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Doubles in session


Current system
20260+3549
HDS 2922
HD 194738


Nearby doubles
3' : 20262+3547
SEI1125AB

9' : 20255+3553
A 47

12' : 20252+3554
SEI1119

15' : 20248+3545
BU 432

21' : 20257+3609
TDT2260

26' : 20277+3605
ES 2193AB

28' : 20237+3553
SEI1113

29' : 20252+3522
SEI1120

30' : 20251+3522
SEI1118

30' : 20247+3523
SEI1117

32' : 20235+3540
SEI1109AB

33' : 20238+3531
SEI1114

34' : 20236+3605
SEI1110

36' : 20232+3542
HJ 1506AB

36' : 20288+3541
SEI1130

37' : 20260+3512
COU2129

38' : 20291+3550
HO 594AB

39' : 20290+3535
COU1959

39' : 20242+3516
ES 2303AB

43' : 20235+3618
ES 2191

45' : 20258+3504
TDT2264

46' : 20243+3507
POP 80

52' : 20288+3628
COU1958

56' : 20305+3540
SEI1142

57' : 20242+3456
POP 94

57' : 20247+3454
GRV 338



Selections
Full WDS
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.

20260+3549 HDS 2922 (HD 194738)

 
 
20h 26m 00.95s +35° 48' 40.5" P.A. 143.00 sep 0.6 mag 7.75,11.16 Sp F5 dist. 101.01 pc (329.49 l.y.)
 
 
Coord 2000 20260+3549 Discov num HDS2922 Comp Coord arcsec 2000 20 26 00.95 +35 48 40.5
Date first 1991 Date last 2012 Obs 10
Pa first 137 Pa last 142.6 P.A. Now (θ) 142.6°
Sep first 0.6 Sep last 0.621 Sep. Now (ρ) 0.621"
Mag pri 7.75 Mag sec 11.16 delta mag (ΔM) 3.41 Spectral class F5 (yellow-white)
Pri motion ra -009 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194738 Constellation Cygnus SAO 70011 HIP 100777
Tycho2 2697-01326-1 Gaia DR2 2057586615242752256 HD 194738 BD BD+35 4113
Distance 101.01 Distance ly 329.49
 
 
WDS 20260+3549 HDS 2922 (HD 194738) : 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
20260+3549 HDS2922 2006 7 140 0.6 7.75 11.16 F5 D 202600.95+354840.5
20260+3549 HDS2922 2007 8 141 0.7 7.75 11.16 F5 D 202600.95+354840.5
20260+3549 HDS2922 2008 9 140 0.7 7.75 11.16 F5 D 202600.95+354840.5
20260+3549 HDS2922 2012 10 143 0.6 7.75 11.16 F5 202600.95+354840.5

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

 
 
WDS 20260+3549 HDS 2922 (HD 194738) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20260+3549 HDS 2922 (HD 194738) : MEASURES
 
 
No records found.

 
 
WDS 20260+3549 (HD 194738) : VIRTUAL EYEPIECE
 
 

20260+3549 HDS2922A mag 7.75 Sp F5 20260+3549 HDS2922B sep 0.6 P.A. 148.20 mag 11.16 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 20260+3549 (HD 194738) : ALADIN DSS IMAGE @ 20h 26m 00.95s +35° 48' 40.5"
 
 
 
 
WDS 20260+3549 HDS 2922 (HD 194738) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20260+3549 HDS2922 distance=0' 20262+3547 COU2130Aa,Ab distance=3' 20262+3547 SEI1125AB distance=3' 20255+3553 A 47 distance=9' 20252+3554 SEI1119 distance=12' 20248+3545 BU 432 distance=15' 20257+3609 TDT2260 distance=21' 20277+3605 ES 2193AB distance=26' 20277+3605 ES 2193AC distance=26' 20277+3605 ES 2193AD distance=26' 20237+3553 SEI1113 distance=28' 20252+3522 SEI1120 distance=29' 20251+3522 SEI1118 distance=30' 20247+3523 SEI1117 distance=30' 20235+3540 FYM 176BC distance=32' 20235+3540 SEI1109AB distance=32' 20238+3531 SEI1114 distance=33' 20236+3605 SEI1110 distance=34' 20232+3542 HJ 1506AB distance=36' 20232+3542 HJ 1506AC distance=36' 20232+3542 FYM 177AD distance=36' 20232+3542 FYM 177EF distance=36' 20288+3541 SEI1130 distance=36' 20260+3512 COU2129 distance=37' 20291+3550 HO 594AB distance=38' 20291+3550 GRF 16AC distance=38' 20290+3535 COU1959 distance=39' 20242+3516 ES 2303AB distance=39' 20242+3516 POP1230AC distance=39' 20235+3618 ES 2191 distance=43' 20258+3504 TDT2264 distance=45' 20243+3507 POP 80 distance=46' 20288+3628 COU1958 distance=52' 20305+3540 SEI1142 distance=56' 20242+3456 POP 94 distance=57' 20247+3454 GRV 338 distance=57' 20218+3525 TDT2205 distance=57' 20289+3634 SEI1132 distance=58' 20212+3537 ES 28 distance=60' 20306+3525 COU1961 distance=60' 20307+3521 HJ 1526A,BC distance=64' 20307+3521 HU 760BC distance=64' 20308+3619 TDS1078 distance=65' 20278+3447 COU2131AB distance=66' 20278+3447 GII 86Aa,Ab distance=66' 20210+3525 POP 129AB distance=66' 20210+3525 POP 129AD distance=66' 20210+3525 POP 129BC distance=67' 20210+3525 POP 129DE distance=67' 20301+3636 SKF2852BC distance=69' 20301+3636 KPP4204AB distance=69' 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 20260+3549 HDS2922 143 0.6
Show 20262+3547 COU2130 Aa,Ab 61 0.5 3
Show 20262+3547 SEI1125 AB 250 19.2 3
Show 20255+3553 A 47 176 1.6 9
Show 20252+3554 SEI1119 212 7.0 12
Show 20248+3545 BU 432 196 1.5 15
Show 20257+3609 TDT2260 3 2.7 21
Show 20277+3605 ES 2193 AB 334 4.9 26
Show 20277+3605 ES 2193 AC 231 7.4 26
Show 20277+3605 ES 2193 AD 33 12.7 26
Show 20237+3553 SEI1113 341 13.9 28
Show 20252+3522 SEI1120 217 27.3 29
Show 20251+3522 SEI1118 150 9.4 30
Show 20247+3523 SEI1117 127 13.1 30
Show 20235+3540 FYM 176 BC 34 8.4 32
Show 20235+3540 SEI1109 AB 111 27.6 32
Show 20238+3531 SEI1114 55 18.1 33
Show 20236+3605 SEI1110 156 11.8 34
Show 20232+3542 HJ 1506 AB 204 9.2 36
Show 20232+3542 HJ 1506 AC 194 35.5 36
Show 20232+3542 FYM 177 AD 125 28.9 36
Show 20232+3542 FYM 177 EF 123 9.0 36
Show 20288+3541 SEI1130 26 11.3 36
Show 20260+3512 COU2129 163 0.1 37
Show 20291+3550 HO 594 AB 212 15.9 38
Show 20291+3550 GRF 16 AC 163 104.0 38
Show 20290+3535 COU1959 323 0.4 39
Show 20242+3516 ES 2303 AB 23 5.3 39
Show 20242+3516 POP1230 AC 147 45.9 39
Show 20235+3618 ES 2191 181 1.9 43
Show 20258+3504 TDT2264 59 1.2 45
Show 20243+3507 POP 80 328 2.9 46
Show 20288+3628 COU1958 105 0.5 52
Show 20305+3540 SEI1142 78 21.7 56
Show 20242+3456 POP 94 150 2.8 57
Show 20247+3454 GRV 338 20 54.6 57
Show 20218+3525 TDT2205 351 0.5 57
Show 20289+3634 SEI1132 226 15.1 58
Show 20212+3537 ES 28 251 21.6 60
Show 20306+3525 COU1961 205 0.4 60
Show 20307+3521 HJ 1526 A,BC 148 8.8 64
Show 20307+3521 HU 760 BC 67 0.3 64
Show 20308+3619 TDS1078 294 1.2 65
Show 20278+3447 COU2131 AB 281 1.1 66
Show 20278+3447 GII 86 Aa,Ab 113 0.4 66
Show 20210+3525 POP 129 AB 289 55.6 66
Show 20210+3525 POP 129 AD 215 82.5 66
Show 20210+3525 POP 129 BC 33 6.1 67
Show 20210+3525 POP 129 DE 258 13.5 67
Show 20301+3636 SKF2852 BC 83 1.0 69
Show 20301+3636 KPP4204 AB 213 7.1 69

 
 
WDS 20260+3549 : COMPONENTS
 
 
  A
B pa=148.2°
sep=0.58"
 
 
20260+3549 A
 
 
Componente originario normalizzato AB Name HD 194738 Coord arcsec 2000 202600.95+354840.5 Mag 7.75
Spectral class F5 (yellow-white) PmRA -9.00 PmDE -13.0 SAO 70011
HIP 100777 Tycho2 2697-01326-1 HD 194738 BD BD+35 4113
Tycho2
Tycho2 2697-01326-1 Pflag RAmdeg 306.50394592 DEmdeg 35.81122179
PmRA -6.9 PmDE -12.7 E RAmdeg 5 E DEmdeg 4
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.26 EpDEm 1991.50
Num 10 Q RAmdeg 1.2 Q DEmdeg 0.5 Q pmRA 1.2
Q pmDE 0.6 BTmag 8.117 E BTmag 0.015 VTmag 7.658
E VTmag 0.010 Prox 999 TYC T HIP 100777
CCDM AB RAdeg 306.50396611 DEdeg 35.81125111 EpRA 1990 1.58
EpDE 1990 1.70 E RAdeg 4.5 E DEdeg 4.3 Posflg P
Corr 0.0
SAO
SAO 70011 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 -0.012 Vmag 8 SpType F5
Double code Source 5 CatNum 2022 DM BD+35 4113
DMcomp BDsup HD 194738 M HD 0
GC RA1950rad 5.34113987 DE1950rad 0.62215336 PmRA2000 -0.0008
PmDE2000 -0.014
Hipparcos
Catalog H HIP 100777 Proxy H RAhms 20 26 00.95
DEdms +35 48 40.5 Vmag 7.61 VarFlag R Vmag H
RAdeg 306.504 DEdeg 35.8113 AstroRef A Plx 10.23
CCDM 20260+3549 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 137 Rho 0.606 HD 194738 BD BD+35 4113
CD CP Dm number +35 4113 VIred 0.48
SpType F5 R SpType Coord arcsec 2000 202600.95+354840.5
Hipparcos 2
HIP 100777 Sn 15 So 3 Nc 2
RArad 5.34950332 DErad 0.6250242963 Plx 9.9 PmRA -8.74
PmDE -13.59 E RArad 0.42 E DErad 0.5 E Plx 0.64
E pmRA 0.49 E pmDE 0.6 Hpmag 7.703 E Hpmag 0.0009
SHp 0.012 VA 0 BV 0.415 E BV 0.01
VI 0.48
CCDM
Ccdm 20260+3549 RComp Comp A Note1
Note2 Discov num DRAs 0.95 DDEs -19.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.7 Sp F5 PmNote *
PmRA -9 PmDE -13 Dm number +35 4113 Cat1 BD
Name2 +35 2022 Cat2 AGK2/3 HD 194738 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100777
 
 
20260+3549 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202600.98+354840.0 Mag 11.16 Calc delta mag 3.41
Calc coord yes
CCDM
Ccdm 20260+3549 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.98 DDEs -20.0
R dRAs 82 Year 1991 Theta 137 Rho 0.6
Obs 1 Vmag 11.2 Sp PmNote *
PmRA -9 PmDE -13 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 100777