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20558+3951
LDS 2469


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

20558+3951 LDS 2469

 
 
20h 55m 45.40s +39° 50' 34.1" P.A. 2.00 sep 3.3 mag 14.90,18.80
 
 
Coord 2000 20558+3951 Discov num LDS2469 Comp Coord arcsec 2000 20 55 45.40 +39 50 34.1
Date first 1954 Date last 2016 Obs 3
Pa first 358 Pa last 2.4 P.A. Now (θ) 2.4°
Sep first 3.0 Sep last 3.275 Sep. Now (ρ) 3.275"
Mag pri 14.90 Mag sec 18.80 delta mag (ΔM) 3.9 Spectral class
Pri motion ra +024 Sec motion ra
Pri motion dec -085 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1872911031646259584
 
 
WDS 20558+3951 LDS 2469 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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 notes coord_arcsec_2000
20558+3951 LDS2469 1954 1 358 3.0 16.50 20.20 X
20558+3951 LDS2469 2015 2 187 2.5 14.90 18.80 205545.40+395034.1
20558+3951 LDS2469 2016 3 2 3.3 14.90 18.80 205545.40+395034.1

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

 
 
WDS 20558+3951 LDS 2469 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20558+3951 LDS 2469 : MEASURES
 
 
No records found.

 
 
WDS 20558+3951 : VIRTUAL EYEPIECE
 
 

20558+3951 LDS2469A mag 14.9 20558+3951 LDS2469B sep 3.3 P.A. 1.80 mag 18.8 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 20558+3951 : ALADIN DSS IMAGE @ 20h 55m 45.40s +39° 50' 34.1"
 
 
 
 
WDS 20558+3951 LDS 2469 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20558+3951 LDS2469 distance=0' 20553+3944 SEI1315 distance=9' 20555+3940 MLB 783 distance=11' 20551+3941 MLB 886 distance=13' 20556+4004 TDT2634 distance=14' 20577+3943 COU2429 distance=18' 20555+3932 BKO 472 distance=20' 20549+3933 BKO 471 distance=21' 20545+3937 BRT2281 distance=21' 20566+3932 SEI1325 distance=21' 20550+3929 SEI1311 distance=24' 20547+3929 GRV 395 distance=24' 20544+3929 BKO 469 distance=27' 20559+3922 MLB 957 distance=29' 20559+3921 MLB 958 distance=30' 20569+3922 SEI1326 distance=32' 20531+3940 SEI1292 distance=33' 20577+3926 SEI1334 distance=34' 20571+3920 BKO 473 distance=34' 20572+3920 BKO 474 distance=35' 20587+3942 BKO 477 distance=35' 20599+4016 HDS2989Da,Db distance=35' 20599+4016 RAO 72DE distance=35' 20552+3915 MLB 782AB distance=37' 20552+3915 SEI1313AC distance=37' 20588+3957 TDT2670 distance=37' 20578+3923 BKO 475 distance=37' 20550+3914 ES 1983 distance=37' 20590+3945 SEI1349 distance=38' 20591+3950 BKO 479 distance=39' 20556+3912 SEI1319 distance=39' 20546+3914 BKO 470BC distance=39' 20546+3914 MLB 780AB distance=39' 20549+3913 MLB 781 distance=39' 20556+3911 MLB 784 distance=39' 20591+3944 BKO 480 distance=39' 20592+3946 BKO 481 distance=40' 20554+3910 ES 1984 distance=40' 20592+3941 SEI1351AB distance=41' 20592+3941 TOB 206AC distance=41' 20555+3909 MLB 887 distance=42' 20589+3931 SEI1348 distance=42' 20580+3918 BKO 476BD distance=42' 20580+3918 ES 1985AB distance=42' 20580+3918 SEI1338AC distance=42' 20591+3932 TOB 205 distance=43' 20528+3925 SEI1290 distance=44' 20587+3922 BKO 478 distance=44' 20554+3907 TDT2629 distance=45' 20596+3953 SEI1358 distance=45' 20558+3905 MLB 956 distance=46' 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 20558+3951 LDS2469 2 3.3
Show 20553+3944 SEI1315 281 29.0 9
Show 20555+3940 MLB 783 288 5.6 11
Show 20551+3941 MLB 886 141 7.0 13
Show 20556+4004 TDT2634 54 1.9 14
Show 20577+3943 COU2429 209 0.8 18
Show 20555+3932 BKO 472 67 5.7 20
Show 20549+3933 BKO 471 171 5.5 21
Show 20545+3937 BRT2281 73 3.6 21
Show 20566+3932 SEI1325 140 27.8 21
Show 20550+3929 SEI1311 247 8.8 24
Show 20547+3929 GRV 395 211 59.7 24
Show 20544+3929 BKO 469 328 4.7 27
Show 20559+3922 MLB 957 134 2.8 29
Show 20559+3921 MLB 958 169 5.3 30
Show 20569+3922 SEI1326 14 26.6 32
Show 20531+3940 SEI1292 205 24.8 33
Show 20577+3926 SEI1334 106 16.9 34
Show 20571+3920 BKO 473 34 5.4 34
Show 20572+3920 BKO 474 24 3.3 35
Show 20587+3942 BKO 477 8 7.6 35
Show 20599+4016 HDS2989 Da,Db 143 0.1 35
Show 20599+4016 RAO 72 DE 118 19.8 35
Show 20552+3915 MLB 782 AB 344 10.3 37
Show 20552+3915 SEI1313 AC 260 26.9 37
Show 20588+3957 TDT2670 6 0.5 37
Show 20578+3923 BKO 475 265 5.5 37
Show 20550+3914 ES 1983 266 6.1 37
Show 20590+3945 SEI1349 160 27.9 38
Show 20591+3950 BKO 479 9 12.4 39
Show 20556+3912 SEI1319 70 32.1 39
Show 20546+3914 BKO 470 BC 280 2.9 39
Show 20546+3914 MLB 780 AB 64 9.6 39
Show 20549+3913 MLB 781 296 8.6 39
Show 20556+3911 MLB 784 25 4.6 39
Show 20591+3944 BKO 480 236 11.1 39
Show 20592+3946 BKO 481 204 11.5 40
Show 20554+3910 ES 1984 115 3.5 40
Show 20592+3941 SEI1351 AB 256 17.5 41
Show 20592+3941 TOB 206 AC 71 38.4 41
Show 20555+3909 MLB 887 246 10.4 42
Show 20589+3931 SEI1348 295 26.4 42
Show 20580+3918 BKO 476 BD 246 6.0 42
Show 20580+3918 ES 1985 AB 276 8.4 42
Show 20580+3918 SEI1338 AC 277 32.7 42
Show 20591+3932 TOB 205 203 14.5 43
Show 20528+3925 SEI1290 222 14.2 44
Show 20587+3922 BKO 478 75 7.9 44
Show 20554+3907 TDT2629 163 2.5 45
Show 20596+3953 SEI1358 273 30.9 45
Show 20558+3905 MLB 956 115 5.0 46

 
 
WDS 20558+3951 : COMPONENTS
 
 
  A
B pa=1.8°
sep=3.27"
 
 
20558+3951 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205545.40+395034.1 Mag 14.9 PmRA 24.00
PmDE -85.0
 
 
20558+3951 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205545.41+395037.4 Mag 18.8 Calc delta mag 3.9
Calc coord yes