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Current system
20489+3449
SEI 1258


Nearby doubles
3' : 20490+3451
SEI1259

14' : 20498+3442
SEI1264

14' : 20489+3503
SEI1257AB

14' : 20479+3456
TDT2545

19' : 20502+3441
SEI1269

19' : 20493+3430
POP 51

24' : 20488+3426
SEI1256

29' : 20466+3452
SEI1246

30' : 20466+3451
SEI1245

30' : 20486+3424
ES 249

32' : 20465+3504
GRV 379

35' : 20472+3422
BU 677AB

38' : 20464+3511
COU1810

41' : 20521+3439
RAO 521

44' : 20499+3531
SEI1266

46' : 20481+3403
LDS1047

48' : 20522+3513
HO 145

48' : 20504+3406
GRV 387

48' : 20501+3534
TDT2567

52' : 20456+3521
TDT2520

54' : 20462+3533
ES 2252AB

59' : 20494+3548
SEI1262

60' : 20471+3545
SEI1247

60' : 20449+3524
SEI1235

61' : 20452+3531
SEI1237

61' : 20462+3358
STT 594AB
Aljanah



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

20489+3449 SEI 1258

 
 
20h 48m 52.27s +34° 49' 24.9" P.A. 351.00 sep 25.1 mag 11.80,13.55
 
 
Coord 2000 20489+3449 Discov num SEI1258 Comp Coord arcsec 2000 20 48 52.27 +34 49 24.9
Date first 1896 Date last 2015 Obs 11
Pa first 351 Pa last 350.6 P.A. Now (θ) 350.6°
Sep first 24.3 Sep last 25.066 Sep. Now (ρ) 25.066"
Mag pri 11.80 Mag sec 13.55 delta mag (ΔM) 1.75 Spectral class
Pri motion ra -001 Sec motion ra -003
Pri motion dec -007 Sec motion dec -003
Notes
rPM=0.632
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1869449219268243072
 
 
WDS 20489+3449 SEI 1258 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
SEI Scheiner, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20489+3449 SEI1258 2006 5 351 25.5 11.87 12.40 D 204852.27+344924.9
20489+3449 SEI1258 2010 7 351 25.0 11.80 13.55 204852.27+344924.9
20489+3449 SEI1258 2015 8 351 25.1 11.80 13.55 204852.27+344924.9

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

 
 
WDS 20489+3449 SEI 1258 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20489+3449 SEI 1258 : MEASURES
 
 
No records found.

 
 
WDS 20489+3449 : VIRTUAL EYEPIECE
 
 

20489+3449 SEI1258A mag 11.8 20489+3449 SEI1258B sep 25.1 P.A. 350.60 mag 13.55 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 20489+3449 : ALADIN DSS IMAGE @ 20h 48m 52.27s +34° 49' 24.9"
 
 
 
 
WDS 20489+3449 SEI 1258 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20489+3449 SEI1258 distance=1' 20490+3451 SEI1259 distance=3' 20498+3442 SEI1264 distance=14' 20489+3503 SEI1257AB distance=14' 20479+3456 TDT2545 distance=14' 20502+3441 SEI1269 distance=19' 20493+3430 POP 51 distance=19' 20488+3426 SEI1256 distance=24' 20466+3452 SEI1246 distance=29' 20466+3451 SEI1245 distance=30' 20486+3424 ES 249 distance=30' 20465+3504 GRV 379 distance=32' 20472+3422 BU 677AB distance=35' 20472+3422 BU 677AC distance=35' 20464+3511 COU1810 distance=38' 20521+3439 RAO 521 distance=41' 20499+3531 SEI1266 distance=44' 20481+3403 LDS1047 distance=46' 20522+3513 HO 145 distance=48' 20504+3406 GRV 387 distance=48' 20501+3534 TDT2567 distance=48' 20456+3521 TDT2520 distance=52' 20462+3533 ES 2252AB distance=54' 20462+3533 LMP 18AB,C distance=54' 20462+3533 LMP 18AB,D distance=54' 20494+3548 SEI1262 distance=59' 20471+3545 SEI1247 distance=60' 20449+3524 SEI1235 distance=60' 20452+3531 SEI1237 distance=61' 20462+3358 CHR 100Aa,Ab (Aljanah) distance=61' 20462+3358 STT 594AB (Aljanah) distance=61' 20462+3358 BU 676AC (Aljanah) distance=61' 20462+3358 LEP 96AD (Aljanah) distance=61' 20451+3529 COU1809 distance=61' 20485+3550 SEI1254 distance=62' 20536+3514 HO 146 distance=63' 20537+3512 SEI1298 distance=64' 20538+3431 TDT2611 distance=64' 20540+3459 SEI1303 distance=64' 20522+3401 TDT2593 distance=64' 20513+3546 TDT2580 distance=64' 20462+3546 SEI1243AB distance=65' 20462+3546 TDT2529Aa,Ab distance=65' 20481+3554 SEI1252 distance=66' 20506+3552 SEI1273 distance=67' 20465+3550 ES 2196 distance=67' 20445+3409 HU 690 distance=68' 20477+3343 NSN 736 distance=68' 20522+3544 HJ 1586 distance=69' 20448+3401 GRV 376 distance=69' 20544+3435 SEI1304 distance=70' 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 20489+3449 SEI1258 351 25.1 1
Show 20490+3451 SEI1259 88 15.5 3
Show 20498+3442 SEI1264 39 7.5 14
Show 20489+3503 SEI1257 AB 215 17.9 14
Show 20479+3456 TDT2545 195 2.5 14
Show 20502+3441 SEI1269 148 7.9 19
Show 20493+3430 POP 51 347 6.6 19
Show 20488+3426 SEI1256 279 26.3 24
Show 20466+3452 SEI1246 58 18.9 29
Show 20466+3451 SEI1245 5 23.1 30
Show 20486+3424 ES 249 26 7.7 30
Show 20465+3504 GRV 379 162 57.1 32
Show 20472+3422 BU 677 AB 120 10.0 35
Show 20472+3422 BU 677 AC 211 16.8 35
Show 20464+3511 COU1810 183 0.2 38
Show 20521+3439 RAO 521 -1 0.2 41
Show 20499+3531 SEI1266 179 10.5 44
Show 20481+3403 LDS1047 7 110.2 46
Show 20522+3513 HO 145 286 16.9 48
Show 20504+3406 GRV 387 254 26.4 48
Show 20501+3534 TDT2567 125 0.4 48
Show 20456+3521 TDT2520 16 0.4 52
Show 20462+3533 ES 2252 AB 294 4.2 54
Show 20462+3533 LMP 18 AB,C 82 26.0 54
Show 20462+3533 LMP 18 AB,D 85 35.5 54
Show 20494+3548 SEI1262 301 6.1 59
Show 20471+3545 SEI1247 78 25.6 60
Show 20449+3524 SEI1235 77 9.4 60
Show 20452+3531 SEI1237 272 26.1 61
Show Aljanah 20462+3358 CHR 100 Aa,Ab 350 0.0 61
Show Aljanah 20462+3358 STT 594 AB 261 79.2 61
Show Aljanah 20462+3358 BU 676 AC 269 79.0 61
Show Aljanah 20462+3358 LEP 96 AD 271 93.4 61
Show 20451+3529 COU1809 102 0.7 61
Show 20485+3550 SEI1254 20 22.3 62
Show 20536+3514 HO 146 46 0.4 63
Show 20537+3512 SEI1298 15 28.2 64
Show 20538+3431 TDT2611 160 2.1 64
Show 20540+3459 SEI1303 139 20.7 64
Show 20522+3401 TDT2593 257 4.5 64
Show 20513+3546 TDT2580 151 0.7 64
Show 20462+3546 SEI1243 AB 203 16.2 65
Show 20462+3546 TDT2529 Aa,Ab 218 0.6 65
Show 20481+3554 SEI1252 115 17.3 66
Show 20506+3552 SEI1273 159 24.1 67
Show 20465+3550 ES 2196 70 5.6 67
Show 20445+3409 HU 690 278 0.5 68
Show 20477+3343 NSN 736 354 45.5 68
Show 20522+3544 HJ 1586 260 16.2 69
Show 20448+3401 GRV 376 179 65.2 69
Show 20544+3435 SEI1304 68 21.0 70

 
 
WDS 20489+3449 : COMPONENTS
 
 
  A
B pa=350.6°
sep=25.07"
 
 
20489+3449 A
 
 
Coord arcsec 2000 204852.27+344924.9 Mag 11.8 PmRA -1.00 PmDE -7.0
CCDM
Ccdm 20489+3449 RComp Comp A Note1
Note2 Discov num DRAs -1.74 DDEs 25.2
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20449N3427A
HIC
 
 
20489+3449 B
 
 
Coord arcsec 2000 204851.94+344949.6 Mag 13.55 PmRA -3.00 PmDE -3.0
Delta magnitude 1.75 Coordinate calculated yes
CCDM
Ccdm 20489+3449 RComp Comp B Note1
Note2 Discov num SEI1258 DRAs -2.07 DDEs 49.9
R dRAs 65 Year 1896 Theta 351 Rho 24.3
Obs 1 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20449N3427B
HIC