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Doubles in session


Current system
20434+4131
HJ 1571


Nearby doubles
7' : 20428+4132
ES 1571

12' : 20428+4123
RAO 619

14' : 20447+4131
MLB 25

18' : 20421+4125
COU2420

31' : 20444+4103
COU2423AB

35' : 20442+4206
ES 1572

37' : 20417+4202
ES 1570

47' : 20413+4051
COU2419

51' : 20480+4126
ES 1681

53' : 20446+4041
HJ 1574

53' : 20396+4202
A 399

53' : 20422+4041
MLB 23

54' : 20446+4040
HJ 1573

55' : 20429+4036
MLB 24

56' : 20390+4109
TDT2451

58' : 20477+4204
BU 268

59' : 20479+4204
ES 1573

62' : 20396+4215
GNS 11

62' : 20440+4030
SLN 85

64' : 20399+4221
FMR 159

65' : 20425+4235
GRV 369

66' : 20444+4027
TDT2510

66' : 20432+4026
COU2421

67' : 20408+4231
CBL 84

68' : 20472+4225
STT 414AB

69' : 20436+4024
DAM1256



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.

20434+4131 HJ 1571

 
 
20h 43m 27.86s +41° 31' 44.6" P.A. 59.00 sep 7.3 mag 9.60,9.90
 
 
Coord 2000 20434+4131 Discov num HJ 1571 Comp Coord arcsec 2000 20 43 27.86 +41 31 44.6
Date first 1828 Date last 2020 Obs 14
Pa first 58 Pa last 59.2 P.A. Now (θ) 59.2°
Sep first 2.5 Sep last 7.274 Sep. Now (ρ) 7.274"
Mag pri 9.60 Mag sec 9.90 delta mag (ΔM) 0.3 Spectral class
Pri motion ra -001 Sec motion ra +001
Pri motion dec -001 Sec motion dec +002
Notes
rPM=1.612
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2066160473773870336
 
 
WDS 20434+4131 HJ 1571 : 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
20434+4131 HJ 1571 1998 5 59 7.1 9.60 9.90 D 204327.86+413144.6
20434+4131 HJ 1571 2011 7 59 7.2 9.60 9.90 D 204327.86+413144.6
20434+4131 HJ 1571 2015 9 59 7.1 9.60 9.90 204327.86+413144.6
20434+4131 HJ 1571 2018 10 60 7.2 9.60 9.90 204327.86+413144.6
20434+4131 HJ 1571 2020 14 59 7.3 9.60 9.90 204327.86+413144.6

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

 
 
WDS 20434+4131 HJ 1571 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20434+4131 HJ 1571 : MEASURES
 
 
No records found.

 
 
WDS 20434+4131 : VIRTUAL EYEPIECE
 
 

20434+4131 HJ 1571A mag 9.6 20434+4131 HJ 1571B sep 6.0 P.A. 51.50 mag 9.9 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 20434+4131 : ALADIN DSS IMAGE @ 20h 43m 27.86s +41° 31' 44.6"
 
 
 
 
WDS 20434+4131 HJ 1571 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20434+4131 HJ 1571 distance=1' 20428+4132 ES 1571 distance=7' 20428+4123 RAO 619 distance=12' 20447+4131 MLB 25 distance=14' 20421+4125 COU2420 distance=18' 20444+4103 COU2423AB distance=31' 20444+4103 GRV 375AC distance=31' 20442+4206 ES 1572 distance=35' 20417+4202 ES 1570 distance=37' 20413+4051 COU2419 distance=47' 20480+4126 ES 1681 distance=51' 20446+4041 HJ 1574 distance=53' 20396+4202 A 399 distance=53' 20422+4041 MLB 23 distance=53' 20446+4040 HJ 1573 distance=54' 20429+4036 MLB 24 distance=55' 20390+4109 TDT2451 distance=56' 20477+4204 BU 268 distance=58' 20479+4204 ES 1573 distance=59' 20396+4215 GNS 11 distance=62' 20440+4030 SLN 85 distance=62' 20399+4221 FMR 159 distance=64' 20425+4235 GRV 369 distance=65' 20444+4027 TDT2510 distance=66' 20432+4026 COU2421 distance=66' 20408+4231 CBL 84 distance=67' 20472+4225 STT 414AB distance=68' 20472+4225 BOT 4AC distance=68' 20436+4024 DAM1256 distance=69' 20476+4038 CNT 9 distance=72' 20454+4023 OSO 133AB distance=72' 20454+4023 OSO 133AC distance=72' 20454+4023 OSO 133AD distance=72' 20454+4023 OSO 133AE distance=72' 20396+4035 STT 410AB distance=73' 20396+4035 STT 410AB,C distance=73' 20396+4035 STT 410AB,D distance=73' 20485+4041 ES 1682 distance=76' 20366+4139 TDT2416 distance=77' 20420+4015 A 1433 distance=79' 20426+4013 TDT2488 distance=80' 20466+4020 ES 1982 distance=80' 20456+4014 TDT2519 distance=81' 20508+4120 TDT2575 distance=83' 20454+4011 TDT2518 distance=84' 20509+4123 LDS2458 distance=85' 20453+4010 COU2293 distance=85' 20510+4125 COU2427 distance=86' 20358+4123 NML 1 distance=87' 20387+4024 ES 1979 distance=88' 20405+4010 TOB 196BC distance=88' 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 20434+4131 HJ 1571 59 7.3 1
Show 20428+4132 ES 1571 39 7.4 7
Show 20428+4123 RAO 619 141 0.6 12
Show 20447+4131 MLB 25 207 5.7 14
Show 20421+4125 COU2420 90 0.5 18
Show 20444+4103 COU2423 AB 180 0.3 31
Show 20444+4103 GRV 375 AC 197 31.4 31
Show 20442+4206 ES 1572 141 5.8 35
Show 20417+4202 ES 1570 118 4.7 37
Show 20413+4051 COU2419 69 0.8 47
Show 20480+4126 ES 1681 146 2.1 51
Show 20446+4041 HJ 1574 278 7.4 53
Show 20396+4202 A 399 82 0.9 53
Show 20422+4041 MLB 23 41 7.6 53
Show 20446+4040 HJ 1573 274 9.8 54
Show 20429+4036 MLB 24 175 5.9 55
Show 20390+4109 TDT2451 105 0.7 56
Show 20477+4204 BU 268 201 0.4 58
Show 20479+4204 ES 1573 39 5.0 59
Show 20396+4215 GNS 11 182 3.7 62
Show 20440+4030 SLN 85 203 9.1 62
Show 20399+4221 FMR 159 76 135.7 64
Show 20425+4235 GRV 369 26 24.8 65
Show 20444+4027 TDT2510 157 0.9 66
Show 20432+4026 COU2421 110 0.3 66
Show 20408+4231 CBL 84 160 16.0 67
Show 20472+4225 STT 414 AB 95 9.9 68
Show 20472+4225 BOT 4 AC 16 104.9 68
Show 20436+4024 DAM1256 106 9.6 69
Show 20476+4038 CNT 9 292 9.0 72
Show 20454+4023 OSO 133 AB 114 12.0 72
Show 20454+4023 OSO 133 AC 236 11.7 72
Show 20454+4023 OSO 133 AD 67 21.8 72
Show 20454+4023 OSO 133 AE 8 22.4 72
Show 20396+4035 STT 410 AB 3 0.9 73
Show 20396+4035 STT 410 AB,C 70 68.6 73
Show 20396+4035 STT 410 AB,D 327 106.6 73
Show 20485+4041 ES 1682 152 3.1 76
Show 20366+4139 TDT2416 352 0.7 77
Show 20420+4015 A 1433 24 0.8 79
Show 20426+4013 TDT2488 138 0.5 80
Show 20466+4020 ES 1982 301 3.9 80
Show 20456+4014 TDT2519 347 1.3 81
Show 20508+4120 TDT2575 4 2.6 83
Show 20454+4011 TDT2518 203 0.7 84
Show 20509+4123 LDS2458 123 14.1 85
Show 20453+4010 COU2293 201 1.1 85
Show 20510+4125 COU2427 312 0.5 86
Show 20358+4123 NML 1 16 0.1 87
Show 20387+4024 ES 1979 303 7.6 88
Show 20405+4010 TOB 196 BC 32 23.4 88

 
 
WDS 20434+4131 : COMPONENTS
 
 
  A
B pa=51.5°
sep=5.98"
 
 
20434+4131 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204327.86+413144.6 Mag 9.6 PmRA -1.00
PmDE -1.0
 
 
20434+4131 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204328.28+413148.3 Mag 9.9 PmRA 1.00
PmDE 2.0 Calc delta mag 0.3 Calc coord yes