118

 
 
WDS 21215+5434 : COMPONENTS
 
 
  A B C D
B pa=237.5°
sep=3.16"
 
C pa=184.3°
sep=47.24"
pa=181.1°
sep=45.41"
 
D pa=278.4°
sep=43.45"
pa=281.3°
sep=41.12"
pa=323.6°
sep=66.44"
 
E pa=246.0°
sep=50.47"
pa=246.5°
sep=47.35"
pa=302.0°
sep=50.16"
pa=186.6°
sep=27.09"
 
 
21215+5434 A
 
 
Coord arcsec 2000 212129.91+543327.8 Mag 11.9 PmRA -4.00 PmDE -20.0
 
 
21215+5434 B
 
 
Coord arcsec 2000 212129.60+543326.1 Mag 12.6 PmRA -150.00 PmDE -55.0
Calc delta mag 0.7 Calc coord yes
 
 
21215+5434 C
 
 
Coord arcsec 2000 212129.50+543240.7 Mag 13.46 PmRA -11.00 PmDE -9.0
Calc delta mag 1.56 Calc coord yes
 
 
21215+5434 D
 
 
Coord arcsec 2000 212124.97+543334.2 Mag 12.3 PmRA 1.00 PmDE 7.0
Calc delta mag 0.4 Calc coord yes
 
 
21215+5434 E
 
 
Coord arcsec 2000 212124.61+543307.2 Mag 13.22 PmRA 4.00 PmDE 5.0
Calc delta mag 1.32 Calc coord yes