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Current system
21118+4417
TDT 2812


Nearby doubles
4' : 21120+4419
TDT2816

11' : 21108+4417
A 882

21' : 21099+4422
STF2772

24' : 21103+4359
STF2773AB

26' : 21101+4359
HJ 1618AB

26' : 21136+4433
ES 1333

29' : 21139+4400
COU2299

32' : 21112+4346
ES 1454AB

32' : 21139+4438
TDT2839

40' : 21137+4453
LDS2498

43' : 21079+4430
LDS2490

53' : 21152+4339
LDS2501

54' : 21073+4440
A 881

54' : 21161+4444
MCN 2

55' : 21100+4326
ES 1453

57' : 21166+4357
BRT1147

57' : 21145+4329
J 610

59' : 21071+4459
LDS2489

59' : 21080+4500
TDT2774

61' : 21166+4448
ES 97

63' : 21080+4504
SMA 126

64' : 21171+4350
TDT2882

64' : 21154+4325
LDS2502

68' : 21169+4456
A 885

68' : 21158+4326
TDT2867

68' : 21061+4448
ROE 45AB



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

21118+4417 TDT 2812

 
 
21h 11m 46.21s +44° 16' 44.5" P.A. 258.00 sep 0.5 mag 10.88,10.94 Sp A0V
 
 
Coord 2000 21118+4417 Discov num TDT2812 Comp Coord arcsec 2000 21 11 46.21 +44 16 44.5
Date first 1991 Date last 1991 Obs 1
Pa first 258 Pa last 258.2 P.A. Now (θ) 258.2°
Sep first 0.5 Sep last 0.49 Sep. Now (ρ) 0.49"
Mag pri 10.88 Mag sec 10.94 delta mag (ΔM) 0.06 Spectral class A0V (white)
Pri motion ra +003 Sec motion ra +003
Pri motion dec -006 Sec motion dec -006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3181-03987-1 Gaia DR2 1970290137955989888
 
 
WDS 21118+4417 TDT 2812 : 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
21118+4417 TDT2812 1991 1 258 0.5 10.88 10.94 211146.21+441644.5

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

 
 
WDS 21118+4417 TDT 2812 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21118+4417 TDT 2812 : MEASURES
 
 
No records found.

 
 
WDS 21118+4417 : VIRTUAL EYEPIECE
 
 

21118+4417 TDT2812A mag 10.88 Sp A0V 21118+4417 TDT2812B sep 0.4 P.A. 253.70 mag 10.94 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 21118+4417 : ALADIN DSS IMAGE @ 21h 11m 46.21s +44° 16' 44.5"
 
 
 
 
WDS 21118+4417 TDT 2812 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21118+4417 TDT2812 distance=0' 21120+4419 TDT2816 distance=4' 21108+4417 A 882 distance=11' 21099+4422 STF2772 distance=21' 21103+4359 STF2773AB distance=24' 21103+4359 STF2773AC distance=24' 21103+4359 STF2773AD distance=24' 21103+4359 STF2773AE distance=24' 21103+4359 STF2773EF distance=24' 21101+4359 HJ 1618AB distance=26' 21101+4359 HJ 1618BC distance=26' 21136+4433 ES 1333 distance=26' 21139+4400 COU2299 distance=29' 21112+4346 ES 1454AB distance=32' 21139+4438 TDT2839 distance=32' 21112+4346 ES 1454BC distance=32' 21137+4453 LDS2498 distance=40' 21079+4430 LDS2490 distance=43' 21152+4339 LDS2501 distance=53' 21073+4440 A 881 distance=54' 21161+4444 MCN 2 distance=54' 21100+4326 ES 1453 distance=55' 21166+4357 BRT1147 distance=57' 21145+4329 J 610 distance=57' 21071+4459 LDS2489 distance=59' 21080+4500 TDT2774 distance=59' 21166+4448 ES 97 distance=61' 21080+4504 SMA 126 distance=63' 21171+4350 TDT2882 distance=64' 21154+4325 LDS2502 distance=64' 21169+4456 A 885 distance=68' 21158+4326 TDT2867 distance=68' 21061+4448 ROE 45AB distance=68' 21061+4448 ROE 45AD distance=68' 21176+4350 COU2301 distance=69' 21061+4448 ROE 45DE distance=69' 21187+4428 LDS2507 distance=70' 21148+4518 TDT2855 distance=70' 21061+4448 ROE 45BC distance=70' 21061+4448 ROE 45BF distance=70' 21061+4448 TDT2745Ca,Cb distance=72' 21061+4448 ROE 45CD distance=72' 21086+4312 GRV 423 distance=73' 21075+4515 HJ 1615 distance=73' 21111+4530 BRT1146 distance=74' 21058+4341 BU 679 distance=74' 21071+4322 ES 1452 distance=74' 21185+4357 TRN 32 distance=75' 21051+4444 SMA 124 distance=76' 21118+4259 STJ 91 distance=78' 21105+4300 VKI 39 distance=78' 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 21118+4417 TDT2812 258 0.5
Show 21120+4419 TDT2816 89 0.3 4
Show 21108+4417 A 882 228 2.6 11
Show 21099+4422 STF2772 224 12.4 21
Show 21103+4359 STF2773 AB 112 3.3 24
Show 21103+4359 STF2773 AC 64 20.3 24
Show 21103+4359 STF2773 AD 262 29.4 24
Show 21103+4359 STF2773 AE 149 52.2 24
Show 21103+4359 STF2773 EF 41 10.7 24
Show 21101+4359 HJ 1618 AB 174 21.7 26
Show 21101+4359 HJ 1618 BC 132 2.9 26
Show 21136+4433 ES 1333 296 1.6 26
Show 21139+4400 COU2299 33 0.4 29
Show 21112+4346 ES 1454 AB 111 66.8 32
Show 21139+4438 TDT2839 352 1.2 32
Show 21112+4346 ES 1454 BC 285 3.2 32
Show 21137+4453 LDS2498 316 13.0 40
Show 21079+4430 LDS2490 190 12.6 43
Show 21152+4339 LDS2501 274 11.3 53
Show 21073+4440 A 881 218 4.3 54
Show 21161+4444 MCN 2 303 16.0 54
Show 21100+4326 ES 1453 67 5.3 55
Show 21166+4357 BRT1147 2.6 57
Show 21145+4329 J 610 26 3.3 57
Show 21071+4459 LDS2489 255 16.0 59
Show 21080+4500 TDT2774 173 1.8 59
Show 21166+4448 ES 97 290 7.5 61
Show 21080+4504 SMA 126 18 8.9 63
Show 21171+4350 TDT2882 334 0.6 64
Show 21154+4325 LDS2502 172 67.0 64
Show 21169+4456 A 885 153 3.9 68
Show 21158+4326 TDT2867 305 0.6 68
Show 21061+4448 ROE 45 AB 286 134.5 68
Show 21061+4448 ROE 45 AD 241 131.8 68
Show 21176+4350 COU2301 69 0.5 69
Show 21061+4448 ROE 45 DE 6 27.5 69
Show 21187+4428 LDS2507 182 3.0 70
Show 21148+4518 TDT2855 1 0.5 70
Show 21061+4448 ROE 45 BC 238 123.3 70
Show 21061+4448 ROE 45 BF 312 10.8 70
Show 21061+4448 TDT2745 Ca,Cb 116 0.6 72
Show 21061+4448 ROE 45 CD 107 124.4 72
Show 21086+4312 GRV 423 212 62.4 73
Show 21075+4515 HJ 1615 277 14.4 73
Show 21111+4530 BRT1146 344 2.6 74
Show 21058+4341 BU 679 75 0.7 74
Show 21071+4322 ES 1452 19 2.3 74
Show 21185+4357 TRN 32 81 3.8 75
Show 21051+4444 SMA 124 72 9.2 76
Show 21118+4259 STJ 91 271 1.0 78
Show 21105+4300 VKI 39 236 1.3 78

 
 
WDS 21118+4417 : COMPONENTS
 
 
  A
B pa=253.7°
sep=0.36"
 
 
21118+4417 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211146.21+441644.5 Mag 10.88 Spectral class A0V (white)
PmRA 3.00 PmDE -6.0 Tycho2 3181-03987-1
Tycho2
Tycho2 3181-03987-1 Pflag RAmdeg 317.94242646 DEmdeg 44.27901041
PmRA 2.8 PmDE -5.5 E RAmdeg 19 E DEmdeg 20
E pmRA 1.4 E pmDE 1.4 EpRAm 1988.65 EpDEm 1988.97
Num 4 Q RAmdeg 1.1 Q DEmdeg 0.6 Q pmRA 1.1
Q pmDE 0.7 BTmag 10.421 E BTmag 0.032 VTmag 10.270
E VTmag 0.037 Prox 926 TYC T HIP
CCDM RAdeg 317.94242167 DEdeg 44.27902250 EpRA 1990 1.79
EpDE 1990 1.69 E RAdeg 20.6 E DEdeg 21.3 Posflg
Corr 0.0
 
 
21118+4417 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211146.18+441644.4 Mag 10.94 PmRA 3.00
PmDE -6.0 Calc delta mag 0.06 Calc coord yes