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Current system
21345+4559
HJ 1660


Nearby doubles
15' : 21353+4612
TOR 28

23' : 21365+4609
ES 101

32' : 21343+4630
ES 518

36' : 21352+4634
LDS4898

38' : 21336+4522
UC 263AB

40' : 21353+4519
TDT3046

41' : 21381+4616
TOR 29

43' : 21372+4527
COU2310

45' : 21386+4544
KPP1196

47' : 21370+4520
COU2309

47' : 21305+4620
A 768

49' : 21318+4518
POP 150

49' : 21331+4512
COU2308

50' : 21301+4539
POP 149

56' : 21346+4654
TDT3038

57' : 21393+4625
COU2312

58' : 21296+4626
HDS3059

59' : 21317+4508
AG 272

61' : 21401+4616
HDS3085

66' : 21282+4607
TDT2981

67' : 21292+4629
ES 1274AB

71' : 21293+4512
ES 100AB

72' : 21311+4701
CLZ 80

72' : 21313+4455
POP 137

76' : 21383+4702
TDT3071

78' : 21341+4441
TDT3035



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.

21345+4559 HJ 1660

 
 
21h 34m 29.20s +45° 58' 17.9" P.A. 261.00 sep 6.5 mag 11.60,12.20
 
 
Coord 2000 21345+4559 Discov num HJ 1660 Comp Coord arcsec 2000 21 34 29.20 +45 58 17.9
Date first 1828 Date last 2015 Obs 10
Pa first 218 Pa last 260.5 P.A. Now (θ) 260.5°
Sep first 3.0 Sep last 6.488 Sep. Now (ρ) 6.488"
Mag pri 11.60 Mag sec 12.20 delta mag (ΔM) 0.6 Spectral class
Pri motion ra +008 Sec motion ra -001
Pri motion dec -030 Sec motion dec -005
Notes
rPM=0.856
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1977176963390625920
 
 
WDS 21345+4559 HJ 1660 : 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
21345+4559 HJ 1660 2003 3 257 6.6 11.60 12.20 D 213429.20+455817.9
21345+4559 HJ 1660 2010 6 261 5.7 11.60 12.20 213429.20+455817.9
21345+4559 HJ 1660 2015 6 261 6.5 11.60 12.20 213429.20+455817.9

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

 
 
WDS 21345+4559 HJ 1660 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21345+4559 HJ 1660 : MEASURES
 
 
No records found.

 
 
WDS 21345+4559 : VIRTUAL EYEPIECE
 
 

21345+4559 HJ 1660A mag 11.6 21345+4559 HJ 1660B sep 4.6 P.A. 256.50 mag 12.2 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 21345+4559 : ALADIN DSS IMAGE @ 21h 34m 29.20s +45° 58' 17.9"
 
 
 
 
WDS 21345+4559 HJ 1660 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21345+4559 HJ 1660 distance=0' 21353+4612 TOR 28 distance=15' 21365+4609 ES 101 distance=23' 21343+4630 ES 518 distance=32' 21352+4634 LDS4898 distance=36' 21336+4522 UC 263AB distance=38' 21353+4519 TDT3046 distance=40' 21381+4616 TOR 29 distance=41' 21372+4527 COU2310 distance=43' 21386+4544 KPP1196 distance=45' 21370+4520 COU2309 distance=47' 21305+4620 A 768 distance=47' 21318+4518 POP 150 distance=49' 21331+4512 COU2308 distance=49' 21301+4539 POP 149 distance=50' 21346+4654 TDT3038 distance=56' 21393+4625 COU2312 distance=57' 21296+4626 HDS3059 distance=58' 21317+4508 AG 272 distance=59' 21401+4616 HDS3085 distance=61' 21292+4629 ES 1274CD distance=64' 21282+4607 TDT2981 distance=66' 21292+4629 ES 1274AB distance=67' 21293+4512 ES 100AB distance=71' 21293+4512 ES 100AC distance=71' 21311+4701 CLZ 80 distance=72' 21313+4455 POP 137 distance=72' 21383+4702 TDT3071 distance=76' 21341+4441 TDT3035 distance=78' 21341+4718 HDS3072 distance=80' 21292+4500 ES 99 distance=81' 21336+4438 ES 1340AB distance=82' 21336+4438 ES 1340AC distance=82' 21328+4437 ES 1339AB distance=83' 21328+4437 ES 1339AC distance=83' 21278+4515 ES 1335 distance=83' 21423+4616 ES 1275AB distance=83' 21342+4721 BKO 160AB distance=84' 21342+4721 BKO 160AC distance=84' 21423+4616 ES 1275BC distance=84' 21423+4616 ES 1275BD distance=84' 21322+4438 ES 1338 distance=85' 21350+4723 ES 1173 distance=85' 21291+4455 BU 448 distance=85' 21325+4436 POP 136A,BC distance=85' 21325+4436 POP 136BC distance=86' 21345+4725 ES 1172AB distance=87' 21345+4725 ES 1172AC distance=87' 21345+4725 ABH 146AD distance=87' 21345+4725 ABH 146AE distance=87' 21345+4725 ABH 146AF distance=87' 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 21345+4559 HJ 1660 261 6.5
Show 21353+4612 TOR 28 324 13.1 15
Show 21365+4609 ES 101 4 5.3 23
Show 21343+4630 ES 518 14 4.6 32
Show 21352+4634 LDS4898 71 3.9 36
Show 21336+4522 UC 263 AB 64 66.2 38
Show 21353+4519 TDT3046 134 0.5 40
Show 21381+4616 TOR 29 339 7.5 41
Show 21372+4527 COU2310 10 0.5 43
Show 21386+4544 KPP1196 58 9.3 45
Show 21370+4520 COU2309 53 0.7 47
Show 21305+4620 A 768 335 0.7 47
Show 21318+4518 POP 150 219 4.4 49
Show 21331+4512 COU2308 177 0.1 49
Show 21301+4539 POP 149 296 3.9 50
Show 21346+4654 TDT3038 135 0.6 56
Show 21393+4625 COU2312 164 0.3 57
Show 21296+4626 HDS3059 142 0.7 58
Show 21317+4508 AG 272 184 4.2 59
Show 21401+4616 HDS3085 142 16.1 61
Show 21292+4629 ES 1274 CD 46 6.0 64
Show 21282+4607 TDT2981 101 2.0 66
Show 21292+4629 ES 1274 AB 242 3.2 67
Show 21293+4512 ES 100 AB 157 4.4 71
Show 21293+4512 ES 100 AC 333 29.9 71
Show 21311+4701 CLZ 80 346 9.3 72
Show 21313+4455 POP 137 103 1.6 72
Show 21383+4702 TDT3071 99 2.6 76
Show 21341+4441 TDT3035 195 2.8 78
Show 21341+4718 HDS3072 49 0.3 80
Show 21292+4500 ES 99 203 4.5 81
Show 21336+4438 ES 1340 AB 222 7.6 82
Show 21336+4438 ES 1340 AC 165 5.9 82
Show 21328+4437 ES 1339 AB 135 5.1 83
Show 21328+4437 ES 1339 AC 247 23.1 83
Show 21278+4515 ES 1335 287 8.5 83
Show 21423+4616 ES 1275 AB 1 72.6 83
Show 21342+4721 BKO 160 AB 195 9.1 84
Show 21342+4721 BKO 160 AC 12 7.5 84
Show 21423+4616 ES 1275 BC 337 4.3 84
Show 21423+4616 ES 1275 BD 286 6.1 84
Show 21322+4438 ES 1338 42 6.5 85
Show 21350+4723 ES 1173 95 3.8 85
Show 21291+4455 BU 448 -1 2.0 85
Show 21325+4436 POP 136 A,BC 249 23.6 85
Show 21325+4436 POP 136 BC 89 2.0 86
Show 21345+4725 ES 1172 AB 104 6.4 87
Show 21345+4725 ES 1172 AC 205 16.3 87
Show 21345+4725 ABH 146 AD 170 30.6 87
Show 21345+4725 ABH 146 AE 33 32.6 87
Show 21345+4725 ABH 146 AF 58 49.7 87

 
 
WDS 21345+4559 : COMPONENTS
 
 
  A
B pa=256.5°
sep=4.57"
 
 
21345+4559 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 213429.20+455817.9 Mag 11.6 PmRA 8.00
PmDE -30.0
 
 
21345+4559 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213428.77+455816.8 Mag 12.2 PmRA -1.00
PmDE -5.0 Calc delta mag 0.6 Calc coord yes