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Current system
21075+4515
HJ 1615


Nearby doubles
11' : 21080+4504
SMA 126

16' : 21080+4500
TDT2774

16' : 21071+4459
LDS2489

26' : 21067+4538
TDT2754

26' : 21062+4535
LDS2487

31' : 21061+4448
ROE 45AB

35' : 21073+4440
A 881

39' : 21105+4538
BRT1145

40' : 21046+4541
ES 1168

40' : 21051+4444
SMA 124

40' : 21111+4530
BRT1146

46' : 21079+4430
LDS2490

55' : 21114+4551
COU2435

56' : 21121+4543
BU 160AB

56' : 21102+4603
SMA 131

58' : 21022+4506
LDS2481

59' : 21099+4422
STF2772

59' : 21122+4549
ES 1272

63' : 21028+4551
BU 1138AB

63' : 21137+4453
LDS2498

64' : 21125+4552
ES 1273AB

66' : 21051+4615
BRT1141

67' : 21108+4417
A 882

71' : 21010+4528
ES 1271

73' : 21120+4419
TDT2816

73' : 21118+4417
TDT2812



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.

21075+4515 HJ 1615

 
 
21h 07m 35.29s +45° 14' 23.1" P.A. 277.00 sep 14.4 mag 12.04,11.44
 
 
Coord 2000 21075+4515 Discov num HJ 1615 Comp Coord arcsec 2000 21 07 35.29 +45 14 23.1
Date first 1828 Date last 2015 Obs 10
Pa first 273 Pa last 276.6 P.A. Now (θ) 276.6°
Sep first 6.0 Sep last 14.389 Sep. Now (ρ) 14.389"
Mag pri 12.04 Mag sec 11.44 delta mag (ΔM) 0.6 Spectral class
Pri motion ra +000 Sec motion ra -006
Pri motion dec +004 Sec motion dec -004
Notes
rPM=1.387
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2162535073144565888
 
 
WDS 21075+4515 HJ 1615 : 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
21075+4515 HJ 1615 1983 2 278 14.1 10.30 10.90
21075+4515 HJ 1615 2006 3 277 14.3 10.30 10.90
21075+4515 HJ 1615 2010 7 277 13.8 12.04 11.44 210735.29+451423.1
21075+4515 HJ 1615 2015 8 277 14.4 12.04 11.44 210735.29+451423.1

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

 
 
WDS 21075+4515 HJ 1615 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21075+4515 HJ 1615 : MEASURES
 
 
No records found.

 
 
WDS 21075+4515 : VIRTUAL EYEPIECE
 
 

21075+4515 HJ 1615A mag 12.04 21075+4515 HJ 1615B sep 10.2 P.A. 279.30 mag 11.44 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 21075+4515 : ALADIN DSS IMAGE @ 21h 07m 35.29s +45° 14' 23.1"
 
 
 
 
WDS 21075+4515 HJ 1615 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21075+4515 HJ 1615 distance=0' 21080+4504 SMA 126 distance=11' 21080+4500 TDT2774 distance=16' 21071+4459 LDS2489 distance=16' 21067+4538 TDT2754 distance=26' 21062+4535 LDS2487 distance=26' 21061+4448 ROE 45AB distance=31' 21061+4448 ROE 45AD distance=31' 21061+4448 ROE 45BC distance=32' 21061+4448 ROE 45BF distance=32' 21061+4448 ROE 45DE distance=33' 21061+4448 TDT2745Ca,Cb distance=34' 21061+4448 ROE 45CD distance=34' 21073+4440 A 881 distance=35' 21105+4538 BRT1145 distance=39' 21046+4541 ES 1168 distance=40' 21051+4444 SMA 124 distance=40' 21111+4530 BRT1146 distance=40' 21079+4430 LDS2490 distance=46' 21114+4551 COU2435 distance=55' 21121+4543 ES 9005BD distance=56' 21121+4543 BU 160BC distance=56' 21121+4543 BU 160AB distance=56' 21102+4603 SMA 131 distance=56' 21022+4506 LDS2481 distance=58' 21099+4422 STF2772 distance=59' 21122+4549 ES 1272 distance=59' 21028+4551 BU 1138AB distance=63' 21028+4551 BU 1138AC distance=63' 21137+4453 LDS2498 distance=63' 21125+4552 ES 1273AB distance=64' 21125+4552 ES 1273AC distance=64' 21125+4552 ES 1273CD distance=64' 21028+4551 KUI 104CD distance=65' 21028+4551 FYM 331CF distance=65' 21028+4551 BU 1138CE distance=65' 21028+4551 HLA 30CG distance=65' 21051+4615 BRT1141 distance=66' 21108+4417 A 882 distance=67' 21010+4528 ES 1271 distance=71' 21120+4419 TDT2816 distance=73' 21118+4417 TDT2812 distance=73' 21098+4624 SMA 128 distance=73' 21037+4616 TDT2719 distance=75' 21083+4630 BRT1143 distance=76' 21148+4518 TDT2855 distance=77' 21136+4433 ES 1333 distance=77' 21139+4438 TDT2839 distance=77' 21067+4631 SMA 125AB distance=78' 21067+4631 SMA 125AC distance=78' 21145+4542 COU2436 distance=78' 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 21075+4515 HJ 1615 277 14.4
Show 21080+4504 SMA 126 18 8.9 11
Show 21080+4500 TDT2774 173 1.8 16
Show 21071+4459 LDS2489 255 16.0 16
Show 21067+4538 TDT2754 233 0.5 26
Show 21062+4535 LDS2487 271 5.2 26
Show 21061+4448 ROE 45 AB 286 134.5 31
Show 21061+4448 ROE 45 AD 241 131.8 31
Show 21061+4448 ROE 45 BC 238 123.3 32
Show 21061+4448 ROE 45 BF 312 10.8 32
Show 21061+4448 ROE 45 DE 6 27.5 33
Show 21061+4448 TDT2745 Ca,Cb 116 0.6 34
Show 21061+4448 ROE 45 CD 107 124.4 34
Show 21073+4440 A 881 218 4.3 35
Show 21105+4538 BRT1145 163 3.8 39
Show 21046+4541 ES 1168 118 1.4 40
Show 21051+4444 SMA 124 72 9.2 40
Show 21111+4530 BRT1146 344 2.6 40
Show 21079+4430 LDS2490 190 12.6 46
Show 21114+4551 COU2435 169 1.4 55
Show 21121+4543 ES 9005 BD 84 22.3 56
Show 21121+4543 BU 160 BC 115 6.4 56
Show 21121+4543 BU 160 AB 155 57.1 56
Show 21102+4603 SMA 131 86 8.6 56
Show 21022+4506 LDS2481 16 12.1 58
Show 21099+4422 STF2772 224 12.4 59
Show 21122+4549 ES 1272 53 3.8 59
Show 21028+4551 BU 1138 AB 172 0.1 63
Show 21028+4551 BU 1138 AC 330 152.1 63
Show 21137+4453 LDS2498 316 13.0 63
Show 21125+4552 ES 1273 AB 295 23.1 64
Show 21125+4552 ES 1273 AC 7 37.7 64
Show 21125+4552 ES 1273 CD 69 3.7 64
Show 21028+4551 KUI 104 CD 85 2.7 65
Show 21028+4551 FYM 331 CF 39 11.9 65
Show 21028+4551 BU 1138 CE 249 23.6 65
Show 21028+4551 HLA 30 CG 148 7.3 65
Show 21051+4615 BRT1141 108 5.8 66
Show 21108+4417 A 882 228 2.6 67
Show 21010+4528 ES 1271 26 3.1 71
Show 21120+4419 TDT2816 89 0.3 73
Show 21118+4417 TDT2812 258 0.5 73
Show 21098+4624 SMA 128 170 12.3 73
Show 21037+4616 TDT2719 220 2.0 75
Show 21083+4630 BRT1143 212 2.7 76
Show 21148+4518 TDT2855 1 0.5 77
Show 21136+4433 ES 1333 296 1.6 77
Show 21139+4438 TDT2839 352 1.2 77
Show 21067+4631 SMA 125 AB 87 22.2 78
Show 21067+4631 SMA 125 AC 198 15.0 78
Show 21145+4542 COU2436 266 5.0 78

 
 
WDS 21075+4515 : COMPONENTS
 
 
  A
B pa=279.3°
sep=10.20"
 
 
21075+4515 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210735.29+451423.1 Mag 12.04 PmRA 0.00
PmDE 4.0
 
 
21075+4515 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210734.34+451424.8 Mag 11.44 PmRA -6.00
PmDE -4.0 Calc delta mag 0.6 Calc coord yes