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Current system
20538+5739
OSW 76


Nearby doubles
6' : 20562+5742
HJ 1595

29' : 20540+5711
ES 135AB

33' : 20500+5751
CVR 232

36' : 20495+5728
MLB 86

50' : 20567+5656
A 755

50' : 20553+5651
A 752

55' : 20599+5714
ES 136

57' : 20483+5815
MLR 360

63' : 21005+5709
STI2557

68' : 20454+5735
ENG 76AB

71' : 20470+5825
HDS2961

75' : 21019+5704
BU 1139

75' : 20493+5845
STTA211

76' : 20567+5618
ROE 89

77' : 20577+5849
A 756AB

89' : 20559+5906
A 754

91' : 21021+5640
STF2751

94' : 20423+5723
BU 152

99' : 20416+5730
LDS1476AB

100' : 20537+5918
A 751

102' : 21047+5831
HDS3002

102' : 20509+5918
MLR 240

107' : 20472+5607
KR 52

109' : 20454+5906
ES 2700

110' : 20412+5659
HJ 1570AB

111' : 20444+5902
KR 51



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20538+5739 OSW 76

 
 
20h 53m 45.01s +57° 39' 01.4" P.A. 326.00 sep 145.5 mag 15.80,16.30 Sp K3+K5
 
 
Coord 2000 20538+5739 Discov num OSW  76 Comp Coord arcsec 2000 20 53 45.01 +57 39 01.4
Date first 1952 Date last 2015 Obs 10
Pa first 326 Pa last 325.8 P.A. Now (θ) 325.8°
Sep first 145.5 Sep last 145.489 Sep. Now (ρ) 145.489"
Mag pri 15.80 Mag sec 16.30 delta mag (ΔM) 0.5 Spectral class K3+K5 (yellow-orange/yellow-orange)
Pri motion ra -003 Sec motion ra -004
Pri motion dec +000 Sec motion dec +001
Notes V (Proper motion indicates physical)
rPM=0.343
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Gaia DR2 2190119895728955136
 
 
WDS 20538+5739 OSW 76 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Osw1988 - Oswalt, T.D., Hintzen, P.M., & Luyten, W.J. 1988ApJS...66..391O
Osw1988 ApJS 66, 391, 1988
Osw2011 C - Zhao, J.K., Oswalt, T.D., Rudkin, M., Zhao, G. & Chen, Y.Q. 2011AJ....141..107Z
Osw2011 +Es AJ 141, 107, 2011
Osw2012 Es j Zhao, J.K., Oswalt, T.D. & Zhao, G. 2012AJ....143...31Z
Osw2012 AJ 143, 31, 2012
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20538+5739 OSW 76 1999 3 326 145.5 15.80 16.30 K3+K5 V 205345.01+573901.4
20538+5739 OSW 76 2003 4 326 145.4 15.80 16.30 K3+K5 V 205345.01+573901.4
20538+5739 OSW 76 2010 5 326 145.5 15.80 16.30 K3+K5 V 205345.01+573901.4
20538+5739 OSW 76 2015 6 326 145.5 15.80 16.30 K3+K5 V 205345.01+573901.4

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

 
 
WDS 20538+5739 OSW 76 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20538+5739 OSW 76 : MEASURES
 
 
No records found.

 
 
WDS 20538+5739 : VIRTUAL EYEPIECE
 
 

20538+5739 OSW 76A mag 15.8 Sp K3 20538+5739 OSW 76B sep 128.0 P.A. 340.00 mag 16.3 Sp K5 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 20538+5739 : ALADIN DSS IMAGE @ 20h 53m 45.01s +57° 39' 01.4"
 
 
 
 
WDS 20538+5739 OSW 76 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20538+5739 OSW 76 distance=0' 20562+5742 HJ 1595 distance=6' 20540+5711 ES 135AB distance=29' 20540+5711 ES 135AC distance=29' 20500+5751 CVR 232 distance=33' 20495+5728 MLB 86 distance=36' 20567+5656 A 755 distance=50' 20553+5651 A 752 distance=50' 20599+5714 ES 136 distance=55' 20483+5815 MLR 360 distance=57' 21005+5709 STI2557 distance=63' 20454+5735 CIA 1Aa,Ab distance=68' 20454+5735 ENG 76AB distance=68' 20470+5825 HDS2961 distance=71' 21019+5704 BU 1139 distance=75' 20493+5845 STTA211 distance=75' 20577+5849 YSC 117Da,Db distance=76' 20567+5618 ROE 89 distance=76' 20577+5849 A 756AB distance=77' 20577+5849 A 756AC distance=77' 20577+5849 ARN 34AD distance=77' 20559+5906 A 754 distance=89' 21021+5640 STF2751 distance=91' 20423+5723 BU 152 distance=94' 20416+5730 LDS1476AB distance=99' 20416+5730 OSO 130AC distance=99' 20537+5918 A 751 distance=100' 21047+5831 HDS3002 distance=102' 20509+5918 MLR 240 distance=102' 20472+5607 KR 52 distance=107' 20454+5906 ES 2700 distance=109' 20412+5659 HJ 1570AB distance=110' 20412+5659 VBS 32AC distance=110' 20444+5902 KR 51 distance=111' 20475+5553 HJ 1580 distance=118' 20443+5610 A 1684 distance=118' 21010+5923 MLR 242 distance=120' 21045+5904 MLB1090 distance=120' 20503+5937 MLR 239 distance=122' 21024+5920 STI1011 distance=122' 20400+5647 OSW 78 distance=124' 21009+5929 MLR 241 distance=124' 21062+5628 TDT2747 distance=125' 21009+5931 ES 2703 distance=126' 20389+5820 TDT2449 distance=126' 20563+5943 LDS2794 distance=126' 20585+5539 A 1686 distance=127' 21035+5922 MRI 37 distance=128' 20398+5844 MLB 85 distance=128' 20424+5611 VKI 47 distance=129' 20406+5858 HJ 1569 distance=131' 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 20538+5739 OSW 76 326 145.5
Show 20562+5742 HJ 1595 313 11.6 6
Show 20540+5711 ES 135 AB 199 7.1 29
Show 20540+5711 ES 135 AC 115 71.7 29
Show 20500+5751 CVR 232 319 112.1 33
Show 20495+5728 MLB 86 149 4.6 36
Show 20567+5656 A 755 189 0.1 50
Show 20553+5651 A 752 8 1.2 50
Show 20599+5714 ES 136 159 4.2 55
Show 20483+5815 MLR 360 295 0.2 57
Show 21005+5709 STI2557 131 8.1 63
Show 20454+5735 CIA 1 Aa,Ab 105 0.1 68
Show 20454+5735 ENG 76 AB 146 48.4 68
Show 20470+5825 HDS2961 39 0.1 71
Show 21019+5704 BU 1139 136 2.1 75
Show 20493+5845 STTA211 268 94.9 75
Show 20577+5849 YSC 117 Da,Db 341 0.1 76
Show 20567+5618 ROE 89 241 5.5 76
Show 20577+5849 A 756 AB 210 0.6 77
Show 20577+5849 A 756 AC 197 54.0 77
Show 20577+5849 ARN 34 AD 265 215.4 77
Show 20559+5906 A 754 6 1.0 89
Show 21021+5640 STF2751 356 1.6 91
Show 20423+5723 BU 152 82 1.2 94
Show 20416+5730 LDS1476 AB 267 11.6 99
Show 20416+5730 OSO 130 AC 233 23.6 99
Show 20537+5918 A 751 52 0.2 100
Show 21047+5831 HDS3002 327 0.2 102
Show 20509+5918 MLR 240 22 0.2 102
Show 20472+5607 KR 52 64 4.6 107
Show 20454+5906 ES 2700 297 15.5 109
Show 20412+5659 HJ 1570 AB 79 14.0 110
Show 20412+5659 VBS 32 AC 345 15.4 110
Show 20444+5902 KR 51 181 1.4 111
Show 20475+5553 HJ 1580 245 10.9 118
Show 20443+5610 A 1684 141 2.1 118
Show 21010+5923 MLR 242 287 3.9 120
Show 21045+5904 MLB1090 34 9.5 120
Show 20503+5937 MLR 239 286 0.9 122
Show 21024+5920 STI1011 34 15.2 122
Show 20400+5647 OSW 78 233 186.1 124
Show 21009+5929 MLR 241 174 0.9 124
Show 21062+5628 TDT2747 26 0.4 125
Show 21009+5931 ES 2703 230 10.2 126
Show 20389+5820 TDT2449 91 0.7 126
Show 20563+5943 LDS2794 120 85.6 126
Show 20585+5539 A 1686 282 1.9 127
Show 21035+5922 MRI 37 175 6.0 128
Show 20398+5844 MLB 85 134 6.2 128
Show 20424+5611 VKI 47 340 2.3 129
Show 20406+5858 HJ 1569 306 3.9 131

 
 
WDS 20538+5739 : COMPONENTS
 
 
  A
B pa=340.0°
sep=128.03"
 
 
20538+5739 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205345.01+573901.4 Mag 15.8 Spectral class K3 (yellow-orange)
PmRA -3.00 PmDE 0.0
 
 
20538+5739 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205339.56+574101.7 Mag 16.3 Spectral class K5 (yellow-orange)
PmRA -4.00 PmDE 1.0 Calc delta mag 0.5 Calc coord yes