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Current system
21154+4539
TDT 2860


Nearby doubles
11' : 21145+4542
COU2436AB

20' : 21165+4554
HDS3027

22' : 21148+4518
TDT2855

22' : 21142+4556
TDT2846

34' : 21125+4552
ES 1273AB

35' : 21121+4543
BU 160AB

37' : 21122+4549
ES 1272

38' : 21178+4607
TDT2892

39' : 21183+4514
TDT2893

41' : 21152+4619
HDS3023

44' : 21114+4551
COU2435

46' : 21196+4549
TDS1123AB

46' : 21129+4616
TOI1315

46' : 21169+4456
A 885

47' : 21159+4624
ES 513

47' : 21111+4530
BRT1146AB

50' : 21137+4453
LDS2498

52' : 21166+4448
ES 97

52' : 21105+4538
BRT1145

55' : 21205+4528
KRV 9

55' : 21161+4444
MCN 2

59' : 21202+4509
LDS2510

59' : 21155+4637
HJ 1629

60' : 21102+4603
SMA 131

63' : 21139+4438
TDT2839

64' : 21151+4642
TDT2858



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21154+4539 TDT 2860

 
 
21h 15m 25.03s +45° 38' 33.0" P.A. 243.00 sep 5.6 mag 11.74,12.16
 
 
Coord 2000 21154+4539 Discov num TDT2860 Comp Coord arcsec 2000 21 15 25.03 +45 38 33.0
Date first 1991 Date last 2014 Obs 6
Pa first 256 Pa last 242.5 P.A. Now (θ) 242.5°
Sep first 2.7 Sep last 5.614 Sep. Now (ρ) 5.614"
Mag pri 11.74 Mag sec 12.16 delta mag (ΔM) 0.42 Spectral class
Pri motion ra -001 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3589-05970-1 Gaia DR2 1971871300081536000
 
 
WDS 21154+4539 TDT 2860 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21154+4539 TDT2860 1991 1 256 2.7 11.74 12.16 211525.03+453833.0
21154+4539 TDT2860 2003 3 241 5.1 11.74 12.16 211525.03+453833.0
21154+4539 TDT2860 2014 6 243 5.6 11.74 12.16 211525.03+453833.0

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

 
 
WDS 21154+4539 TDT 2860 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21154+4539 TDT 2860 : MEASURES
 
 
No records found.

 
 
WDS 21154+4539 : VIRTUAL EYEPIECE
 
 

21154+4539 TDT2860A mag 11.74 21154+4539 TDT2860B sep 5.6 P.A. 242.50 mag 12.16 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 21154+4539 : ALADIN DSS IMAGE @ 21h 15m 25.03s +45° 38' 33.0"
 
 
 
 
WDS 21154+4539 TDT 2860 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21154+4539 TDT2860 distance=0' 21145+4542 COU2436AB distance=11' 21145+4542 COU2436AC distance=11' 21165+4554 HDS3027 distance=20' 21148+4518 TDT2855 distance=22' 21142+4556 TDT2846 distance=22' 21125+4552 ES 1273AB distance=34' 21125+4552 ES 1273AC distance=34' 21125+4552 ES 1273CD distance=34' 21121+4543 ES 9005BD distance=35' 21121+4543 BU 160BC distance=35' 21121+4543 BU 160AB distance=35' 21122+4549 ES 1272 distance=37' 21178+4607 TDT2892 distance=38' 21183+4514 TDT2893 distance=39' 21152+4619 HDS3023 distance=41' 21114+4551 COU2435 distance=44' 21196+4549 TDS1123AB distance=46' 21129+4616 TOI1315 distance=46' 21169+4456 A 885 distance=46' 21159+4624 ES 513 distance=47' 21111+4530 BRT1146AB distance=47' 21111+4530 BRT1146Aa,Ab distance=47' 21111+4530 BRT1146AC distance=47' 21137+4453 LDS2498 distance=50' 21166+4448 ES 97 distance=52' 21105+4538 BRT1145 distance=52' 21205+4528 KRV 9 distance=55' 21161+4444 MCN 2 distance=55' 21202+4509 LDS2510 distance=59' 21155+4637 HJ 1629 distance=59' 21102+4603 SMA 131 distance=60' 21139+4438 TDT2839 distance=63' 21151+4642 TDT2858 distance=64' 21136+4433 ES 1333 distance=69' 21207+4455 GRV 451 distance=71' 21127+4349 DJU 6 distance=72' 21098+4624 SMA 128 distance=75' 21187+4428 LDS2507 distance=79' 21212+4449 ES 1334AB distance=79' 21133+4655 A 884 distance=80' 21100+4640 SMA 130 distance=83' 21080+4504 SMA 126 distance=86' 21102+4645 SKF2396 distance=86' 21075+4515 HJ 1615 distance=86' 21091+4635 TDT2785 distance=87' 21170+4704 COU2437 distance=87' 21080+4500 TDT2774 distance=87' 21120+4419 TDT2816 distance=88' 21083+4630 BRT1143AB distance=90' 21083+4630 BRT1143AC distance=90' 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 21154+4539 TDT2860 243 5.6 0
Show 21145+4542 COU2436 AB 256 1.2 11
Show 21145+4542 COU2436 AC 266 5.0 11
Show 21165+4554 HDS3027 48 0.4 20
Show 21148+4518 TDT2855 1 0.5 22
Show 21142+4556 TDT2846 227 0.5 22
Show 21125+4552 ES 1273 AB 295 23.1 34
Show 21125+4552 ES 1273 AC 7 37.7 34
Show 21125+4552 ES 1273 CD 69 3.7 34
Show 21121+4543 ES 9005 BD 84 22.3 35
Show 21121+4543 BU 160 BC 115 6.4 35
Show 21121+4543 BU 160 AB 155 57.1 35
Show 21122+4549 ES 1272 53 3.8 37
Show 21178+4607 TDT2892 121 2.4 38
Show 21183+4514 TDT2893 234 0.6 39
Show 21152+4619 HDS3023 140 0.9 41
Show 21114+4551 COU2435 169 1.4 44
Show 21196+4549 TDS1123 AB 268 3.2 46
Show 21129+4616 TOI1315 270 8.4 46
Show 21169+4456 A 885 153 3.8 46
Show 21159+4624 ES 513 49 8.8 47
Show 21111+4530 BRT1146 AB 344 2.6 47
Show 21111+4530 BRT1146 Aa,Ab 38 0.3 47
Show 21111+4530 BRT1146 AC 243 4.8 47
Show 21137+4453 LDS2498 316 13.0 50
Show 21166+4448 ES 97 290 7.5 52
Show 21105+4538 BRT1145 163 3.8 52
Show 21205+4528 KRV 9 123 21.2 55
Show 21161+4444 MCN 2 303 16.0 55
Show 21202+4509 LDS2510 345 20.4 59
Show 21155+4637 HJ 1629 71 12.6 59
Show 21102+4603 SMA 131 86 8.6 60
Show 21139+4438 TDT2839 352 1.2 63
Show 21151+4642 TDT2858 333 5.0 64
Show 21136+4433 ES 1333 296 1.6 69
Show 21207+4455 GRV 451 184 52.1 71
Show 21127+4349 DJU 6 24 2.6 72
Show 21098+4624 SMA 128 170 12.3 75
Show 21187+4428 LDS2507 182 3.0 79
Show 21212+4449 ES 1334 AB 307 5.3 79
Show 21133+4655 A 884 111 0.4 80
Show 21100+4640 SMA 130 147 8.7 83
Show 21080+4504 SMA 126 18 8.9 86
Show 21102+4645 SKF2396 53 13.3 86
Show 21075+4515 HJ 1615 277 14.4 86
Show 21091+4635 TDT2785 68 2.6 87
Show 21170+4704 COU2437 237 0.5 87
Show 21080+4500 TDT2774 173 1.8 87
Show 21120+4419 TDT2816 89 0.3 88
Show 21083+4630 BRT1143 AB 212 2.7 90
Show 21083+4630 BRT1143 AC 62 2.3 90

 
 
WDS 21154+4539 : COMPONENTS
 
 
  A
B pa=242.5°
sep=5.61"
 
 
21154+4539 A
 
 
Coord arcsec 2000 211525.03+453833.0 Mag 11.74 PmRA -1.00 PmDE -2.0
 
 
21154+4539 B
 
 
Coord arcsec 2000 211524.56+453830.4 Mag 12.16 Delta magnitude 0.42 Coordinate calculated yes