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Current system
21225+4409
HJ 1640


Nearby doubles
2' : 21227+4408
COU2303

6' : 21220+4408
HJ 1639

17' : 21237+4420
KPP3422

17' : 21223+4353
TDT2930

24' : 21219+4347
TDT2924

26' : 21246+4355
BRT1149

28' : 21217+4434
GRV 455

42' : 21249+4336
BRT1150

43' : 21212+4449
ES 1334AB

44' : 21262+4351
TDT2963

45' : 21189+4351
COU2438

47' : 21264+4349
HO 159

47' : 21185+4357
TRN 32

51' : 21207+4455
GRV 451

51' : 21202+4325
BRT1148

52' : 21187+4428
LDS2507

57' : 21176+4350
COU2301

61' : 21218+4309
STT 438

62' : 21192+4320
TDT2899

63' : 21171+4350
TDT2882

66' : 21200+4308
LDS2509

66' : 21166+4357
BRT1147

67' : 21202+4509
LDS2510

69' : 21199+4307
COU2439

69' : 21214+4301
ES 1585AB

71' : 21282+4445
KPP 7



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.

21225+4409 HJ 1640

 
 
21h 22m 35.66s +44° 08' 40.9" P.A. 35.00 sep 7.4 mag 10.69,11.90
 
 
Coord 2000 21225+4409 Discov num HJ 1640 Comp Coord arcsec 2000 21 22 35.66 +44 08 40.9
Date first 1828 Date last 2015 Obs 9
Pa first 54 Pa last 34.6 P.A. Now (θ) 34.6°
Sep first 6.0 Sep last 7.413 Sep. Now (ρ) 7.413"
Mag pri 10.69 Mag sec 11.90 delta mag (ΔM) 1.21 Spectral class
Pri motion ra +022 Sec motion ra -008
Pri motion dec +005 Sec motion dec +003
Notes
rPM=1.333
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3194-01339-1 Gaia DR2 1970830784122080256
 
 
WDS 21225+4409 HJ 1640 : 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
21225+4409 HJ 1640 1998 2 37 7.8 10.69 11.90 D 212235.66+440840.9
21225+4409 HJ 1640 2002 4 36 7.7 10.69 11.90 D 212235.66+440840.9
21225+4409 HJ 1640 2010 5 35 7.0 10.69 11.90 212235.66+440840.9
21225+4409 HJ 1640 2015 6 35 7.4 10.69 11.90 212235.66+440840.9

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

 
 
WDS 21225+4409 HJ 1640 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21225+4409 HJ 1640 : MEASURES
 
 
No records found.

 
 
WDS 21225+4409 : VIRTUAL EYEPIECE
 
 

21225+4409 HJ 1640A mag 10.69 21225+4409 HJ 1640B sep 6.8 P.A. 26.30 mag 11.9 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 21225+4409 : ALADIN DSS IMAGE @ 21h 22m 35.66s +44° 08' 40.9"
 
 
 
 
WDS 21225+4409 HJ 1640 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21225+4409 HJ 1640 distance=0' 21227+4408 COU2303 distance=2' 21220+4408 HJ 1639 distance=6' 21237+4420 KPP3422 distance=17' 21223+4353 TDT2930 distance=17' 21219+4347 TDT2924 distance=24' 21246+4355 BRT1149 distance=26' 21217+4434 GRV 455 distance=28' 21249+4336 BRT1150 distance=42' 21212+4449 ES 1334AB distance=43' 21262+4351 TDT2963 distance=44' 21189+4351 COU2438 distance=45' 21264+4349 HO 159 distance=47' 21185+4357 TRN 32 distance=47' 21207+4455 GRV 451 distance=51' 21202+4325 BRT1148 distance=51' 21187+4428 LDS2507 distance=52' 21176+4350 COU2301 distance=57' 21218+4309 STT 438 distance=61' 21192+4320 TDT2899 distance=62' 21171+4350 TDT2882 distance=63' 21200+4308 LDS2509 distance=66' 21166+4357 BRT1147 distance=66' 21202+4509 LDS2510 distance=67' 21199+4307 COU2439 distance=69' 21214+4301 ES 1585AB distance=69' 21214+4301 ES 1585AC distance=69' 21214+4301 ES 1585BC distance=70' 21282+4445 KPP 7 distance=71' 21232+4258 COU2304AB distance=72' 21232+4258 GII 32AB,C distance=72' 21273+4315 HJ 1646 distance=73' 21166+4448 ES 97 distance=77' 21169+4456 A 885 distance=77' 21161+4444 MCN 2 distance=78' 21207+4251 GRV 452 distance=80' 21183+4514 TDT2893 distance=81' 21205+4528 KRV 9 distance=83' 21171+4312 A 401 distance=83' 21195+4253 FOX 259AB distance=84' 21291+4455 BU 448 distance=84' 21178+4302 A 616 distance=85' 21152+4339 LDS2501 distance=86' 21158+4326 TDT2867 distance=86' 21265+4254 TDT2967 distance=87' 21278+4515 ES 1335 distance=87' 21280+4305 HO 160 distance=87' 21292+4500 ES 99 distance=88' 21154+4325 LDS2502 distance=91' 21160+4313 LDS2503 distance=91' 21307+4435 ES 1336 distance=92' 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 21225+4409 HJ 1640 35 7.4
Show 21227+4408 COU2303 269 1.9 2
Show 21220+4408 HJ 1639 102 10.7 6
Show 21237+4420 KPP3422 231 17.2 17
Show 21223+4353 TDT2930 356 1.8 17
Show 21219+4347 TDT2924 221 1.0 24
Show 21246+4355 BRT1149 136 3.2 26
Show 21217+4434 GRV 455 132 28.9 28
Show 21249+4336 BRT1150 60 2.9 42
Show 21212+4449 ES 1334 AB 307 5.3 43
Show 21262+4351 TDT2963 267 0.5 44
Show 21189+4351 COU2438 254 1.4 45
Show 21264+4349 HO 159 183 5.5 47
Show 21185+4357 TRN 32 81 3.8 47
Show 21207+4455 GRV 451 184 52.1 51
Show 21202+4325 BRT1148 83 4.1 51
Show 21187+4428 LDS2507 182 3.0 52
Show 21176+4350 COU2301 69 0.5 57
Show 21218+4309 STT 438 357 2.2 61
Show 21192+4320 TDT2899 136 0.6 62
Show 21171+4350 TDT2882 334 0.6 63
Show 21200+4308 LDS2509 176 1.9 66
Show 21166+4357 BRT1147 2.6 66
Show 21202+4509 LDS2510 345 20.4 67
Show 21199+4307 COU2439 266 0.8 69
Show 21214+4301 ES 1585 AB 230 19.2 69
Show 21214+4301 ES 1585 AC 221 26.9 69
Show 21214+4301 ES 1585 BC 202 8.4 70
Show 21282+4445 KPP 7 269 4.0 71
Show 21232+4258 COU2304 AB 154 0.4 72
Show 21232+4258 GII 32 AB,C 49 5.4 72
Show 21273+4315 HJ 1646 115 23.1 73
Show 21166+4448 ES 97 290 7.5 77
Show 21169+4456 A 885 153 3.9 77
Show 21161+4444 MCN 2 303 16.0 78
Show 21207+4251 GRV 452 162 59.2 80
Show 21183+4514 TDT2893 234 0.6 81
Show 21205+4528 KRV 9 123 21.2 83
Show 21171+4312 A 401 318 0.4 83
Show 21195+4253 FOX 259 AB 307 12.5 84
Show 21291+4455 BU 448 -1 2.0 84
Show 21178+4302 A 616 316 2.7 85
Show 21152+4339 LDS2501 274 11.3 86
Show 21158+4326 TDT2867 305 0.6 86
Show 21265+4254 TDT2967 4 1.4 87
Show 21278+4515 ES 1335 287 8.5 87
Show 21280+4305 HO 160 182 2.0 87
Show 21292+4500 ES 99 203 4.5 88
Show 21154+4325 LDS2502 172 67.0 91
Show 21160+4313 LDS2503 131 4.0 91
Show 21307+4435 ES 1336 346 4.8 92

 
 
WDS 21225+4409 : COMPONENTS
 
 
  A
B pa=26.3°
sep=6.81"
 
 
21225+4409 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212235.66+440840.9 Mag 10.69 PmRA 22.00
PmDE 5.0 Tycho2 3194-01339-1
Tycho2
Tycho2 3194-01339-1 Pflag RAmdeg 320.64858208 DEmdeg 44.14469758
PmRA 23.4 PmDE 4.8 E RAmdeg 29 E DEmdeg 28
E pmRA 1.7 E pmDE 1.6 EpRAm 1988.25 EpDEm 1988.14
Num 3 Q RAmdeg 0.9 Q DEmdeg 2.1 Q pmRA 0.9
Q pmDE 2.1 BTmag 11.366 E BTmag 0.052 VTmag 10.695
E VTmag 0.044 Prox 849 TYC T HIP
CCDM RAdeg 320.64850639 DEdeg 44.14468639 EpRA 1990 1.63
EpDE 1990 1.70 E RAdeg 30.3 E DEdeg 28.9 Posflg
Corr 0.0
 
 
21225+4409 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212235.94+440847.0 Mag 11.9 PmRA -8.00
PmDE 3.0 Calc delta mag 1.21 Calc coord yes