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Doubles in session


Current system
21531+6806
STTA 226 AB
HD 208411


Nearby doubles
20' : 21498+6802
MLB1094

28' : 21578+6818
MLB 306

39' : 21598+6758
STF2853AB

43' : 21527+6724
SKF2743

44' : 21576+6842
HAU 28

45' : 21520+6723
TDT3201

48' : 21581+6729
LDS4932

49' : 21455+6745
HU 970

52' : 21580+6722
MLB 307AB

54' : 22026+6816
MLB 310AB

62' : 21599+6719
TDT3280

64' : 21576+6708
HJ 1711AB

67' : 22048+6822
MLB 430

74' : 21403+6823
HU 968

75' : 21399+6808
STF2823

75' : 22048+6735
MLB 369

76' : 22029+6716
MLB1096

77' : 22066+6754
MLB 311

78' : 22057+6840
TDT3333

78' : 21511+6650
HU 972

79' : 21480+6920
STF2835

79' : 22068+6828
TDT3344

83' : 21491+6648
STF2836AB

83' : 21542+6644
LEP 103

83' : 22038+6710
TDS1155

87' : 21391+6846
MLB 305



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21531+6806 STTA 226 AB (HD 208411)

 
 
21h 53m 08.19s +68° 06' 26.9" P.A. 245.00 sep 76.3 mag 7.52,8.91 Sp G8II dist. 421.94 pc (1376.37 l.y.)
 
 
Coord 2000 21531+6806 Discov num STTA226 Comp AB Coord arcsec 2000 21 53 08.19 +68 06 26.9
Date first 1876 Date last 2018 Obs 32
Pa first 246 Pa last 245.4 P.A. Now (θ) 245.4°
Sep first 76.0 Sep last 76.29 Sep. Now (ρ) 76.29"
Mag pri 7.52 Mag sec 8.91 delta mag (ΔM) 1.39 Spectral class G8II (yellow)
Pri motion ra -007 Sec motion ra -008
Pri motion dec -007 Sec motion dec -008
Notes N (See Notes)
rPM=0.125 (< 0.3, Physical double)
This double is physical.
 
 
21531+6806 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 208411 19712 21 53 08 +68 06 27 STTA 226 AB 2018 32 245 76.3 7.52 8.91 1.39 <===
Show 19709 21 52 56 +68 05 54 STTA 226 BC 2015 8 149 85.2 8.91 12.91 4.00
Show 19709 21 52 56 +68 05 54 STTA 226 BD 2015 6 169 50.2 8.91 13.52 4.61
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 208411 Constellation Cepheus SAO 19712 HIP 108030
Tycho2 4462-02825-1 Gaia DR2 2222778483448264832 HD 208411 GC 30666
DM BD+67 1370 BD BD+67 1372 Distance 421.94 Distance ly 1376.37
 
 
WDS 21531+6806 STTA 226 AB (HD 208411) : NOTES
 
 
discov_num notes refcode
STTA226 BD. Pair initially listed as AD in WDS, but no star of appropriate
magnitude at quoted separation and angle from A. GSC2.3 N1G0000360
appears to be reasonable match in rho and theta (measured from B) and
magnitude, however.
 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A 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
21531+6806 STTA226 AB 2003 26 246 74.6 7.52 8.91 G8II N D 215308.19+680626.9
21531+6806 STTA226 AB 2015 28 245 76.0 7.52 8.91 G8II N 215308.19+680626.9
21531+6806 STTA226 AB 2018 29 245 76.3 7.52 8.91 G8II N 215308.19+680626.9

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

 
 
WDS 21531+6806 STTA 226 AB (HD 208411) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21531+6806 STTA 226 AB (HD 208411) : MEASURES
 
 
No records found.

 
 
WDS 21531+6806 (HD 208411) : VIRTUAL EYEPIECE
 
 

21531+6806 STTA226A mag 7.52 Sp G8II 21531+6806 STTA226B sep 76.0 P.A. 244.80 mag 8.91 Sp A3V 21531+6806 STTA226C sep 117.7 P.A. 206.40 mag 12.91 21531+6806 STTA226D sep 104.4 P.A. 218.60 mag 13.52 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 21531+6806 (HD 208411) : ALADIN DSS IMAGE @ 21h 53m 08.19s +68° 06' 26.9"
 
 
 
 
WDS 21531+6806 STTA 226 AB (HD 208411) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21531+6806 STTA226AB distance=0' 21531+6806 STTA226BC distance=2' 21531+6806 STTA226BD distance=2' 21498+6802 MLB1094 distance=20' 21578+6818 MLB 306 distance=28' 21598+6758 STF2853AB distance=39' 21527+6724 SKF2743 distance=43' 21576+6842 HAU 28 distance=44' 21520+6723 TDT3201 distance=45' 21581+6729 LDS4932 distance=48' 21455+6745 HU 970 distance=49' 21580+6722 MLB 307AB distance=52' 21580+6722 MLB 307BC distance=53' 22026+6816 MLB 310BC distance=53' 22026+6816 MLB 310AB distance=54' 21599+6719 TDT3280 distance=62' 21576+6708 HJ 1711AB distance=64' 21576+6708 ACA 8AC distance=64' 22048+6822 MLB 430 distance=67' 21403+6823 HU 968 distance=74' 21399+6808 STF2823 distance=75' 22048+6735 MLB 369 distance=75' 22029+6716 MLB1096 distance=76' 22066+6754 MLB 311 distance=77' 22057+6840 TDT3333 distance=78' 21511+6650 HU 972 distance=78' 21480+6920 STF2835 distance=79' 22068+6828 TDT3344 distance=79' 21491+6648 STF2836AB distance=83' 21491+6648 WAL 140AC distance=83' 21542+6644 LEP 103 distance=83' 22038+6710 TDS1155 distance=83' 21391+6846 MLB 305 distance=87' 21584+6930 MLB 308BC distance=88' 22051+6904 MLB 431 distance=88' 21584+6930 MLB 308AB distance=88' 22086+6826 TDS1158 distance=88' 21596+6931 HJ 3085AB distance=93' 21596+6931 HJ 3085AC distance=93' 22090+6743 HJ 1742 distance=93' 22102+6811 MLB 370AB distance=96' 22102+6811 MLR 104AC distance=96' 22103+6812 MLB1097 distance=96' 22091+6726 KPP1811 distance=100' 22105+6838 MLB1098AB distance=102' 21559+6626 CLL 17AB distance=102' 21559+6626 CLL 17AC distance=102' 21488+6947 TDT3168 distance=104' 21481+6625 MLB 270 distance=106' 21365+6718 KPP4238 distance=106' 22128+6829 HJ 1747AB distance=112' 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 21531+6806 STTA226 AB 245 76.3
Show 21531+6806 STTA226 BC 149 85.2 2
Show 21531+6806 STTA226 BD 169 50.2 2
Show 21498+6802 MLB1094 229 8.5 20
Show 21578+6818 MLB 306 144 3.8 28
Show 21598+6758 STF2853 AB 188 3.2 39
Show 21527+6724 SKF2743 122 19.3 43
Show 21576+6842 HAU 28 36 35.5 44
Show 21520+6723 TDT3201 121 2.3 45
Show 21581+6729 LDS4932 85 122.6 48
Show 21455+6745 HU 970 274 0.4 49
Show 21580+6722 MLB 307 AB 194 62.0 52
Show 21580+6722 MLB 307 BC 152 3.1 53
Show 22026+6816 MLB 310 BC 197 4.0 53
Show 22026+6816 MLB 310 AB 254 43.1 54
Show 21599+6719 TDT3280 122 0.5 62
Show 21576+6708 HJ 1711 AB 255 8.8 64
Show 21576+6708 ACA 8 AC 323 71.9 64
Show 22048+6822 MLB 430 290 6.3 67
Show 21403+6823 HU 968 147 1.3 74
Show 21399+6808 STF2823 254 1.5 75
Show 22048+6735 MLB 369 105 6.7 75
Show 22029+6716 MLB1096 312 18.5 76
Show 22066+6754 MLB 311 197 3.2 77
Show 22057+6840 TDT3333 14 0.6 78
Show 21511+6650 HU 972 255 0.3 78
Show 21480+6920 STF2835 272 1.9 79
Show 22068+6828 TDT3344 24 0.5 79
Show 21491+6648 STF2836 AB 155 11.8 83
Show 21491+6648 WAL 140 AC 253 64.5 83
Show 21542+6644 LEP 103 213 4.1 83
Show 22038+6710 TDS1155 75 0.9 83
Show 21391+6846 MLB 305 82 6.1 87
Show 21584+6930 MLB 308 BC 94 4.7 88
Show 22051+6904 MLB 431 137 4.1 88
Show 21584+6930 MLB 308 AB 158 34.3 88
Show 22086+6826 TDS1158 151 1.0 88
Show 21596+6931 HJ 3085 AB 324 21.5 93
Show 21596+6931 HJ 3085 AC 286 48.1 93
Show 22090+6743 HJ 1742 334 22.9 93
Show 22102+6811 MLB 370 AB 247 3.7 96
Show 22102+6811 MLR 104 AC 48 12.2 96
Show 22103+6812 MLB1097 8 13.4 96
Show 22091+6726 KPP1811 296 14.1 100
Show 22105+6838 MLB1098 AB 165 12.5 102
Show 21559+6626 CLL 17 AB 68 37.0 102
Show 21559+6626 CLL 17 AC 241 35.6 102
Show 21488+6947 TDT3168 81 2.1 104
Show 21481+6625 MLB 270 265 1.6 106
Show 21365+6718 KPP4238 336 12.9 106
Show 22128+6829 HJ 1747 AB 85 12.9 112

 
 
WDS 21531+6806 : COMPONENTS
 
 
  A B C
B pa=244.8°
sep=76.05"
 
C pa=206.4°
sep=117.68"
pa=167.3°
sep=74.79"
 
D pa=218.6°
sep=104.37"
pa=175.7°
sep=49.32"
pa=331.9°
sep=26.96"
 
 
21531+6806 A
 
 
Name HD 208411 Coord arcsec 2000 215308.19+680626.9 Mag 7.52 Spectral class G8II (yellow)
PmRA -7.00 PmDE -7.0 SAO 19712 HIP 108030
Tycho2 4462-02825-1 HD 208411 GC 30666 BD BD+67 1372
Tycho2
Tycho2 4462-02825-1 Pflag RAmdeg 328.28410584 DEmdeg 68.10746230
PmRA -8.6 PmDE -9.6 E RAmdeg 5 E DEmdeg 5
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.18 EpDEm 1991.35
Num 13 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.9
Q pmDE 1.3 BTmag 8.689 E BTmag 0.017 VTmag 7.517
E VTmag 0.011 Prox 760 TYC T HIP 108030
CCDM RAdeg 328.28415889 DEdeg 68.10748417 EpRA 1990 1.74
EpDE 1990 1.77 E RAdeg 5.2 E DEdeg 5.1 Posflg
Corr 0.0
SAO
SAO 19712 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 -0.011 Vmag 7.6 SpType K0
Double code Source 70 CatNum 30666 DM BD+67 1372
DMcomp BDsup HD 208411 M HD 0
GC 30666 RA1950rad 5.7248095 DE1950rad 1.18457346 PmRA2000 0.0012
PmDE2000 -0.016
Hipparcos
Catalog H HIP 108030 Proxy RAhms 21 53 08.20
DEdms +68 06 26.9 Vmag 7.41 VarFlag R Vmag H
RAdeg 328.284 DEdeg 68.1075 AstroRef Plx 1.92
CCDM 21531+6806 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 208411 BD BD+67 1372
CD CP Dm number +67 1372 VIred 0.99
SpType G8II R SpType Coord arcsec 2000 215308.20+680626.9
Hipparcos 2
HIP 108030 Sn 5 So 0 Nc 1
RArad 5.7296394267 DErad 1.1886998101 Plx 2.37 PmRA -7.43
PmDE -6.65 E RArad 0.41 E DErad 0.42 E Plx 0.46
E pmRA 0.6 E pmDE 0.47 Hpmag 7.5794 E Hpmag 0.0011
SHp 0.01 VA 0 BV 1.018 E BV 0.012
VI 0.99
CCDM
Ccdm 21531+6806 RComp Comp A Note1
Note2 Discov num DRAs 2.21 DDEs 27.2
R dRAs 10 Year Theta Rho
Obs 4 Vmag 7.6 Sp K0 PmNote *
PmRA -6 PmDE 5 Dm number +67 1372 Cat1 BD
Name2 +67 981 Cat2 AGK2/3 HD 208411 M HD
ADS BDS B11361 M ADS BDS N IDS IDS 21509N6738A
HIC 108030
 
 
21531+6806 B
 
 
Coord arcsec 2000 215255.89+680554.5 Coord calc 215255.89+680554.5 Mag 8.91 Spectral class A3V (white)
PmRA -8.00 PmDE -8.0 SAO 19709 HIP 108008
Tycho2 4462-02852-1 HD 208376 BD BD+67 1370 Calc delta mag 1.39
Tycho2
Tycho2 4462-02852-1 Pflag RAmdeg 328.23287243 DEmdeg 68.09847356
PmRA -9.7 PmDE -7.7 E RAmdeg 8 E DEmdeg 8
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.74 EpDEm 1990.73
Num 13 Q RAmdeg 0.9 Q DEmdeg 0.9 Q pmRA 0.8
Q pmDE 0.8 BTmag 9.045 E BTmag 0.018 VTmag 8.905
E VTmag 0.016 Prox 760 TYC T HIP 108008
CCDM RAdeg 328.23293306 DEdeg 68.09849111 EpRA 1990 1.72
EpDE 1990 1.74 E RAdeg 8.4 E DEdeg 8.0 Posflg
Corr 0.1
SAO
SAO 19709 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 -0.005 Vmag 8.7 SpType A
Double code Source 2 CatNum 980 DM BD+67 1370
DMcomp BDsup HD 208376 M HD 0
GC RA1950rad 5.7239224 DE1950rad 1.18442036 PmRA2000 0.0017
PmDE2000 -0.01
Hipparcos
Catalog H HIP 108008 Proxy RAhms 21 52 55.90
DEdms +68 05 54.6 Vmag 8.9 VarFlag R Vmag H
RAdeg 328.233 DEdeg 68.0985 AstroRef Plx 2.64
CCDM 21531+6806 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 208376 BD BD+67 1370
CD CP Dm number +67 1370 VIred 0.35
SpType A3V R SpType Coord arcsec 2000 215255.90+680554.6
Hipparcos 2
HIP 108008 Sn 5 So 0 Nc 1
RArad 5.7287453715 DErad 1.1885428231 Plx 2.89 PmRA -8.15
PmDE -7.11 E RArad 0.53 E DErad 0.48 E Plx 0.55
E pmRA 0.79 E pmDE 0.59 Hpmag 8.9561 E Hpmag 0.0017
SHp 0.014 VA 0 BV 0.15 E BV 0.022
VI 0.17
CCDM
Ccdm 21531+6806 RComp Comp B Note1
Note2 Discov num STT4226 DRAs -10.03 DDEs -5.5
R dRAs 10 Year 1876 Theta 245 Rho 76.2
Obs 9 Vmag 9.6 Sp A PmNote *
PmRA -9 PmDE -2 Dm number +67 1370 Cat1 BD
Name2 +67 980 Cat2 AGK2/3 HD 208376 M HD
ADS BDS B11361 M ADS BDS N IDS IDS 21509N6738B
HIC 108008
 
 
21531+6806 C
 
 
Coord arcsec 2000 215258.82+680441.5 Mag 12.91 PmRA -15.00 PmDE -16.0
Calc delta mag 5.39 Calc coord yes
CCDM
Ccdm 21531+6806 RComp B Comp C Note1
Note2 Discov num STT4226 DRAs DDEs
R dRAs Year 1913 Theta 149 Rho 85.1
Obs 2 Vmag 15.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21509N6738C
HIC
 
 
21531+6806 D
 
 
Coord arcsec 2000 215256.56+680505.3 Mag 13.52 PmRA 96.00 PmDE -93.0
Calc delta mag 6 Calc coord yes
CCDM
Ccdm 21531+6806 RComp Comp D Note1
Note2 Discov num STT4226 DRAs DDEs
R dRAs Year Theta 176 Rho 45.0
Obs 1 Vmag 14.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21509N6738D
HIC