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Current system
20266+4724
HDS 2924


Nearby doubles
6' : 20261+4725
TDT2268

9' : 20274+4727
A 732

22' : 20246+4732
STJ 107

25' : 20287+4737
GRF 17

28' : 20239+4718
TDT2236

41' : 20239+4655
PLT 9

43' : 20243+4800
TDT2240

46' : 20227+4748
OPI9005

47' : 20225+4704
HEI 878

48' : 20269+4636
KPP4199

49' : 20244+4641
TDT2242

50' : 20223+4748
HJ 1510AB

52' : 20273+4815
TDT2286

53' : 20281+4815
ES 803

55' : 20233+4807
A 727

61' : 20281+4822
TDT2302

61' : 20237+4632
HJ 1513

63' : 20304+4634
ES 663

67' : 20280+4829
HU 587

68' : 20322+4648
A 736AB

72' : 20336+4719
ES 665

73' : 20325+4644
GII 101

74' : 20269+4611
BRT2263

74' : 20335+4703
A 738AB

74' : 20335+4702
BKO 155

74' : 20334+4752
J 4



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

20266+4724 HDS 2924

 
 
20h 26m 36.92s +47° 24' 14.5" P.A. 209.00 sep 1.5 mag 9.97,11.63 Sp B8 dist. 3571.43 pc (11650 l.y.)
 
 
Coord 2000 20266+4724 Discov num HDS2924 Comp Coord arcsec 2000 20 26 36.92 +47 24 14.5
Date first 1991 Date last 2016 Obs 5
Pa first 209 Pa last 208.5 P.A. Now (θ) 208.5°
Sep first 1.5 Sep last 1.48 Sep. Now (ρ) 1.48"
Mag pri 9.97 Mag sec 11.63 delta mag (ΔM) 1.66 Spectral class B8 (blue-white)
Pri motion ra -007 Sec motion ra -007
Pri motion dec -005 Sec motion dec -005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 100823 Tycho2 3577-01778-1 Gaia DR2 2083569002730812160
BD BD+46 2937 Distance 3571.43 Distance ly 11650
 
 
WDS 20266+4724 HDS 2924 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20266+4724 HDS2924 1991 2 212 1.4 9.97 11.63 B8 202636.92+472414.5
20266+4724 HDS2924 2009 4 210 1.5 9.97 11.63 B8 202636.92+472414.5
20266+4724 HDS2924 2016 5 209 1.5 9.97 11.63 B8 202636.92+472414.5

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

 
 
WDS 20266+4724 HDS 2924 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20266+4724 HDS 2924 : MEASURES
 
 
No records found.

 
 
WDS 20266+4724 : VIRTUAL EYEPIECE
 
 

20266+4724 HDS2924A mag 9.97 Sp B8 20266+4724 HDS2924B sep 1.4 P.A. 200.20 mag 11.63 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20266+4724 : ALADIN DSS IMAGE @ 20h 26m 36.92s +47° 24' 14.5"
 
 
 
 
WDS 20266+4724 HDS 2924 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20266+4724 HDS2924 distance=0' 20261+4725 TDT2268 distance=6' 20274+4727 A 732 distance=9' 20246+4732 STJ 107 distance=22' 20287+4737 GRF 17 distance=25' 20239+4718 TDT2236 distance=28' 20239+4655 PLT 9 distance=41' 20243+4800 TDT2240 distance=43' 20227+4748 OPI9005 distance=46' 20225+4704 HEI 878 distance=47' 20269+4636 KPP4199 distance=48' 20223+4748 HJ 1511EF distance=49' 20244+4641 TDT2242 distance=49' 20223+4748 HJ 1510AB distance=50' 20223+4748 ES 29AC distance=50' 20223+4748 ES 29AD distance=50' 20223+4748 ES 29AE distance=50' 20273+4815 TDT2286 distance=52' 20281+4815 ES 803 distance=53' 20233+4807 A 727 distance=55' 20281+4822 TDT2302 distance=61' 20237+4632 HJ 1513 distance=61' 20304+4634 ES 663 distance=63' 20280+4829 HU 587 distance=67' 20322+4648 A 736AB distance=68' 20322+4648 DAM 636AC distance=68' 20336+4719 ES 665 distance=72' 20325+4644 GII 101 distance=73' 20269+4611 BRT2263 distance=74' 20335+4703 HJ 1541BC distance=74' 20335+4703 A 738AB distance=74' 20335+4703 HJ 1541AC distance=74' 20335+4703 SS 9AD distance=74' 20335+4703 SS 9AE distance=74' 20335+4703 SS 9AF distance=74' 20335+4703 SS 9AG distance=74' 20335+4703 SS 9AH distance=74' 20335+4702 BKO 155 distance=74' 20334+4752 J 4 distance=74' 20231+4618 TDT2226 distance=76' 20196+4754 BLL 49 distance=77' 20328+4646 POP 156 distance=78' 20326+4635 ES 664 distance=79' 20246+4842 ES 2694 distance=80' 20329+4636 KRV 41 distance=81' 20225+4613 A 726 distance=83' 20196+4807 ES 503 distance=84' 20341+4804 YSC 116 distance=86' 20339+4642 HDS2940Aa,Ab distance=86' 20339+4642 BU 1489AB distance=86' 20349+4651 STTA208AB distance=91' 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 20266+4724 HDS2924 209 1.5
Show 20261+4725 TDT2268 50 0.7 6
Show 20274+4727 A 732 78 0.7 9
Show 20246+4732 STJ 107 67 1.1 22
Show 20287+4737 GRF 17 102 160.1 25
Show 20239+4718 TDT2236 279 0.9 28
Show 20239+4655 PLT 9 27 4.4 41
Show 20243+4800 TDT2240 175 0.6 43
Show 20227+4748 OPI9005 231 29.4 46
Show 20225+4704 HEI 878 10 2.3 47
Show 20269+4636 KPP4199 284 1.5 48
Show 20223+4748 HJ 1511 EF 237 11.6 49
Show 20244+4641 TDT2242 343 0.7 49
Show 20223+4748 HJ 1510 AB 148 4.6 50
Show 20223+4748 ES 29 AC 326 6.7 50
Show 20223+4748 ES 29 AD 318 31.3 50
Show 20223+4748 ES 29 AE 121 55.9 50
Show 20273+4815 TDT2286 50 1.7 52
Show 20281+4815 ES 803 351 6.1 53
Show 20233+4807 A 727 61 0.9 55
Show 20281+4822 TDT2302 249 1.4 61
Show 20237+4632 HJ 1513 325 13.8 61
Show 20304+4634 ES 663 110 5.0 63
Show 20280+4829 HU 587 338 0.6 67
Show 20322+4648 A 736 AB 349 0.6 68
Show 20322+4648 DAM 636 AC 106 17.0 68
Show 20336+4719 ES 665 129 5.7 72
Show 20325+4644 GII 101 289 0.4 73
Show 20269+4611 BRT2263 34 4.1 74
Show 20335+4703 HJ 1541 BC 276 4.0 74
Show 20335+4703 A 738 AB 249 2.4 74
Show 20335+4703 HJ 1541 AC 266 6.3 74
Show 20335+4703 SS 9 AD 198 18.0 74
Show 20335+4703 SS 9 AE 54 20.7 74
Show 20335+4703 SS 9 AF 117 26.0 74
Show 20335+4703 SS 9 AG 176 27.6 74
Show 20335+4703 SS 9 AH 15 29.2 74
Show 20335+4702 BKO 155 310 8.2 74
Show 20334+4752 J 4 1 2.6 74
Show 20231+4618 TDT2226 183 1.2 76
Show 20196+4754 BLL 49 231 65.4 77
Show 20328+4646 POP 156 4 3.2 78
Show 20326+4635 ES 664 55 9.0 79
Show 20246+4842 ES 2694 321 11.9 80
Show 20329+4636 KRV 41 172 19.6 81
Show 20225+4613 A 726 276 0.5 83
Show 20196+4807 ES 503 1 5.2 84
Show 20341+4804 YSC 116 270 0.2 86
Show 20339+4642 HDS2940 Aa,Ab 46 0.3 86
Show 20339+4642 BU 1489 AB 16 116.5 86
Show 20349+4651 STTA208 AB 241 83.5 91

 
 
WDS 20266+4724 : COMPONENTS
 
 
  A
B pa=200.2°
sep=1.39"
 
 
20266+4724 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202636.92+472414.5 Mag 9.97 Spectral class B8 (blue-white)
PmRA -7.00 PmDE -5.0 HIP 100823 Tycho2 3577-01778-1
BD BD+46 2937
Tycho2
Tycho2 3577-01778-1 Pflag P RAmdeg 306.65381795 DEmdeg 47.40401718
PmRA -6.5 PmDE -4.7 E RAmdeg 18 E DEmdeg 19
E pmRA 2.2 E pmDE 2.0 EpRAm 1990.64 EpDEm 1990.31
Num 5 Q RAmdeg 1.4 Q DEmdeg 0.8 Q pmRA 1.4
Q pmDE 0.8 BTmag 10.168 E BTmag 0.028 VTmag 9.967
E VTmag 0.032 Prox 14 TYC T HIP 100823
CCDM A RAdeg 306.65386722 DEdeg 47.40405778 EpRA 1990 1.71
EpDE 1990 1.67 E RAdeg 17.5 E DEdeg 19.2 Posflg D
Corr 0.1
Hipparcos
Catalog H HIP 100823 Proxy H RAhms 20 26 36.93
DEdms +47 24 14.6 Vmag 9.78 VarFlag R Vmag G
RAdeg 306.654 DEdeg 47.4041 AstroRef A Plx 0.01
CCDM 20266+4724 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 209 Rho 1.485 HD BD BD+46 2937
CD CP Dm number +46 2937 VIred 0.12
SpType B8 R SpType Coord arcsec 2000 202636.93+472414.6
Hipparcos 2
HIP 100823 Sn 15 So 3 Nc 2
RArad 5.3521196543 DErad 0.8273568407 Plx 0.28 PmRA -5.53
PmDE -5.78 E RArad 0.95 E DErad 0.79 E Plx 1.04
E pmRA 1.22 E pmDE 0.95 Hpmag 9.8579 E Hpmag 0.0025
SHp 0.021 VA 0 BV 0.109 E BV 0.139
VI 0.12
CCDM
Ccdm 20266+4724 RComp Comp A Note1
Note2 Discov num DRAs 0.91 DDEs 14.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 10.1 Sp B8 PmNote *
PmRA -5 PmDE -6 Dm number +46 2937 Cat1 BD
Name2 +47 1587 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100823
 
 
20266+4724 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202636.87+472413.2 Mag 11.63 PmRA -7.00
PmDE -5.0 Tycho2 3577-01778-2 Calc delta mag 1.66 Calc coord yes
Tycho2
Tycho2 3577-01778-2 Pflag P RAmdeg 306.65381795 DEmdeg 47.40401718
PmRA -6.5 PmDE -4.7 E RAmdeg 18 E DEmdeg 19
E pmRA 2.2 E pmDE 2.0 EpRAm 1990.64 EpDEm 1990.31
Num 5 Q RAmdeg 1.4 Q DEmdeg 0.8 Q pmRA 1.4
Q pmDE 0.8 BTmag 12.036 E BTmag 0.124 VTmag 11.625
E VTmag 0.129 Prox 14 TYC HIP 100823
CCDM B RAdeg 306.65356361 DEdeg 47.40372361 EpRA 1990 1.72
EpDE 1990 1.66 E RAdeg 68.6 E DEdeg 75.7 Posflg D
Corr 0.1
CCDM
Ccdm 20266+4724 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.85 DDEs 13.3
R dRAs 82 Year 1991 Theta 209 Rho 1.5
Obs 1 Vmag 11.8 Sp PmNote *
PmRA -5 PmDE -6 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100823