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Doubles in session


Current system
21197+3315
HO 155
HD 203170


Nearby doubles
11' : 21194+3306
J 1228

18' : 21207+3327
BU 446AB

19' : 21214+3321
J 3136

20' : 21210+3304
J 1229

33' : 21216+3253
GYL 54

35' : 21187+3348
HU 770

36' : 21225+3311
KPP3369

37' : 21203+3240
GRV 449

40' : 21177+3345
HO 153

42' : 21185+3354
TDT2895

47' : 21172+3351
SLE 379

49' : 21159+3319
COU1478

49' : 21218+3230
HLM 40

49' : 21163+3339
ES 2317

51' : 21208+3227
STT 437AB

51' : 21182+3227
GRV 444

52' : 21207+3226
POP 201

52' : 21156+3315
TOB 216

52' : 21156+3314
GYL 51

52' : 21155+3313
TOB 215

53' : 21159+3340
GYL 52

54' : 21180+3405
RAO 621

56' : 21192+3411
SLE 385

58' : 21151+3313
TOB 217

60' : 21216+3409
RAO 452

62' : 21152+3251
HEI 284AB



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.

21197+3315 HO 155 (HD 203170)

 
 
21h 19m 40.80s +33° 15' 14.8" P.A. 38.00 sep 2.0 mag 8.56,10.09 Sp G0 dist. 164.47 pc (536.5 l.y.)
 
 
Coord 2000 21197+3315 Discov num HO  155 Comp Coord arcsec 2000 21 19 40.80 +33 15 14.8
Date first 1884 Date last 2016 Obs 29
Pa first 32 Pa last 38 P.A. Now (θ) 38°
Sep first 2.2 Sep last 2.004 Sep. Now (ρ) 2.004"
Mag pri 8.56 Mag sec 10.09 delta mag (ΔM) 1.53 Spectral class G0 (yellow)
Pri motion ra +047 Sec motion ra
Pri motion dec +016 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 203170 Constellation Cygnus SAO 71208 HIP 105300
Tycho2 2707-01148-1 Gaia DR2 1854631474722616960 HD 203170 BD BD+32 4125
Distance 164.47 Distance ly 536.5
 
 
WDS 21197+3315 HO 155 (HD 203170) : 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
21197+3315 HO 155 1996 28 36 2.1 8.56 10.09 G0 D 211940.80+331514.8
21197+3315 HO 155 2009 29 39 2.0 8.56 10.09 G0 D 211940.80+331514.8
21197+3315 HO 155 2011 30 37 2.0 8.56 10.09 G0 211940.80+331514.8
21197+3315 HO 155 2016 26 38 2.0 8.56 10.09 G0 211940.80+331514.8

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

 
 
WDS 21197+3315 HO 155 (HD 203170) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21197+3315 HO 155 (HD 203170) : MEASURES
 
 
No records found.

 
 
WDS 21197+3315 (HD 203170) : VIRTUAL EYEPIECE
 
 

21197+3315 HO 155A mag 8.56 Sp G0 21197+3315 HO 155B sep 1.9 P.A. 33.20 mag 10.09 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21197+3315 (HD 203170) : ALADIN DSS IMAGE @ 21h 19m 40.80s +33° 15' 14.8"
 
 
 
 
WDS 21197+3315 HO 155 (HD 203170) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21197+3315 HO 155 distance=1' 21194+3306 J 1228 distance=11' 21207+3327 BU 446AB distance=18' 21207+3327 BU 446AC distance=18' 21207+3327 FOX9035AD distance=18' 21214+3321 J 3136 distance=19' 21210+3304 J 1229 distance=20' 21216+3253 GYL 54 distance=33' 21187+3348 HU 770 distance=35' 21225+3311 KPP3369 distance=36' 21203+3240 GRV 449 distance=37' 21177+3345 HO 153 distance=40' 21185+3354 TDT2895 distance=42' 21172+3351 SLE 379 distance=47' 21159+3319 COU1478 distance=49' 21218+3230 HLM 40 distance=49' 21163+3339 ES 2317 distance=49' 21208+3227 STT 437AB distance=51' 21208+3227 STT 437AC distance=51' 21182+3227 GRV 444 distance=51' 21207+3226 POP 201 distance=52' 21156+3315 TOB 216 distance=52' 21156+3314 GYL 51 distance=52' 21155+3313 TOB 215 distance=52' 21159+3340 GYL 52 distance=53' 21180+3405 RAO 621 distance=54' 21192+3411 SLE 385 distance=56' 21151+3313 TOB 217 distance=58' 21216+3409 RAO 452 distance=60' 21152+3251 HEI 284AB distance=62' 21152+3251 HEI 284AC distance=62' 21190+3418 COU 131 distance=63' 21150+3340 TDT2857 distance=64' 21242+3358 J 2346 distance=66' 21206+3420 JNN 129 distance=66' 21145+3330 TDT2849 distance=67' 21157+3235 HJ 1628 distance=69' 21149+3240 HJ 1627 distance=70' 21143+3332 ES 2316 distance=70' 21177+3423 SLE 381 distance=72' 21148+3238 TOB 218 distance=73' 21160+3217 SEI1482 distance=74' 21139+3336 TDT2842 distance=75' 21186+3430 HU 769 distance=77' 21258+3329 GYL 56 distance=78' 21174+3203 HJ 931 distance=79' 21149+3407 J 3129AB distance=80' 21149+3407 J 3129AC distance=80' 21171+3203 FOX9054 distance=80' 21136+3249 TDT2837 distance=82' 21143+3402 GYL 49 distance=83' 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 21197+3315 HO 155 38 2.0 1
Show 21194+3306 J 1228 281 3.7 11
Show 21207+3327 BU 446 AB 258 3.2 18
Show 21207+3327 BU 446 AC 214 70.8 18
Show 21207+3327 FOX9035 AD 109 74.2 18
Show 21214+3321 J 3136 179 8.1 19
Show 21210+3304 J 1229 305 2.2 20
Show 21216+3253 GYL 54 137 22.2 33
Show 21187+3348 HU 770 314 0.9 35
Show 21225+3311 KPP3369 47 1.8 36
Show 21203+3240 GRV 449 327 64.2 37
Show 21177+3345 HO 153 128 1.0 40
Show 21185+3354 TDT2895 143 0.9 42
Show 21172+3351 SLE 379 289 8.9 47
Show 21159+3319 COU1478 175 1.4 49
Show 21218+3230 HLM 40 23 15.5 49
Show 21163+3339 ES 2317 310 10.7 49
Show 21208+3227 STT 437 AB 19 2.5 51
Show 21208+3227 STT 437 AC 144 79.6 51
Show 21182+3227 GRV 444 250 36.1 51
Show 21207+3226 POP 201 203 7.1 52
Show 21156+3315 TOB 216 135 14.2 52
Show 21156+3314 GYL 51 102 43.1 52
Show 21155+3313 TOB 215 232 16.2 52
Show 21159+3340 GYL 52 62 29.0 53
Show 21180+3405 RAO 621 293 1.1 54
Show 21192+3411 SLE 385 175 12.8 56
Show 21151+3313 TOB 217 268 16.4 58
Show 21216+3409 RAO 452 214 3.7 60
Show 21152+3251 HEI 284 AB 26 4.3 62
Show 21152+3251 HEI 284 AC 224 8.7 62
Show 21190+3418 COU 131 195 3.9 63
Show 21150+3340 TDT2857 288 0.5 64
Show 21242+3358 J 2346 229 4.1 66
Show 21206+3420 JNN 129 213 0.1 66
Show 21145+3330 TDT2849 204 2.2 67
Show 21157+3235 HJ 1628 252 15.1 69
Show 21149+3240 HJ 1627 182 2.5 70
Show 21143+3332 ES 2316 5.0 70
Show 21177+3423 SLE 381 279 9.6 72
Show 21148+3238 TOB 218 295 21.8 73
Show 21160+3217 SEI1482 197 19.9 74
Show 21139+3336 TDT2842 185 1.8 75
Show 21186+3430 HU 769 178 0.9 77
Show 21258+3329 GYL 56 3 16.3 78
Show 21174+3203 HJ 931 356 9.9 79
Show 21149+3407 J 3129 AB 323 4.7 80
Show 21149+3407 J 3129 AC 149 11.5 80
Show 21171+3203 FOX9054 358 6.1 80
Show 21136+3249 TDT2837 93 0.7 82
Show 21143+3402 GYL 49 148 16.7 83

 
 
WDS 21197+3315 : COMPONENTS
 
 
  A
B pa=33.2°
sep=1.89"
 
 
21197+3315 A
 
 
Componente originario normalizzato AB Name HD 203170 Coord arcsec 2000 211940.80+331514.8 Mag 8.56
Spectral class G0 (yellow) PmRA 47.00 PmDE 16.0 SAO 71208
HIP 105300 Tycho2 2707-01148-1 HD 203170 BD BD+32 4125
Tycho2
Tycho2 2707-01148-1 Pflag RAmdeg 319.91998045 DEmdeg 33.25409747
PmRA 47.4 PmDE 15.8 E RAmdeg 6 E DEmdeg 6
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.00 EpDEm 1991.19
Num 8 Q RAmdeg 3.3 Q DEmdeg 2.3 Q pmRA 3.3
Q pmDE 2.2 BTmag 9.240 E BTmag 0.016 VTmag 8.558
E VTmag 0.012 Prox 21 TYC T HIP 105300
CCDM A RAdeg 319.91984528 DEdeg 33.25406000 EpRA 1990 1.54
EpDE 1990 1.59 E RAdeg 6.4 E DEdeg 6.0 Posflg D
Corr 0.2
SAO
SAO 71208 DelFlag RA1950 PmRA1950 0.0042
DE1950 PmDE1950 0.021 Vmag 7.8 SpType G0
Double code Source 6 CatNum 2095 DM BD+32 4125
DMcomp BDsup HD 203170 M HD 0
GC RA1950rad 5.57451473 DE1950rad 0.57668547 PmRA2000 0.0044
PmDE2000 0.018
Hipparcos
Catalog H HIP 105300 Proxy H RAhms 21 19 40.76
DEdms +33 15 14.6 Vmag 8.23 VarFlag R Vmag H
RAdeg 319.92 DEdeg 33.2541 AstroRef A Plx 5.74
CCDM 21197+3315 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 36 Rho 2.063 HD 203170 BD BD+32 4125
CD CP Dm number +32 4125 VIred 0.66
SpType G0 R SpType Coord arcsec 2000 211940.76+331514.6
Hipparcos 2
HIP 105300 Sn 15 So 3 Nc 2
RArad 5.5836545905 DErad 0.5803927864 Plx 6.08 PmRA 52.76
PmDE 18.22 E RArad 0.54 E DErad 0.64 E Plx 0.99
E pmRA 0.71 E pmDE 0.69 Hpmag 8.361 E Hpmag 0.0016
SHp 0.016 VA 0 BV 0.6 E BV 0.016
VI 0.67
CCDM
Ccdm 21197+3315 RComp Comp A Note1
Note2 Discov num DRAs -1.17 DDEs 16.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp G0 PmNote *
PmRA 56 PmDE 42 Dm number +32 4125 Cat1 BD
Name2 +33 2095 Cat2 AGK2/3 HD 203170 M HD
ADS BDS A14861 M ADS BDS N IDS IDS 21155N3250A
HIC 105300
 
 
21197+3315 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211940.88+331516.4 Mag 10.09 Calc delta mag 1.53
Calc coord yes
CCDM
Ccdm 21197+3315 RComp Comp B Note1
Note2 Discov num HO 155 DRAs DDEs
R dRAs Year 1884 Theta 033 Rho 2.2
Obs 13 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14861 M ADS BDS N IDS IDS 21155N3250B
HIC 105300