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Doubles in session


Current system
20443+4716
TDT 2509


Nearby doubles
7' : 20450+4718
BRT2274

11' : 20434+4712
TDT2496

18' : 20437+4733
A 749

26' : 20437+4651
TDS1096

41' : 20431+4637
BRT2273

45' : 20481+4738
TDT2547

46' : 20482+4653
ES 669

48' : 20397+4721
A 748

49' : 20478+4750
ES 810

51' : 20466+4632
KUI 101

51' : 20478+4754
ES 2253

51' : 20397+4734
A 747AB

53' : 20427+4627
TDS1092

53' : 20414+4758
ES 809AB

57' : 20456+4621
HDS2955

58' : 20437+4619
HO 140

61' : 20389+4741
A 746

62' : 20454+4816
UC 254

62' : 20502+4732
ES 672

66' : 20379+4710
TDT2436

66' : 20438+4610
TDT2503

68' : 20499+4640
BU 250

73' : 20496+4805
HJ 1584

73' : 20501+4635
ES 671

73' : 20389+4803
CNT 7

74' : 20388+4629
BRT2268



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

20443+4716 TDT 2509

 
 
20h 44m 20.90s +47° 16' 05.3" P.A. 180.00 sep 1.4 mag 11.70,11.77
 
 
Coord 2000 20443+4716 Discov num TDT2509 Comp Coord arcsec 2000 20 44 20.90 +47 16 05.3
Date first 1991 Date last 2016 Obs 2
Pa first 285 Pa last 180.2 P.A. Now (θ) 180.2°
Sep first 0.9 Sep last 1.372 Sep. Now (ρ) 1.372"
Mag pri 11.70 Mag sec 11.77 delta mag (ΔM) 0.07 Spectral class
Pri motion ra +004 Sec motion ra +004
Pri motion dec -009 Sec motion dec -009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3578-00298-1 Gaia DR2 2166652366228983168
 
 
WDS 20443+4716 TDT 2509 : 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
20443+4716 TDT2509 1991 1 285 0.9 11.70 11.77 204420.90+471605.3
20443+4716 TDT2509 2016 2 180 1.4 11.70 11.77 204420.90+471605.3

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

 
 
WDS 20443+4716 TDT 2509 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20443+4716 TDT 2509 : MEASURES
 
 
No records found.

 
 
WDS 20443+4716 : VIRTUAL EYEPIECE
 
 

20443+4716 TDT2509A mag 11.7 20443+4716 TDT2509B sep 1.4 P.A. 180.10 mag 11.77 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 20443+4716 : ALADIN DSS IMAGE @ 20h 44m 20.90s +47° 16' 05.3"
 
 
 
 
WDS 20443+4716 TDT 2509 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20443+4716 TDT2509 distance=0' 20450+4718 BRT2274 distance=7' 20434+4712 TDT2496 distance=11' 20437+4733 A 749 distance=18' 20437+4651 TDS1096 distance=26' 20431+4637 BRT2273 distance=41' 20481+4738 TDT2547 distance=45' 20482+4653 ES 669 distance=46' 20397+4721 A 748 distance=48' 20478+4750 ES 810 distance=49' 20466+4632 KUI 101 distance=51' 20478+4754 ES 2253 distance=51' 20397+4734 A 747AB distance=51' 20397+4734 ES 90AB,C distance=51' 20427+4627 TDS1092 distance=53' 20414+4758 ES 809AB distance=53' 20414+4758 SKF2394AC distance=53' 20456+4621 HDS2955 distance=57' 20437+4619 HO 140 distance=58' 20389+4741 A 746 distance=61' 20454+4816 UC 254 distance=62' 20502+4732 ES 672 distance=62' 20379+4710 TDT2436 distance=66' 20438+4610 TDT2503 distance=66' 20499+4640 BU 250 distance=68' 20496+4805 HJ 1584 distance=73' 20501+4635 ES 671 distance=73' 20389+4803 CNT 7 distance=73' 20388+4629 BRT2268 distance=74' 20397+4806 ES 806AB distance=75' 20397+4806 ES 806AC distance=75' 20517+4721 TDT2584 distance=76' 20379+4757 HDS2944Ca,Cb distance=77' 20379+4757 STF2707AB distance=78' 20379+4757 STF2707AC distance=78' 20379+4757 ES 2697AD distance=78' 20379+4757 GUI 33BC distance=78' 20383+4804 ES 89AB distance=78' 20409+4828 ES 808 distance=80' 20508+4628 BRT2276AB distance=81' 20508+4628 FYM 314AC distance=81' 20508+4628 FYM 314AD distance=81' 20396+4823 RAO 616 distance=83' 20494+4613 ES 670 distance=83' 20522+4653 BRT2278 distance=84' 20489+4607 HJ 1581 distance=84' 20464+4551 CVR 230 distance=88' 20423+4549 WAL 132BC distance=89' 20423+4549 CTT 15BD distance=89' 20423+4549 CTT 15BE distance=89' 20361+4745 HJ 1549 distance=89' 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 20443+4716 TDT2509 180 1.4
Show 20450+4718 BRT2274 41 4.9 7
Show 20434+4712 TDT2496 49 1.7 11
Show 20437+4733 A 749 306 0.5 18
Show 20437+4651 TDS1096 147 0.9 26
Show 20431+4637 BRT2273 308 4.7 41
Show 20481+4738 TDT2547 73 2.5 45
Show 20482+4653 ES 669 28 6.8 46
Show 20397+4721 A 748 27 1.4 48
Show 20478+4750 ES 810 40 20.7 49
Show 20466+4632 KUI 101 112 0.3 51
Show 20478+4754 ES 2253 335 3.4 51
Show 20397+4734 A 747 AB 104 0.3 51
Show 20397+4734 ES 90 AB,C 141 7.1 51
Show 20427+4627 TDS1092 315 0.9 53
Show 20414+4758 ES 809 AB 285 1.6 53
Show 20414+4758 SKF2394 AC 68 3.0 53
Show 20456+4621 HDS2955 289 0.4 57
Show 20437+4619 HO 140 313 8.0 58
Show 20389+4741 A 746 150 2.0 61
Show 20454+4816 UC 254 181 17.9 62
Show 20502+4732 ES 672 166 4.6 62
Show 20379+4710 TDT2436 82 0.6 66
Show 20438+4610 TDT2503 68 0.5 66
Show 20499+4640 BU 250 7 18.3 68
Show 20496+4805 HJ 1584 223 4.3 73
Show 20501+4635 ES 671 91 1.6 73
Show 20389+4803 CNT 7 82 3.5 73
Show 20388+4629 BRT2268 320 3.4 74
Show 20397+4806 ES 806 AB 267 7.0 75
Show 20397+4806 ES 806 AC 24 11.9 75
Show 20517+4721 TDT2584 177 2.4 76
Show 20379+4757 HDS2944 Ca,Cb 29 0.4 77
Show 20379+4757 STF2707 AB 29 21.8 78
Show 20379+4757 STF2707 AC 195 55.3 78
Show 20379+4757 ES 2697 AD 192 17.5 78
Show 20379+4757 GUI 33 BC 199 76.6 78
Show 20383+4804 ES 89 AB 209 21.5 78
Show 20409+4828 ES 808 157 3.3 80
Show 20508+4628 BRT2276 AB 254 3.7 81
Show 20508+4628 FYM 314 AC 149 9.5 81
Show 20508+4628 FYM 314 AD 86 11.2 81
Show 20396+4823 RAO 616 122 1.8 83
Show 20494+4613 ES 670 81 6.5 83
Show 20522+4653 BRT2278 196 3.2 84
Show 20489+4607 HJ 1581 170 22.4 84
Show 20464+4551 CVR 230 7 112.9 88
Show 20423+4549 WAL 132 BC 4 40.1 89
Show 20423+4549 CTT 15 BD 178 86.6 89
Show 20423+4549 CTT 15 BE 141 87.9 89
Show 20361+4745 HJ 1549 55 5.5 89

 
 
WDS 20443+4716 : COMPONENTS
 
 
  A
B pa=180.1°
sep=1.37"
 
 
20443+4716 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204420.90+471605.3 Mag 11.7 PmRA 4.00
PmDE -9.0 Tycho2 3578-00298-1
Tycho2
Tycho2 3578-00298-1 Pflag RAmdeg 311.08697114 DEmdeg 47.26816543
PmRA 3.6 PmDE -9.1 E RAmdeg 32 E DEmdeg 39
E pmRA 1.6 E pmDE 1.6 EpRAm 1984.07 EpDEm 1981.98
Num 5 Q RAmdeg 2.2 Q DEmdeg 1.2 Q pmRA 2.2
Q pmDE 1.2 BTmag 11.713 E BTmag 0.072 VTmag 11.280
E VTmag 0.084 Prox 999 TYC T HIP
CCDM RAdeg 311.08699472 DEdeg 47.26818056 EpRA 1990 1.63
EpDE 1990 1.62 E RAdeg 47.9 E DEdeg 52.3 Posflg
Corr 0.1
 
 
20443+4716 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204420.90+471603.9 Mag 11.77 PmRA 4.00
PmDE -9.0 Calc delta mag 0.07 Calc coord yes