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Doubles in session


Current system
19425+5655
HJ 2896
HD 239184


Nearby doubles
13' : 19431+5706
STI2451

18' : 19426+5713
UC 4011

23' : 19398+5654
STI2447

24' : 19413+5634
UC 4008

29' : 19393+5706
TDT1605

35' : 19385+5708
STI2444

36' : 19449+5625
TDT1703

39' : 19416+5618
KPP2062

39' : 19393+5628
STI2445

40' : 19465+5634
STI2455

44' : 19415+5613
STI2449

44' : 19477+5707
TDT1757

47' : 19436+5610
STI2452

47' : 19475+5718
STI2458

48' : 19371+5711
LDS2773

55' : 19359+5659
RAO 87AB

56' : 19379+5614
HJ 1429

57' : 19464+5742
TDT1725

59' : 19395+5748
TDT1608

61' : 19392+5602
UC 3996

68' : 19450+5551
HJ 1439

70' : 19449+5802
STI2453

70' : 19455+5550
UC 4019

71' : 19433+5805
TDT1673

71' : 19443+5547
HJ 1438

72' : 19508+5633
MLR 606



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.

19425+5655 HJ 2896 (HD 239184)

 
 
19h 42m 31.87s +56° 55' 21.2" P.A. 22.00 sep 17.1 mag 9.94,11.32 Sp A3
 
 
Coord 2000 19425+5655 Discov num HJ 2896 Comp Coord arcsec 2000 19 42 31.87 +56 55 21.2
Date first 1831 Date last 2015 Obs 16
Pa first 20 Pa last 22.1 P.A. Now (θ) 22.1°
Sep first 18.0 Sep last 17.054 Sep. Now (ρ) 17.054"
Mag pri 9.94 Mag sec 11.32 delta mag (ΔM) 1.38 Spectral class A3 (white)
Pri motion ra +000 Sec motion ra +000
Pri motion dec -010 Sec motion dec -012
Notes
rPM=0.167 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 239184 Constellation Cygnus SAO 31914 Tycho2 3942-01548-1
Gaia DR2 2235211245537225472 HD 239184
 
 
WDS 19425+5655 HJ 2896 (HD 239184) : 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
19425+5655 HJ 2896 2006 9 21 17.6 9.94 11.32 A3 D 194231.87+565521.2
19425+5655 HJ 2896 2010 11 22 17.0 9.94 11.32 A3 194231.87+565521.2
19425+5655 HJ 2896 2015 12 22 17.1 9.94 11.32 A3 194231.87+565521.2

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

 
 
WDS 19425+5655 HJ 2896 (HD 239184) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19425+5655 HJ 2896 (HD 239184) : MEASURES
 
 
No records found.

 
 
WDS 19425+5655 (HD 239184) : VIRTUAL EYEPIECE
 
 

19425+5655 HJ 2896A mag 9.94 Sp A3 19425+5655 HJ 2896B sep 16.2 P.A. 12.50 mag 11.32 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 19425+5655 (HD 239184) : ALADIN DSS IMAGE @ 19h 42m 31.87s +56° 55' 21.2"
 
 
 
 
WDS 19425+5655 HJ 2896 (HD 239184) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19425+5655 HJ 2896 distance=0' 19431+5706 STI2451 distance=13' 19426+5713 UC 4011 distance=18' 19398+5654 STI2447 distance=23' 19413+5634 UC 4008 distance=24' 19393+5706 TDT1605 distance=29' 19385+5708 STI2444 distance=35' 19449+5625 TDT1703 distance=36' 19416+5618 KPP2062 distance=39' 19393+5628 STI2445 distance=39' 19465+5634 STI2455 distance=40' 19415+5613 STI2449 distance=44' 19477+5707 TDT1757 distance=44' 19436+5610 STI2452 distance=47' 19475+5718 STI2458 distance=47' 19371+5711 LDS2773 distance=48' 19359+5659 RAO 87AB distance=55' 19379+5614 HJ 1429 distance=56' 19464+5742 TDT1725 distance=57' 19395+5748 TDT1608 distance=59' 19392+5602 UC 3996 distance=61' 19450+5551 HJ 1439 distance=68' 19449+5802 STI2453 distance=70' 19455+5550 UC 4019 distance=70' 19433+5805 TDT1673 distance=71' 19443+5547 HJ 1438 distance=71' 19508+5633 MLR 606 distance=72' 19338+5659 STI2440 distance=72' 19393+5802 MLR 540 distance=72' 19400+5545 A 1403 distance=74' 19470+5800 STI2457 distance=74' 19484+5600 ES 2682 distance=74' 19507+5730 STI2465 distance=76' 19411+5811 A 716 distance=76' 19330+5700 MLB 80 distance=78' 19520+5633 STI2469 distance=82' 19324+5702 STI2437 distance=83' 19325+5637 HJ 1420 distance=86' 19501+5554 STI2463 distance=88' 19383+5535 TDT1597 distance=88' 19510+5603 TDS1020 distance=88' 19512+5758 TDT1802 distance=94' 19533+5731 YSC 137 distance=95' 19530+5606 ARG 105 distance=100' 19398+5517 STI2446 distance=102' 19545+5727 MLR 587 distance=103' 19502+5818 TDS1019 distance=103' 19302+5639 A 712 distance=103' 19299+5710 A 711 distance=104' 19301+5715 TDT1502 distance=104' 19300+5709 LDS2769 distance=104' 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 19425+5655 HJ 2896 22 17.1
Show 19431+5706 STI2451 211 7.0 13
Show 19426+5713 UC 4011 156 7.1 18
Show 19398+5654 STI2447 299 6.4 23
Show 19413+5634 UC 4008 156 21.6 24
Show 19393+5706 TDT1605 71 0.4 29
Show 19385+5708 STI2444 32 9.9 35
Show 19449+5625 TDT1703 259 2.3 36
Show 19416+5618 KPP2062 337 16.5 39
Show 19393+5628 STI2445 82 11.6 39
Show 19465+5634 STI2455 169 8.8 40
Show 19415+5613 STI2449 187 9.7 44
Show 19477+5707 TDT1757 252 0.7 44
Show 19436+5610 STI2452 342 12.1 47
Show 19475+5718 STI2458 36 15.1 47
Show 19371+5711 LDS2773 229 13.7 48
Show 19359+5659 RAO 87 AB 252 10.0 55
Show 19379+5614 HJ 1429 239 7.8 56
Show 19464+5742 TDT1725 172 0.8 57
Show 19395+5748 TDT1608 121 1.1 59
Show 19392+5602 UC 3996 193 24.2 61
Show 19450+5551 HJ 1439 205 33.2 68
Show 19449+5802 STI2453 13 6.8 70
Show 19455+5550 UC 4019 137 65.9 70
Show 19433+5805 TDT1673 126 0.6 71
Show 19443+5547 HJ 1438 65 14.5 71
Show 19508+5633 MLR 606 205 0.6 72
Show 19338+5659 STI2440 279 9.0 72
Show 19393+5802 MLR 540 118 0.7 72
Show 19400+5545 A 1403 166 0.2 74
Show 19470+5800 STI2457 351 9.4 74
Show 19484+5600 ES 2682 255 9.0 74
Show 19507+5730 STI2465 313 10.2 76
Show 19411+5811 A 716 285 0.5 76
Show 19330+5700 MLB 80 183 7.0 78
Show 19520+5633 STI2469 287 11.1 82
Show 19324+5702 STI2437 210 12.1 83
Show 19325+5637 HJ 1420 334 14.6 86
Show 19501+5554 STI2463 285 12.1 88
Show 19383+5535 TDT1597 125 0.7 88
Show 19510+5603 TDS1020 262 1.1 88
Show 19512+5758 TDT1802 37 0.4 94
Show 19533+5731 YSC 137 329 0.0 95
Show 19530+5606 ARG 105 305 55.8 100
Show 19398+5517 STI2446 279 10.9 102
Show 19545+5727 MLR 587 348 1.0 103
Show 19502+5818 TDS1019 245 2.2 103
Show 19302+5639 A 712 72 0.1 103
Show 19299+5710 A 711 29 2.5 104
Show 19301+5715 TDT1502 308 0.5 104
Show 19300+5709 LDS2769 130 6.0 104

 
 
WDS 19425+5655 : COMPONENTS
 
 
  A
B pa=12.5°
sep=16.18"
 
 
19425+5655 A
 
 
Componente originario normalizzato AB Name HD 239184 Coord arcsec 2000 194231.87+565521.2 Mag 9.94
Spectral class A3 (white) PmRA 0.00 PmDE -10.0 SAO 31914
Tycho2 3942-01548-1 HD 239184 DM BD+56 2288
Tycho2
Tycho2 3942-01548-1 Pflag RAmdeg 295.63278774 DEmdeg 56.92254816
PmRA 2.8 PmDE -10.6 E RAmdeg 16 E DEmdeg 15
E pmRA 1.6 E pmDE 1.7 EpRAm 1989.54 EpDEm 1989.85
Num 8 Q RAmdeg 0.7 Q DEmdeg 0.9 Q pmRA 0.7
Q pmDE 0.9 BTmag 10.293 E BTmag 0.028 VTmag 9.939
E VTmag 0.027 Prox 172 TYC T HIP
CCDM RAdeg 295.63277556 DEdeg 56.92257417 EpRA 1990 1.63
EpDE 1990 1.70 E RAdeg 17.3 E DEdeg 15.5 Posflg
Corr 0.1
SAO
SAO 31914 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.006 Vmag 9.3 SpType A3
Double code Source 38 CatNum 10729 DM BD+56 2288
DMcomp BDsup HD 239184 M HD 0
GC RA1950rad 5.15529802 DE1950rad 0.99139602 PmRA2000 0.0009
PmDE2000 -0.007
CCDM
Ccdm 19425+5655 RComp Comp A Note1
Note2 Discov num DRAs 1.75 DDEs 20.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.9 Sp A3 PmNote *
PmRA -7 PmDE -14 Dm number +56 2288 Cat1 BD
Name2 +56 1284 Cat2 AGK2/3 HD 239184 M HD
ADS BDS B 9589 M ADS BDS N IDS IDS 19405N5642A
HIC
 
 
19425+5655 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194232.30+565537.0 Mag 11.32 PmRA 0.00
PmDE -12.0 Tycho2 3942-01524-1 Calc delta mag 1.38 Calc coord yes
Tycho2
Tycho2 3942-01524-1 Pflag RAmdeg 295.63605917 DEmdeg 56.92698475
PmRA 0.0 PmDE -4.6 E RAmdeg 49 E DEmdeg 44
E pmRA 3.2 E pmDE 3.1 EpRAm 1988.46 EpDEm 1989.03
Num 4 Q RAmdeg 0.4 Q DEmdeg 1.2 Q pmRA 0.4
Q pmDE 1.3 BTmag 11.691 E BTmag 0.074 VTmag 11.318
E VTmag 0.083 Prox 172 TYC T HIP
CCDM RAdeg 295.63605917 DEdeg 56.92699528 EpRA 1990 1.67
EpDE 1990 1.69 E RAdeg 50.3 E DEdeg 44.9 Posflg
Corr 0.1
CCDM
Ccdm 19425+5655 RComp Comp B Note1
Note2 Discov num HJ 2896 DRAs DDEs
R dRAs Year 1908 Theta 022 Rho 17.4
Obs 1 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 9589 M ADS BDS N IDS IDS 19405N5642B
HIC