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Doubles in session


Current system
21105+4000
ALI 1155


Nearby doubles
8' : 21098+4001
GRV 430AB

15' : 21099+4013
COU1968

18' : 21120+4000
TDT2817

28' : 21129+4003
LDS2495

29' : 21086+3942
ALI1154

34' : 21109+4034
ES 255

34' : 21118+3931
ES 1992

36' : 21072+3958
ES 1990AB

37' : 21112+3925
COU1969

37' : 21102+3923
ALI 963

42' : 21110+3919
MLB 891

44' : 21111+3918
MLB 892

44' : 21129+4033
ES 256

47' : 21068+4021
ES 1989

49' : 21146+3947
LDS2500

50' : 21061+4001
COU2224

52' : 21126+3915
MLB 893

55' : 21108+3906
GUR 4

57' : 21094+3905
GUR 1

58' : 21139+4042
TDT2840

59' : 21153+4017
A 1440

59' : 21145+4036
COU2227

61' : 21128+3907
SEI1447

61' : 21082+4055
AG 414

62' : 21110+3859
GUR 5

63' : 21058+3929
A 2691AB



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

21105+4000 ALI 1155

 
 
21h 10m 26.90s +40° 00' 14.2" P.A. 305.00 sep 13.4 mag 11.72,12.23
 
 
Coord 2000 21105+4000 Discov num ALI1155 Comp Coord arcsec 2000 21 10 26.90 +40 00 14.2
Date first 1928 Date last 2015 Obs 8
Pa first 298 Pa last 304.7 P.A. Now (θ) 304.7°
Sep first 13.8 Sep last 13.409 Sep. Now (ρ) 13.409"
Mag pri 11.72 Mag sec 12.23 delta mag (ΔM) 0.51 Spectral class
Pri motion ra -017 Sec motion ra -002
Pri motion dec -018 Sec motion dec +001
Notes
rPM=0.978
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3173-02387-1 Gaia DR2 1968204811052521344
 
 
WDS 21105+4000 ALI 1155 : 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Ali9999 +Po Unpublished, manuscript or reference not found.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
21105+4000 ALI1155 1998 3 304 13.5 11.72 12.23 D 211026.90+400014.2
21105+4000 ALI1155 2002 4 304 13.4 11.72 12.23 D 211026.90+400014.2
21105+4000 ALI1155 2010 5 304 12.1 11.72 12.23 211026.90+400014.2
21105+4000 ALI1155 2015 5 305 13.4 11.72 12.23 211026.90+400014.2

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

 
 
WDS 21105+4000 ALI 1155 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21105+4000 ALI 1155 : MEASURES
 
 
No records found.

 
 
WDS 21105+4000 : VIRTUAL EYEPIECE
 
 

21105+4000 ALI1155A mag 11.72 21105+4000 ALI1155B sep 11.4 P.A. 312.10 mag 12.23 virtual eyepiece
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Radius:
Components only
 
 
WDS 21105+4000 : ALADIN DSS IMAGE @ 21h 10m 26.90s +40° 00' 14.2"
 
 
 
 
WDS 21105+4000 ALI 1155 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21105+4000 ALI1155 distance=0' 21098+4001 GRV 430AB distance=8' 21098+4001 GRV 429AC distance=8' 21099+4013 COU1968 distance=15' 21120+4000 TDT2817 distance=18' 21129+4003 LDS2495 distance=28' 21086+3942 ALI1154 distance=29' 21109+4034 ES 255 distance=34' 21118+3931 ES 1992 distance=34' 21072+3958 TDT2765Aa,Ab distance=36' 21072+3958 ES 1990AB distance=36' 21112+3925 COU1969 distance=37' 21102+3923 ALI 963 distance=37' 21110+3919 MLB 891 distance=42' 21111+3918 MLB 892 distance=44' 21129+4033 ES 256 distance=44' 21068+4021 ES 1989 distance=47' 21146+3947 LDS2500 distance=49' 21061+4001 COU2224 distance=50' 21126+3915 MLB 893 distance=52' 21108+3906 GUR 4 distance=55' 21094+3905 GUR 1 distance=57' 21139+4042 TDT2840 distance=58' 21153+4017 A 1440 distance=59' 21145+4036 COU2227 distance=59' 21128+3907 SEI1447 distance=61' 21128+3907 GUR 13Aa,Ab distance=61' 21082+4055 AG 414 distance=61' 21110+3859 GUR 5 distance=62' 21058+3929 A 2691AB distance=63' 21058+3929 A 2691AC distance=63' 21058+3929 A 2691CD distance=63' 21054+3937 CRB 137 distance=63' 21132+3904 TDT2833AB distance=65' 21132+3904 GUR 16AC distance=65' 21097+3856 COU1967 distance=65' 21140+4051 KPP1300 distance=66' 21112+3855 ES 1991 distance=66' 21050+4021 COU2135 distance=66' 21071+3905 ALI 960 distance=68' 21105+3851 SEI1429 distance=70' 21130+3858 ES 257 distance=70' 21165+3959 SEI1484 distance=70' 21073+3857 MLB 889 distance=73' 21130+3854 GUR 15 distance=73' 21168+4019 TOB 219 distance=75' 21115+4115 STT 431BC distance=76' 21115+4115 STT 431AB distance=76' 21115+4115 STT 431AC distance=76' 21154+3912 MLB 894 distance=76' 21169+4009 COU1972 distance=76' 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 21105+4000 ALI1155 305 13.4
Show 21098+4001 GRV 430 AB 351 47.1 8
Show 21098+4001 GRV 429 AC 168 48.5 8
Show 21099+4013 COU1968 104 0.2 15
Show 21120+4000 TDT2817 335 0.6 18
Show 21129+4003 LDS2495 173 5.0 28
Show 21086+3942 ALI1154 251 12.5 29
Show 21109+4034 ES 255 34 4.6 34
Show 21118+3931 ES 1992 203 3.1 34
Show 21072+3958 TDT2765 Aa,Ab 149 0.4 36
Show 21072+3958 ES 1990 AB 38 5.8 36
Show 21112+3925 COU1969 216 0.1 37
Show 21102+3923 ALI 963 291 6.9 37
Show 21110+3919 MLB 891 253 8.7 42
Show 21111+3918 MLB 892 188 4.3 44
Show 21129+4033 ES 256 281 4.5 44
Show 21068+4021 ES 1989 174 6.0 47
Show 21146+3947 LDS2500 355 14.5 49
Show 21061+4001 COU2224 67 0.4 50
Show 21126+3915 MLB 893 149 3.6 52
Show 21108+3906 GUR 4 106 5.2 55
Show 21094+3905 GUR 1 150 8.3 57
Show 21139+4042 TDT2840 235 0.7 58
Show 21153+4017 A 1440 213 1.2 59
Show 21145+4036 COU2227 193 1.2 59
Show 21128+3907 SEI1447 151 13.3 61
Show 21128+3907 GUR 13 Aa,Ab 44 0.5 61
Show 21082+4055 AG 414 108 5.3 61
Show 21110+3859 GUR 5 2 0.2 62
Show 21058+3929 A 2691 AB 217 2.7 63
Show 21058+3929 A 2691 AC 313 27.4 63
Show 21058+3929 A 2691 CD 275 6.4 63
Show 21054+3937 CRB 137 352 29.3 63
Show 21132+3904 TDT2833 AB 88 0.6 65
Show 21132+3904 GUR 16 AC 285 11.8 65
Show 21097+3856 COU1967 192 0.8 65
Show 21140+4051 KPP1300 32 9.9 66
Show 21112+3855 ES 1991 25 2.6 66
Show 21050+4021 COU2135 351 0.2 66
Show 21071+3905 ALI 960 110 12.9 68
Show 21105+3851 SEI1429 351 25.1 70
Show 21130+3858 ES 257 317 6.6 70
Show 21165+3959 SEI1484 7 4.2 70
Show 21073+3857 MLB 889 5 7.0 73
Show 21130+3854 GUR 15 64 4.8 73
Show 21168+4019 TOB 219 212 35.0 75
Show 21115+4115 STT 431 BC 354 57.1 76
Show 21115+4115 STT 431 AB 127 2.6 76
Show 21115+4115 STT 431 AC 356 55.4 76
Show 21154+3912 MLB 894 200 3.1 76
Show 21169+4009 COU1972 145 0.2 76

 
 
WDS 21105+4000 : COMPONENTS
 
 
  A
B pa=312.1°
sep=11.38"
 
 
21105+4000 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211026.90+400014.2 Mag 11.72 PmRA -17.00
PmDE -18.0 Tycho2 3173-02387-1
Tycho2
Tycho2 3173-02387-1 Pflag RAmdeg 317.61208164 DEmdeg 40.00395590
PmRA -20.8 PmDE -20.5 E RAmdeg 96 E DEmdeg 84
E pmRA 6.0 E pmDE 5.4 EpRAm 1987.23 EpDEm 1987.52
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 13.978 E BTmag 0.405 VTmag 11.724
E VTmag 0.129 Prox 134 TYC HIP
CCDM RAdeg 317.61214444 DEdeg 40.00400306 EpRA 1990 1.64
EpDE 1990 1.72 E RAdeg 100.1 E DEdeg 87.4 Posflg
Corr 0.0
 
 
21105+4000 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211026.17+400021.8 Mag 12.23 PmRA -2.00
PmDE 1.0 Tycho2 3173-03057-1 Calc delta mag 0.51 Calc coord yes
Tycho2
Tycho2 3173-03057-1 Pflag RAmdeg 317.60809898 DEmdeg 40.00605384
PmRA -0.5 PmDE -3.0 E RAmdeg 106 E DEmdeg 92
E pmRA 2.8 E pmDE 2.5 EpRAm 1968.91 EpDEm 1971.38
Num 3 Q RAmdeg 0.4 Q DEmdeg 0.0 Q pmRA 0.4
Q pmDE 0.0 BTmag 13.067 E BTmag 0.261 VTmag 12.225
E VTmag 0.177 Prox 134 TYC HIP
CCDM RAdeg 317.60809806 DEdeg 40.00606056 EpRA 1990 1.61
EpDE 1990 1.73 E RAdeg 123.6 E DEdeg 106.0 Posflg
Corr 0.0