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Doubles in session


Current system
20237+4632
HJ 1513
HD 194423


Nearby doubles
12' : 20244+4641
TDT2242

16' : 20231+4618
TDT2226

23' : 20225+4613
A 726

24' : 20239+4655
PLT 9

34' : 20269+4636
KPP4199

35' : 20225+4704
HEI 878

38' : 20202+4620
TDT2181

40' : 20269+4611
BRT2263

47' : 20239+4718
TDT2236

48' : 20223+4546
POP 144

59' : 20261+4725
TDT2268

61' : 20266+4724
HDS2924

61' : 20246+4732
STJ 107

63' : 20258+4533
TDT2263

64' : 20270+4539
HJ 1518

65' : 20246+4529
HJ 1514

67' : 20238+4525
ES 801

68' : 20274+4727
A 732

69' : 20179+4705
TDT2148

69' : 20304+4634
ES 663

73' : 20217+4522
BRT2261

75' : 20291+4544
BU 1135

76' : 20300+4556
LSC 91

77' : 20227+4748
OPI9005

78' : 20223+4748
HJ 1510AB

78' : 20264+4520
KPP 472



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.

20237+4632 HJ 1513 (HD 194423)

 
 
20h 23m 39.36s +46° 31' 40.5" P.A. 325.00 sep 13.8 mag 8.45,11.50 Sp B8 dist. 495.05 pc (1614.85 l.y.)
 
 
Coord 2000 20237+4632 Discov num HJ 1513 Comp Coord arcsec 2000 20 23 39.36 +46 31 40.5
Date first 1828 Date last 2015 Obs 16
Pa first 322 Pa last 325.3 P.A. Now (θ) 325.3°
Sep first 8.0 Sep last 13.79 Sep. Now (ρ) 13.79"
Mag pri 8.45 Mag sec 11.50 delta mag (ΔM) 3.05 Spectral class B8 (blue-white)
Pri motion ra -003 Sec motion ra -005
Pri motion dec -007 Sec motion dec -007
Notes
rPM=0.232 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194423 Constellation Cygnus SAO 49573 HIP 100571
Tycho2 3572-01899-1 Gaia DR2 2083145420165958528 HD 194423 BD BD+46 2927
Distance 495.05 Distance ly 1614.85
 
 
WDS 20237+4632 HJ 1513 (HD 194423) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20237+4632 HJ 1513 2003 10 326 13.9 8.45 11.50 B8 D 202339.36+463140.5
20237+4632 HJ 1513 2010 13 324 13.1 8.45 11.50 B8 202339.36+463140.5
20237+4632 HJ 1513 2015 16 325 13.8 8.45 11.50 B8 202339.36+463140.5

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

 
 
WDS 20237+4632 HJ 1513 (HD 194423) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20237+4632 HJ 1513 (HD 194423) : MEASURES
 
 
No records found.

 
 
WDS 20237+4632 (HD 194423) : VIRTUAL EYEPIECE
 
 

20237+4632 HJ 1513A mag 8.45 Sp B8 20237+4632 HJ 1513B sep 12.6 P.A. 334.50 mag 11.5 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 20237+4632 (HD 194423) : ALADIN DSS IMAGE @ 20h 23m 39.36s +46° 31' 40.5"
 
 
 
 
WDS 20237+4632 HJ 1513 (HD 194423) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20237+4632 HJ 1513 distance=0' 20244+4641 TDT2242 distance=12' 20231+4618 TDT2226 distance=16' 20225+4613 A 726 distance=23' 20239+4655 PLT 9 distance=24' 20269+4636 KPP4199 distance=34' 20225+4704 HEI 878 distance=35' 20202+4620 TDT2181 distance=38' 20269+4611 BRT2263 distance=40' 20239+4718 TDT2236 distance=47' 20223+4546 POP 144 distance=48' 20261+4725 TDT2268 distance=59' 20266+4724 HDS2924 distance=61' 20246+4732 STJ 107 distance=61' 20258+4533 TDT2263 distance=63' 20270+4539 HJ 1518 distance=64' 20246+4529 HJ 1514 distance=65' 20238+4525 ES 801 distance=67' 20274+4727 A 732 distance=68' 20179+4705 TDT2148 distance=69' 20304+4634 ES 663 distance=69' 20217+4522 BRT2261 distance=73' 20291+4544 BU 1135 distance=75' 20300+4556 LSC 91 distance=76' 20227+4748 OPI9005 distance=77' 20223+4748 HJ 1511EF distance=77' 20223+4748 HJ 1510AB distance=78' 20223+4748 ES 29AC distance=78' 20223+4748 ES 29AD distance=78' 20223+4748 ES 29AE distance=78' 20264+4520 KPP 472 distance=78' 20198+4522 STT 406 distance=81' 20161+4605 STJ 104 distance=84' 20287+4737 GRF 17 distance=84' 20175+4538 STF2667 distance=84' 20189+4522 ARG 37 distance=87' 20243+4800 TDT2240 distance=89' 20322+4648 A 736AB distance=90' 20322+4648 DAM 636AC distance=90' 20196+4754 BLL 49 distance=92' 20325+4644 GII 101 distance=93' 20326+4635 ES 664 distance=93' 20147+4625 TDT2116 distance=93' 20277+4507 BKO 154EK distance=95' 20277+4507 BKO 154CJ distance=95' 20281+4509 TDS1075 distance=95' 20277+4507 ROE 43AB distance=95' 20277+4507 ROE 43AC distance=95' 20277+4507 ROE 43AD distance=95' 20277+4507 ROE 43AE distance=95' 20277+4507 ROE 43AF distance=95' 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 20237+4632 HJ 1513 325 13.8
Show 20244+4641 TDT2242 343 0.7 12
Show 20231+4618 TDT2226 183 1.2 16
Show 20225+4613 A 726 276 0.5 23
Show 20239+4655 PLT 9 27 4.4 24
Show 20269+4636 KPP4199 284 1.5 34
Show 20225+4704 HEI 878 10 2.3 35
Show 20202+4620 TDT2181 132 0.6 38
Show 20269+4611 BRT2263 34 4.1 40
Show 20239+4718 TDT2236 279 0.9 47
Show 20223+4546 POP 144 121 6.0 48
Show 20261+4725 TDT2268 50 0.7 59
Show 20266+4724 HDS2924 209 1.5 61
Show 20246+4732 STJ 107 67 1.1 61
Show 20258+4533 TDT2263 330 1.4 63
Show 20270+4539 HJ 1518 86 15.3 64
Show 20246+4529 HJ 1514 215 11.3 65
Show 20238+4525 ES 801 170 9.6 67
Show 20274+4727 A 732 78 0.7 68
Show 20179+4705 TDT2148 51 1.1 69
Show 20304+4634 ES 663 110 5.0 69
Show 20217+4522 BRT2261 272 4.5 73
Show 20291+4544 BU 1135 335 1.5 75
Show 20300+4556 LSC 91 19 0.3 76
Show 20227+4748 OPI9005 231 29.4 77
Show 20223+4748 HJ 1511 EF 237 11.6 77
Show 20223+4748 HJ 1510 AB 148 4.6 78
Show 20223+4748 ES 29 AC 326 6.7 78
Show 20223+4748 ES 29 AD 318 31.3 78
Show 20223+4748 ES 29 AE 121 55.9 78
Show 20264+4520 KPP 472 88 4.6 78
Show 20198+4522 STT 406 100 0.3 81
Show 20161+4605 STJ 104 316 1.4 84
Show 20287+4737 GRF 17 102 160.1 84
Show 20175+4538 STF2667 224 8.0 84
Show 20189+4522 ARG 37 194 14.1 87
Show 20243+4800 TDT2240 175 0.6 89
Show 20322+4648 A 736 AB 349 0.6 90
Show 20322+4648 DAM 636 AC 106 17.0 90
Show 20196+4754 BLL 49 231 65.4 92
Show 20325+4644 GII 101 289 0.4 93
Show 20326+4635 ES 664 55 9.0 93
Show 20147+4625 TDT2116 74 1.0 93
Show 20277+4507 BKO 154 EK 109 4.7 95
Show 20277+4507 BKO 154 CJ 331 17.9 95
Show 20281+4509 TDS1075 358 1.4 95
Show 20277+4507 ROE 43 AB 317 17.4 95
Show 20277+4507 ROE 43 AC 312 52.6 95
Show 20277+4507 ROE 43 AD 271 42.4 95
Show 20277+4507 ROE 43 AE 282 82.9 95
Show 20277+4507 ROE 43 AF 336 87.1 95

 
 
WDS 20237+4632 : COMPONENTS
 
 
  A
B pa=334.5°
sep=12.56"
 
 
20237+4632 A
 
 
Componente originario normalizzato AB Name HD 194423 Coord arcsec 2000 202339.36+463140.5 Mag 8.45
Spectral class B8 (blue-white) PmRA -3.00 PmDE -7.0 SAO 49573
HIP 100571 Tycho2 3572-01899-1 HD 194423 BD BD+46 2927
Tycho2
Tycho2 3572-01899-1 Pflag RAmdeg 305.91400628 DEmdeg 46.52792094
PmRA -2.7 PmDE -7.1 E RAmdeg 5 E DEmdeg 5
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.18 EpDEm 1991.27
Num 15 Q RAmdeg 1.2 Q DEmdeg 1.4 Q pmRA 1.2
Q pmDE 1.4 BTmag 8.381 E BTmag 0.016 VTmag 8.448
E VTmag 0.012 Prox 138 TYC T HIP 100571
CCDM A RAdeg 305.91401500 DEdeg 46.52793694 EpRA 1990 1.76
EpDE 1990 1.76 E RAdeg 5.0 E DEdeg 5.4 Posflg
Corr 0.0
SAO
SAO 49573 DelFlag RA1950 PmRA1950 -0.0033
DE1950 PmDE1950 -0.018 Vmag 8.8 SpType B8
Double code Source 3 CatNum 1626 DM BD+46 2927
DMcomp BDsup HD 194423 M HD 0
GC RA1950rad 5.33216821 DE1950rad 0.80923079 PmRA2000 -0.0029
PmDE2000 -0.021
Hipparcos
Catalog H HIP 100571 Proxy RAhms 20 23 39.36
DEdms +46 31 40.6 Vmag 8.43 VarFlag R Vmag G
RAdeg 305.914 DEdeg 46.5279 AstroRef A Plx 1.41
CCDM 20237+4632 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 325 Rho 13.82 HD 194423 BD BD+46 2927
CD CP Dm number +46 2927 VIred -0.02
SpType B8 R SpType Coord arcsec 2000 202339.36+463140.6
Hipparcos 2
HIP 100571 Sn 15 So 3 Nc 2
RArad 5.3392067461 DErad 0.8120656783 Plx 2.02 PmRA -0.64
PmDE -7.62 E RArad 0.77 E DErad 0.61 E Plx 0.84
E pmRA 0.98 E pmDE 0.68 Hpmag 8.4597 E Hpmag 0.0054
SHp 0.018 VA 0 BV -0.04 E BV 0.015
VI -0.02
CCDM
Ccdm 20237+4632 RComp Comp A Note1
Note2 Discov num DRAs -2.67 DDEs -19.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp B8 PmNote *
PmRA -10 PmDE -2 Dm number +46 2927 Cat1 BD
Name2 +46 1626 Cat2 AGK2/3 HD 194423 M HD
ADS BDS A13801 M ADS BDS N IDS IDS 20204N4612A
HIC 100571
 
 
20237+4632 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202338.84+463151.8 Mag 11.5 PmRA -5.00
PmDE -7.0 Calc delta mag 3.05 Calc coord yes
CCDM
Ccdm 20237+4632 RComp Comp B Note1
Note2 Discov num HJ 1513 DRAs DDEs
R dRAs Year 1910 Theta 327 Rho 13.8
Obs 4 Vmag 11.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13801 M ADS BDS N IDS IDS 20204N4612B
HIC