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Doubles in session


Current system
20291+2956
AG 406
HD 334456


Nearby doubles
15' : 20284+3007
OL 75

19' : 20280+3008
BU 62AB

30' : 20282+3024
HJ 1517

34' : 20287+2924
MLB 532

35' : 20300+3029
STJ 59

36' : 20317+3005
ARY 46AB

39' : 20306+3029
ES 505

44' : 20316+2929
MLB 571

46' : 20319+3024
BRT 280

50' : 20328+3007
TDT2356

51' : 20325+2934
TDT2347

52' : 20257+3022
COU1324

53' : 20294+3048
HJ 1521

53' : 20328+2936
TDT2357

54' : 20279+3047
RAO 520

56' : 20332+3008
BRT 281

57' : 20320+2915
GRV 349

57' : 20282+2901
ES 504AB

61' : 20261+2910
MLB 479

62' : 20270+2902
TDT2283

64' : 20242+2958
FMR 87AB

65' : 20290+2852
TDT2317

65' : 20250+3034
HDS2921

66' : 20340+2942
TDS1084

67' : 20266+2858
TDT2275

67' : 20248+3033
ES 363



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

20291+2956 AG 406 (HD 334456)

 
 
20h 29m 04.78s +29° 56' 23.5" P.A. 333.00 sep 8.5 mag 9.45,10.30 Sp B9 dist. 396.83 pc (1294.46 l.y.)
 
 
Coord 2000 20291+2956 Discov num AG  406 Comp Coord arcsec 2000 20 29 04.78 +29 56 23.5
Date first 1894 Date last 2018 Obs 17
Pa first 328 Pa last 332.7 P.A. Now (θ) 332.7°
Sep first 7.7 Sep last 8.478 Sep. Now (ρ) 8.478"
Mag pri 9.45 Mag sec 10.30 delta mag (ΔM) 0.85 Spectral class B9 (blue-white)
Pri motion ra +004 Sec motion ra +003
Pri motion dec -006 Sec motion dec -003
Notes
rPM=0.439
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 334456 Constellation Cygnus SAO 88743 HIP 101050
Tycho2 2168-00194-1 Gaia DR2 1860865813035409536 HD 334456 BD BD+29 4053
Distance 396.83 Distance ly 1294.46
 
 
WDS 20291+2956 AG 406 (HD 334456) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 AG Astronomische Gesellschaft (see also ref codes KR and WFD)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20291+2956 AG 406 2000 7 333 8.3 9.45 10.30 B9 D 202904.78+295623.5
20291+2956 AG 406 2011 8 333 8.3 9.45 10.30 B9 D 202904.78+295623.5
20291+2956 AG 406 2015 12 333 8.3 9.45 10.30 B9 202904.78+295623.5
20291+2956 AG 406 2018 17 333 8.5 9.45 10.30 B9 202904.78+295623.5

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

 
 
WDS 20291+2956 AG 406 (HD 334456) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20291+2956 AG 406 (HD 334456) : MEASURES
 
 
No records found.

 
 
WDS 20291+2956 (HD 334456) : VIRTUAL EYEPIECE
 
 

20291+2956 AG 406A mag 9.45 Sp B9 20291+2956 AG 406B sep 8.2 P.A. 335.90 mag 10.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20291+2956 (HD 334456) : ALADIN DSS IMAGE @ 20h 29m 04.78s +29° 56' 23.5"
 
 
 
 
WDS 20291+2956 AG 406 (HD 334456) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20291+2956 AG 406 distance=0' 20284+3007 OL 75 distance=15' 20280+3008 BU 62AB distance=19' 20280+3008 BU 62AC distance=19' 20280+3008 BU 62AD distance=19' 20282+3024 HJ 1517 distance=30' 20287+2924 MLB 532 distance=34' 20300+3029 STJ 59 distance=35' 20317+3005 ARY 46AB distance=36' 20317+3005 ARY 46AC distance=36' 20306+3029 ES 505 distance=39' 20316+2929 MLB 571 distance=44' 20319+3024 BRT 280 distance=46' 20328+3007 TDT2356 distance=50' 20325+2934 TDT2347 distance=51' 20257+3022 COU1324 distance=52' 20294+3048 HJ 1521 distance=53' 20328+2936 TDT2357 distance=53' 20279+3047 RAO 520 distance=54' 20332+3008 BRT 281 distance=56' 20320+2915 GRV 349 distance=57' 20282+2901 TDT2308Aa,Ab distance=57' 20282+2901 ES 504AB distance=57' 20261+2910 MLB 479 distance=61' 20270+2902 TDT2283 distance=62' 20242+2958 HDS2916Aa,Ab distance=64' 20242+2958 FMR 87AB distance=64' 20242+2958 FMR 87AC distance=64' 20290+2852 TDT2317 distance=65' 20250+3034 HDS2921 distance=65' 20340+2942 TDS1084 distance=66' 20266+2858 TDT2275 distance=67' 20248+3033 ES 363 distance=67' 20312+2855 ES 506 distance=68' 20344+3004 TDT2384 distance=70' 20326+3049 TDT2349 distance=70' 20240+2935 TDT2237 distance=70' 20244+2923 HO 457AB distance=71' 20244+2923 HO 457AC distance=71' 20327+2903 ARY 47AB distance=72' 20339+2923 MLB 481 distance=72' 20346+3009 TDT2387 distance=73' 20327+2903 ARY 27BC distance=73' 20327+2903 ARY 27BD distance=73' 20234+3007 J 1772 distance=75' 20332+3052 TDT2366 distance=78' 20329+3056 COU1326 distance=78' 20297+2837 MLB1088 distance=81' 20286+3118 COU1325 distance=83' 20331+2852 ES 507AB distance=83' 20331+2852 ES 507AC distance=83' 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 20291+2956 AG 406 333 8.5 0
Show 20284+3007 OL 75 136 1.8 15
Show 20280+3008 BU 62 AB 133 1.2 19
Show 20280+3008 BU 62 AC 179 38.2 19
Show 20280+3008 BU 62 AD 267 46.1 19
Show 20282+3024 HJ 1517 105 13.1 30
Show 20287+2924 MLB 532 351 8.9 34
Show 20300+3029 STJ 59 219 1.4 35
Show 20317+3005 ARY 46 AB 5 91.1 36
Show 20317+3005 ARY 46 AC 92 146.6 36
Show 20306+3029 ES 505 15 2.1 39
Show 20316+2929 MLB 571 261 3.4 44
Show 20319+3024 BRT 280 48 4.8 46
Show 20328+3007 TDT2356 328 0.4 50
Show 20325+2934 TDT2347 309 0.4 51
Show 20257+3022 COU1324 202 3.0 52
Show 20294+3048 HJ 1521 194 15.4 53
Show 20328+2936 TDT2357 29 0.5 53
Show 20279+3047 RAO 520 -1 0.2 54
Show 20332+3008 BRT 281 154 6.4 56
Show 20320+2915 GRV 349 42 33.2 57
Show 20282+2901 TDT2308 Aa,Ab 343 0.6 57
Show 20282+2901 ES 504 AB 87 5.9 57
Show 20261+2910 MLB 479 141 6.4 61
Show 20270+2902 TDT2283 355 0.4 62
Show 20242+2958 HDS2916 Aa,Ab 223 0.2 64
Show 20242+2958 FMR 87 AB 50 1.4 64
Show 20242+2958 FMR 87 AC 117 7.8 64
Show 20290+2852 TDT2317 323 0.5 65
Show 20250+3034 HDS2921 358 0.8 65
Show 20340+2942 TDS1084 6 1.8 66
Show 20266+2858 TDT2275 87 0.4 67
Show 20248+3033 ES 363 277 3.1 67
Show 20312+2855 ES 506 304 5.9 68
Show 20344+3004 TDT2384 142 0.5 70
Show 20326+3049 TDT2349 60 0.6 70
Show 20240+2935 TDT2237 155 0.8 70
Show 20244+2923 HO 457 AB 61 2.0 71
Show 20244+2923 HO 457 AC 268 28.0 71
Show 20327+2903 ARY 47 AB 108 128.1 72
Show 20339+2923 MLB 481 345 4.0 72
Show 20346+3009 TDT2387 216 0.5 73
Show 20327+2903 ARY 27 BC 50 35.3 73
Show 20327+2903 ARY 27 BD 178 90.0 73
Show 20234+3007 J 1772 98 2.4 75
Show 20332+3052 TDT2366 146 0.7 78
Show 20329+3056 COU1326 263 0.4 78
Show 20297+2837 MLB1088 334 9.5 81
Show 20286+3118 COU1325 222 0.2 83
Show 20331+2852 ES 507 AB 295 7.1 83
Show 20331+2852 ES 507 AC 346 36.4 83

 
 
WDS 20291+2956 : COMPONENTS
 
 
  A
B pa=335.9°
sep=8.25"
 
 
20291+2956 A
 
 
Name HD 334456 Coord arcsec 2000 202904.78+295623.5 Mag 9.45 Spectral class B9 (blue-white)
PmRA 4.00 PmDE -6.0 SAO 88743 HIP 101050
Tycho2 2168-00194-1 HD 334456 BD BD+29 4053
Tycho2
Tycho2 2168-00194-1 Pflag RAmdeg 307.26991341 DEmdeg 29.93986798
PmRA 3.5 PmDE -7.1 E RAmdeg 9 E DEmdeg 8
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.04 EpDEm 1991.19
Num 7 Q RAmdeg 1.8 Q DEmdeg 1.0 Q pmRA 1.9
Q pmDE 1.1 BTmag 9.499 E BTmag 0.017 VTmag 9.446
E VTmag 0.016 Prox 83 TYC T HIP 101050
CCDM A RAdeg 307.26990417 DEdeg 29.93988417 EpRA 1990 1.59
EpDE 1990 1.73 E RAdeg 9.0 E DEdeg 7.6 Posflg
Corr 0.1
SAO
SAO 88743 DelFlag RA1950 PmRA1950 0.0022
DE1950 PmDE1950 -0.003 Vmag 9 SpType B9
Double code Source 34 CatNum 11375 DM BD+29 4053
DMcomp BDsup HD 334456 M HD 1
GC RA1950rad 5.35391752 DE1950rad 0.51962605 PmRA2000 0.0024
PmDE2000 -0.006
Hipparcos
Catalog H HIP 101050 Proxy H RAhms 20 29 04.78
DEdms +29 56 23.6 Vmag 9.05 VarFlag R Vmag H
RAdeg 307.27 DEdeg 29.9399 AstroRef A Plx 1.94
CCDM 20291+2956 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 333 Rho 8.291 HD 334456 BD BD+29 4053
CD CP Dm number +29 4053 VIred 0.04
SpType A0 R SpType Coord arcsec 2000 202904.78+295623.6
Hipparcos 2
HIP 101050 Sn 15 So 3 Nc 2
RArad 5.3628716078 DErad 0.5225495549 Plx 2.52 PmRA 1.42
PmDE -5.47 E RArad 0.71 E DErad 0.9 E Plx 1.45
E pmRA 0.82 E pmDE 0.92 Hpmag 9.0679 E Hpmag 0.0017
SHp 0.022 VA 0 BV 0.034 E BV 0.024
VI 0.05
CCDM
Ccdm 20291+2956 RComp Comp A Note1
Note2 Discov num DRAs -1.28 DDEs 24.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp B9 PmNote *
PmRA -12 PmDE 0 Dm number +29 4053 Cat1 BD
Name2 +29 2342 Cat2 AGK2/3 HD M HD
ADS BDS A13900 M ADS BDS N IDS IDS 20250N2936A
HIC 101050
 
 
20291+2956 B
 
 
Coord arcsec 2000 202904.52+295631.0 Mag 10.3 PmRA 3.00 PmDE -3.0
Tycho2 2168-01461-1 Calc delta mag 0.85 Calc coord yes
Tycho2
Tycho2 2168-01461-1 Pflag RAmdeg 307.26869067 DEmdeg 29.94194720
PmRA -0.9 PmDE 4.2 E RAmdeg 18 E DEmdeg 18
E pmRA 2.1 E pmDE 2.1 EpRAm 1990.87 EpDEm 1990.88
Num 3 Q RAmdeg 2.4 Q DEmdeg 1.1 Q pmRA 2.4
Q pmDE 1.0 BTmag 10.374 E BTmag 0.028 VTmag 10.302
E VTmag 0.034 Prox 83 TYC T HIP 101050
CCDM B RAdeg 307.26869278 DEdeg 29.94193750 EpRA 1990 1.66
EpDE 1990 1.70 E RAdeg 18.0 E DEdeg 17.8 Posflg
Corr -0.1
CCDM
Ccdm 20291+2956 RComp Comp B Note1
Note2 Discov num AG DRAs DDEs
R dRAs Year 1897 Theta 332 Rho 7.7
Obs 2 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13900 M ADS BDS N IDS IDS 20250N2936B
HIC 101050