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Doubles in session


Current system
20437+4733
A 749


Nearby doubles
18' : 20443+4716
TDT2509

20' : 20450+4718
BRT2274

21' : 20434+4712
TDT2496

36' : 20414+4758
ES 809AB

41' : 20397+4734
A 747AB

42' : 20437+4651
TDS1096

43' : 20397+4721
A 748AB

45' : 20478+4754
ES 2253

45' : 20481+4738
TDT2547

45' : 20478+4750
ES 810

47' : 20454+4816
UC 254

50' : 20389+4741
A 746

56' : 20431+4637
BRT2273

58' : 20389+4803
CNT 7

59' : 20397+4806
ES 806AB

61' : 20482+4653
ES 669

63' : 20409+4828
ES 808

64' : 20379+4710
TDT2436

64' : 20383+4804
ES 89AB

65' : 20379+4757
STF2707AB

66' : 20396+4823
RAO 616

66' : 20502+4732
ES 672

67' : 20427+4627
TDS1092

68' : 20496+4805
HJ 1584

68' : 20466+4632
KUI 101

74' : 20437+4619
HO 140



Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20437+4733 A 749

 
 
20h 43m 44.59s +47° 32' 38.5" P.A. 306.00 sep 0.5 mag 9.58,9.81 Sp F8
 
 
Coord 2000 20437+4733 Discov num A   749 Comp Coord arcsec 2000 20 43 44.59 +47 32 38.5
Date first 1904 Date last 2016 Obs 15
Pa first 323 Pa last 305.8 P.A. Now (θ) 305.8°
Sep first 0.4 Sep last 0.49 Sep. Now (ρ) 0.49"
Mag pri 9.58 Mag sec 9.81 delta mag (ΔM) 0.23 Spectral class F8 (yellow-white)
Pri motion ra +002 Sec motion ra +002
Pri motion dec -005 Sec motion dec -005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 50002 Tycho2 3578-01418-1 Gaia DR2 2167502975908814464
 
 
WDS 20437+4733 A 749 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20437+4733 A 749 2003 12 311 0.5 9.58 9.81 F8 +47 3177 204344.59+473238.5
20437+4733 A 749 2016 13 306 0.5 9.58 9.81 F8 +47 3177 204344.59+473238.5

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

 
 
WDS 20437+4733 A 749 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20437+4733 A 749 : MEASURES
 
 
No records found.

 
 
WDS 20437+4733 : VIRTUAL EYEPIECE
 
 

20437+4733 A 749A mag 9.58 Sp F8 20437+4733 A 749B sep 0.5 P.A. 305.80 mag 9.81 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 20437+4733 : ALADIN DSS IMAGE @ 20h 43m 44.59s +47° 32' 38.5"
 
 
 
 
WDS 20437+4733 A 749 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20437+4733 A 749 distance=0' 20443+4716 TDT2509 distance=18' 20450+4718 BRT2274 distance=20' 20434+4712 TDT2496 distance=21' 20414+4758 ES 809AB distance=36' 20414+4758 SKF2394AC distance=36' 20397+4734 A 747AB distance=41' 20397+4734 ES 90AB,C distance=41' 20437+4651 TDS1096 distance=42' 20397+4721 A 748AB distance=43' 20397+4721 A 748Aa,Ab distance=43' 20478+4754 ES 2253 distance=45' 20481+4738 TDT2547 distance=45' 20478+4750 ES 810 distance=45' 20454+4816 UC 254 distance=47' 20389+4741 A 746 distance=50' 20431+4637 BRT2273 distance=56' 20389+4803 CNT 7 distance=58' 20397+4806 ES 806AB distance=59' 20397+4806 ES 806AC distance=59' 20482+4653 ES 669 distance=61' 20409+4828 ES 808 distance=63' 20379+4710 TDT2436 distance=64' 20383+4804 ES 89AB distance=64' 20379+4757 HDS2944Ca,Cb distance=65' 20379+4757 GUI 33BC distance=65' 20379+4757 STF2707AB distance=65' 20379+4757 STF2707AC distance=65' 20379+4757 ES 2697AD distance=65' 20396+4823 RAO 616 distance=66' 20502+4732 ES 672 distance=66' 20427+4627 TDS1092 distance=67' 20496+4805 HJ 1584 distance=68' 20466+4632 KUI 101 distance=68' 20437+4619 HO 140 distance=74' 20456+4621 HDS2955 distance=75' 20387+4830 HJ 1558 distance=76' 20361+4745 HJ 1549 distance=79' 20388+4629 BRT2268 distance=81' 20517+4721 TDT2584 distance=82' 20499+4640 BU 250 distance=83' 20438+4610 TDT2503 distance=83' 20441+4856 HEI 912 distance=85' 20501+4635 ES 671 distance=88' 20405+4855 ES 807 distance=89' 20406+4900 ES 509 distance=93' 20470+4901 HDS2962 distance=95' 20522+4653 BRT2278 distance=95' 20353+4650 MZA 37AB distance=96' 20353+4650 MZA 37AC distance=96' 20508+4628 BRT2276AB distance=96' 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 20437+4733 A 749 306 0.5 0
Show 20443+4716 TDT2509 180 1.4 18
Show 20450+4718 BRT2274 41 4.9 20
Show 20434+4712 TDT2496 49 1.7 21
Show 20414+4758 ES 809 AB 285 1.6 36
Show 20414+4758 SKF2394 AC 68 3.0 36
Show 20397+4734 A 747 AB 103 0.3 41
Show 20397+4734 ES 90 AB,C 141 7.1 41
Show 20437+4651 TDS1096 147 0.9 42
Show 20397+4721 A 748 AB 28 1.4 43
Show 20397+4721 A 748 Aa,Ab 43 0.2 43
Show 20478+4754 ES 2253 335 3.4 45
Show 20481+4738 TDT2547 73 2.5 45
Show 20478+4750 ES 810 40 20.7 45
Show 20454+4816 UC 254 181 17.9 47
Show 20389+4741 A 746 150 2.0 50
Show 20431+4637 BRT2273 308 4.7 56
Show 20389+4803 CNT 7 82 3.5 58
Show 20397+4806 ES 806 AB 267 7.0 59
Show 20397+4806 ES 806 AC 24 11.9 59
Show 20482+4653 ES 669 28 6.8 61
Show 20409+4828 ES 808 157 3.3 63
Show 20379+4710 TDT2436 82 0.6 64
Show 20383+4804 ES 89 AB 209 21.5 64
Show 20379+4757 HDS2944 Ca,Cb 29 0.4 65
Show 20379+4757 GUI 33 BC 199 76.6 65
Show 20379+4757 STF2707 AB 29 21.8 65
Show 20379+4757 STF2707 AC 195 55.3 65
Show 20379+4757 ES 2697 AD 192 17.5 65
Show 20396+4823 RAO 616 122 1.8 66
Show 20502+4732 ES 672 166 4.6 66
Show 20427+4627 TDS1092 315 0.9 67
Show 20496+4805 HJ 1584 223 4.3 68
Show 20466+4632 KUI 101 113 0.2 68
Show 20437+4619 HO 140 313 8.0 74
Show 20456+4621 HDS2955 289 0.4 75
Show 20387+4830 HJ 1558 205 4.4 76
Show 20361+4745 HJ 1549 55 5.5 79
Show 20388+4629 BRT2268 320 3.4 81
Show 20517+4721 TDT2584 177 2.4 82
Show 20499+4640 BU 250 7 18.3 83
Show 20438+4610 TDT2503 68 0.5 83
Show 20441+4856 HEI 912 201 1.7 85
Show 20501+4635 ES 671 91 1.6 88
Show 20405+4855 ES 807 154 3.9 89
Show 20406+4900 ES 509 285 8.6 93
Show 20470+4901 HDS2962 222 0.1 95
Show 20522+4653 BRT2278 196 3.2 95
Show 20353+4650 MZA 37 AB 319 6.1 96
Show 20353+4650 MZA 37 AC 319 11.1 96
Show 20508+4628 BRT2276 AB 254 3.7 96

 
 
WDS 20437+4733 : COMPONENTS
 
 
  A
B pa=305.8°
sep=0.49"
 
 
20437+4733 A
 
 
Coord arcsec 2000 204344.59+473238.5 Mag 9.58 Spectral class F8 (yellow-white) PmRA 2.00
PmDE -5.0 SAO 50002 DM BD+47 3177
SAO
SAO 50002 DelFlag RA1950 PmRA1950 0.002
DE1950 PmDE1950 0 Vmag 8.8 SpType
Double code Source 3 CatNum 1634 DM BD+47 3177
DMcomp BDsup HD M HD
GC RA1950rad 5.41968308 DE1950rad 0.82663253 PmRA2000 0.0024
PmDE2000 -0.003
CCDM
Ccdm 20437+4733 RComp Comp A Note1
Note2 Discov num DRAs 2.51 DDEs -20.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.2 Sp PmNote *
PmRA 0 PmDE 5 Dm number +47 3177 Cat1 BD
Name2 +47 1634 Cat2 AGK2/3 HD M HD
ADS BDS A14222 M ADS BDS N IDS IDS 20405N4711A
HIC
 
 
20437+4733 B
 
 
Coord arcsec 2000 204344.55+473238.8 Mag 9.81 PmRA 2.00 PmDE -5.0
Delta magnitude 0.23 Coordinate calculated yes
CCDM
Ccdm 20437+4733 RComp Comp B Note1
Note2 Discov num A 749 DRAs DDEs
R dRAs Year 1904 Theta 318 Rho 0.4
Obs 6 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14222 M ADS BDS N IDS IDS 20405N4711B
HIC