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Doubles in session


Current system
21588+5227
HU 773
HD 235681


Nearby doubles
9' : 21596+5223
HU 775AB

11' : 21578+5234
ARN 98

13' : 21583+5215
AMS 8

17' : 22005+5223
TDT3287

19' : 21584+5245
ES 1015AB

23' : 22001+5208
COU2657

24' : 21561+5224
ES 1107

29' : 21559+5212
ES 1106AB

30' : 21564+5207
AMS 9

30' : 21555+5232
STT 456AB

43' : 21542+5220
SKF2554

49' : 21578+5314
KPP2191

54' : 22045+5239
HU 776

57' : 21568+5132
TDT3253

58' : 21543+5145
KPP4256AB

59' : 22044+5254
TDT3323

65' : 22037+5313
HDS3131

68' : 22030+5131
ES 1109

71' : 21536+5132
ES 828

71' : 21599+5116
TDT3281

73' : 22006+5337
RAO 469

74' : 22051+5142
HDS3134AB

76' : 22015+5114
HJ 1716AB

77' : 21590+5111
ES 1108

83' : 22043+5122
TOB 223

84' : 22048+5125
HJ 1724



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.

21588+5227 HU 773 (HD 235681)

 
 
21h 58m 44.63s +52° 26' 18.2" P.A. 322.00 sep 4.6 mag 9.40,11.20 Sp A0
 
 
Coord 2000 21588+5227 Discov num HU  773 Comp Coord arcsec 2000 21 58 44.63 +52 26 18.2
Date first 1904 Date last 2015 Obs 6
Pa first 323 Pa last 322.4 P.A. Now (θ) 322.4°
Sep first 4.7 Sep last 4.614 Sep. Now (ρ) 4.614"
Mag pri 9.40 Mag sec 11.20 delta mag (ΔM) 1.8 Spectral class A0 (white)
Pri motion ra +016 Sec motion ra +000
Pri motion dec -003 Sec motion dec +020
Notes
rPM=1.401
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 235681 Constellation Cygnus SAO 33930 Tycho2 3617-00037-1
Gaia DR2 1981232065355922688 HD 235681
 
 
WDS 21588+5227 HU 773 (HD 235681) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 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
21588+5227 HU 773 2003 4 323 4.6 9.40 11.20 A0 D 215844.63+522618.2
21588+5227 HU 773 2015 6 322 4.6 9.40 11.20 A0 215844.63+522618.2

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

 
 
WDS 21588+5227 HU 773 (HD 235681) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21588+5227 HU 773 (HD 235681) : MEASURES
 
 
No records found.

 
 
WDS 21588+5227 (HD 235681) : VIRTUAL EYEPIECE
 
 

21588+5227 HU 773A mag 9.4 Sp A0 21588+5227 HU 773B sep 4.0 P.A. 334.90 mag 11.2 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 21588+5227 (HD 235681) : ALADIN DSS IMAGE @ 21h 58m 44.63s +52° 26' 18.2"
 
 
 
 
WDS 21588+5227 HU 773 (HD 235681) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21588+5227 HU 773 distance=0' 21596+5223 HU 775AB distance=9' 21596+5223 HU 775AC distance=9' 21578+5234 ARN 98 distance=11' 21583+5215 AMS 8 distance=13' 22005+5223 TDT3287 distance=17' 21584+5245 ES 1015AB distance=19' 21584+5245 ES 1015AC distance=19' 22001+5208 COU2657 distance=23' 21561+5224 ES 1107 distance=24' 21559+5212 ES 1106AB distance=29' 21559+5212 ES 1106AC distance=29' 21564+5207 AMS 9 distance=30' 21555+5232 STT 456AB distance=30' 21555+5232 STT 456AC distance=30' 21555+5232 STT 456AD distance=30' 21555+5232 ABH 154AB,E distance=30' 21555+5232 ABH 154AB,F distance=30' 21555+5232 ABH 154AB,G distance=30' 21555+5232 ABH 154AB,H distance=30' 21555+5232 ABH 154AB,I distance=30' 21555+5232 ABH 154AB,J distance=30' 21555+5232 ABH 154AB,K distance=30' 21555+5232 ABH 154AB,L distance=30' 21555+5232 STT 456CD distance=31' 21542+5220 SKF2554 distance=43' 21578+5314 KPP2191 distance=49' 22045+5239 HU 776 distance=54' 21568+5132 TDT3253 distance=57' 21543+5145 KPP4256AB distance=58' 22044+5254 TDT3323 distance=59' 22037+5313 HDS3131 distance=65' 22030+5131 ES 1109 distance=68' 21536+5132 ES 828 distance=71' 21599+5116 TDT3281 distance=71' 22006+5337 RAO 469 distance=73' 22051+5142 HDS3134AB distance=74' 22051+5142 GII 296Aa,Ab distance=74' 22015+5114 HJ 1716AB distance=76' 22015+5114 HJ 1716AC distance=76' 22015+5114 HJ 1716BD distance=76' 21590+5111 ES 1108 distance=77' 22043+5122 TOB 223 distance=83' 22048+5125 HJ 1724 distance=84' 22086+5225 ES 1111 distance=90' 22078+5143 TDT3359 distance=94' 22030+5353 TDT3310 distance=95' 21550+5356 SKF2398 distance=96' 22088+5258 ES 1016 distance=97' 21502+5131 COU2655 distance=97' 21558+5052 COU2656 distance=98' 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 21588+5227 HU 773 322 4.6
Show 21596+5223 HU 775 AB 218 2.2 9
Show 21596+5223 HU 775 AC 176 16.3 9
Show 21578+5234 ARN 98 265 35.8 11
Show 21583+5215 AMS 8 257 14.3 13
Show 22005+5223 TDT3287 30 1.7 17
Show 21584+5245 ES 1015 AB 239 8.2 19
Show 21584+5245 ES 1015 AC 345 10.1 19
Show 22001+5208 COU2657 314 0.2 23
Show 21561+5224 ES 1107 352 6.5 24
Show 21559+5212 ES 1106 AB 11 4.8 29
Show 21559+5212 ES 1106 AC 164 10.4 29
Show 21564+5207 AMS 9 58 9.5 30
Show 21555+5232 STT 456 AB 38 1.6 30
Show 21555+5232 STT 456 AC 291 26.1 30
Show 21555+5232 STT 456 AD 185 25.2 30
Show 21555+5232 ABH 154 AB,E 18 54.6 30
Show 21555+5232 ABH 154 AB,F 104 57.5 30
Show 21555+5232 ABH 154 AB,G 107 111.6 30
Show 21555+5232 ABH 154 AB,H 183 59.1 30
Show 21555+5232 ABH 154 AB,I 256 101.0 30
Show 21555+5232 ABH 154 AB,J 46 80.4 30
Show 21555+5232 ABH 154 AB,K 124 72.3 30
Show 21555+5232 ABH 154 AB,L 118 75.7 30
Show 21555+5232 STT 456 CD 148 40.8 31
Show 21542+5220 SKF2554 108 16.8 43
Show 21578+5314 KPP2191 128 18.0 49
Show 22045+5239 HU 776 357 0.2 54
Show 21568+5132 TDT3253 348 0.7 57
Show 21543+5145 KPP4256 AB 45 2.0 58
Show 22044+5254 TDT3323 112 1.6 59
Show 22037+5313 HDS3131 298 0.2 65
Show 22030+5131 ES 1109 113 5.0 68
Show 21536+5132 ES 828 92 7.7 71
Show 21599+5116 TDT3281 284 1.9 71
Show 22006+5337 RAO 469 36 1.2 73
Show 22051+5142 HDS3134 AB 354 1.0 74
Show 22051+5142 GII 296 Aa,Ab 107 0.1 74
Show 22015+5114 HJ 1716 AB 88 5.8 76
Show 22015+5114 HJ 1716 AC 297 7.0 76
Show 22015+5114 HJ 1716 BD 127 8.9 76
Show 21590+5111 ES 1108 249 6.9 77
Show 22043+5122 TOB 223 184 15.0 83
Show 22048+5125 HJ 1724 225 13.4 84
Show 22086+5225 ES 1111 275 7.8 90
Show 22078+5143 TDT3359 52 2.5 94
Show 22030+5353 TDT3310 170 2.1 95
Show 21550+5356 SKF2398 310 11.5 96
Show 22088+5258 ES 1016 306 4.0 97
Show 21502+5131 COU2655 250 0.3 97
Show 21558+5052 COU2656 65 1.1 98

 
 
WDS 21588+5227 : COMPONENTS
 
 
  A
B pa=334.9°
sep=4.04"
 
 
21588+5227 A
 
 
Componente originario normalizzato AB Name HD 235681 Coord arcsec 2000 215844.63+522618.2 Mag 9.4
Spectral class A0 (white) PmRA 16.00 PmDE -3.0 SAO 33930
Tycho2 3617-00037-1 HD 235681 DM BD+51 3208
Tycho2
Tycho2 3617-00037-1 Pflag RAmdeg 329.68596369 DEmdeg 52.43840335
PmRA 14.6 PmDE 1.0 E RAmdeg 11 E DEmdeg 12
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.82 EpDEm 1990.66
Num 5 Q RAmdeg 0.8 Q DEmdeg 2.7 Q pmRA 0.8
Q pmDE 2.7 BTmag 9.684 E BTmag 0.021 VTmag 9.514
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 329.68590778 DEdeg 52.43840111 EpRA 1990 1.63
EpDE 1990 1.60 E RAdeg 11.1 E DEdeg 11.5 Posflg
Corr 0.0
SAO
SAO 33930 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 0.016 Vmag 9 SpType A0
Double code Source 37 CatNum 7386 DM BD+51 3208
DMcomp BDsup HD 235681 M HD 0
GC RA1950rad 5.74611106 DE1950rad 0.91103992 PmRA2000 0.0013
PmDE2000 0.013
 
 
21588+5227 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215844.44+522621.9 Mag 11.2 PmRA 0.00
PmDE 20.0 Calc delta mag 1.8 Calc coord yes