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Doubles in session


Current system
23336+6028
STFA 60 AB
HD 221670


Nearby doubles
31' : 23346+5958
LDS6172AB

36' : 23296+6009
ES 1766

38' : 23366+5958
OSO 202AB

40' : 23384+6011
LDS6045

42' : 23280+6020
SMA 199AB

42' : 23341+5947
HJ 1892

45' : 23274+6027
SMA 198

46' : 23276+6034
MLR 20

46' : 23290+5957
SMA 200

46' : 23273+6026
SMA 197

50' : 23314+6116
STI1185

50' : 23401+6015
MLR 366

50' : 23280+6057
TDT4050

50' : 23401+6041
SKF 283

53' : 23272+6003
SMA 196

53' : 23265+6038
OSO 196AB

56' : 23407+6012
TDT4146

59' : 23271+5956
TDT4041

59' : 23260+6014
SMA 193

61' : 23357+6126
TDT4116

61' : 23263+5958
SMA 194

63' : 23262+6059
BKO 964

64' : 23264+6104
SMA 195

64' : 23261+6059
BKO 962

66' : 23417+6057
STI1196

67' : 23257+6100
BKO 959



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.

23336+6028 STFA 60 AB (HD 221670)

 
 
23h 33m 35.65s +60° 28' 07.0" P.A. 209.00 sep 231.1 mag 7.46,7.28 Sp G1IV dist. 233.1 pc (760.37 l.y.)
 
 
Coord 2000 23336+6028 Discov num STFA 60 Comp AB Coord arcsec 2000 23 33 35.65 +60 28 07.0
Date first 1835 Date last 2012 Obs 31
Pa first 211 Pa last 208.5 P.A. Now (θ) 208.5°
Sep first 247.1 Sep last 231.1 Sep. Now (ρ) 231.1"
Mag pri 7.46 Mag sec 7.28 delta mag (ΔM) 0.18 Spectral class G1IV (yellow)
Pri motion ra +015 Sec motion ra +102
Pri motion dec -002 Sec motion dec +032
Notes N (See Notes)
rPM=0.874
This double is not physical.
 
 
23336+6028 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 221670 20701 23 33 36 +60 28 07 STFA 60 AB 2012 31 209 231.1 7.46 7.28 0.18 <===
Show 20701 23 33 36 +60 28 07 STFA 60 AC 2015 15 137 133.6 7.46 10.25 2.79
Show 20699 23 33 21 +60 24 39 STFA 60 BD 2014 6 303 89.0 7.28 12.76 5.48
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 221670 Constellation Cassiopeia SAO 20701 HIP 116278
Tycho2 4280-01911-1 Gaia DR2 2012218158438964224 HD 221670 GC 32764
BD BD+59 2746 Distance 233.1 Distance ly 760.37
 
 
WDS 23336+6028 STFA 60 AB (HD 221670) : NOTES
 
 
discov_num notes refcode
STFA 60 AB: Pair appears in an appendix list, not part of the discoverer's
regular numbering sequence.
 
 
REFERENCES
 
 
refcode metd author reference
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 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
23336+6028 STFA 60 AB 2003 24 211 234.5 7.46 7.28 G1IV NOD 233335.65+602807.0
23336+6028 STFA 60 AB 2012 27 209 231.1 7.46 7.28 G1IV N D 233335.65+602807.0

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

 
 
WDS 23336+6028 STFA 60 AB (HD 221670) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23336+6028 STFA 60 AB (HD 221670) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 12/09/17 Robert   231.00 1.78 209.00 0.50   2
 
 
WDS 23336+6028 (HD 221670) : VIRTUAL EYEPIECE
 
 

23336+6028 STFA 60A mag 7.46 Sp G1IV 23336+6028 STFA 60B sep 235.2 P.A. 208.00 mag 7.28 Sp K0 23336+6028 STFA 60C sep 107.4 P.A. 155.20 mag 10.25 23336+6028 STFA 60D sep 217.3 P.A. 222.70 mag 12.76 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 23336+6028 (HD 221670) : ALADIN DSS IMAGE @ 23h 33m 35.65s +60° 28' 07.0"
 
 
 
 
WDS 23336+6028 STFA 60 AB (HD 221670) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23336+6028 STFA 60AB distance=1' 23336+6028 STFA 60AC distance=1' 23336+6028 STFA 60BD distance=4' 23346+5958 LDS6172AB distance=31' 23346+5958 LDS6172AC distance=31' 23296+6009 ES 1766 distance=36' 23366+5958 OSO 202AB distance=38' 23366+5958 OSO 202AC distance=38' 23366+5958 OSO 202AD distance=38' 23384+6011 LDS6045 distance=40' 23280+6020 SMA 199AB distance=42' 23280+6020 SMA 199AC distance=42' 23341+5947 HJ 1892 distance=42' 23274+6027 SMA 198 distance=45' 23276+6034 MLR 20 distance=46' 23290+5957 SMA 200 distance=46' 23273+6026 SMA 197 distance=46' 23314+6116 STI1185 distance=50' 23401+6015 MLR 366 distance=50' 23280+6057 TDT4050 distance=50' 23401+6041 SKF 283 distance=50' 23272+6003 SMA 196 distance=53' 23265+6038 RAS 14Aa,Ab distance=53' 23265+6038 OSO 196AB distance=53' 23265+6038 OSO 196AC distance=53' 23265+6038 OSO 196AD distance=53' 23265+6038 OSO 196AE distance=53' 23407+6012 TDT4146 distance=56' 23271+5956 TDT4041 distance=59' 23260+6014 SMA 193 distance=59' 23357+6126 TDT4116 distance=61' 23263+5958 SMA 194 distance=61' 23262+6059 BKO 964 distance=63' 23264+6104 SMA 195 distance=64' 23261+6059 BKO 962 distance=64' 23417+6057 STI1196 distance=66' 23257+6100 BKO 959 distance=67' 23257+6102 BKO 958 distance=68' 23268+6114 BKO 966 distance=68' 23415+5955 FOX 50AB distance=69' 23415+5955 HJ 1904AC distance=69' 23415+5955 KPP4400AD distance=69' 23260+6108 BKO 961 distance=69' 23401+6119 STI1193 distance=70' 23325+5918 HEI 886 distance=71' 23259+6103 SMA 192 distance=72' 23264+6116 BKO 965BC distance=73' 23264+6116 BKO 965AB distance=73' 23274+6123 MLR 684 distance=73' 23241+6053 TDT4021 distance=74' 23236+6045 SMA 191 distance=75' 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 23336+6028 STFA 60 AB 209 231.1 1
Show 23336+6028 STFA 60 AC 137 133.6 1
Show 23336+6028 STFA 60 BD 303 89.0 4
Show 23346+5958 LDS6172 AB 356 4.1 31
Show 23346+5958 LDS6172 AC 24 27.0 31
Show 23296+6009 ES 1766 322 3.4 36
Show 23366+5958 OSO 202 AB 173 17.6 38
Show 23366+5958 OSO 202 AC 351 21.3 38
Show 23366+5958 OSO 202 AD 252 27.0 38
Show 23384+6011 LDS6045 115 9.9 40
Show 23280+6020 SMA 199 AB 36 9.8 42
Show 23280+6020 SMA 199 AC 95 11.3 42
Show 23341+5947 HJ 1892 93 6.9 42
Show 23274+6027 SMA 198 157 5.8 45
Show 23276+6034 MLR 20 193 0.4 46
Show 23290+5957 SMA 200 332 5.4 46
Show 23273+6026 SMA 197 138 11.9 46
Show 23314+6116 STI1185 252 9.9 50
Show 23401+6015 MLR 366 335 0.9 50
Show 23280+6057 TDT4050 318 0.6 50
Show 23401+6041 SKF 283 128 2.4 50
Show 23272+6003 SMA 196 78 9.9 53
Show 23265+6038 RAS 14 Aa,Ab 260 0.1 53
Show 23265+6038 OSO 196 AB 46 10.8 53
Show 23265+6038 OSO 196 AC 306 15.5 53
Show 23265+6038 OSO 196 AD 49 14.8 53
Show 23265+6038 OSO 196 AE 100 16.7 53
Show 23407+6012 TDT4146 282 0.5 56
Show 23271+5956 TDT4041 290 0.7 59
Show 23260+6014 SMA 193 105 4.8 59
Show 23357+6126 TDT4116 47 0.6 61
Show 23263+5958 SMA 194 199 6.8 61
Show 23262+6059 BKO 964 206 6.6 63
Show 23264+6104 SMA 195 85 9.0 64
Show 23261+6059 BKO 962 338 7.8 64
Show 23417+6057 STI1196 99 4.1 66
Show 23257+6100 BKO 959 227 3.3 67
Show 23257+6102 BKO 958 279 19.6 68
Show 23268+6114 BKO 966 26 10.1 68
Show 23415+5955 FOX 50 AB 41 7.5 69
Show 23415+5955 HJ 1904 AC 84 27.8 69
Show 23415+5955 KPP4400 AD 221 2.7 69
Show 23260+6108 BKO 961 232 6.4 69
Show 23401+6119 STI1193 225 6.7 70
Show 23325+5918 HEI 886 188 3.1 71
Show 23259+6103 SMA 192 82 7.2 72
Show 23264+6116 BKO 965 BC 118 1.4 73
Show 23264+6116 BKO 965 AB 47 8.2 73
Show 23274+6123 MLR 684 264 1.8 73
Show 23241+6053 TDT4021 203 0.5 74
Show 23236+6045 SMA 191 83 9.3 75

 
 
WDS 23336+6028 : COMPONENTS
 
 
  A B C
B pa=208.0°
sep=235.19"
 
C pa=155.2°
sep=107.44"
pa=54.7°
sep=190.51"
 
D pa=222.7°
sep=217.29"
pa=322.3°
sep=60.58"
pa=252.1°
sep=202.21"
 
 
23336+6028 A
 
 
Name HD 221670 Coord arcsec 2000 233335.65+602807.0 Mag 7.46 Spectral class G1IV (yellow)
PmRA 15.00 PmDE -2.0 SAO 20701 HIP 116278
Tycho2 4280-01911-1 HD 221670 GC 32764 BD BD+59 2746
Tycho2
Tycho2 4280-01911-1 Pflag RAmdeg 353.39863565 DEmdeg 60.46860317
PmRA 14.5 PmDE -2.8 E RAmdeg 5 E DEmdeg 5
E pmRA 1.0 E pmDE 1.2 EpRAm 1990.99 EpDEm 1991.24
Num 15 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 8.574 E BTmag 0.016 VTmag 7.463
E VTmag 0.010 Prox 953 TYC T HIP 116278
CCDM RAdeg 353.39856639 DEdeg 60.46860972 EpRA 1990 1.56
EpDE 1990 1.68 E RAdeg 4.8 E DEdeg 4.8 Posflg
Corr 0.0
SAO
SAO 20701 DelFlag RA1950 PmRA1950 -0.0024
DE1950 PmDE1950 0.001 Vmag 7.4 SpType K0
Double code Source 70 CatNum 32764 DM BD+59 2746
DMcomp BDsup HD 221670 M HD 0
GC 32764 RA1950rad 6.15779172 DE1950rad 1.05055498 PmRA2000 -0.0022
PmDE2000 -0.005
Hipparcos
Catalog H HIP 116278 Proxy RAhms 23 33 35.65
DEdms +60 28 07.0 Vmag 7.36 VarFlag R Vmag H
RAdeg 353.399 DEdeg 60.4686 AstroRef Plx 4.04
CCDM 23335+6026 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 221670 BD BD+59 2746
CD CP Dm number +59 2746 VIred 0.94
SpType G9III R SpType Coord arcsec 2000 233335.65+602807.0
Hipparcos 2
HIP 116278 Sn 5 So 0 Nc 1
RArad 6.1679684756 DErad 1.0553763391 Plx 4.29 PmRA 15.16
PmDE -1.98 E RArad 0.46 E DErad 0.45 E Plx 0.59
E pmRA 0.61 E pmDE 0.51 Hpmag 7.5226 E Hpmag 0.001
SHp 0.011 VA 0 BV 0.976 E BV 0.01
VI 0.96
 
 
23336+6028 B
 
 
Coord arcsec 2000 233320.74+602439.3 Coord calc 233320.74+602439.3 Mag 7.28 Spectral class K0 (yellow-orange)
PmRA 102.00 PmDE 32.0 SAO 20699 HIP 116251
Tycho2 4280-01569-1 HD 221639 GC 32761 BD BD+59 2744
Calc delta mag 0.18
Tycho2
Tycho2 4280-01569-1 Pflag RAmdeg 353.33644119 DEmdeg 60.41093248
PmRA 103.6 PmDE 32.9 E RAmdeg 5 E DEmdeg 5
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.21 EpDEm 1991.44
Num 10 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.7 BTmag 8.374 E BTmag 0.016 VTmag 7.282
E VTmag 0.010 Prox 999 TYC T HIP 116251
CCDM RAdeg 353.33594694 DEdeg 60.41085667 EpRA 1990 1.53
EpDE 1990 1.70 E RAdeg 4.6 E DEdeg 4.5 Posflg
Corr 0.0
SAO
SAO 20699 DelFlag RA1950 PmRA1950 0.0116
DE1950 PmDE1950 0.043 Vmag 7.3 SpType K0
Double code Source 70 CatNum 32761 DM BD+59 2744
DMcomp BDsup HD 221639 M HD 0
GC 32761 RA1950rad 6.15667491 DE1950rad 1.04954264 PmRA2000 0.0119
PmDE2000 0.037
Hipparcos
Catalog H HIP 116251 Proxy RAhms 23 33 20.62
DEdms +60 24 39.1 Vmag 7.2 VarFlag R Vmag H
RAdeg 353.336 DEdeg 60.4109 AstroRef Plx 14.58
CCDM 23335+6026 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 221639 BD BD+59 2744
CD CP Dm number +59 2744 VIred 0.92
SpType K1V R SpType Coord arcsec 2000 233320.62+602439.1
Hipparcos 2
HIP 116251 Sn 5 So 0 Nc 1
RArad 6.1668754002 DErad 1.0543682798 Plx 15.55 PmRA 101.81
PmDE 31.98 E RArad 0.42 E DErad 0.4 E Plx 0.52
E pmRA 0.56 E pmDE 0.47 Hpmag 7.3487 E Hpmag 0.0012
SHp 0.011 VA 0 BV 0.92 E BV 0
VI 0.92
 
 
23336+6028 C
 
 
Coord arcsec 2000 233341.74+602629.4 Mag 10.25 PmRA -6.00 PmDE -8.0
Calc delta mag 2.79 Calc coord yes
 
 
23336+6028 D
 
 
Coord arcsec 2000 233315.74+602527.3 Mag 12.76 PmRA 0.00 PmDE 1.0
Calc delta mag 5.3 Calc coord yes