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Doubles in session


Current system
21091+6626
OCA 4


Nearby doubles
1' : 21091+6623
MLR 68

25' : 21068+6644
TDT2757

27' : 21125+6608
FOX 97

35' : 21140+6606
MLB 221

38' : 21110+6549
HU 960

49' : 21015+6643
HU 959

50' : 21103+6534
TDT2800

58' : 21185+6613
HDS3032

65' : 20584+6611
FOX 96

68' : 21195+6647
TDT2902

70' : 21197+6558
TDT2906

71' : 21158+6721
STF2788

71' : 20589+6548
KPP2312

72' : 21022+6723
KPP4220

73' : 20573+6645
MLB 268

82' : 21208+6704
LDS4880

87' : 21044+6501
SKF2806

90' : 21238+6619
LDS4884

97' : 21194+6514
MLB 222

97' : 21089+6446
STI1017

98' : 21114+6447
STI1018

102' : 21122+6803
KPP4227AB

109' : 20517+6701
MLB 302

110' : 20527+6537
TOI1288AB

115' : 21278+6649
DCH 115

115' : 21016+6810
LI 6AB



Selections
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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.

21091+6626 OCA 4

 
 
21h 08m 58.89s +66° 23' 04.0" P.A. 37.00 sep 0.6 mag 9.50,10.90 Sp G0
 
 
Coord 2000 21091+6626 Discov num OCA   4 Comp Coord arcsec 2000 21 08 58.89 +66 23 04.0
Date first 2004 Date last 2004 Obs 1
Pa first 37 Pa last 37 P.A. Now (θ) 37°
Sep first 0.6 Sep last 0.57 Sep. Now (ρ) 0.57"
Mag pri 9.50 Mag sec 10.90 delta mag (ΔM) 1.4 Spectral class G0 (yellow)
Pri motion ra +044 Sec motion ra
Pri motion dec +025 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Tycho2 4260-00356-1 Gaia DR2 2221730648865571712
 
 
WDS 21091+6626 OCA 4 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Obl1937A Observatoire de la CĂ´te d'Azur
Obl1937A new pairs observed by various teams at Nice Observatory
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21091+6626 OCA 4 2004 1 37 0.6 9.50 10.90 G0 210858.89+662304.0

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

 
 
WDS 21091+6626 OCA 4 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21091+6626 OCA 4 : MEASURES
 
 
No records found.

 
 
WDS 21091+6626 : VIRTUAL EYEPIECE
 
 

21091+6626 OCA 4A mag 9.5 Sp G0 21091+6626 OCA 4B sep 0.5 P.A. 16.80 mag 10.9 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 21091+6626 : ALADIN DSS IMAGE @ 21h 08m 58.89s +66° 23' 04.0"
 
 
 
 
WDS 21091+6626 OCA 4 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21091+6626 OCA 4 distance=0' 21091+6623 MLR 68 distance=1' 21068+6644 TDT2757 distance=25' 21125+6608 FOX 97 distance=27' 21140+6606 MLB 221 distance=35' 21110+6549 HU 960 distance=38' 21015+6643 HU 959 distance=49' 21103+6534 TDT2800 distance=50' 21185+6613 HDS3032 distance=58' 20584+6611 FOX 96 distance=65' 21195+6647 TDT2902 distance=68' 21197+6558 TDT2906 distance=70' 21158+6721 STF2788 distance=71' 20589+6548 KPP2312 distance=71' 21022+6723 KPP4220 distance=72' 20573+6645 MLB 268 distance=73' 21208+6704 LDS4880 distance=82' 21044+6501 SKF2806 distance=87' 21238+6619 LDS4884 distance=90' 21194+6514 MLB 222 distance=97' 21089+6446 STI1017 distance=97' 21114+6447 STI1018 distance=98' 21122+6803 KPP4227AB distance=102' 20517+6701 MLB 302 distance=109' 20527+6537 TOI1288AB distance=110' 20527+6537 TOI1288AC distance=110' 21278+6649 DCH 115 distance=115' 21016+6810 LI 6AB distance=115' 20509+6708 MLB 301 distance=117' 21225+6751 TDT2933 distance=118' 21137+6424 H 1 48 distance=123' 21261+6517 TDT2961 distance=125' 21157+6821 BVD 135 distance=125' 20506+6529 SKF2613 distance=125' 21176+6818 YUN 1AB distance=125' 21176+6818 CON 40CD distance=125' 21236+6456 STF2798 distance=126' 20492+6547 MLB 267 distance=127' 21288+6537 OSO 147AB distance=130' 21288+6537 OSO 147AC distance=130' 21288+6537 OSO 147AD distance=130' 21282+6525 HJ 1656AB distance=132' 21282+6525 HJ 1656AC distance=132' 21282+6525 ABH 145AD distance=132' 21282+6525 ABH 145AE distance=132' 21282+6525 ABH 145AF distance=132' 21282+6525 ABH 145AG distance=132' 21282+6525 ABH 145AH distance=132' 21282+6525 ES 1919AI distance=132' 21290+6744 TDT2986 distance=143' 21231+6414 LDS4882 distance=156' 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 21091+6626 OCA 4 37 0.6
Show 21091+6623 MLR 68 280 0.8 1
Show 21068+6644 TDT2757 248 0.7 25
Show 21125+6608 FOX 97 40 1.6 27
Show 21140+6606 MLB 221 175 3.8 35
Show 21110+6549 HU 960 38 3.5 38
Show 21015+6643 HU 959 164 1.3 49
Show 21103+6534 TDT2800 137 0.6 50
Show 21185+6613 HDS3032 144 0.7 58
Show 20584+6611 FOX 96 123 2.2 65
Show 21195+6647 TDT2902 182 0.9 68
Show 21197+6558 TDT2906 192 0.4 70
Show 21158+6721 STF2788 352 8.1 71
Show 20589+6548 KPP2312 312 19.5 71
Show 21022+6723 KPP4220 302 1.2 72
Show 20573+6645 MLB 268 332 5.8 73
Show 21208+6704 LDS4880 141 226.6 82
Show 21044+6501 SKF2806 284 46.7 87
Show 21238+6619 LDS4884 283 3.9 90
Show 21194+6514 MLB 222 89 1.6 97
Show 21089+6446 STI1017 32 12.0 97
Show 21114+6447 STI1018 317 15.1 98
Show 21122+6803 KPP4227 AB 298 1.9 102
Show 20517+6701 MLB 302 324 4.9 109
Show 20527+6537 TOI1288 AB 313 0.1 110
Show 20527+6537 TOI1288 AC 289 1.1 110
Show 21278+6649 DCH 115 321 0.6 115
Show 21016+6810 LI 6 AB 168 2.5 115
Show 20509+6708 MLB 301 333 4.9 117
Show 21225+6751 TDT2933 157 0.6 118
Show 21137+6424 H 1 48 245 0.8 123
Show 21261+6517 TDT2961 85 4.9 125
Show 21157+6821 BVD 135 310 24.9 125
Show 20506+6529 SKF2613 205 41.4 125
Show 21176+6818 YUN 1 AB 92 9.0 125
Show 21176+6818 CON 40 CD 69 1.0 125
Show 21236+6456 STF2798 143 6.4 126
Show 20492+6547 MLB 267 222 3.4 127
Show 21288+6537 OSO 147 AB 211 23.1 130
Show 21288+6537 OSO 147 AC 287 24.7 130
Show 21288+6537 OSO 147 AD 119 22.3 130
Show 21282+6525 HJ 1656 AB 164 13.5 132
Show 21282+6525 HJ 1656 AC 14 15.1 132
Show 21282+6525 ABH 145 AD 68 98.5 132
Show 21282+6525 ABH 145 AE 96 64.3 132
Show 21282+6525 ABH 145 AF 182 49.5 132
Show 21282+6525 ABH 145 AG 190 55.6 132
Show 21282+6525 ABH 145 AH 247 78.6 132
Show 21282+6525 ES 1919 AI 23 8.2 132
Show 21290+6744 TDT2986 223 0.5 143
Show 21231+6414 LDS4882 160 11.2 156

 
 
WDS 21091+6626 : COMPONENTS
 
 
  A
B pa=16.8°
sep=0.48"
 
 
21091+6626 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210858.89+662304.0 Mag 9.5 Spectral class G0 (yellow)
PmRA 44.00 PmDE 25.0 Tycho2 4260-00356-1
Tycho2
Tycho2 4260-00356-1 Pflag RAmdeg 317.24536809 DEmdeg 66.38444493
PmRA 42.1 PmDE 25.8 E RAmdeg 12 E DEmdeg 13
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.25 EpDEm 1990.06
Num 7 Q RAmdeg 1.8 Q DEmdeg 1.1 Q pmRA 1.6
Q pmDE 1.0 BTmag 10.483 E BTmag 0.033 VTmag 9.339
E VTmag 0.018 Prox 492 TYC T HIP
CCDM RAdeg 317.24512639 DEdeg 66.38438583 EpRA 1990 1.76
EpDE 1990 1.74 E RAdeg 13.4 E DEdeg 13.7 Posflg
Corr 0.0
 
 
21091+6626 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210858.91+662304.5 Mag 10.9 Calc delta mag 1.4
Calc coord yes