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Doubles in session


Current system
20574+4443
LDS 2473


Nearby doubles
6' : 20579+4442
COU2649

7' : 20574+4451
LDS2472

9' : 20567+4439
BRT2283

9' : 20565+4447
TOB 203

11' : 20563+4447
ES 675AB

13' : 20565+4452
LDS2470

15' : 20566+4455
TRN 30

17' : 20558+4448
ES 674

18' : 20578+4425
LDS2474

19' : 20583+4428
RBR 50

21' : 20556+4453
COU2648

27' : 20549+4451
LDS2466

28' : 20596+4432
LDS2477

37' : 20541+4507
STT 422

37' : 20538+4443
LDS5914

42' : 20542+4508
LDS5915

48' : 20578+4530
ES 676

48' : 20532+4423
LSC 94

49' : 20579+4532
ES 677

51' : 20599+4525
HEI 15

54' : 20525+4430
BRT2279

56' : 20535+4523
HDS2975

57' : 20521+4438
HER 18

58' : 21022+4506
LDS2481

59' : 21018+4411
HO 600

60' : 21010+4528
ES 1271



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

20574+4443 LDS 2473

 
 
20h 57m 17.00s +44° 43' 38.0" P.A. 119.00 sep 15.7 mag 15.50,15.80
 
 
Coord 2000 20574+4443 Discov num LDS2473 Comp Coord arcsec 2000 20 57 17.00 +44 43 38.0
Date first 1954 Date last 2016 Obs 10
Pa first 119 Pa last 118.9 P.A. Now (θ) 118.9°
Sep first 5.0 Sep last 15.653 Sep. Now (ρ) 15.653"
Mag pri 15.50 Mag sec 15.80 delta mag (ΔM) 0.3 Spectral class
Pri motion ra +063 Sec motion ra +062
Pri motion dec +001 Sec motion dec -005
Notes
rPM=0.097 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2163023325027234944
 
 
WDS 20574+4443 LDS 2473 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
LDS Luyten p.m. catalog (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20574+4443 LDS2473 1954 1 119 5.0 15.50 15.80 X
20574+4443 LDS2473 2000 2 119 15.7 15.50 15.80 205717.00+444338.0
20574+4443 LDS2473 2003 4 119 15.7 15.50 15.80 205717.00+444338.0
20574+4443 LDS2473 2010 5 119 15.6 15.50 15.80 205717.00+444338.0
20574+4443 LDS2473 2014 8 119 15.7 15.50 15.80 205717.00+444338.0
20574+4443 LDS2473 2015 9 119 15.7 15.50 15.80 205717.00+444338.0
20574+4443 LDS2473 2016 10 119 15.7 15.50 15.80 205717.00+444338.0

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

 
 
WDS 20574+4443 LDS 2473 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20574+4443 LDS 2473 : MEASURES
 
 
No records found.

 
 
WDS 20574+4443 : VIRTUAL EYEPIECE
 
 

20574+4443 LDS2473A mag 15.5 20574+4443 LDS2473B sep 15.7 P.A. 118.90 mag 15.8 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 20574+4443 : ALADIN DSS IMAGE @ 20h 57m 17.00s +44° 43' 38.0"
 
 
 
 
WDS 20574+4443 LDS 2473 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20574+4443 LDS2473 distance=0' 20579+4442 COU2649 distance=6' 20574+4451 LDS2472 distance=7' 20567+4439 BRT2283 distance=9' 20565+4447 TOB 203 distance=9' 20563+4447 ES 675AB distance=11' 20563+4447 ES 675BC distance=13' 20565+4452 LDS2470 distance=13' 20566+4455 TRN 30 distance=15' 20558+4448 ES 674 distance=17' 20578+4425 LDS2474 distance=18' 20583+4428 RBR 50 distance=19' 20556+4453 COU2648 distance=21' 20549+4451 LDS2466 distance=27' 20596+4432 LDS2477 distance=28' 20541+4507 STT 422 distance=37' 20538+4443 LDS5914 distance=37' 20542+4508 LDS5915 distance=42' 20578+4530 ES 676 distance=48' 20532+4423 LSC 94 distance=48' 20579+4532 ES 677 distance=49' 20599+4525 HEI 15 distance=51' 20525+4430 BRT2279 distance=54' 20535+4523 HDS2975 distance=56' 20521+4438 HER 18 distance=57' 21022+4506 LDS2481 distance=58' 21018+4411 HO 600 distance=59' 21010+4528 ES 1271 distance=60' 20559+4345 COU2543 distance=61' 20595+4339 LDS2478 distance=66' 20511+4459 LDS2459 distance=68' 20568+4335 BRT1957 distance=69' 20512+4415 CHN 31 distance=71' 20565+4333 BRT1139 distance=71' 20509+4421 CHN 30AB distance=72' 20509+4421 CHN 30Aa,Ab distance=72' 20514+4519 ARG 40 distance=73' 20506+4421 CHN 29 distance=75' 20590+4330 LDS2476 distance=76' 20504+4518 SMA 121 distance=77' 20519+4537 SMA 122 distance=79' 20584+4326 ES 1451 distance=79' 20527+4547 TDT2597 distance=80' 20520+4346 SKF2740BC distance=82' 20520+4346 STT 416AB distance=82' 20528+4551 COU2647 distance=83' 20553+4322 LDS2468 distance=84' 20494+4452 TDS1103 distance=84' 21051+4444 SMA 124 distance=85' 20504+4525 LDS5912 distance=85' 20494+4458 GRV 384 distance=85' 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 20574+4443 LDS2473 119 15.7 0
Show 20579+4442 COU2649 142 0.6 6
Show 20574+4451 LDS2472 254 1.7 7
Show 20567+4439 BRT2283 339 6.0 9
Show 20565+4447 TOB 203 329 15.8 9
Show 20563+4447 ES 675 AB 272 97.4 11
Show 20563+4447 ES 675 BC 108 3.7 13
Show 20565+4452 LDS2470 306 13.5 13
Show 20566+4455 TRN 30 30 3.8 15
Show 20558+4448 ES 674 94 5.6 17
Show 20578+4425 LDS2474 235 14.5 18
Show 20583+4428 RBR 50 76 0.4 19
Show 20556+4453 COU2648 20 1.3 21
Show 20549+4451 LDS2466 287 4.8 27
Show 20596+4432 LDS2477 285 8.0 28
Show 20541+4507 STT 422 332 2.6 37
Show 20538+4443 LDS5914 124 6.2 37
Show 20542+4508 LDS5915 43 18.0 42
Show 20578+4530 ES 676 293 7.6 48
Show 20532+4423 LSC 94 183 0.3 48
Show 20579+4532 ES 677 160 5.8 49
Show 20599+4525 HEI 15 321 0.9 51
Show 20525+4430 BRT2279 5 4.5 54
Show 20535+4523 HDS2975 191 0.2 56
Show 20521+4438 HER 18 85 60.7 57
Show 21022+4506 LDS2481 16 12.1 58
Show 21018+4411 HO 600 98 2.1 59
Show 21010+4528 ES 1271 26 3.1 60
Show 20559+4345 COU2543 222 1.6 61
Show 20595+4339 LDS2478 125 2.2 66
Show 20511+4459 LDS2459 228 43.7 68
Show 20568+4335 BRT1957 177 1.1 69
Show 20512+4415 CHN 31 47 6.7 71
Show 20565+4333 BRT1139 175 3.6 71
Show 20509+4421 CHN 30 AB 92 2.7 72
Show 20509+4421 CHN 30 Aa,Ab 108 0.6 72
Show 20514+4519 ARG 40 250 9.2 73
Show 20506+4421 CHN 29 52 5.3 75
Show 20590+4330 LDS2476 65 3.0 76
Show 20504+4518 SMA 121 32 11.6 77
Show 20519+4537 SMA 122 262 7.4 79
Show 20584+4326 ES 1451 101 8.6 79
Show 20527+4547 TDT2597 327 1.3 80
Show 20520+4346 SKF2740 BC 192 73.4 82
Show 20520+4346 STT 416 AB 117 9.6 82
Show 20528+4551 COU2647 225 0.4 83
Show 20553+4322 LDS2468 107 60.0 84
Show 20494+4452 TDS1103 30 0.4 84
Show 21051+4444 SMA 124 72 9.2 85
Show 20504+4525 LDS5912 252 17.4 85
Show 20494+4458 GRV 384 222 22.1 85

 
 
WDS 20574+4443 : COMPONENTS
 
 
  A
B pa=118.9°
sep=15.65"
 
 
20574+4443 A
 
 
Coord arcsec 2000 205717.00+444338.0 Mag 15.5 PmRA 63.00 PmDE 1.0
 
 
20574+4443 B
 
 
Coord arcsec 2000 205718.29+444330.4 Mag 15.8 PmRA 62.00 PmDE -5.0
Delta magnitude 0.3 Coordinate calculated yes