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Doubles in session


Current system
20365+5557
VBS 30 AB


Nearby doubles
27' : 20352+5622
HJ 1552

29' : 20337+5616
HJ 1545

30' : 20351+5624
HJ 1551

32' : 20342+5622
HJ 1546

33' : 20351+5524
STI2542

37' : 20383+5629
FOX 38

38' : 20380+5522
STI2547

38' : 20404+5615
OSW 73

43' : 20381+5637
A 745

44' : 20315+5611
HJ 1540AB

50' : 20422+5606
OSW 74

52' : 20400+5515
HJ 1562AB

52' : 20424+5611
VKI 47

54' : 20419+5529
TDT2477

56' : 20315+5520
TDS1079

59' : 20312+5519
A 1678

59' : 20400+5647
OSW 78

59' : 20300+5621
STI2537

60' : 20295+5604
KUI 97

66' : 20385+5453
STI2548

67' : 20411+5504
TDS1089

67' : 20443+5610
A 1684

69' : 20433+5521
LLO 1

72' : 20312+5653
RAO 22

72' : 20388+5447
STI2550

73' : 20343+5707
STI2541



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.

20365+5557 VBS 30 AB

 
 
20h 36m 26.51s +55° 56' 41.3" P.A. 141.00 sep 4.6 mag 11.21,12.20
 
 
Coord 2000 20365+5557 Discov num VBS  30 Comp AB Coord arcsec 2000 20 36 26.51 +55 56 41.3
Date first 1903 Date last 2018 Obs 9
Pa first 162 Pa last 140.9 P.A. Now (θ) 140.9°
Sep first 5.0 Sep last 4.628 Sep. Now (ρ) 4.628"
Mag pri 11.21 Mag sec 12.20 delta mag (ΔM) 0.99 Spectral class
Pri motion ra -008 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20365+5557 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 36 27 +55 56 41 VBS 30 AB 2018 9 141 4.6 11.21 12.20 0.99 <===
Show 20 36 27 +55 56 41 HJ 1556 AC 2018 10 222 6.6 11.21 12.80 1.59
Show 20 36 27 +55 56 41 VBS 30 AD 2018 10 97 29.6 11.21 11.88 0.67
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3954-00542-1 Gaia DR2 2187061054378531968
 
 
WDS 20365+5557 VBS 30 AB : 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.
VBs1904 Ma j Van Biesbroeck, G. 1904AnOB....9....1V
VBs1904 +orb Ann. R. Obs. Belgium 9, 1904
VBs1905 Ma - Van Biesbroeck, G. 1905RGOO...........
VBs1905 Greenwich Observations, 1905
VBs1906 Ma j Van Biesbroeck, G. 1906AN....172...33V
VBs1906 AN 172, 33, 1906
VBs1906B Ma - Van Biesbroeck, G. 1906MmRAS..56....1L
VBs1906B cited by Lewis (MemRAS 56, 1, 1906)
VBs1914 Ma j Van Biesbroeck, G. 1914AnOB...13....1V
VBs1914 Ann. R. Obs. Belgium 13, 1914
VBs1916 orb - Van Biesbroeck, G. 1916AJ.....29..163V
VBs1916 AJ 29, 163, 1916
VBs1918 Ma - Van Biesbroeck, G. 1918MNRAS..78..475L
VBs1918 MNRAS 78, 475, 1918
VBs1920 Ma j Van Biesbroeck, G. 1920AnOB...14....1V
VBs1920 Ann. R. Obs. Belgium 14, 1920
VBs1921 - Van Biesbroeck, G. 1921PA.....29..278V
VBs1921 Pop. Astr. 29, 278, 1921 (no data)
VBs1925 orb - Van Biesbroeck, G. 1925MNRAS..85..478V
VBs1925 MNRAS 85, 478, 1925
VBs1927a Ma j Van Biesbroeck, G. 1927PYerO...5....1V
VBs1927a +Pa Pub. Yerkes Obs. 5, pt. 1, 1927
VBs1927a +orb
VBs1927b orb - Van Biesbroeck, G. 1927BAN.....3..259V
VBs1927b BAN 3, 259, 1927
VBs1932A - Van Biesbroeck, G. 1932QB821.A43......
VBs1932A cited in ADS (Aitken Double Star Cat., 1932)
VBs1936 Ma - Van Biesbroeck, G. 1936PYerO...8...47V
VBs1936 +orb Pub. Yerkes Obs. 8, 47, 1936
VBs1940 orb - Van Biesbroeck, G. 1940AJ.....48..169V
VBs1940 AJ 48, 169, 1940
VBs1944a Mb - Van Biesbroeck, G. 1944PASP...56..123V
VBs1944a PASP 56, 123, 1944
VBs1944b Po - Van Biesbroeck, G. 1944AJ.....51...61V
VBs1944b AJ 51, 61, 1944
VBs1954 Ma - Van Biesbroeck, G. 1954PYerO...8....6V
VBs1954 +Mb Pub. Yerkes Obs. 8, pt. 6, 1954
VBs1954 +orb
VBs1960 Mb - Van Biesbroeck, G. 1960PYerO...9....2V
VBs1960 +orb Pub. Yerkes Obs. 9, pt. 2, 1960
VBs1961 P - Van Biesbroeck, G. 1961AJ.....66..528V
VBs1961 AJ 66, 528, 1961
VBs1965 Ma j Van Biesbroeck, G. .
VBs1965 +Mb Comm. Lunar Plan. Lab 3, #51, 1965
VBs1972 Mb j Lippincott, S.L. & Hershey, J.L. (measure by Van Biesbroeck) 1972AJ.....77..679V
VBs1972 AJ 77, 679, 1972
VBs1974 Ma j Van Biesbroeck, G. 1974ApJS...28..413V
VBs1974 +Mb ApJS 28, 413, 1974
VBs9999 Mb - Van Biesbroeck, G. ...................
VBs9999 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
20365+5557 VBS 30 AB 2003 6 144 4.5 11.21 12.20 D 203626.51+555641.3
20365+5557 VBS 30 AB 2015 7 142 4.6 11.21 12.20 203626.51+555641.3
20365+5557 VBS 30 AB 2018 8 142 4.6 11.21 12.20 203626.51+555641.3

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

 
 
WDS 20365+5557 VBS 30 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20365+5557 VBS 30 AB : MEASURES
 
 
No records found.

 
 
WDS 20365+5557 : VIRTUAL EYEPIECE
 
 

20365+5557 VBS 30A mag 11.21 20365+5557 VBS 30B sep 4.0 P.A. 155.50 mag 12.2 20365+5557 HJ 1556C sep 5.5 P.A. 206.50 mag 12.8 20365+5557 VBS 30D sep 16.8 P.A. 102.00 mag 11.88 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 20365+5557 : ALADIN DSS IMAGE @ 20h 36m 26.51s +55° 56' 41.3"
 
 
 
 
WDS 20365+5557 VBS 30 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20365+5557 VBS 30AB distance=0' 20352+5622 HJ 1552 distance=27' 20337+5616 HJ 1545 distance=29' 20351+5624 HJ 1551 distance=30' 20342+5622 HJ 1546 distance=32' 20351+5524 STI2542 distance=33' 20383+5629 FOX 38 distance=37' 20380+5522 STI2547 distance=38' 20404+5615 OSW 73 distance=38' 20381+5637 A 745 distance=43' 20315+5611 HJ 1540AB distance=44' 20315+5611 HJ 1540AC distance=44' 20422+5606 OSW 74 distance=50' 20400+5515 HJ 1562AB distance=52' 20400+5515 VBS 31AC distance=52' 20424+5611 VKI 47 distance=52' 20419+5529 TDT2477 distance=54' 20315+5520 TDS1079 distance=56' 20312+5519 A 1678 distance=59' 20400+5647 OSW 78 distance=59' 20300+5621 STI2537 distance=59' 20295+5604 KUI 97 distance=60' 20385+5453 STI2548 distance=66' 20411+5504 TDS1089 distance=67' 20443+5610 A 1684 distance=67' 20433+5521 LLO 1 distance=69' 20312+5653 RAO 22 distance=72' 20388+5447 STI2550 distance=72' 20343+5707 STI2541 distance=73' 20396+5450 ES 993 distance=73' 20305+5651 TDT2330 distance=73' 20412+5659 HJ 1570AB distance=75' 20412+5659 VBS 32AC distance=75' 20414+5454 TDS1090 distance=76' 20354+5712 TDT2399 distance=76' 20298+5654 TDT2322 distance=80' 20375+5437 STI2546 distance=81' 20330+5712 A 739 distance=81' 20358+5435 ES 991AB distance=82' 20358+5435 ES 991AC distance=82' 20358+5435 ES 991CD distance=82' 20354+5435 STI2543 distance=83' 20281+5513 STI2533 distance=84' 20265+5619 BU 433AB distance=86' 20265+5619 BU 433AC distance=86' 20368+5431 TDT2419 distance=86' 20289+5655 STI2535AB distance=86' 20289+5655 TOB 187AC distance=86' 20289+5655 TOB 187AD distance=86' 20376+5429 KPP2376 distance=89' 20312+5714 A 872 distance=89' 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 20365+5557 VBS 30 AB 141 4.6
Show 20365+5557 HJ 1556 AC 222 6.6
Show 20365+5557 VBS 30 AD 97 29.6
Show 20352+5622 HJ 1552 234 21.3 27
Show 20337+5616 HJ 1545 180 15.5 29
Show 20351+5624 HJ 1551 225 42.2 30
Show 20342+5622 HJ 1546 246 17.4 32
Show 20351+5524 STI2542 337 5.5 33
Show 20383+5629 FOX 38 301 5.4 37
Show 20380+5522 STI2547 86 2.5 38
Show 20404+5615 OSW 73 250 188.6 38
Show 20381+5637 A 745 313 2.4 43
Show 20315+5611 HJ 1540 AB 346 22.7 44
Show 20315+5611 HJ 1540 AC 130 40.7 44
Show 20422+5606 OSW 74 88 127.2 50
Show 20400+5515 HJ 1562 AB 167 21.7 52
Show 20400+5515 VBS 31 AC 13 45.6 52
Show 20424+5611 VKI 47 340 2.3 52
Show 20419+5529 TDT2477 266 1.2 54
Show 20315+5520 TDS1079 126 0.9 56
Show 20312+5519 A 1678 351 2.4 59
Show 20400+5647 OSW 78 233 186.1 59
Show 20300+5621 STI2537 343 12.7 59
Show 20295+5604 KUI 97 129 0.8 60
Show 20385+5453 STI2548 168 13.8 66
Show 20411+5504 TDS1089 252 1.4 67
Show 20443+5610 A 1684 141 2.1 67
Show 20433+5521 LLO 1 20 0.1 69
Show 20312+5653 RAO 22 152 0.2 72
Show 20388+5447 STI2550 183 12.4 72
Show 20343+5707 STI2541 205 10.6 73
Show 20396+5450 ES 993 194 2.0 73
Show 20305+5651 TDT2330 63 0.6 73
Show 20412+5659 HJ 1570 AB 79 14.0 75
Show 20412+5659 VBS 32 AC 345 15.4 75
Show 20414+5454 TDS1090 226 1.0 76
Show 20354+5712 TDT2399 4 0.5 76
Show 20298+5654 TDT2322 20 1.7 80
Show 20375+5437 STI2546 38 8.9 81
Show 20330+5712 A 739 195 4.6 81
Show 20358+5435 ES 991 AB 297 15.9 82
Show 20358+5435 ES 991 AC 106 61.7 82
Show 20358+5435 ES 991 CD 120 2.6 82
Show 20354+5435 STI2543 208 3.2 83
Show 20281+5513 STI2533 198 10.0 84
Show 20265+5619 BU 433 AB 207 7.6 86
Show 20265+5619 BU 433 AC 241 29.3 86
Show 20368+5431 TDT2419 80 0.8 86
Show 20289+5655 STI2535 AB 227 13.6 86
Show 20289+5655 TOB 187 AC 132 26.9 86
Show 20289+5655 TOB 187 AD 189 31.2 86

 
 
WDS 20365+5557 : COMPONENTS
 
 
  A B C
B pa=155.5°
sep=3.95"
 
C pa=206.5°
sep=5.53"
pa=251.7°
sep=4.32"
 
D pa=102.0°
sep=16.81"
pa=89.6°
sep=14.80"
pa=85.6°
sep=18.96"
 
 
20365+5557 A
 
 
Coord arcsec 2000 203626.51+555641.3 Mag 11.21 PmRA -8.00 PmDE -6.0
Tycho2 3954-00542-1
Tycho2
Tycho2 3954-00542-1 Pflag RAmdeg 309.11047146 DEmdeg 55.94479593
PmRA -7.6 PmDE -5.5 E RAmdeg 48 E DEmdeg 55
E pmRA 3.5 E pmDE 3.5 EpRAm 1989.40 EpDEm 1988.75
Num 3 Q RAmdeg 0.4 Q DEmdeg 0.5 Q pmRA 0.4
Q pmDE 0.5 BTmag 11.922 E BTmag 0.092 VTmag 11.206
E VTmag 0.080 Prox 291 TYC T HIP
CCDM RAdeg 309.11050278 DEdeg 55.94480861 EpRA 1990 1.70
EpDE 1990 1.69 E RAdeg 48.6 E DEdeg 56.1 Posflg
Corr 0.0
 
 
20365+5557 B
 
 
Coord arcsec 2000 203626.70+555637.7 Mag 12.2 Calc delta mag 0.99 Calc coord yes
 
 
20365+5557 C
 
 
Coord arcsec 2000 203626.22+555636.4 Mag 12.8 PmRA 9.00 PmDE 4.0
Calc delta mag 1.59 Calc coord yes
 
 
20365+5557 D
 
 
Coord arcsec 2000 203628.47+555637.8 Mag 11.88 PmRA 17.00 PmDE 17.0
Tycho2 3954-00706-1 Calc delta mag 0.67 Calc coord yes
Tycho2
Tycho2 3954-00706-1 Pflag RAmdeg 309.12481571 DEmdeg 55.94368211
PmRA 15.1 PmDE 15.6 E RAmdeg 61 E DEmdeg 78
E pmRA 3.5 E pmDE 3.6 EpRAm 1987.63 EpDEm 1985.77
Num 4 Q RAmdeg 0.6 Q DEmdeg 1.1 Q pmRA 0.6
Q pmDE 1.1 BTmag 12.519 E BTmag 0.187 VTmag 11.884
E VTmag 0.157 Prox 291 TYC T HIP
CCDM RAdeg 309.12478944 DEdeg 55.94369444 EpRA 1990 1.69
EpDE 1990 1.70 E RAdeg 129.4 E DEdeg 146.9 Posflg
Corr 0.1