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Doubles in session


Current system
20489+3919
TDT 2558


Nearby doubles
6' : 20490+3925
TDT2560

7' : 20493+3923
SEI1263AB

11' : 20480+3917
A 1434AB

22' : 20498+3900
MLB 983

25' : 20510+3915
SEI1279AB

29' : 20490+3947
STF2731AB

29' : 20478+3944
GRV 381

30' : 20514+3927
TDT2581

34' : 20509+3855
SEI1278

36' : 20519+3911
SEI1283

36' : 20471+3850
HJ 1575

38' : 20515+3944
DAM 317AB

38' : 20457+3917
SEI1241

38' : 20514+3945
MLB 779AB

39' : 20461+3858
CRB 11

41' : 20481+3958
CVR 231

42' : 20498+3958
SEI1267

42' : 20478+3840
SEI1251

43' : 20486+4000
TOB 198

43' : 20476+3839
SEI1249

44' : 20484+4002
SEI1255AB

45' : 20459+3852
COU2294

45' : 20528+3925
SEI1290

47' : 20498+3833
HJ 1582AB

49' : 20449+3908
SEI1236

49' : 20453+3854
SEI1239



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

20489+3919 TDT 2558

 
 
20h 48m 54.30s +39° 18' 56.4" P.A. 191.00 sep 1.1 mag 11.81,12.19
 
 
Coord 2000 20489+3919 Discov num TDT2558 Comp Coord arcsec 2000 20 48 54.30 +39 18 56.4
Date first 1991 Date last 1991 Obs 1
Pa first 191 Pa last 190.7 P.A. Now (θ) 190.7°
Sep first 1.1 Sep last 1.14 Sep. Now (ρ) 1.14"
Mag pri 11.81 Mag sec 12.19 delta mag (ΔM) 0.38 Spectral class
Pri motion ra +020 Sec motion ra +020
Pri motion dec +015 Sec motion dec +015
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3166-00089-1 Gaia DR2 2064933968558619008
 
 
WDS 20489+3919 TDT 2558 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20489+3919 TDT2558 1991 1 191 1.1 11.81 12.19 204854.30+391856.4

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

 
 
WDS 20489+3919 TDT 2558 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20489+3919 TDT 2558 : MEASURES
 
 
No records found.

 
 
WDS 20489+3919 : VIRTUAL EYEPIECE
 
 

20489+3919 TDT2558A mag 11.81 20489+3919 TDT2558B sep 1.1 P.A. 188.30 mag 12.19 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+3919 : ALADIN DSS IMAGE @ 20h 48m 54.30s +39° 18' 56.4"
 
 
 
 
WDS 20489+3919 TDT 2558 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20489+3919 TDT2558 distance=0' 20490+3925 TDT2560 distance=6' 20493+3923 SEI1263AB distance=7' 20493+3923 ALI 952BC distance=7' 20493+3923 DAM 26BD distance=7' 20480+3917 A 1434AB distance=11' 20480+3917 A 1434AB,C distance=11' 20498+3900 MLB 983 distance=22' 20510+3915 SEI1279AB distance=25' 20510+3915 SEI1279BC distance=25' 20490+3947 STF2731AB distance=29' 20490+3947 HO 596AC distance=29' 20490+3947 HO 596AD distance=29' 20478+3944 GRV 381 distance=29' 20514+3927 TDT2581 distance=30' 20509+3855 SEI1278 distance=34' 20519+3911 SEI1283 distance=36' 20471+3850 HJ 1575 distance=36' 20515+3944 DAM 317AB distance=38' 20515+3944 DAM 317AC distance=38' 20457+3917 SEI1241 distance=38' 20514+3945 MLB 779AB distance=38' 20514+3945 DAM 316AC distance=38' 20514+3945 DAM 316AD distance=38' 20461+3858 CRB 11 distance=39' 20481+3958 CVR 231 distance=41' 20498+3958 SEI1267 distance=42' 20478+3840 SEI1251 distance=42' 20486+4000 TOB 198 distance=43' 20476+3839 SEI1249 distance=43' 20484+4002 SEI1255AB distance=44' 20484+4002 J 1237BC distance=44' 20459+3852 COU2294 distance=45' 20528+3925 SEI1290 distance=45' 20498+3833 HJ 1582AB distance=47' 20498+3833 HJ 1582AC distance=47' 20449+3908 SEI1236 distance=49' 20453+3854 SEI1239 distance=49' 20511+3837 SEI1281 distance=50' 20445+3921 HJ 1572 distance=51' 20531+3940 SEI1292 distance=53' 20470+3828 ES 2054 distance=56' 20530+3851 ALI 954 distance=56' 20441+3927 ES 1981 distance=57' 20438+3928 SEI1230 distance=60' 20449+3839 ALI 951 distance=62' 20435+3919 SEI1229 distance=62' 20520+4009 MLB 955 distance=63' 20461+3824 ALI 949 distance=65' 20544+3929 BKO 469 distance=65' 20488+4024 ALI1192 distance=65' 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+3919 TDT2558 191 1.1
Show 20490+3925 TDT2560 38 1.1 6
Show 20493+3923 SEI1263 AB 98 23.6 7
Show 20493+3923 ALI 952 BC 50 4.9 7
Show 20493+3923 DAM 26 BD 53 9.5 7
Show 20480+3917 A 1434 AB 178 0.0 11
Show 20480+3917 A 1434 AB,C 256 2.5 11
Show 20498+3900 MLB 983 191 3.8 22
Show 20510+3915 SEI1279 AB 147 12.9 25
Show 20510+3915 SEI1279 BC 189 7.3 25
Show 20490+3947 STF2731 AB 86 4.1 29
Show 20490+3947 HO 596 AC 178 18.0 29
Show 20490+3947 HO 596 AD 247 18.2 29
Show 20478+3944 GRV 381 340 35.8 29
Show 20514+3927 TDT2581 146 0.8 30
Show 20509+3855 SEI1278 135 25.5 34
Show 20519+3911 SEI1283 1 22.8 36
Show 20471+3850 HJ 1575 51 14.9 36
Show 20515+3944 DAM 317 AB 95 14.8 38
Show 20515+3944 DAM 317 AC 357 15.2 38
Show 20457+3917 SEI1241 309 7.1 38
Show 20514+3945 MLB 779 AB 124 9.0 38
Show 20514+3945 DAM 316 AC 79 6.3 38
Show 20514+3945 DAM 316 AD 304 13.8 38
Show 20461+3858 CRB 11 272 10.8 39
Show 20481+3958 CVR 231 359 9.7 41
Show 20498+3958 SEI1267 308 3.1 42
Show 20478+3840 SEI1251 42 15.2 42
Show 20486+4000 TOB 198 96 21.0 43
Show 20476+3839 SEI1249 69 27.8 43
Show 20484+4002 SEI1255 AB 338 24.4 44
Show 20484+4002 J 1237 BC 355 5.6 44
Show 20459+3852 COU2294 125 0.9 45
Show 20528+3925 SEI1290 222 14.2 45
Show 20498+3833 HJ 1582 AB 45 17.4 47
Show 20498+3833 HJ 1582 AC 327 28.7 47
Show 20449+3908 SEI1236 318 27.4 49
Show 20453+3854 SEI1239 40 26.8 49
Show 20511+3837 SEI1281 102 8.6 50
Show 20445+3921 HJ 1572 280 15.6 51
Show 20531+3940 SEI1292 205 24.8 53
Show 20470+3828 ES 2054 192 2.7 56
Show 20530+3851 ALI 954 61 8.9 56
Show 20441+3927 ES 1981 310 4.5 57
Show 20438+3928 SEI1230 124 25.3 60
Show 20449+3839 ALI 951 49 11.1 62
Show 20435+3919 SEI1229 156 19.6 62
Show 20520+4009 MLB 955 27 6.6 63
Show 20461+3824 ALI 949 313 11.9 65
Show 20544+3929 BKO 469 328 4.7 65
Show 20488+4024 ALI1192 2 16.5 65

 
 
WDS 20489+3919 : COMPONENTS
 
 
  A
B pa=188.3°
sep=1.13"
 
 
20489+3919 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204854.30+391856.4 Mag 11.81 PmRA 20.00
PmDE 15.0 Tycho2 3166-00089-1
Tycho2
Tycho2 3166-00089-1 Pflag RAmdeg 312.22624819 DEmdeg 39.31562152
PmRA 20.0 PmDE 15.2 E RAmdeg 53 E DEmdeg 47
E pmRA 1.5 E pmDE 1.4 EpRAm 1974.26 EpDEm 1976.63
Num 7 Q RAmdeg 1.6 Q DEmdeg 2.1 Q pmRA 1.7
Q pmDE 2.1 BTmag 12.195 E BTmag 0.121 VTmag 11.482
E VTmag 0.089 Prox 999 TYC HIP
CCDM RAdeg 312.22618139 DEdeg 39.31558472 EpRA 1990 1.62
EpDE 1990 1.76 E RAdeg 60.1 E DEdeg 52.2 Posflg
Corr 0.0
 
 
20489+3919 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204854.29+391855.3 Mag 12.19 PmRA 20.00
PmDE 15.0 Calc delta mag 0.38 Calc coord yes