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Current system
21207+3327
BU 446 AC


Nearby doubles
10' : 21214+3321
J 3136

18' : 21197+3315
HO 155

23' : 21210+3304
J 1229

27' : 21225+3311
KPP3369

28' : 21194+3306
J 1228

33' : 21187+3348
HU 770

36' : 21216+3253
GYL 54

39' : 21185+3354
TDT2895

43' : 21177+3345
HO 153AB

45' : 21216+3409
RAO 452

47' : 21203+3240
GRV 449

48' : 21192+3411
SLE 385

48' : 21242+3358
J 2346

50' : 21172+3351
SLE 379

51' : 21180+3405
RAO 621

54' : 21206+3420
JNN 129

56' : 21190+3418
COU 131

58' : 21163+3339
ES 2317

58' : 21218+3230
HLM 40

60' : 21208+3227
STT 437AB

62' : 21207+3226
POP 201

62' : 21159+3340
GYL 52

62' : 21159+3319
COU1478

64' : 21258+3329
GYL 56

66' : 21156+3315
TOB 216

67' : 21156+3314
GYL 51



Selections
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Quadruple Systems
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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21207+3327 BU 446 AC

 
 
21h 20m 44.34s +33° 26' 49.2" P.A. 214.00 sep 70.8 mag 9.27,11.00 Sp A5
 
 
Coord 2000 21207+3327 Discov num BU  446 Comp AC Coord arcsec 2000 21 20 44.34 +33 26 49.2
Date first 1893 Date last 2015 Obs 10
Pa first 217 Pa last 213.5 P.A. Now (θ) 213.5°
Sep first 77.3 Sep last 70.829 Sep. Now (ρ) 70.829"
Mag pri 9.27 Mag sec 11.00 delta mag (ΔM) 1.73 Spectral class A5 (white)
Pri motion ra -025 Sec motion ra +032
Pri motion dec -027 Sec motion dec -002
Notes
rPM=1.691
This double is not physical.
 
 
21207+3327 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 71228 21 20 44 +33 26 49 BU 446 AB 2016 13 258 3.2 9.27 12.30 3.03
Show 71228 21 20 44 +33 26 49 BU 446 AC 2015 10 214 70.8 9.27 11.00 1.73 <===
Show 71228 21 20 44 +33 26 49 FOX 9035 AD 2015 4 109 74.2 9.27 12.97 3.70
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 71228 Tycho2 2707-00051-1 Gaia DR2 1855010363861035520
 
 
WDS 21207+3327 BU 446 AC : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21207+3327 BU 446 AC 1998 8 214 71.5 9.27 11.00 A5 D 212044.34+332649.2
21207+3327 BU 446 AC 2002 9 214 71.5 9.27 11.00 A5 D 212044.34+332649.2
21207+3327 BU 446 AC 2015 10 214 70.8 9.27 11.00 A5 212044.34+332649.2

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

 
 
WDS 21207+3327 BU 446 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21207+3327 BU 446 AC : MEASURES
 
 
No records found.

 
 
WDS 21207+3327 : VIRTUAL EYEPIECE
 
 

21207+3327 BU 446A mag 9.27 Sp A5 21207+3327 BU 446B sep 3.2 P.A. 258.40 mag 12.3 21207+3327 BU 446C sep 70.8 P.A. 213.50 mag 11 21207+3327 FOX9035D sep 74.2 P.A. 108.80 mag 12.97 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 21207+3327 : ALADIN DSS IMAGE @ 21h 20m 44.34s +33° 26' 49.2"
 
 
 
 
WDS 21207+3327 BU 446 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21207+3327 BU 446AC distance=0' 21214+3321 J 3136 distance=10' 21197+3315 HO 155 distance=18' 21210+3304 J 1229 distance=23' 21225+3311 KPP3369 distance=27' 21194+3306 J 1228 distance=28' 21187+3348 HU 770 distance=33' 21216+3253 GYL 54 distance=36' 21185+3354 TDT2895 distance=39' 21177+3345 HO 153AB distance=43' 21177+3345 HO 153Aa,Ab distance=43' 21216+3409 RAO 452 distance=45' 21203+3240 GRV 449 distance=47' 21192+3411 SLE 385 distance=48' 21242+3358 J 2346 distance=48' 21172+3351 SLE 379 distance=50' 21180+3405 RAO 621 distance=51' 21206+3420 JNN 129 distance=54' 21190+3418 COU 131 distance=56' 21163+3339 ES 2317 distance=58' 21218+3230 HLM 40 distance=58' 21208+3227 STT 437AB distance=60' 21208+3227 STT 437AC distance=60' 21207+3226 POP 201 distance=62' 21159+3340 GYL 52 distance=62' 21159+3319 COU1478 distance=62' 21258+3329 GYL 56 distance=64' 21156+3315 TOB 216 distance=66' 21156+3314 GYL 51 distance=67' 21155+3313 TOB 215 distance=67' 21182+3227 GRV 444 distance=67' 21177+3423 SLE 381 distance=68' 21186+3430 HU 769 distance=69' 21262+3339 TDT2964 distance=70' 21217+3436 COU1334 distance=71' 21151+3313 TOB 217 distance=72' 21150+3340 TDT2857 distance=74' 21265+3315 HJ 935AB distance=74' 21265+3315 HJ 935BC distance=74' 21267+3329 TDT2973 distance=75' 21268+3337 ES 2382 distance=77' 21257+3241 GYL 55 distance=78' 21152+3251 HEI 284AB distance=79' 21152+3251 HEI 284AC distance=79' 21145+3330 TDT2849 distance=79' 21262+3249 GRV 467 distance=79' 21143+3332 ES 2316 distance=82' 21149+3407 J 3129AB distance=84' 21149+3407 J 3129AC distance=84' 21257+3422 GRV 465 distance=85' 21159+3428 SLE 377 distance=86' 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 21207+3327 BU 446 AB 258 3.2 0
Show 21207+3327 BU 446 AC 214 70.8 0
Show 21207+3327 FOX9035 AD 109 74.2 0
Show 21214+3321 J 3136 179 8.1 10
Show 21197+3315 HO 155 38 2.0 18
Show 21210+3304 J 1229 303 2.2 23
Show 21225+3311 KPP3369 47 1.8 27
Show 21194+3306 J 1228 281 3.7 28
Show 21187+3348 HU 770 314 0.9 33
Show 21216+3253 GYL 54 137 22.2 36
Show 21185+3354 TDT2895 143 0.9 39
Show 21177+3345 HO 153 AB 128 1.0 43
Show 21177+3345 HO 153 Aa,Ab 43 0.3 43
Show 21216+3409 RAO 452 214 3.7 45
Show 21203+3240 GRV 449 327 64.2 47
Show 21192+3411 SLE 385 175 12.8 48
Show 21242+3358 J 2346 229 4.1 48
Show 21172+3351 SLE 379 289 8.9 50
Show 21180+3405 RAO 621 293 1.1 51
Show 21206+3420 JNN 129 213 0.1 54
Show 21190+3418 COU 131 195 3.9 56
Show 21163+3339 ES 2317 310 10.7 58
Show 21218+3230 HLM 40 23 15.5 58
Show 21208+3227 STT 437 AB 17 2.5 60
Show 21208+3227 STT 437 AC 144 79.6 60
Show 21207+3226 POP 201 203 7.1 62
Show 21159+3340 GYL 52 62 29.0 62
Show 21159+3319 COU1478 175 1.4 62
Show 21258+3329 GYL 56 3 16.3 64
Show 21156+3315 TOB 216 135 14.2 66
Show 21156+3314 GYL 51 102 43.1 67
Show 21155+3313 TOB 215 232 16.2 67
Show 21182+3227 GRV 444 250 36.1 67
Show 21177+3423 SLE 381 279 9.6 68
Show 21186+3430 HU 769 178 0.9 69
Show 21262+3339 TDT2964 258 0.4 70
Show 21217+3436 COU1334 148 0.8 71
Show 21151+3313 TOB 217 268 16.4 72
Show 21150+3340 TDT2857 288 0.5 74
Show 21265+3315 HJ 935 AB 16 12.9 74
Show 21265+3315 HJ 935 BC 52 1.7 74
Show 21267+3329 TDT2973 337 2.4 75
Show 21268+3337 ES 2382 257 7.7 77
Show 21257+3241 GYL 55 163 5.8 78
Show 21152+3251 HEI 284 AB 26 4.3 79
Show 21152+3251 HEI 284 AC 224 8.7 79
Show 21145+3330 TDT2849 204 2.2 79
Show 21262+3249 GRV 467 338 60.2 79
Show 21143+3332 ES 2316 0 5.0 82
Show 21149+3407 J 3129 AB 323 4.7 84
Show 21149+3407 J 3129 AC 149 11.5 84

 
 
WDS 21207+3327 : COMPONENTS
 
 
  A B C
B pa=258.4°
sep=3.16"
 
C pa=213.5°
sep=70.83"
pa=211.6°
sep=68.63"
 
D pa=108.8°
sep=74.17"
pa=107.6°
sep=76.91"
pa=72.2°
sep=114.84"
 
 
21207+3327 A
 
 
Coord arcsec 2000 212044.34+332649.2 Mag 9.27 Spectral class A5 (white) PmRA -24.00
PmDE -22.0 SAO 71228 DM BD+32 4131
SAO
SAO 71228 DelFlag RA1950 PmRA1950 -0.0029
DE1950 PmDE1950 -0.042 Vmag 8.8 SpType
Double code Source 6 CatNum 2097 DM BD+32 4131
DMcomp BDsup HD M HD
GC RA1950rad 5.57915632 DE1950rad 0.5800458 PmRA2000 -0.0027
PmDE2000 -0.045
CCDM
Ccdm 21207+3327 RComp Comp A Note1
Note2 Discov num DRAs 2.30 DDEs -10.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.1 Sp PmNote *
PmRA -13 PmDE -12 Dm number +32 4131 Cat1 BD
Name2 +33 2097 Cat2 AGK2/3 HD M HD
ADS BDS A14887 M ADS BDS N IDS IDS 21166N3301A
HIC
 
 
21207+3327 B
 
 
Coord arcsec 2000 212044.09+332648.6 Mag 12.3 Delta magnitude 3.03 Coordinate calculated yes
CCDM
Ccdm 21207+3327 RComp Comp B Note1
Note2 Discov num BU 446 DRAs DDEs
R dRAs Year 1876 Theta 258 Rho 3.0
Obs 9 Vmag 12.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14887 M ADS BDS N IDS IDS 21166N3301B
HIC
 
 
21207+3327 C
 
 
Coord arcsec 2000 212041.22+332550.1 Mag 11 PmRA 32.00 PmDE -2.0
Delta magnitude 1.73 Coordinate calculated yes
CCDM
Ccdm 21207+3327 RComp Comp C Note1
Note2 Discov num BU 446 DRAs DDEs
R dRAs Year 1913 Theta 216 Rho 76.4
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14887 M ADS BDS N IDS IDS 21166N3301C
HIC
 
 
21207+3327 D
 
 
Coord arcsec 2000 212049.95+332625.3 Mag 12.97 PmRA -5.00 PmDE -6.0
Delta magnitude 3.7 Coordinate calculated yes