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Current system
21123+3658
TDT 2823


Nearby doubles
14' : 21130+3648
SEI1452

14' : 21135+3658
SEI1453

15' : 21112+3652
SEI1436

18' : 21113+3646
COU1970

21' : 21129+3717
SEI1449

23' : 21138+3711
COU1816AB

24' : 21108+3643
TDT2807

24' : 21104+3705
SEI1427

29' : 21104+3640
TDT2802

29' : 21099+3659
SEI1422

29' : 21137+3635
LDT 19

32' : 21098+3646
WSI 50AB

33' : 21149+3702
COU1818

36' : 21145+3635
SEI1462

36' : 21130+3732
HEI 283AB

37' : 21114+3623
SEI1437

38' : 21102+3726
HU 1309AB

38' : 21151+3716
SEI1472

39' : 21117+3621
SEI1439AB

39' : 21133+3734
ES 208

40' : 21094+3716
SEI1419

40' : 21090+3652
LDS5917

40' : 21129+3619
SEI1450

41' : 21143+3627
SEI1459

41' : 21105+3733
TDT2804

42' : 21089+3706
TDT2784



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

21123+3658 TDT 2823

 
 
21h 12m 16.73s +36° 57' 52.2" P.A. 149.00 sep 2.2 mag 11.61,13.01
 
 
Coord 2000 21123+3658 Discov num TDT2823 Comp Coord arcsec 2000 21 12 16.73 +36 57 52.2
Date first 1991 Date last 1991 Obs 1
Pa first 149 Pa last 149.3 P.A. Now (θ) 149.3°
Sep first 2.2 Sep last 2.21 Sep. Now (ρ) 2.21"
Mag pri 11.61 Mag sec 13.01 delta mag (ΔM) 1.4 Spectral class
Pri motion ra -004 Sec motion ra -004
Pri motion dec -044 Sec motion dec -044
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2714-02194-1 Gaia DR2 1868646885028893312
 
 
WDS 21123+3658 TDT 2823 : 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
21123+3658 TDT2823 1991 1 149 2.2 11.61 13.01 211216.73+365752.2

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

 
 
WDS 21123+3658 TDT 2823 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21123+3658 TDT 2823 : MEASURES
 
 
No records found.

 
 
WDS 21123+3658 : VIRTUAL EYEPIECE
 
 

21123+3658 TDT2823A mag 11.61 21123+3658 TDT2823B sep 2.1 P.A. 154.60 mag 13.01 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 21123+3658 : ALADIN DSS IMAGE @ 21h 12m 16.73s +36° 57' 52.2"
 
 
 
 
WDS 21123+3658 TDT 2823 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21123+3658 TDT2823 distance=0' 21130+3648 SEI1452 distance=14' 21135+3658 SEI1453 distance=14' 21112+3652 SEI1436 distance=15' 21113+3646 COU1970 distance=18' 21129+3717 SEI1449 distance=21' 21125+3720 FOX 41BC distance=22' 21125+3720 HJ 1623A,BC distance=22' 21138+3711 COU1816AB distance=23' 21138+3711 WSI 37AC distance=23' 21108+3643 TDT2807 distance=24' 21104+3705 SEI1427 distance=24' 21104+3640 TDT2802 distance=29' 21099+3659 SEI1422 distance=29' 21137+3635 LDT 19 distance=29' 21098+3646 SEI1421AC distance=32' 21098+3646 WSI 50AB distance=32' 21149+3702 COU1818 distance=33' 21145+3635 SEI1462 distance=36' 21130+3732 HEI 283AB distance=36' 21130+3732 HEI 283BC distance=37' 21114+3623 SEI1437 distance=37' 21102+3726 HU 1309AB distance=38' 21102+3726 HU 1309AC distance=38' 21151+3716 SEI1472 distance=38' 21117+3621 SEI1439AB distance=39' 21133+3734 ES 208 distance=39' 21117+3621 TOB 213BC distance=39' 21094+3716 SEI1419 distance=40' 21090+3652 LDS5917 distance=40' 21129+3619 SEI1450 distance=40' 21143+3627 SEI1459 distance=41' 21105+3733 TDT2804 distance=41' 21089+3706 TDT2784 distance=42' 21148+3631 SEI1468 distance=42' 21110+3619 SEI1435 distance=42' 21092+3638 COU1966 distance=43' 21151+3634 SEI1473 distance=43' 21111+3618 HO 283Aa,Ab distance=43' 21111+3618 HO 283AB distance=43' 21152+3722 TDT2859 distance=43' 21156+3715 HO 285AB distance=43' 21156+3715 WAL 138AC distance=43' 21092+3635 GRV 425 distance=44' 21088+3707 SEI1416 distance=44' 21108+3738 ALI 681 distance=44' 21106+3737 HU 1310 distance=45' 21155+3719 MLB 424AB distance=45' 21155+3719 SEI1478AC distance=45' 21133+3743 SMA 142 distance=45' 21133+3744 SMA 141 distance=46' 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 21123+3658 TDT2823 149 2.2
Show 21130+3648 SEI1452 336 26.5 14
Show 21135+3658 SEI1453 271 28.3 14
Show 21112+3652 SEI1436 106 13.3 15
Show 21113+3646 COU1970 106 0.6 18
Show 21129+3717 SEI1449 295 13.9 21
Show 21125+3720 FOX 41 BC 124 0.9 22
Show 21125+3720 HJ 1623 A,BC 152 15.3 22
Show 21138+3711 COU1816 AB 248 1.8 23
Show 21138+3711 WSI 37 AC 336 10.0 23
Show 21108+3643 TDT2807 273 1.4 24
Show 21104+3705 SEI1427 164 25.3 24
Show 21104+3640 TDT2802 92 0.5 29
Show 21099+3659 SEI1422 330 20.5 29
Show 21137+3635 LDT 19 6 0.4 29
Show 21098+3646 SEI1421 AC 182 7.9 32
Show 21098+3646 WSI 50 AB 346 4.9 32
Show 21149+3702 COU1818 31 1.4 33
Show 21145+3635 SEI1462 231 11.2 36
Show 21130+3732 HEI 283 AB 73 35.7 36
Show 21130+3732 HEI 283 BC 80 3.3 37
Show 21114+3623 SEI1437 165 24.4 37
Show 21102+3726 HU 1309 AB 171 3.0 38
Show 21102+3726 HU 1309 AC 239 21.9 38
Show 21151+3716 SEI1472 97 23.0 38
Show 21117+3621 SEI1439 AB 195 26.6 39
Show 21133+3734 ES 208 142 3.8 39
Show 21117+3621 TOB 213 BC 171 16.5 39
Show 21094+3716 SEI1419 141 17.7 40
Show 21090+3652 LDS5917 267 5.2 40
Show 21129+3619 SEI1450 169 17.8 40
Show 21143+3627 SEI1459 187 14.7 41
Show 21105+3733 TDT2804 117 0.8 41
Show 21089+3706 TDT2784 124 2.4 42
Show 21148+3631 SEI1468 245 19.0 42
Show 21110+3619 SEI1435 187 30.1 42
Show 21092+3638 COU1966 132 1.4 43
Show 21151+3634 SEI1473 99 21.9 43
Show 21111+3618 HO 283 Aa,Ab 178 0.8 43
Show 21111+3618 HO 283 AB 211 20.8 43
Show 21152+3722 TDT2859 248 1.7 43
Show 21156+3715 HO 285 AB 22 9.2 43
Show 21156+3715 WAL 138 AC 29 57.3 43
Show 21092+3635 GRV 425 266 32.6 44
Show 21088+3707 SEI1416 59 6.0 44
Show 21108+3738 ALI 681 21 12.0 44
Show 21106+3737 HU 1310 22 2.8 45
Show 21155+3719 MLB 424 AB 63 5.1 45
Show 21155+3719 SEI1478 AC 217 9.7 45
Show 21133+3743 SMA 142 176 12.4 45
Show 21133+3744 SMA 141 149 7.3 46

 
 
WDS 21123+3658 : COMPONENTS
 
 
  A
B pa=154.6°
sep=2.10"
 
 
21123+3658 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211216.73+365752.2 Mag 11.61 PmRA -4.00
PmDE -44.0 Tycho2 2714-02194-1
Tycho2
Tycho2 2714-02194-1 Pflag RAmdeg 318.06972310 DEmdeg 36.96444678
PmRA -3.7 PmDE -43.7 E RAmdeg 84 E DEmdeg 71
E pmRA 3.0 E pmDE 2.7 EpRAm 1980.79 EpDEm 1982.49
Num 3 Q RAmdeg 0.1 Q DEmdeg 6.4 Q pmRA 0.1
Q pmDE 6.5 BTmag 12.708 E BTmag 0.188 VTmag 11.559
E VTmag 0.093 Prox 526 TYC HIP
CCDM RAdeg 318.06973389 DEdeg 36.96455861 EpRA 1990 1.71
EpDE 1990 1.71 E RAdeg 90.4 E DEdeg 76.4 Posflg
Corr 0.1
 
 
21123+3658 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211216.81+365750.3 Mag 13.01 PmRA -4.00
PmDE -44.0 Calc delta mag 1.4 Calc coord yes