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Current system
21037+3857
TDT 2720


Nearby doubles
5' : 21040+3854
TDT2723

16' : 21047+3908
SEI1393

16' : 21037+3842
SEI1384

20' : 21025+3844
SEI1374

24' : 21051+3914
ES 1987

26' : 21020+3914
LV 9

26' : 21015+3855
SEI1371

26' : 21052+3838
ALI 958

28' : 21042+3924
SEI1389

29' : 21013+3846
ES 2057

29' : 21018+3916
STF2746

33' : 21035+3825
SEI1381

34' : 21009+3900
SEI1365

37' : 21023+3931
H 4 113AB

40' : 21069+3845
STF2758AB

41' : 21058+3929
A 2691AB

41' : 21071+3905
ALI 960

41' : 21071+3852
MLB 888

43' : 21073+3857
MLB 889

43' : 21070+3839
ES 2059

44' : 21074+3853
MLB 890

44' : 21068+3834
TDT2758

45' : 21054+3937
CRB 137

45' : 21072+3841
MLB1018

46' : 21074+3841
MLB1019

50' : 21029+3946
SEI1379



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

21037+3857 TDT 2720

 
 
21h 03m 41.54s +38° 57' 05.1" P.A. 214.00 sep 0.5 mag 10.62,10.62
 
 
Coord 2000 21037+3857 Discov num TDT2720 Comp Coord arcsec 2000 21 03 41.54 +38 57 05.1
Date first 1991 Date last 1991 Obs 1
Pa first 214 Pa last 214.1 P.A. Now (θ) 214.1°
Sep first 0.5 Sep last 0.49 Sep. Now (ρ) 0.49"
Mag pri 10.62 Mag sec 10.62 delta mag (ΔM) 0 Spectral class
Pri motion ra +002 Sec motion ra +002
Pri motion dec +027 Sec motion dec +027
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3168-00440-1 Gaia DR2 1872205076459607424
 
 
WDS 21037+3857 TDT 2720 : 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
21037+3857 TDT2720 1991 1 214 0.5 10.62 10.62 210341.54+385705.1

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

 
 
WDS 21037+3857 TDT 2720 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21037+3857 TDT 2720 : MEASURES
 
 
No records found.

 
 
WDS 21037+3857 : VIRTUAL EYEPIECE
 
 

21037+3857 TDT2720A mag 10.62 21037+3857 TDT2720B sep 0.5 P.A. 207.80 mag 10.62 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 21037+3857 : ALADIN DSS IMAGE @ 21h 03m 41.54s +38° 57' 05.1"
 
 
 
 
WDS 21037+3857 TDT 2720 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21037+3857 TDT2720 distance=0' 21040+3854 TDT2723 distance=5' 21047+3908 SEI1393 distance=16' 21037+3842 SEI1384 distance=16' 21025+3844 SEI1374 distance=20' 21051+3914 ES 1987 distance=24' 21020+3914 LV 9 distance=26' 21015+3855 SEI1371 distance=26' 21052+3838 ALI 958 distance=26' 21042+3924 SEI1389 distance=28' 21013+3846 ES 2057 distance=29' 21018+3916 STF2746 distance=29' 21035+3825 SEI1381 distance=33' 21009+3900 SEI1365 distance=34' 21023+3931 WRD 4ED distance=37' 21023+3931 WRD 4EH distance=37' 21023+3931 H 4 113AB distance=37' 21023+3931 H 4 113AC distance=37' 21023+3931 SMY 6AE distance=37' 21023+3931 WRD 4AF distance=37' 21023+3931 SMY 6AD distance=37' 21023+3931 WRD 4AG distance=37' 21023+3931 FYM 114AI distance=37' 21069+3845 STF2758AB distance=40' 21069+3845 STF2758AD distance=40' 21069+3845 STF2758AE distance=40' 21069+3845 STF2758AF distance=40' 21069+3845 STF2758AG distance=40' 21069+3845 STF2758AH distance=40' 21069+3845 SMR 1AI distance=40' 21069+3845 STF2758AC distance=40' 21069+3845 HZE 4AJ distance=40' 21069+3845 HZE 4AK distance=40' 21069+3845 SMR 40AO distance=40' 21069+3845 SMR 40AP distance=40' 21069+3845 SMR 40AQ distance=40' 21069+3845 HZE 4BL distance=40' 21069+3845 TNN 15BR distance=40' 21069+3845 STF2758BC distance=40' 21069+3845 FYM 106BM distance=40' 21069+3845 FYM 106BN distance=40' 21058+3929 A 2691AB distance=41' 21058+3929 A 2691AC distance=41' 21071+3905 ALI 960 distance=41' 21058+3929 A 2691CD distance=41' 21071+3852 MLB 888 distance=41' 21073+3857 MLB 889 distance=43' 21070+3839 ES 2059 distance=43' 21074+3853 MLB 890 distance=44' 21068+3834 TDT2758 distance=44' 21054+3937 CRB 137 distance=45' 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 21037+3857 TDT2720 214 0.5
Show 21040+3854 TDT2723 122 2.6 5
Show 21047+3908 SEI1393 132 25.7 16
Show 21037+3842 SEI1384 95 26.4 16
Show 21025+3844 SEI1374 104 17.0 20
Show 21051+3914 ES 1987 354 7.0 24
Show 21020+3914 LV 9 195 2.3 26
Show 21015+3855 SEI1371 147 11.2 26
Show 21052+3838 ALI 958 146 8.1 26
Show 21042+3924 SEI1389 61 18.2 28
Show 21013+3846 ES 2057 258 5.0 29
Show 21018+3916 STF2746 323 1.2 29
Show 21035+3825 SEI1381 170 16.9 33
Show 21009+3900 SEI1365 263 18.4 34
Show 21023+3931 WRD 4 ED 230 77.7 37
Show 21023+3931 WRD 4 EH 159 37.4 37
Show 21023+3931 H 4 113 AB 299 18.9 37
Show 21023+3931 H 4 113 AC 248 26.7 37
Show 21023+3931 SMY 6 AE 87 95.7 37
Show 21023+3931 WRD 4 AF 223 101.8 37
Show 21023+3931 SMY 6 AD 141 57.0 37
Show 21023+3931 WRD 4 AG 230 95.0 37
Show 21023+3931 FYM 114 AI 277 41.1 37
Show 21069+3845 STF2758 AB 154 32.0 40
Show 21069+3845 STF2758 AD 250 748.0 40
Show 21069+3845 STF2758 AE 267 340.8 40
Show 21069+3845 STF2758 AF 240 371.2 40
Show 21069+3845 STF2758 AG 236 260.4 40
Show 21069+3845 STF2758 AH 263 134.0 40
Show 21069+3845 SMR 1 AI 236 49.3 40
Show 21069+3845 STF2758 AC 219 839.8 40
Show 21069+3845 HZE 4 AJ 241 17.5 40
Show 21069+3845 HZE 4 AK 83 7.8 40
Show 21069+3845 SMR 40 AO 275 176.6 40
Show 21069+3845 SMR 40 AP 284 166.5 40
Show 21069+3845 SMR 40 AQ 295 76.1 40
Show 21069+3845 HZE 4 BL 145 9.9 40
Show 21069+3845 TNN 15 BR 77 11.5 40
Show 21069+3845 STF2758 BC 221 827.6 40
Show 21069+3845 FYM 106 BM 238 100.7 40
Show 21069+3845 FYM 106 BN 152 48.3 40
Show 21058+3929 A 2691 AB 217 2.7 41
Show 21058+3929 A 2691 AC 313 27.4 41
Show 21071+3905 ALI 960 110 12.9 41
Show 21058+3929 A 2691 CD 275 6.4 41
Show 21071+3852 MLB 888 55 4.0 41
Show 21073+3857 MLB 889 5 7.0 43
Show 21070+3839 ES 2059 267 6.8 43
Show 21074+3853 MLB 890 250 5.3 44
Show 21068+3834 TDT2758 236 2.0 44
Show 21054+3937 CRB 137 352 29.3 45

 
 
WDS 21037+3857 : COMPONENTS
 
 
  A
B pa=207.8°
sep=0.46"
 
 
21037+3857 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210341.54+385705.1 Mag 10.62 PmRA 2.00
PmDE 27.0 Tycho2 3168-00440-1
Tycho2
Tycho2 3168-00440-1 Pflag RAmdeg 315.92302187 DEmdeg 38.95135646
PmRA 2.0 PmDE 27.3 E RAmdeg 22 E DEmdeg 20
E pmRA 1.7 E pmDE 1.6 EpRAm 1988.54 EpDEm 1988.67
Num 7 Q RAmdeg 0.9 Q DEmdeg 0.9 Q pmRA 0.9
Q pmDE 1.0 BTmag 11.846 E BTmag 0.075 VTmag 9.974
E VTmag 0.027 Prox 999 TYC T HIP
CCDM RAdeg 315.92301861 DEdeg 38.95129083 EpRA 1990 1.65
EpDE 1990 1.75 E RAdeg 24.4 E DEdeg 22.0 Posflg
Corr 0.0
 
 
21037+3857 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210341.52+385704.7 Mag 10.62 PmRA 2.00
PmDE 27.0 Calc coord yes