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Doubles in session


Current system
23277+7406
STF 3017 AB
HD 221071


Nearby doubles
32' : 23262+7336
LDS2041AB

36' : 23197+7355
HJ 1870

38' : 23289+7329
LDS2044

38' : 23367+7418
LDS2048

41' : 23209+7436
SKF2746

49' : 23179+7341
KPP4312

50' : 23380+7434
KPP 796

54' : 23319+7317
A 897

54' : 23385+7338
A 898AB

56' : 23412+7409
HJ 1905AB

57' : 23327+7313
COU 18AB

57' : 23411+7424
LDS2050

67' : 23133+7439
LDS2029AB

71' : 23153+7458
LDS2031

74' : 23457+7405
HJ 3212

86' : 23132+7307
LDS2028

86' : 23365+7250
CRB 216

93' : 23204+7240
MLR 272

96' : 23306+7232
TDT4076

101' : 23095+7517
LDS2027

103' : 23219+7547
LDS2037

110' : 23079+7523
STT 489AB

120' : 23245+7209
LDS2039

122' : 23085+7543
LDS2026

128' : 23128+7601
TDT3936

131' : 23275+7618
WFC 242



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.

23277+7406 STF 3017 AB (HD 221071)

 
 
23h 27m 42.90s +74° 07' 09.5" P.A. 19.00 sep 1.2 mag 7.64,8.51 Sp F1:V dist. 105.93 pc (345.54 l.y.)
 
 
Coord 2000 23277+7406 Discov num STF3017 Comp AB Coord arcsec 2000 23 27 42.90 +74 07 09.5
Date first 1828 Date last 2016 Obs 67
Pa first 35 Pa last 18.9 P.A. Now (θ) 18.9°
Sep first 2.8 Sep last 1.206 Sep. Now (ρ) 1.206"
Mag pri 7.64 Mag sec 8.51 delta mag (ΔM) 0.87 Spectral class F1:V (yellow-white)
Pri motion ra +059 Sec motion ra +059
Pri motion dec +020 Sec motion dec +020
Notes
Nature of this double is uncertain.
 
 
23277+7406 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 221071 10742 23 27 43 +74 07 10 STF 3017 AB 2016 67 19 1.2 7.64 8.51 0.87 <===
Show 10742 23 27 43 +74 07 10 STF 3017 AC 2015 4 145 87.5 7.64 13.80 6.16
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 221071 Constellation Cepheus SAO 10742 HIP 115810
Tycho2 4490-00155-1 Gaia DR2 2232114608476429824 HD 221071 GC 32650
BD BD+73 1035 Distance 105.93 Distance ly 345.54
 
 
WDS 23277+7406 STF 3017 AB (HD 221071) : NOTES
 
 
No records found.

 
 
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
23277+7406 STF3017 AB 2005 65 21 1.3 7.64 8.51 F1:V D 232742.90+740709.5
23277+7406 STF3017 AB 2011 67 21 1.3 7.64 8.51 F1:V 232742.90+740709.5
23277+7406 STF3017 AB 2013 64 20 1.2 7.64 8.51 F1:V 232742.90+740709.5
23277+7406 STF3017 AB 2016 65 19 1.2 7.64 8.51 F1:V 232742.90+740709.5

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

 
 
WDS 23277+7406 STF 3017 AB (HD 221071) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23277+7406 STF 3017 AB (HD 221071) : MEASURES
 
 
No records found.

 
 
WDS 23277+7406 (HD 221071) : VIRTUAL EYEPIECE
 
 

23277+7406 STF3017A mag 7.64 Sp F1:V 23277+7406 STF3017B sep 1.1 P.A. 5.40 mag 8.51 23277+7406 STF3017C sep 72.9 P.A. 169.10 mag 13.8 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 23277+7406 (HD 221071) : ALADIN DSS IMAGE @ 23h 27m 42.90s +74° 07' 09.5"
 
 
 
 
WDS 23277+7406 STF 3017 AB (HD 221071) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23277+7406 STF3017AB distance=0' 23262+7336 LDS2041AB distance=32' 23197+7355 HJ 1870 distance=36' 23289+7329 LDS2044 distance=38' 23367+7418 LDS2048 distance=38' 23209+7436 SKF2746 distance=41' 23179+7341 KPP4312 distance=49' 23380+7434 KPP 796 distance=50' 23385+7338 A 898CD distance=53' 23319+7317 A 897 distance=54' 23385+7338 A 898AB distance=54' 23412+7409 HJ 1905AB distance=56' 23412+7409 HJ 1905BC distance=56' 23327+7313 COU 18AB distance=57' 23327+7313 COU 18AC distance=57' 23411+7424 LDS2050 distance=57' 23133+7439 LDS2029AB distance=67' 23133+7439 LDS2029AC distance=67' 23153+7458 LDS2031 distance=71' 23457+7405 HJ 3212 distance=74' 23132+7307 LDS2028 distance=86' 23365+7250 CRB 216 distance=86' 23204+7240 MLR 272 distance=93' 23306+7232 TDT4076 distance=96' 23095+7517 LDS2027 distance=101' 23219+7547 LDS2037 distance=103' 23079+7523 STT 489AB distance=110' 23079+7523 HJ 1852AC distance=110' 23245+7209 LDS2039 distance=120' 23085+7543 LDS2026 distance=122' 23128+7601 TDT3936 distance=128' 23275+7618 WFC 242 distance=131' 23105+7601 TDT3913 distance=133' 23225+7145 WFC 241 distance=144' 23374+7142 STF3029 distance=152' 23270+7135 TDT4039 distance=153' 23084+7153 MLB 436 distance=159' 23395+7129 LDS2049 distance=167' 23138+7132 LDS2030 distance=168' 23234+7121 TDT4013 distance=168' 23126+7645 MLR 270 distance=169' 23125+7646 BVD 344 distance=169' 23349+7120 TDS1215 distance=171' 23438+7129 MLR 277 distance=173' 23444+7127 UC 296 distance=177' 23239+7704 STF3011 distance=178' 23353+7108 TDT4112 distance=183' 23174+7717 TDT3967 distance=195' 23262+7041 BU 386AB distance=207' 23262+7041 BU 386AC distance=207' 23444+7051 MLB 439 distance=211' 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 23277+7406 STF3017 AB 19 1.2
Show 23277+7406 STF3017 AC 145 87.5
Show 23262+7336 LDS2041 AB 25 45.5 32
Show 23197+7355 HJ 1870 306 15.6 36
Show 23289+7329 LDS2044 216 9.7 38
Show 23367+7418 LDS2048 356 7.1 38
Show 23209+7436 SKF2746 333 32.0 41
Show 23179+7341 KPP4312 71 4.0 49
Show 23380+7434 KPP 796 220 6.8 50
Show 23385+7338 A 898 CD 239 3.2 53
Show 23319+7317 A 897 331 0.2 54
Show 23385+7338 A 898 AB 137 1.8 54
Show 23412+7409 HJ 1905 AB 146 19.6 56
Show 23412+7409 HJ 1905 BC 145 16.1 56
Show 23327+7313 COU 18 AB 186 4.5 57
Show 23327+7313 COU 18 AC 79 17.8 57
Show 23411+7424 LDS2050 147 21.9 57
Show 23133+7439 LDS2029 AB 273 149.9 67
Show 23133+7439 LDS2029 AC 52 39.3 67
Show 23153+7458 LDS2031 103 26.7 71
Show 23457+7405 HJ 3212 32 28.4 74
Show 23132+7307 LDS2028 37 2.0 86
Show 23365+7250 CRB 216 183 12.3 86
Show 23204+7240 MLR 272 234 0.7 93
Show 23306+7232 TDT4076 139 0.7 96
Show 23095+7517 LDS2027 261 7.9 101
Show 23219+7547 LDS2037 322 39.3 103
Show 23079+7523 STT 489 AB 3 1.1 110
Show 23079+7523 HJ 1852 AC 244 57.8 110
Show 23245+7209 LDS2039 272 8.0 120
Show 23085+7543 LDS2026 13 2.8 122
Show 23128+7601 TDT3936 202 2.4 128
Show 23275+7618 WFC 242 13 3.9 131
Show 23105+7601 TDT3913 276 0.6 133
Show 23225+7145 WFC 241 273 5.3 144
Show 23374+7142 STF3029 316 5.0 152
Show 23270+7135 TDT4039 147 0.5 153
Show 23084+7153 MLB 436 24 6.1 159
Show 23395+7129 LDS2049 230 9.2 167
Show 23138+7132 LDS2030 93 2.7 168
Show 23234+7121 TDT4013 165 1.6 168
Show 23126+7645 MLR 270 221 4.3 169
Show 23125+7646 BVD 344 183 42.6 169
Show 23349+7120 TDS1215 179 1.5 171
Show 23438+7129 MLR 277 53 2.4 173
Show 23444+7127 UC 296 47 36.1 177
Show 23239+7704 STF3011 331 7.0 178
Show 23353+7108 TDT4112 270 0.5 183
Show 23174+7717 TDT3967 156 1.3 195
Show 23262+7041 BU 386 AB 313 19.7 207
Show 23262+7041 BU 386 AC 205 51.0 207

 
 
WDS 23277+7406 : COMPONENTS
 
 
  A B
B pa=5.4°
sep=1.15"
 
C pa=169.1°
sep=72.90"
pa=169.4°
sep=74.00"
 
 
23277+7406 A
 
 
Name HD 221071 Coord arcsec 2000 232742.90+740709.5 Mag 7.64 Spectral class F1:V (yellow-white)
PmRA 59.00 PmDE 20.0 SAO 10742 HIP 115810
Tycho2 4490-00155-1 HD 221071 GC 32650 BD BD+73 1035
Tycho2
Tycho2 4490-00155-1 Pflag P RAmdeg 351.92937080 DEmdeg 74.11941840
PmRA 58.7 PmDE 19.7 E RAmdeg 5 E DEmdeg 5
E pmRA 2.0 E pmDE 2.0 EpRAm 1991.72 EpDEm 1991.62
Num 4 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.8 BTmag 7.926 E BTmag 0.016 VTmag 7.635
E VTmag 0.011 Prox 14 TYC T HIP 115810
CCDM A RAdeg 351.92877444 DEdeg 74.11930250 EpRA 1990 1.79
EpDE 1990 1.69 E RAdeg 4.6 E DEdeg 5.1 Posflg D
Corr 0.1
SAO
SAO 10742 DelFlag RA1950 PmRA1950 0.0132
DE1950 PmDE1950 0.037 Vmag 7.2 SpType F0
Double code Source 70 CatNum 32650 DM BD+73 1035
DMcomp BDsup HD 221071 M HD 0
GC 32650 RA1950rad 6.13353897 DE1950rad 1.28882182 PmRA2000 0.0135
PmDE2000 0.03
Hipparcos
Catalog H HIP 115810 Proxy H RAhms 23 27 42.90
DEdms +74 07 09.5 Vmag 7.23 VarFlag R Vmag G
RAdeg 351.929 DEdeg 74.1193 AstroRef A Plx 8.68
CCDM 23278+7407 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 23 Rho 1.394 HD 221071 BD BD+73 1035
CD CP Dm number +73 1035 VIred 0.4
SpType F0 R SpType Coord arcsec 2000 232742.90+740709.5
Hipparcos 2
HIP 115810 Sn 15 So 3 Nc 2
RArad 6.1423152207 DErad 1.2936258776 Plx 9.44 PmRA 64.19
PmDE 19.16 E RArad 0.54 E DErad 0.46 E Plx 0.57
E pmRA 0.75 E pmDE 0.52 Hpmag 7.2942 E Hpmag 0.0012
SHp 0.009 VA 0 BV 0.344 E BV 0.015
VI 0.4
 
 
23277+7406 B
 
 
Coord arcsec 2000 232742.93+740710.6 Mag 8.51 PmRA 59.00 PmDE 20.0
Tycho2 4490-00155-2 Calc delta mag 0.87 Calc coord yes
Tycho2
Tycho2 4490-00155-2 Pflag P RAmdeg 351.92937080 DEmdeg 74.11941840
PmRA 58.7 PmDE 19.7 E RAmdeg 5 E DEmdeg 5
E pmRA 2.0 E pmDE 2.0 EpRAm 1991.72 EpDEm 1991.62
Num 4 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.8 BTmag 8.948 E BTmag 0.018 VTmag 8.507
E VTmag 0.014 Prox 14 TYC HIP 115810
CCDM B RAdeg 351.92931917 DEdeg 74.11966056 EpRA 1990 1.78
EpDE 1990 1.68 E RAdeg 7.4 E DEdeg 8.3 Posflg D
Corr 0.1
 
 
23277+7406 C
 
 
Coord arcsec 2000 232746.25+740557.9 Mag 13.8 PmRA 15.00 PmDE 8.0
Calc delta mag 6.16 Calc coord yes