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Current system
20476+4347
CHN 28


Nearby doubles
4' : 20473+4345
COU2425

14' : 20470+4335
GRV 380AB

17' : 20461+4353
GRV 378

25' : 20455+4338
A 611

28' : 20461+4410
BRT2275

28' : 20452+4337
ES 1449

32' : 20501+4404
STT 595AB

34' : 20449+4332
ES 1448

34' : 20474+4314
TDT2539

41' : 20472+4427
COU2424

47' : 20506+4421
CHN 29

48' : 20520+4346
STT 416AB

48' : 20512+4415
CHN 31

49' : 20449+4425
ES 1332

49' : 20509+4421
CHN 30AB

52' : 20437+4318
ES 1447

54' : 20517+4317
LDS2461

61' : 20519+4309
GRV 389

63' : 20524+4314
LDS2462

64' : 20429+4311
ES 1446

64' : 20459+4448
ES 2701

65' : 20432+4431
COU2422

66' : 20416+4350
ES 1445

66' : 20535+4328
LDS2465

67' : 20461+4452
ES 30

68' : 20415+4336
BVD 270



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.

20476+4347 CHN 28

 
 
20h 47m 37.46s +43° 47' 24.8" P.A. 57.00 sep 5.0 mag 15.40,20.00
 
 
Coord 2000 20476+4347 Discov num CHN  28 Comp Coord arcsec 2000 20 47 37.46 +43 47 24.8
Date first 1976 Date last 2000 Obs 2
Pa first 45 Pa last 56.9 P.A. Now (θ) 56.9°
Sep first 5.0 Sep last 5.01 Sep. Now (ρ) 5.01"
Mag pri 15.40 Mag sec 20.00 delta mag (ΔM) 4.6 Spectral class
Pri motion ra -002 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2067032661374161408
 
 
WDS 20476+4347 CHN 28 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Chn1979 Ci j Cohen, M. & Kuhi, L.V. 1979ApJS...41..743C
Chn1979 ApJS 41, 743, 1979
Chn1983 Cs - Cohen, M. & Schwartz, R.D. 1983ApJ...265..877C
Chn1983 ApJ 265, 877, 1983
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20476+4347 CHN 28 1976 1 45 5.0 15.40   204737.46+434724.8
20476+4347 CHN 28 2000 2 57 5.0 15.40   204737.46+434724.8

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

 
 
WDS 20476+4347 CHN 28 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20476+4347 CHN 28 : MEASURES
 
 
No records found.

 
 
WDS 20476+4347 : VIRTUAL EYEPIECE
 
 

20476+4347 CHN 28A mag 15.4 20476+4347 CHN 28B sep 4.1 P.A. 47.90 mag 20 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 20476+4347 : ALADIN DSS IMAGE @ 20h 47m 37.46s +43° 47' 24.8"
 
 
 
 
WDS 20476+4347 CHN 28 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20476+4347 CHN 28 distance=0' 20473+4345 COU2425 distance=4' 20470+4335 GRV 380AB distance=14' 20470+4335 GRV 380AC distance=14' 20461+4353 GRV 378 distance=17' 20455+4338 A 611 distance=25' 20461+4410 BRT2275 distance=28' 20452+4337 ES 1449 distance=28' 20501+4404 STT 595AB distance=32' 20501+4404 STG 9AC distance=32' 20501+4404 FYM 92AD distance=32' 20501+4404 FYM 92AE distance=32' 20501+4404 FYM 92AF distance=32' 20449+4332 ES 1448 distance=34' 20474+4314 TDT2539 distance=34' 20472+4427 COU2424 distance=41' 20506+4421 CHN 29 distance=47' 20520+4346 STT 416AB distance=48' 20520+4346 SKF2740BC distance=48' 20512+4415 CHN 31 distance=48' 20449+4425 ES 1332 distance=49' 20509+4421 CHN 30AB distance=49' 20509+4421 CHN 30Aa,Ab distance=49' 20437+4318 ES 1447 distance=52' 20517+4317 LDS2461 distance=54' 20519+4309 GRV 389 distance=61' 20524+4314 LDS2462 distance=63' 20429+4311 ES 1446 distance=64' 20459+4448 ES 2701 distance=64' 20432+4431 COU2422 distance=65' 20416+4350 ES 1445 distance=66' 20535+4328 LDS2465 distance=66' 20461+4452 ES 30 distance=67' 20415+4336 BVD 270 distance=68' 20525+4430 BRT2279 distance=68' 20494+4452 TDS1103 distance=68' 20521+4438 HER 18 distance=70' 20532+4423 LSC 94 distance=71' 20494+4458 GRV 384 distance=74' 20416+4424 COU2541 distance=75' 20530+4258 COU2542 distance=76' 20413+4314 BRT2270 distance=77' 20508+4238 LDS2457 distance=77' 20405+4343 COU2540 distance=78' 20404+4345 GII 99 distance=79' 20407+4321 STF2719 distance=80' 20513+4238 A 614 distance=81' 20511+4459 LDS2459 distance=82' 20433+4456 ES 2699 distance=83' 20472+4225 STT 414AB distance=83' 20472+4225 BOT 4AC distance=83' 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 20476+4347 CHN 28 57 5.0
Show 20473+4345 COU2425 58 0.2 4
Show 20470+4335 GRV 380 AB 16 21.4 14
Show 20470+4335 GRV 380 AC 312 44.6 14
Show 20461+4353 GRV 378 135 35.3 17
Show 20455+4338 A 611 176 0.3 25
Show 20461+4410 BRT2275 10 2.8 28
Show 20452+4337 ES 1449 57 6.7 28
Show 20501+4404 STT 595 AB 48 55.4 32
Show 20501+4404 STG 9 AC 83 102.7 32
Show 20501+4404 FYM 92 AD 242 51.8 32
Show 20501+4404 FYM 92 AE 190 35.2 32
Show 20501+4404 FYM 92 AF 80 46.9 32
Show 20449+4332 ES 1448 142 2.0 34
Show 20474+4314 TDT2539 77 0.5 34
Show 20472+4427 COU2424 255 0.5 41
Show 20506+4421 CHN 29 52 5.3 47
Show 20520+4346 STT 416 AB 117 9.6 48
Show 20520+4346 SKF2740 BC 192 73.4 48
Show 20512+4415 CHN 31 47 6.7 48
Show 20449+4425 ES 1332 325 7.0 49
Show 20509+4421 CHN 30 AB 92 2.7 49
Show 20509+4421 CHN 30 Aa,Ab 108 0.6 49
Show 20437+4318 ES 1447 308 2.4 52
Show 20517+4317 LDS2461 217 32.6 54
Show 20519+4309 GRV 389 190 61.9 61
Show 20524+4314 LDS2462 265 39.5 63
Show 20429+4311 ES 1446 134 4.5 64
Show 20459+4448 ES 2701 81 50.9 64
Show 20432+4431 COU2422 236 1.3 65
Show 20416+4350 ES 1445 180 6.2 66
Show 20535+4328 LDS2465 41 12.1 66
Show 20461+4452 ES 30 57 17.1 67
Show 20415+4336 BVD 270 76 26.0 68
Show 20525+4430 BRT2279 5 4.5 68
Show 20494+4452 TDS1103 200 0.8 68
Show 20521+4438 HER 18 85 60.7 70
Show 20532+4423 LSC 94 183 0.3 71
Show 20494+4458 GRV 384 222 22.1 74
Show 20416+4424 COU2541 25 0.4 75
Show 20530+4258 COU2542 199 0.1 76
Show 20413+4314 BRT2270 207 4.4 77
Show 20508+4238 LDS2457 106 5.1 77
Show 20405+4343 COU2540 117 0.4 78
Show 20404+4345 GII 99 220 3.6 79
Show 20407+4321 STF2719 142 14.2 80
Show 20513+4238 A 614 333 1.5 81
Show 20511+4459 LDS2459 228 43.7 82
Show 20433+4456 ES 2699 296 40.1 83
Show 20472+4225 STT 414 AB 95 9.9 83
Show 20472+4225 BOT 4 AC 16 104.9 83

 
 
WDS 20476+4347 : COMPONENTS
 
 
  A
B pa=47.9°
sep=4.08"
 
 
20476+4347 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204737.46+434724.8 Mag 15.4 PmRA -2.00
PmDE -3.0
 
 
20476+4347 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204737.74+434727.5 Mag 20 Calc delta mag 4.6
Calc coord yes