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Doubles in session


Current system
21230+3202
HO 157
HD 203697


Nearby doubles
7' : 21226+3158
HJ 1637AB

15' : 21229+3149
J 2344

19' : 21231+3144
HDS3046AB

20' : 21229+3142
GRV 458

25' : 21223+3139
ES 377AB

32' : 21237+3131
GRV 460

38' : 21208+3227
STT 437AB

39' : 21207+3226
POP 201

39' : 21218+3230
HLM 40

40' : 21225+3123
KPP1063

43' : 21252+3129
A 1220

47' : 21198+3138
GRV 445

47' : 21234+3115
A 1218

51' : 21203+3240
GRV 449

52' : 21257+3241
GYL 55

55' : 21216+3253
GYL 54

57' : 21275+3158
TDT2977

57' : 21220+3106
KPP3368

60' : 21219+3104
CRB 141

63' : 21205+3107
J 3135

64' : 21262+3249
GRV 467

66' : 21182+3227
GRV 444

67' : 21281+3214
SOZ 26

67' : 21222+3056
ES 376

69' : 21210+3304
J 1229

70' : 21225+3311
KPP3369



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.

21230+3202 HO 157 (HD 203697)

 
 
21h 23m 00.23s +32° 01' 37.6" P.A. 26.00 sep 3.6 mag 9.11,9.64 Sp F2
 
 
Coord 2000 21230+3202 Discov num HO  157 Comp Coord arcsec 2000 21 23 00.23 +32 01 37.6
Date first 1882 Date last 2016 Obs 58
Pa first 21 Pa last 26.4 P.A. Now (θ) 26.4°
Sep first 3.8 Sep last 3.604 Sep. Now (ρ) 3.604"
Mag pri 9.11 Mag sec 9.64 delta mag (ΔM) 0.53 Spectral class F2 (yellow-white)
Pri motion ra +009 Sec motion ra +009
Pri motion dec -035 Sec motion dec -040
Notes V (Proper motion indicates physical)
rPM=0.122 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 203697 Constellation Cygnus Tycho2 2707-01751-1 Gaia DR2 1853707820530802944
HD 203697
 
 
WDS 21230+3202 HO 157 (HD 203697) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21230+3202 HO 157 2003 62 26 3.5 9.11 9.64 F2 D 212300.23+320137.6
21230+3202 HO 157 2011 64 26 3.6 9.11 9.64 F2 D 212300.23+320137.6
21230+3202 HO 157 2016 56 26 3.6 9.11 9.64 F2 212300.23+320137.6

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

 
 
WDS 21230+3202 HO 157 (HD 203697) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21230+3202 HO 157 (HD 203697) : MEASURES
 
 
No records found.

 
 
WDS 21230+3202 (HD 203697) : VIRTUAL EYEPIECE
 
 

21230+3202 HO 157A mag 9.11 Sp F2 21230+3202 HO 157B sep 3.5 P.A. 22.80 mag 9.64 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21230+3202 (HD 203697) : ALADIN DSS IMAGE @ 21h 23m 00.23s +32° 01' 37.6"
 
 
 
 
WDS 21230+3202 HO 157 (HD 203697) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21230+3202 HO 157 distance=0' 21226+3158 HJ 1637AB distance=7' 21226+3158 DAL 15AC distance=7' 21229+3149 J 2344 distance=15' 21231+3144 HDS3046AB distance=19' 21231+3144 DAM 229AC distance=19' 21229+3142 GRV 458 distance=20' 21223+3139 ES 377BC distance=25' 21223+3139 ES 377AB distance=25' 21237+3131 GRV 460 distance=32' 21208+3227 STT 437AB distance=38' 21208+3227 STT 437AC distance=38' 21207+3226 POP 201 distance=39' 21218+3230 HLM 40 distance=39' 21225+3123 KPP1063 distance=40' 21252+3129 A 1220 distance=43' 21198+3138 GRV 445 distance=47' 21234+3115 A 1218 distance=47' 21203+3240 GRV 449 distance=51' 21257+3241 GYL 55 distance=52' 21216+3253 GYL 54 distance=55' 21275+3158 TDT2977 distance=57' 21220+3106 KPP3368 distance=57' 21219+3104 CRB 141 distance=60' 21205+3107 J 3135 distance=63' 21262+3249 GRV 467 distance=64' 21182+3227 GRV 444 distance=66' 21281+3214 SOZ 26 distance=67' 21222+3056 ES 376 distance=67' 21210+3304 J 1229 distance=69' 21225+3311 KPP3369 distance=70' 21174+3203 HJ 931 distance=72' 21171+3203 FOX9054 distance=76' 21194+3306 J 1228 distance=79' 21290+3224 ES 378AB distance=80' 21290+3224 WAL 139AC distance=80' 21212+3044 TDT2914 distance=81' 21214+3321 J 3136 distance=81' 21197+3315 HO 155 distance=85' 21265+3315 HJ 935AB distance=87' 21265+3315 HJ 935BC distance=87' 21268+3050 A 1221 distance=87' 21162+3145 TDT2871 distance=89' 21286+3255 TDT2984 distance=89' 21160+3217 SEI1482 distance=90' 21207+3327 BU 446AB distance=90' 21207+3327 BU 446AC distance=90' 21207+3327 FOX9035AD distance=90' 21158+3159 TDT2868 distance=92' 21258+3329 GYL 56 distance=95' 21180+3049 COU1183 distance=97' 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 21230+3202 HO 157 26 3.6
Show 21226+3158 HJ 1637 AB 104 13.4 7
Show 21226+3158 DAL 15 AC 142 8.3 7
Show 21229+3149 J 2344 227 6.7 15
Show 21231+3144 HDS3046 AB 329 4.8 19
Show 21231+3144 DAM 229 AC 22 14.2 19
Show 21229+3142 GRV 458 123 43.4 20
Show 21223+3139 ES 377 BC 211 2.2 25
Show 21223+3139 ES 377 AB 291 48.7 25
Show 21237+3131 GRV 460 185 52.6 32
Show 21208+3227 STT 437 AB 19 2.5 38
Show 21208+3227 STT 437 AC 144 79.6 38
Show 21207+3226 POP 201 203 7.1 39
Show 21218+3230 HLM 40 23 15.5 39
Show 21225+3123 KPP1063 321 8.4 40
Show 21252+3129 A 1220 160 1.6 43
Show 21198+3138 GRV 445 278 36.2 47
Show 21234+3115 A 1218 15 4.1 47
Show 21203+3240 GRV 449 327 64.2 51
Show 21257+3241 GYL 55 163 5.8 52
Show 21216+3253 GYL 54 137 22.2 55
Show 21275+3158 TDT2977 120 0.5 57
Show 21220+3106 KPP3368 41 8.9 57
Show 21219+3104 CRB 141 22 28.8 60
Show 21205+3107 J 3135 97 4.0 63
Show 21262+3249 GRV 467 338 60.2 64
Show 21182+3227 GRV 444 250 36.1 66
Show 21281+3214 SOZ 26 11 12.3 67
Show 21222+3056 ES 376 221 9.2 67
Show 21210+3304 J 1229 305 2.2 69
Show 21225+3311 KPP3369 47 1.8 70
Show 21174+3203 HJ 931 356 9.9 72
Show 21171+3203 FOX9054 358 6.1 76
Show 21194+3306 J 1228 281 3.7 79
Show 21290+3224 ES 378 AB 203 9.5 80
Show 21290+3224 WAL 139 AC 251 41.6 80
Show 21212+3044 TDT2914 17 2.0 81
Show 21214+3321 J 3136 179 8.1 81
Show 21197+3315 HO 155 38 2.0 85
Show 21265+3315 HJ 935 AB 16 12.9 87
Show 21265+3315 HJ 935 BC 52 1.7 87
Show 21268+3050 A 1221 74 1.2 87
Show 21162+3145 TDT2871 230 3.3 89
Show 21286+3255 TDT2984 38 0.5 89
Show 21160+3217 SEI1482 197 19.9 90
Show 21207+3327 BU 446 AB 258 3.2 90
Show 21207+3327 BU 446 AC 214 70.8 90
Show 21207+3327 FOX9035 AD 109 74.2 90
Show 21158+3159 TDT2868 185 2.0 92
Show 21258+3329 GYL 56 3 16.3 95
Show 21180+3049 COU1183 16 0.3 97

 
 
WDS 21230+3202 : COMPONENTS
 
 
  A
B pa=22.8°
sep=3.50"
 
 
21230+3202 A
 
 
Componente originario normalizzato AB Name HD 203697 Coord arcsec 2000 212300.23+320137.6 Mag 9.11
Spectral class F2 (yellow-white) PmRA 9.00 PmDE -35.0 Tycho2 2707-01751-1
HD 203697
Tycho2
Tycho2 2707-01751-1 Pflag RAmdeg 320.75093974 DEmdeg 32.02710068
PmRA 8.5 PmDE -35.5 E RAmdeg 8 E DEmdeg 8
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.14 EpDEm 1991.16
Num 5 Q RAmdeg 0.6 Q DEmdeg 3.5 Q pmRA 0.6
Q pmDE 3.6 BTmag 9.623 E BTmag 0.019 VTmag 9.106
E VTmag 0.014 Prox 37 TYC T HIP
CCDM RAdeg 320.75091583 DEdeg 32.02718417 EpRA 1990 1.47
EpDE 1990 1.51 E RAdeg 7.9 E DEdeg 7.9 Posflg D
Corr 0.2
CCDM
Ccdm 21230+3202 RComp Comp A Note1
Note2 Discov num DRAs 0.37 DDEs -22.7
R dRAs 21 Year Theta Rho
Obs 2 Vmag 9.2 Sp F2 PmNote
PmRA 51 PmDE -38 Dm number +31 4432 Cat1 BD
Name2 Cat2 HD 203697 M HD
ADS BDS A14928 M ADS BDS N IDS IDS 21188N3136A
HIC
 
 
21230+3202 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212300.34+320140.8 Mag 9.64 PmRA 9.00
PmDE -40.0 Tycho2 2707-01751-2 Calc delta mag 0.53 Calc coord yes
Tycho2
Tycho2 2707-01751-2 Pflag RAmdeg 320.75146412 DEmdeg 32.02802741
PmRA 12.3 PmDE -34.1 E RAmdeg 12 E DEmdeg 12
E pmRA 1.7 E pmDE 1.7 EpRAm 1990.94 EpDEm 1990.98
Num 3 Q RAmdeg 1.1 Q DEmdeg 1.7 Q pmRA 1.1
Q pmDE 1.7 BTmag 10.143 E BTmag 0.022 VTmag 9.636
E VTmag 0.019 Prox 37 TYC T HIP
CCDM RAdeg 320.75142944 DEdeg 32.02810778 EpRA 1990 1.47
EpDE 1990 1.51 E RAdeg 11.7 E DEdeg 11.6 Posflg D
Corr 0.2
CCDM
Ccdm 21230+3202 RComp Comp B Note1
Note2 Discov num HO 157 DRAs DDEs
R dRAs Year 1882 Theta 022 Rho 3.8
Obs 20 Vmag 9.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14928 M ADS BDS N IDS IDS 21188N3136B
HIC