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Current system
21080+4500
TDT 2774


Nearby doubles
2' : 21071+4459
LDS2489

5' : 21080+4504
SMA 126

16' : 21075+4515
HJ 1615

22' : 21073+4440
A 881

24' : 21061+4448
ROE 45AB

31' : 21079+4430
LDS2490

35' : 21051+4444
SMA 124

41' : 21067+4538
TDT2754

41' : 21062+4535
LDS2487

44' : 21111+4530
BRT1146

44' : 21099+4422
STF2772

46' : 21105+4538
BRT1145

52' : 21108+4417
A 882

53' : 21046+4541
ES 1168

55' : 21137+4453
LDS2498

59' : 21118+4417
TDT2812

59' : 21120+4419
TDT2816

61' : 21121+4543
BU 160AB

62' : 21022+4506
LDS2481

63' : 21114+4551
COU2435

65' : 21101+4359
HJ 1618AB

65' : 21103+4359
STF2773AB

66' : 21136+4433
ES 1333

66' : 21122+4549
ES 1272

67' : 21139+4438
TDT2839

67' : 21102+4603
SMA 131



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

21080+4500 TDT 2774

 
 
21h 08m 02.59s +45° 00' 07.4" P.A. 173.00 sep 1.8 mag 11.53,11.91
 
 
Coord 2000 21080+4500 Discov num TDT2774 Comp Coord arcsec 2000 21 08 02.59 +45 00 07.4
Date first 1991 Date last 2016 Obs 3
Pa first 176 Pa last 172.8 P.A. Now (θ) 172.8°
Sep first 2.1 Sep last 1.816 Sep. Now (ρ) 1.816"
Mag pri 11.53 Mag sec 11.91 delta mag (ΔM) 0.38 Spectral class
Pri motion ra -016 Sec motion ra -016
Pri motion dec +003 Sec motion dec +003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3588-11871-1 Gaia DR2 2162516037839187200
 
 
WDS 21080+4500 TDT 2774 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21080+4500 TDT2774 1991 1 176 2.1 11.53 11.91 210802.59+450007.4
21080+4500 TDT2774 2015 2 173 1.8 11.53 11.91 210802.59+450007.4
21080+4500 TDT2774 2016 3 173 1.8 11.53 11.91 210802.59+450007.4

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

 
 
WDS 21080+4500 TDT 2774 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21080+4500 TDT 2774 : MEASURES
 
 
No records found.

 
 
WDS 21080+4500 : VIRTUAL EYEPIECE
 
 

21080+4500 TDT2774A mag 11.53 21080+4500 TDT2774B sep 1.8 P.A. 174.90 mag 11.91 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 21080+4500 : ALADIN DSS IMAGE @ 21h 08m 02.59s +45° 00' 07.4"
 
 
 
 
WDS 21080+4500 TDT 2774 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21080+4500 TDT2774 distance=0' 21071+4459 LDS2489 distance=2' 21080+4504 SMA 126 distance=5' 21075+4515 HJ 1615 distance=16' 21073+4440 A 881 distance=22' 21061+4448 ROE 45AB distance=24' 21061+4448 ROE 45AD distance=24' 21061+4448 ROE 45BC distance=26' 21061+4448 ROE 45BF distance=26' 21061+4448 ROE 45DE distance=27' 21061+4448 TDT2745Ca,Cb distance=28' 21061+4448 ROE 45CD distance=28' 21079+4430 LDS2490 distance=31' 21051+4444 SMA 124 distance=35' 21067+4538 TDT2754 distance=41' 21062+4535 LDS2487 distance=41' 21111+4530 BRT1146 distance=44' 21099+4422 STF2772 distance=44' 21105+4538 BRT1145 distance=46' 21108+4417 A 882 distance=52' 21046+4541 ES 1168 distance=53' 21137+4453 LDS2498 distance=55' 21118+4417 TDT2812 distance=59' 21120+4419 TDT2816 distance=59' 21121+4543 ES 9005BD distance=60' 21121+4543 BU 160BC distance=60' 21121+4543 BU 160AB distance=61' 21022+4506 LDS2481 distance=62' 21114+4551 COU2435 distance=63' 21101+4359 HJ 1618AB distance=65' 21103+4359 STF2773AB distance=65' 21103+4359 STF2773AC distance=65' 21103+4359 STF2773AD distance=65' 21103+4359 STF2773AE distance=65' 21101+4359 HJ 1618BC distance=65' 21136+4433 ES 1333 distance=66' 21122+4549 ES 1272 distance=66' 21103+4359 STF2773EF distance=66' 21139+4438 TDT2839 distance=67' 21102+4603 SMA 131 distance=67' 21125+4552 ES 1273AB distance=70' 21125+4552 ES 1273AC distance=70' 21125+4552 ES 1273CD distance=71' 21148+4518 TDT2855 distance=74' 21028+4551 BU 1138AB distance=75' 21028+4551 BU 1138AC distance=75' 21028+4551 KUI 104CD distance=78' 21028+4551 FYM 331CF distance=78' 21028+4551 BU 1138CE distance=78' 21028+4551 HLA 30CG distance=78' 21010+4528 ES 1271 distance=80' 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 21080+4500 TDT2774 173 1.8
Show 21071+4459 LDS2489 255 16.0 2
Show 21080+4504 SMA 126 18 8.9 5
Show 21075+4515 HJ 1615 277 14.4 16
Show 21073+4440 A 881 218 4.3 22
Show 21061+4448 ROE 45 AB 286 134.5 24
Show 21061+4448 ROE 45 AD 241 131.8 24
Show 21061+4448 ROE 45 BC 238 123.3 26
Show 21061+4448 ROE 45 BF 312 10.8 26
Show 21061+4448 ROE 45 DE 6 27.5 27
Show 21061+4448 TDT2745 Ca,Cb 116 0.6 28
Show 21061+4448 ROE 45 CD 107 124.4 28
Show 21079+4430 LDS2490 190 12.6 31
Show 21051+4444 SMA 124 72 9.2 35
Show 21067+4538 TDT2754 233 0.5 41
Show 21062+4535 LDS2487 271 5.2 41
Show 21111+4530 BRT1146 344 2.6 44
Show 21099+4422 STF2772 224 12.4 44
Show 21105+4538 BRT1145 163 3.8 46
Show 21108+4417 A 882 228 2.6 52
Show 21046+4541 ES 1168 118 1.4 53
Show 21137+4453 LDS2498 316 13.0 55
Show 21118+4417 TDT2812 258 0.5 59
Show 21120+4419 TDT2816 89 0.3 59
Show 21121+4543 ES 9005 BD 84 22.3 60
Show 21121+4543 BU 160 BC 115 6.4 60
Show 21121+4543 BU 160 AB 155 57.1 61
Show 21022+4506 LDS2481 16 12.1 62
Show 21114+4551 COU2435 169 1.4 63
Show 21101+4359 HJ 1618 AB 174 21.7 65
Show 21103+4359 STF2773 AB 112 3.3 65
Show 21103+4359 STF2773 AC 64 20.3 65
Show 21103+4359 STF2773 AD 262 29.4 65
Show 21103+4359 STF2773 AE 149 52.2 65
Show 21101+4359 HJ 1618 BC 132 2.9 65
Show 21136+4433 ES 1333 296 1.6 66
Show 21122+4549 ES 1272 53 3.8 66
Show 21103+4359 STF2773 EF 41 10.7 66
Show 21139+4438 TDT2839 352 1.2 67
Show 21102+4603 SMA 131 86 8.6 67
Show 21125+4552 ES 1273 AB 295 23.1 70
Show 21125+4552 ES 1273 AC 7 37.7 70
Show 21125+4552 ES 1273 CD 69 3.7 71
Show 21148+4518 TDT2855 1 0.5 74
Show 21028+4551 BU 1138 AB 172 0.1 75
Show 21028+4551 BU 1138 AC 330 152.1 75
Show 21028+4551 KUI 104 CD 85 2.7 78
Show 21028+4551 FYM 331 CF 39 11.9 78
Show 21028+4551 BU 1138 CE 249 23.6 78
Show 21028+4551 HLA 30 CG 148 7.3 78
Show 21010+4528 ES 1271 26 3.1 80

 
 
WDS 21080+4500 : COMPONENTS
 
 
  A
B pa=174.9°
sep=1.81"
 
 
21080+4500 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210802.59+450007.4 Mag 11.53 PmRA -16.00
PmDE 3.0 Tycho2 3588-11871-1
Tycho2
Tycho2 3588-11871-1 Pflag RAmdeg 317.01075396 DEmdeg 45.00203307
PmRA -16.0 PmDE 2.7 E RAmdeg 89 E DEmdeg 88
E pmRA 2.1 E pmDE 1.9 EpRAm 1966.39 EpDEm 1961.40
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.3 Q pmRA 0.0
Q pmDE 0.3 BTmag 13.807 E BTmag 0.478 VTmag 11.638
E VTmag 0.136 Prox 999 TYC HIP
CCDM RAdeg 317.01080694 DEdeg 45.00202694 EpRA 1990 1.61
EpDE 1990 1.63 E RAdeg 103.3 E DEdeg 106.4 Posflg
Corr 0.2
 
 
21080+4500 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210802.61+450005.6 Mag 11.91 PmRA -16.00
PmDE 3.0 Calc delta mag 0.38 Calc coord yes