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Current system
21454+3955
SEI 1534


Nearby doubles
10' : 21458+3945
MLB 902

13' : 21450+3942
GRV 499

15' : 21459+3943
SEI1535

26' : 21445+3933
A 1447

35' : 21458+4029
ES 1693

37' : 21431+4021
TDT3121

49' : 21493+3937
SEI1536

50' : 21417+4022
TDT3111

54' : 21413+3928
BU 274

54' : 21481+3911
TDT3162

57' : 21487+3914
TDS1147

58' : 21429+3904
GRV 496

60' : 21490+3912
TDT3173

60' : 21505+3944
ES 211AB

62' : 21408+4027
TDT3102

62' : 21453+3853
TDT3139

64' : 21498+4033
TDT3183

65' : 21506+4017
SEI1539

65' : 21399+3941
A 1446

66' : 21504+3927
HO 170

68' : 21399+3931
A 1445AB

69' : 21416+4048
S 796AB

69' : 21397+3934
TDT3090

70' : 21512+3941
TDT3192

70' : 21464+3847
MLB 961

70' : 21393+3948
KPP4241



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

21454+3955 SEI 1534

 
 
21h 45m 21.49s +39° 54' 59.1" P.A. 189.00 sep 27.8 mag 11.40,12.24
 
 
Coord 2000 21454+3955 Discov num SEI1534 Comp Coord arcsec 2000 21 45 21.49 +39 54 59.1
Date first 1895 Date last 2015 Obs 12
Pa first 195 Pa last 189.3 P.A. Now (θ) 189.3°
Sep first 28.6 Sep last 27.849 Sep. Now (ρ) 27.849"
Mag pri 11.40 Mag sec 12.24 delta mag (ΔM) 0.84 Spectral class
Pri motion ra -021 Sec motion ra +001
Pri motion dec -008 Sec motion dec -005
Notes
rPM=0.988
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3188-01485-1 Gaia DR2 1954120204547195520
 
 
WDS 21454+3955 SEI 1534 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21454+3955 SEI1534 2000 6 190 27.9 11.52 12.44 D 214521.49+395459.1
21454+3955 SEI1534 2002 7 190 27.9 11.52 12.44 D 214521.49+395459.1
21454+3955 SEI1534 2010 8 190 27.8 11.40 12.24 214521.49+395459.1
21454+3955 SEI1534 2015 9 189 27.8 11.40 12.24 214521.49+395459.1

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

 
 
WDS 21454+3955 SEI 1534 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21454+3955 SEI 1534 : MEASURES
 
 
No records found.

 
 
WDS 21454+3955 : VIRTUAL EYEPIECE
 
 

21454+3955 SEI1534A mag 11.4 21454+3955 SEI1534B sep 27.7 P.A. 187.20 mag 12.24 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 21454+3955 : ALADIN DSS IMAGE @ 21h 45m 21.49s +39° 54' 59.1"
 
 
 
 
WDS 21454+3955 SEI 1534 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21454+3955 SEI1534 distance=0' 21458+3945 MLB 902 distance=10' 21450+3942 GRV 499 distance=13' 21459+3943 SEI1535 distance=15' 21445+3933 A 1447 distance=26' 21458+4029 ES 1693 distance=35' 21431+4021 TDT3121 distance=37' 21493+3937 SEI1536 distance=49' 21417+4022 TDT3111 distance=50' 21413+3928 BU 274 distance=54' 21481+3911 TDT3162 distance=54' 21487+3914 TDS1147 distance=57' 21429+3904 GRV 496 distance=58' 21490+3912 TDT3173 distance=60' 21505+3944 ES 211AB distance=60' 21505+3944 ES 211AC distance=60' 21505+3944 ES 211AD distance=60' 21408+4027 TDT3102 distance=62' 21453+3853 TDT3139 distance=62' 21498+4033 TDT3183 distance=64' 21506+4017 SEI1539 distance=65' 21399+3941 A 1446 distance=65' 21504+3927 HO 170 distance=66' 21399+3931 A 1445AB distance=68' 21399+3931 HJ 1675AC distance=68' 21416+4048 S 796AB distance=69' 21416+4048 S 796AC distance=69' 21416+4048 FYM 112AD distance=69' 21416+4048 FYM 112AE distance=69' 21416+4048 FYM 112AF distance=69' 21397+3934 TDT3090 distance=69' 21512+3941 TDT3192 distance=70' 21464+3847 MLB 961 distance=70' 21393+3948 KPP4241 distance=70' 21513+3938 TDT3196 distance=71' 21400+3919 ALI 978 distance=72' 21422+4057 DAM 231 distance=73' 21509+3918 MLB 788 distance=75' 21419+4058 MLB 30 distance=75' 21426+4103 BU 688AB distance=76' 21426+4103 FOX9036AB,D distance=76' 21426+4103 BU 688AB,C distance=76' 21456+4110 TDT3144 distance=76' 21421+3848 ALI 980 distance=77' 21424+4105 KUI 108AB distance=78' 21424+4105 ARY 129AB,C distance=78' 21494+4058 TDT3178 distance=79' 21518+4022 TDT3199 distance=79' 21385+3942 MLB 786 distance=80' 21492+3849 TDT3176 distance=80' 21403+3858 MLB 787 distance=82' 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 21454+3955 SEI1534 189 27.8
Show 21458+3945 MLB 902 327 5.6 10
Show 21450+3942 GRV 499 170 67.4 13
Show 21459+3943 SEI1535 229 8.5 15
Show 21445+3933 A 1447 243 0.4 26
Show 21458+4029 ES 1693 34 7.4 35
Show 21431+4021 TDT3121 157 1.7 37
Show 21493+3937 SEI1536 147 28.1 49
Show 21417+4022 TDT3111 296 2.7 50
Show 21413+3928 BU 274 180 3.7 54
Show 21481+3911 TDT3162 146 2.0 54
Show 21487+3914 TDS1147 26 1.0 57
Show 21429+3904 GRV 496 72 29.9 58
Show 21490+3912 TDT3173 137 0.6 60
Show 21505+3944 ES 211 AB 197 2.5 60
Show 21505+3944 ES 211 AC 178 10.1 60
Show 21505+3944 ES 211 AD 102 21.1 60
Show 21408+4027 TDT3102 25 1.4 62
Show 21453+3853 TDT3139 65 0.5 62
Show 21498+4033 TDT3183 55 0.8 64
Show 21506+4017 SEI1539 260 27.0 65
Show 21399+3941 A 1446 40 1.3 65
Show 21504+3927 HO 170 256 0.3 66
Show 21399+3931 A 1445 AB 283 1.5 68
Show 21399+3931 HJ 1675 AC 264 37.9 68
Show 21416+4048 S 796 AB 233 58.2 69
Show 21416+4048 S 796 AC 282 132.4 69
Show 21416+4048 FYM 112 AD 163 70.0 69
Show 21416+4048 FYM 112 AE 143 73.8 69
Show 21416+4048 FYM 112 AF 305 55.0 69
Show 21397+3934 TDT3090 171 0.7 69
Show 21512+3941 TDT3192 118 0.5 70
Show 21464+3847 MLB 961 4 6.5 70
Show 21393+3948 KPP4241 95 4.0 70
Show 21513+3938 TDT3196 234 2.1 71
Show 21400+3919 ALI 978 14 13.3 72
Show 21422+4057 DAM 231 292 8.9 73
Show 21509+3918 MLB 788 52 4.9 75
Show 21419+4058 MLB 30 228 9.1 75
Show 21426+4103 BU 688 AB 198 0.4 76
Show 21426+4103 FOX9036 AB,D 306 46.7 76
Show 21426+4103 BU 688 AB,C 30 27.0 76
Show 21456+4110 TDT3144 193 2.2 76
Show 21421+3848 ALI 980 139 8.9 77
Show 21424+4105 KUI 108 AB 14 0.2 78
Show 21424+4105 ARY 129 AB,C 132 145.5 78
Show 21494+4058 TDT3178 251 0.6 79
Show 21518+4022 TDT3199 341 3.9 79
Show 21385+3942 MLB 786 209 5.3 80
Show 21492+3849 TDT3176 1 2.3 80
Show 21403+3858 MLB 787 351 5.4 82

 
 
WDS 21454+3955 : COMPONENTS
 
 
  A
B pa=187.2°
sep=27.70"
 
 
21454+3955 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214521.49+395459.1 Mag 11.4 PmRA -21.00
PmDE -8.0 Tycho2 3188-01485-1
Tycho2
Tycho2 3188-01485-1 Pflag RAmdeg 326.33953753 DEmdeg 39.91641395
PmRA -19.6 PmDE -9.2 E RAmdeg 56 E DEmdeg 51
E pmRA 2.0 E pmDE 1.8 EpRAm 1981.95 EpDEm 1982.15
Num 4 Q RAmdeg 0.6 Q DEmdeg 1.4 Q pmRA 0.6
Q pmDE 1.4 BTmag 12.538 E BTmag 0.158 VTmag 11.519
E VTmag 0.084 Prox 279 TYC HIP
CCDM RAdeg 326.33959528 DEdeg 39.91643361 EpRA 1990 1.68
EpDE 1990 1.70 E RAdeg 59.2 E DEdeg 53.5 Posflg
Corr 0.2
CCDM
Ccdm 21454+3955 RComp Comp A Note1
Note2 Discov num DRAs -2.49 DDEs -0.6
R dRAs 65 Year Theta Rho
Obs 2 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21413N3927A
HIC
 
 
21454+3955 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214521.19+395431.6 Mag 12.24 PmRA 1.00
PmDE -5.0 Tycho2 3188-01849-1 Calc delta mag 0.84 Calc coord yes
Tycho2
Tycho2 3188-01849-1 Pflag RAmdeg 326.33780839 DEmdeg 39.90878499
PmRA 3.7 PmDE -6.3 E RAmdeg 73 E DEmdeg 66
E pmRA 2.1 E pmDE 1.9 EpRAm 1974.96 EpDEm 1975.67
Num 4 Q RAmdeg 0.2 Q DEmdeg 2.0 Q pmRA 0.2
Q pmDE 2.1 BTmag 12.580 E BTmag 0.167 VTmag 12.441
E VTmag 0.168 Prox 279 TYC HIP
CCDM RAdeg 326.33779806 DEdeg 39.90879500 EpRA 1990 1.67
EpDE 1990 1.68 E RAdeg 81.3 E DEdeg 73.4 Posflg
Corr 0.2
CCDM
Ccdm 21454+3955 RComp Comp B Note1
Note2 Discov num SEI1534 DRAs -2.94 DDEs -28.1
R dRAs 65 Year 1895 Theta 196 Rho 28.5
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 21413N3927B
HIC