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Current system
21086+3942
ALI 1154


Nearby doubles
21' : 21072+3958
ES 1990AB

25' : 21098+4001
GRV 430AB

27' : 21102+3923
ALI 963

29' : 21105+4000
ALI1155

34' : 21061+4001
COU2224

35' : 21099+4013
COU1968

35' : 21058+3929
A 2691AB

36' : 21112+3925
COU1969

37' : 21110+3919
MLB 891

37' : 21054+3937
CRB 137

39' : 21111+3918
MLB 892

39' : 21094+3905
GUR 1

40' : 21118+3931
ES 1992

41' : 21071+3905
ALI 960

44' : 21120+4000
TDT2817

44' : 21068+4021
ES 1989

45' : 21108+3906
GUR 4

48' : 21073+3857
MLB 889

49' : 21097+3856
COU1967

49' : 21051+3914
ES 1987

51' : 21074+3853
MLB 890

53' : 21071+3852
MLB 888

53' : 21110+3859
GUR 5

54' : 21129+4003
LDS2495

54' : 21042+3924
SEI1389

55' : 21126+3915
MLB 893



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

21086+3942 ALI 1154

 
 
21h 08m 31.92s +39° 42' 18.8" P.A. 251.00 sep 12.5 mag 11.56,11.89
 
 
Coord 2000 21086+3942 Discov num ALI1154 Comp Coord arcsec 2000 21 08 31.92 +39 42 18.8
Date first 1892 Date last 2016 Obs 11
Pa first 252 Pa last 251 P.A. Now (θ) 251°
Sep first 13.3 Sep last 12.53 Sep. Now (ρ) 12.53"
Mag pri 11.56 Mag sec 11.89 delta mag (ΔM) 0.33 Spectral class
Pri motion ra +000 Sec motion ra +008
Pri motion dec +000 Sec motion dec +002
Notes
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3172-00648-1 Gaia DR2 1968361354033054592
 
 
WDS 21086+3942 ALI 1154 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ali1949 Pa - Ali, A. 1949AJ.....54..199A
Ali1949 AJ 54, 199, 1949
Ali1950 Pa - Ali, A. 1950AJ.....55..209A
Ali1950 AJ 55, 208, 1950
Ali1952 Pa - Ali, A. 1952AJ.....57..146A
Ali1952 AJ 57, 146, 1952
Ali1955 Pa - Ali, A. .
Ali1955 Pub. Nizamiah Obs. 13, Pt. 2, 1955
Ali9999 Pa - Ali, A. ...................
Ali9999 +Po Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21086+3942 ALI1154 1998 4 252 12.6 11.56 11.89 D 210831.92+394218.8
21086+3942 ALI1154 2002 5 252 12.5 11.56 11.89 D 210831.92+394218.8
21086+3942 ALI1154 2010 6 251 12.3 11.56 11.89 210831.92+394218.8
21086+3942 ALI1154 2016 7 252 12.5 11.56 11.89 210831.92+394218.8

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

 
 
WDS 21086+3942 ALI 1154 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21086+3942 ALI 1154 : MEASURES
 
 
No records found.

 
 
WDS 21086+3942 : VIRTUAL EYEPIECE
 
 

21086+3942 ALI1154A mag 11.56 21086+3942 ALI1154B sep 10.0 P.A. 245.90 mag 11.89 virtual eyepiece
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Radius:
Components only
 
 
WDS 21086+3942 : ALADIN DSS IMAGE @ 21h 08m 31.92s +39° 42' 18.8"
 
 
 
 
WDS 21086+3942 ALI 1154 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21086+3942 ALI1154 distance=0' 21072+3958 TDT2765Aa,Ab distance=21' 21072+3958 ES 1990AB distance=21' 21098+4001 GRV 430AB distance=25' 21098+4001 GRV 429AC distance=25' 21102+3923 ALI 963 distance=27' 21105+4000 ALI1155 distance=29' 21061+4001 COU2224 distance=34' 21099+4013 COU1968 distance=35' 21058+3929 A 2691AB distance=35' 21058+3929 A 2691AC distance=35' 21058+3929 A 2691CD distance=35' 21112+3925 COU1969 distance=36' 21110+3919 MLB 891 distance=37' 21054+3937 CRB 137 distance=37' 21111+3918 MLB 892 distance=39' 21094+3905 GUR 1 distance=39' 21118+3931 ES 1992 distance=40' 21071+3905 ALI 960 distance=41' 21120+4000 TDT2817 distance=44' 21068+4021 ES 1989 distance=44' 21108+3906 GUR 4 distance=45' 21073+3857 MLB 889 distance=48' 21097+3856 COU1967 distance=49' 21051+3914 ES 1987 distance=49' 21074+3853 MLB 890 distance=51' 21071+3852 MLB 888 distance=53' 21110+3859 GUR 5 distance=53' 21129+4003 LDS2495 distance=54' 21042+3924 SEI1389 distance=54' 21126+3915 MLB 893 distance=55' 21050+4021 COU2135 distance=56' 21105+3851 SEI1429 distance=56' 21112+3855 ES 1991 distance=57' 21047+3908 SEI1393 distance=57' 21109+4034 ES 255 distance=58' 21091+3844 S 779 distance=59' 21069+3845 STF2758AB distance=61' 21069+3845 STF2758AD distance=61' 21069+3845 STF2758AE distance=61' 21069+3845 STF2758AF distance=61' 21069+3845 STF2758AG distance=61' 21069+3845 STF2758AH distance=61' 21069+3845 SMR 1AI distance=61' 21069+3845 STF2758AC distance=61' 21069+3845 HZE 4AJ distance=61' 21069+3845 HZE 4AK distance=61' 21069+3845 SMR 40AO distance=61' 21069+3845 SMR 40AP distance=61' 21069+3845 SMR 40AQ distance=61' 21069+3845 HZE 4BL distance=61' 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 21086+3942 ALI1154 251 12.5
Show 21072+3958 TDT2765 Aa,Ab 149 0.4 21
Show 21072+3958 ES 1990 AB 38 5.8 21
Show 21098+4001 GRV 430 AB 351 47.1 25
Show 21098+4001 GRV 429 AC 168 48.5 25
Show 21102+3923 ALI 963 291 6.9 27
Show 21105+4000 ALI1155 305 13.4 29
Show 21061+4001 COU2224 67 0.4 34
Show 21099+4013 COU1968 104 0.2 35
Show 21058+3929 A 2691 AB 217 2.7 35
Show 21058+3929 A 2691 AC 313 27.4 35
Show 21058+3929 A 2691 CD 275 6.4 35
Show 21112+3925 COU1969 216 0.1 36
Show 21110+3919 MLB 891 253 8.7 37
Show 21054+3937 CRB 137 352 29.3 37
Show 21111+3918 MLB 892 188 4.3 39
Show 21094+3905 GUR 1 150 8.3 39
Show 21118+3931 ES 1992 203 3.1 40
Show 21071+3905 ALI 960 110 12.9 41
Show 21120+4000 TDT2817 335 0.6 44
Show 21068+4021 ES 1989 174 6.0 44
Show 21108+3906 GUR 4 106 5.2 45
Show 21073+3857 MLB 889 5 7.0 48
Show 21097+3856 COU1967 192 0.8 49
Show 21051+3914 ES 1987 354 7.0 49
Show 21074+3853 MLB 890 250 5.3 51
Show 21071+3852 MLB 888 55 4.0 53
Show 21110+3859 GUR 5 2 0.2 53
Show 21129+4003 LDS2495 173 5.0 54
Show 21042+3924 SEI1389 61 18.2 54
Show 21126+3915 MLB 893 149 3.6 55
Show 21050+4021 COU2135 351 0.2 56
Show 21105+3851 SEI1429 351 25.1 56
Show 21112+3855 ES 1991 25 2.6 57
Show 21047+3908 SEI1393 132 25.7 57
Show 21109+4034 ES 255 34 4.6 58
Show 21091+3844 S 779 9 110.5 59
Show 21069+3845 STF2758 AB 154 32.0 61
Show 21069+3845 STF2758 AD 250 748.0 61
Show 21069+3845 STF2758 AE 267 340.8 61
Show 21069+3845 STF2758 AF 240 371.2 61
Show 21069+3845 STF2758 AG 236 260.4 61
Show 21069+3845 STF2758 AH 263 134.0 61
Show 21069+3845 SMR 1 AI 236 49.3 61
Show 21069+3845 STF2758 AC 219 839.8 61
Show 21069+3845 HZE 4 AJ 241 17.5 61
Show 21069+3845 HZE 4 AK 83 7.8 61
Show 21069+3845 SMR 40 AO 275 176.6 61
Show 21069+3845 SMR 40 AP 284 166.5 61
Show 21069+3845 SMR 40 AQ 295 76.1 61
Show 21069+3845 HZE 4 BL 145 9.9 61

 
 
WDS 21086+3942 : COMPONENTS
 
 
  A
B pa=245.9°
sep=9.99"
 
 
21086+3942 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210831.92+394218.8 Mag 11.56 PmRA 0.00
PmDE 0.0 Tycho2 3172-00648-1
Tycho2
Tycho2 3172-00648-1 Pflag RAmdeg 317.13301419 DEmdeg 39.70521708
PmRA 1.7 PmDE 0.6 E RAmdeg 56 E DEmdeg 51
E pmRA 1.8 E pmDE 1.6 EpRAm 1978.64 EpDEm 1979.51
Num 4 Q RAmdeg 1.4 Q DEmdeg 0.5 Q pmRA 1.3
Q pmDE 0.6 BTmag 11.881 E BTmag 0.087 VTmag 11.564
E VTmag 0.107 Prox 127 TYC HIP
CCDM RAdeg 317.13300667 DEdeg 39.70521528 EpRA 1990 1.60
EpDE 1990 1.73 E RAdeg 61.4 E DEdeg 55.4 Posflg
Corr 0.1
 
 
21086+3942 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210831.13+394214.7 Mag 11.89 PmRA 8.00
PmDE 2.0 Tycho2 3172-02080-1 Calc delta mag 0.33 Calc coord yes
Tycho2
Tycho2 3172-02080-1 Pflag RAmdeg 317.12868124 DEmdeg 39.70409891
PmRA 7.5 PmDE 1.1 E RAmdeg 86 E DEmdeg 79
E pmRA 2.5 E pmDE 2.3 EpRAm 1976.16 EpDEm 1975.62
Num 3 Q RAmdeg 0.5 Q DEmdeg 1.2 Q pmRA 0.4
Q pmDE 1.1 BTmag 13.282 E BTmag 0.316 VTmag 11.893
E VTmag 0.157 Prox 127 TYC HIP
CCDM RAdeg 317.12866000 DEdeg 39.70409389 EpRA 1990 1.62
EpDE 1990 1.73 E RAdeg 94.8 E DEdeg 88.2 Posflg
Corr 0.1