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Doubles in session


Current system
20564+0422
CVR 877


Nearby doubles
14' : 20559+0435
UC 4332

14' : 20557+0432
STF2735

25' : 20580+0420
UC 4346

37' : 20582+0447
AG 268

39' : 20582+0356
BAR 13AB

41' : 20581+0352
BAL2550

41' : 20591+0418
STF2737AB

43' : 20541+0357
HJ 3005

51' : 20530+0427
TDT2603

59' : 20525+0416
TDT2595

60' : 21002+0406
HEI 820

62' : 20537+0336
BAL2548

68' : 21009+0419
BAL2553

69' : 20543+0321
BAL2039

70' : 20529+0337
BAL2547

71' : 20552+0314
BAL2040

71' : 20551+0314
UC 4324

72' : 20516+0431
KPP1501

73' : 20561+0535
TDT2642

80' : 20526+0517
GCB 75

82' : 20513+0353
GWP3006

85' : 20529+0529
GCB 60

85' : 20527+0527
J 572

86' : 21020+0436
CVR 884

89' : 20528+0311
HLD 43

92' : 20506+0453
BAL2974



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

20564+0422 CVR 877

 
 
20h 56m 21.94s +04° 22' 34.9" P.A. 125.00 sep 26.3 mag 17.70,18.20 Sp M4+M4
 
 
Coord 2000 20564+0422 Discov num CVR 877 Comp Coord arcsec 2000 20 56 21.94 +04 22 34.9
Date first 2000 Date last 2016 Obs 9
Pa first 125 Pa last 125 P.A. Now (θ) 125°
Sep first 26.4 Sep last 26.309 Sep. Now (ρ) 26.309"
Mag pri 17.70 Mag sec 18.20 delta mag (ΔM) 0.5 Spectral class M4+M4 (red/red)
Pri motion ra +052 Sec motion ra +053
Pri motion dec -005 Sec motion dec -007
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.042 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1734607518419358848
 
 
WDS 20564+0422 CVR 877 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Cvr2011 Eu - Chivers, J. 2011JDSO....7..209C
Cvr2011 JDSO 7, 209, 2011
Cvr2014 Es u Chivers, J. 2014JDSO...10...62C
Cvr2014 JDSO 10, 62, 2014
Cvr2014b Es u Chivers, J. 2014JDSO...10..256C
Cvr2014b JDSO 10, 256, 2014
Cvr2014b (Note: Coordinates in main table are of secondary, not primary. Corrected in WDS)
Cvr2014c Eu - Chivers, J. 2014JDSO...10..300C
Cvr2014c JDSO 10, 300, 2014
Cvr2015a Eu u Chivers, J. 2015JDSO...11...42C
Cvr2015a +Es JDSO 11, 42, 2015
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20564+0422 CVR 877 2005 1 125 26.4 17.70 18.20 M4+M4 V R 205623.39+042219.9
20564+0422 CVR 877 2010 3 125 26.4 17.70 18.20 M4+M4 V R 205621.94+042234.9
20564+0422 CVR 877 2015 4 125 26.3 17.70 18.20 M4+M4 V R 205621.94+042234.9
20564+0422 CVR 877 2016 9 125 26.3 17.70 18.20 M4+M4 V R 205621.94+042234.9

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

 
 
WDS 20564+0422 CVR 877 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20564+0422 CVR 877 : MEASURES
 
 
No records found.

 
 
WDS 20564+0422 : VIRTUAL EYEPIECE
 
 

20564+0422 CVR 877A mag 17.7 Sp M4 20564+0422 CVR 877B sep 26.3 P.A. 125.10 mag 18.2 Sp M4 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 20564+0422 : ALADIN DSS IMAGE @ 20h 56m 21.94s +04° 22' 34.9"
 
 
 
 
WDS 20564+0422 CVR 877 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20564+0422 CVR 877 distance=0' 20559+0435 UC 4332 distance=14' 20557+0432 STF2735 distance=14' 20580+0420 UC 4346 distance=25' 20582+0447 AG 268 distance=37' 20582+0356 WSI 39CD distance=39' 20582+0356 BAR 13AB distance=39' 20582+0356 BAR 13AC distance=39' 20582+0356 WSI 39AD distance=39' 20581+0352 BAL2550 distance=41' 20591+0418 STF2737BC distance=41' 20591+0418 STF2737AB distance=41' 20591+0418 STF2737AD distance=41' 20591+0418 STF2737AB,C distance=41' 20541+0357 HJ 3005 distance=43' 20530+0427 TDT2603 distance=51' 20525+0416 TDT2595 distance=59' 21002+0406 HEI 820 distance=60' 20537+0336 BAL2548 distance=62' 21009+0419 BAL2553 distance=68' 20543+0321 BAL2039 distance=69' 20529+0337 BAL2547 distance=70' 20552+0314 BAL2040 distance=71' 20551+0314 UC 4324 distance=71' 20516+0431 KPP1501 distance=72' 20561+0535 TDT2642 distance=73' 20526+0517 GCB 75 distance=80' 20513+0353 GWP3006 distance=82' 20529+0529 GCB 60 distance=85' 20527+0527 J 572 distance=85' 21020+0436 CVR 884 distance=86' 20528+0311 HLD 43 distance=89' 20506+0453 BAL2974 distance=92' 21020+0346 HO 148 distance=93' 20525+0310 GWP3009 distance=93' 20535+0300 HEI 819 distance=93' 20514+0524 TOB 313 distance=97' 20533+0551 UC 4318 distance=100' 20511+0526 GCB 59 distance=101' 21021+0329 CVR 236 distance=102' 21024+0513 A 615 distance=103' 21032+0411 BAL2554 distance=104' 20588+0600 UC 4347 distance=105' 20519+0544 A 613 distance=106' 21017+0310 BAL2042 distance=109' 21014+0542 ELP 47 distance=110' 21009+0257 HJ 3006 distance=111' 20595+0242 HJ 928 distance=112' 21006+0554 GRV 403 distance=113' 20492+0502 HDS2967 distance=114' 20540+0614 TDT2616 distance=117' 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 20564+0422 CVR 877 125 26.3
Show 20559+0435 UC 4332 60 52.9 14
Show 20557+0432 STF2735 282 2.0 14
Show 20580+0420 UC 4346 205 22.4 25
Show 20582+0447 AG 268 287 12.5 37
Show 20582+0356 WSI 39 CD 330 13.6 39
Show 20582+0356 BAR 13 AB 87 1.6 39
Show 20582+0356 BAR 13 AC 249 20.6 39
Show 20582+0356 WSI 39 AD 280 26.4 39
Show 20581+0352 BAL2550 157 3.4 41
Show 20591+0418 STF2737 BC 66 10.6 41
Show 20591+0418 STF2737 AB 125 0.0 41
Show 20591+0418 STF2737 AD 293 69.3 41
Show 20591+0418 STF2737 AB,C 67 10.6 41
Show 20541+0357 HJ 3005 300 30.5 43
Show 20530+0427 TDT2603 281 1.7 51
Show 20525+0416 TDT2595 359 0.7 59
Show 21002+0406 HEI 820 65 2.3 60
Show 20537+0336 BAL2548 258 7.5 62
Show 21009+0419 BAL2553 110 10.6 68
Show 20543+0321 BAL2039 28 14.7 69
Show 20529+0337 BAL2547 220 8.5 70
Show 20552+0314 BAL2040 68 8.4 71
Show 20551+0314 UC 4324 290 9.9 71
Show 20516+0431 KPP1501 50 11.3 72
Show 20561+0535 TDT2642 77 0.6 73
Show 20526+0517 GCB 75 101 3.3 80
Show 20513+0353 GWP3006 117 24.4 82
Show 20529+0529 GCB 60 152 6.5 85
Show 20527+0527 J 572 138 3.4 85
Show 21020+0436 CVR 884 312 11.4 86
Show 20528+0311 HLD 43 9 2.2 89
Show 20506+0453 BAL2974 42 3.7 92
Show 21020+0346 HO 148 201 2.2 93
Show 20525+0310 GWP3009 237 76.6 93
Show 20535+0300 HEI 819 135 0.2 93
Show 20514+0524 TOB 313 130 20.8 97
Show 20533+0551 UC 4318 168 33.0 100
Show 20511+0526 GCB 59 238 10.1 101
Show 21021+0329 CVR 236 279 69.7 102
Show 21024+0513 A 615 129 3.5 103
Show 21032+0411 BAL2554 307 21.3 104
Show 20588+0600 UC 4347 31 40.4 105
Show 20519+0544 A 613 324 0.7 106
Show 21017+0310 BAL2042 128 8.1 109
Show 21014+0542 ELP 47 25 6.3 110
Show 21009+0257 HJ 3006 292 1.8 111
Show 20595+0242 HJ 928 74 16.5 112
Show 21006+0554 GRV 403 116 33.5 113
Show 20492+0502 HDS2967 190 0.4 114
Show 20540+0614 TDT2616 100 0.4 117

 
 
WDS 20564+0422 : COMPONENTS
 
 
  A
B pa=125.1°
sep=26.26"
 
 
20564+0422 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205621.94+042234.9 Mag 17.7 Spectral class M4 (red)
PmRA 52.00 PmDE -5.0
 
 
20564+0422 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205623.38+042219.8 Mag 18.2 Spectral class M4 (red)
PmRA 53.00 PmDE -7.0 Calc delta mag 0.5 Calc coord yes