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Current system
15574+4140
STF 1991 AC


Nearby doubles
43' : 15562+4100
SLW1149

44' : 16012+4150
STF2001AB

59' : 15523+4129
GRV1212

69' : 16025+4219
VKI 24

73' : 16032+4213
VKI 25

74' : 16032+4215
OSO 67

82' : 15583+4019
COU1448

86' : 15520+4238
BAR 41AB

87' : 15510+4228
BU 810

91' : 15599+4306
ES 1555

92' : 16009+4016
TDS9728

94' : 16042+4045
A 1641

97' : 16000+4312
SLW1154

97' : 15513+4247
CVR1650

97' : 15521+4023
HJ 575

100' : 16049+4045
COU1275

101' : 15572+3959
SKF1757

109' : 15499+4247
STF1982

109' : 15538+4321
TDS9682

109' : 15479+4159
A 1638

114' : 15558+4333
LDS4608

117' : 15470+4143
HDS2222

119' : 15598+4335
CVR1657

119' : 15485+4037
HJ 573

122' : 16054+4305
SKF 49

125' : 16010+4338
ES 1556



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

15574+4140 STF 1991 AC

 
 
15h 57m 26.92s +41° 39' 42.9" P.A. 87.00 sep 95.0 mag 9.45,8.82 Sp F5+F2 dist. 178.89 pc (583.54 l.y.)
 
 
Coord 2000 15574+4140 Discov num STF1991 Comp AC Coord arcsec 2000 15 57 26.92 +41 39 42.9
Date first 1881 Date last 2015 Obs 15
Pa first 87 Pa last 87.3 P.A. Now (θ) 87.3°
Sep first 94.9 Sep last 94.95 Sep. Now (ρ) 94.95"
Mag pri 9.45 Mag sec 8.82 delta mag (ΔM) 0.63 Spectral class F5+F2 (yellow-white/yellow-white)
Pri motion ra -025 Sec motion ra -025
Pri motion dec -007 Sec motion dec -006
Notes T (Parallax indicates physical)
rPM=0.039 (< 0.3, Physical double)
This double is physical.
 
 
15574+4140 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 143208 45802 15 57 27 +41 39 43 STF 1991 AB 2019 40 195 3.0 9.45 10.41 0.96
Show 45802 15 57 27 +41 39 43 STF 1991 AC 2015 15 87 95.0 9.45 8.82 0.63 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 45802 HIP 78146 Tycho2 3057-01538-1
Gaia DR2 1383526102686064256 HD 143208 BD BD+42 2653 Distance 178.89
Distance ly 583.54
 
 
WDS 15574+4140 STF 1991 AC : 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
15574+4140 STF1991 AC 2004 11 85 94.8 9.45 8.82 D 155726.92+413942.9
15574+4140 STF1991 AC 2015 13 87 95.0 9.45 8.82 F5 155726.92+413942.9

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

 
 
WDS 15574+4140 STF 1991 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15574+4140 STF 1991 AC : MEASURES
 
 
No records found.

 
 
WDS 15574+4140 : VIRTUAL EYEPIECE
 
 

15574+4140 STF1991A mag 9.45 Sp F5 15574+4140 STF1991B sep 3.0 P.A. 191.60 mag 10.41 15574+4140 STF1991C sep 71.0 P.A. 86.40 mag 8.82 Sp F2 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 15574+4140 : ALADIN DSS IMAGE @ 15h 57m 26.92s +41° 39' 42.9"
 
 
 
 
WDS 15574+4140 STF 1991 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15574+4140 STF1991AC distance=0' 15562+4100 SLW1149 distance=43' 16012+4150 STF2001AB distance=44' 16012+4150 WAL 71AC distance=44' 15523+4129 GRV1212 distance=59' 16025+4219 VKI 24 distance=69' 16032+4213 VKI 25 distance=73' 16032+4215 OSO 67 distance=74' 15583+4019 COU1448 distance=82' 15520+4238 BAR 41DE distance=86' 15520+4238 BAR 41AB distance=86' 15520+4238 BAR 41CA distance=86' 15520+4238 BAR 41CD distance=86' 15510+4228 BU 810 distance=87' 15599+4306 ES 1555 distance=91' 16009+4016 TDS9728 distance=92' 16042+4045 A 1641 distance=94' 16000+4312 SLW1154 distance=97' 15513+4247 CVR1650 distance=97' 15521+4023 HJ 575 distance=97' 16049+4045 COU1275 distance=100' 15572+3959 SKF1757 distance=101' 15499+4247 STF1982 distance=109' 15538+4321 TDS9682 distance=109' 15479+4159 A 1638 distance=109' 15558+4333 LDS4608 distance=114' 15470+4143 HDS2222 distance=117' 15598+4335 CVR1657 distance=119' 15485+4037 HJ 573 distance=119' 16054+4305 SKF 49 distance=122' 16010+4338 ES 1556 distance=125' 16011+3936 AG 200 distance=131' 15462+4228 STT 301 distance=134' 15579+4354 RAO 342 distance=135' 15456+4205 UC 212 distance=135' 16093+4106 KPP3302 distance=138' 16077+4024 UC 3121 distance=140' 16089+4041 TDS9773 distance=142' 15598+4404 JNN 106 distance=147' 15528+3919 TDS9674 distance=151' 15444+4223 GIC 134 distance=152' 16009+3911 STT 304AB distance=155' 16009+3911 WAL 70AC distance=155' 15498+4349 ES 1554 distance=156' 15530+3913 HJ 1280 distance=156' 16014+3910 NVL 1 distance=157' 16086+4003 STF2014AB distance=160' 16086+4003 WAL 72AC distance=160' 15445+4256 GIC 135 distance=163' 16118+4222 STF2024 distance=166' 15484+3931 COU1446AB distance=166' 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 15574+4140 STF1991 AB 195 3.0
Show 15574+4140 STF1991 AC 87 95.0
Show 15562+4100 SLW1149 304 13.2 43
Show 16012+4150 STF2001 AB 168 11.5 44
Show 16012+4150 WAL 71 AC 114 87.7 44
Show 15523+4129 GRV1212 136 20.2 59
Show 16025+4219 VKI 24 310 4.2 69
Show 16032+4213 VKI 25 163 6.1 73
Show 16032+4215 OSO 67 321 26.7 74
Show 15583+4019 COU1448 257 1.1 82
Show 15520+4238 BAR 41 DE 136 4.3 86
Show 15520+4238 BAR 41 AB 151 2.7 86
Show 15520+4238 BAR 41 CA 45 202.0 86
Show 15520+4238 BAR 41 CD 52 66.6 86
Show 15510+4228 BU 810 84 1.6 87
Show 15599+4306 ES 1555 70 2.1 91
Show 16009+4016 TDS9728 192 1.1 92
Show 16042+4045 A 1641 250 2.0 94
Show 16000+4312 SLW1154 330 114.6 97
Show 15513+4247 CVR1650 19 4.6 97
Show 15521+4023 HJ 575 203 14.2 97
Show 16049+4045 COU1275 249 2.0 100
Show 15572+3959 SKF1757 160 1.4 101
Show 15499+4247 STF1982 299 4.8 109
Show 15538+4321 TDS9682 274 0.6 109
Show 15479+4159 A 1638 225 0.3 109
Show 15558+4333 LDS4608 354 93.2 114
Show 15470+4143 HDS2222 141 0.0 117
Show 15598+4335 CVR1657 83 3.3 119
Show 15485+4037 HJ 573 50 14.7 119
Show 16054+4305 SKF 49 201 7.7 122
Show 16010+4338 ES 1556 234 10.9 125
Show 16011+3936 AG 200 217 3.1 131
Show 15462+4228 STT 301 27 4.0 134
Show 15579+4354 RAO 342 338 0.9 135
Show 15456+4205 UC 212 254 60.8 135
Show 16093+4106 KPP3302 275 1.6 138
Show 16077+4024 UC 3121 25 47.7 140
Show 16089+4041 TDS9773 218 1.1 142
Show 15598+4404 JNN 106 283 5.5 147
Show 15528+3919 TDS9674 261 0.6 151
Show 15444+4223 GIC 134 294 8.3 152
Show 16009+3911 STT 304 AB 170 10.6 155
Show 16009+3911 WAL 70 AC 255 73.4 155
Show 15498+4349 ES 1554 3 5.0 156
Show 15530+3913 HJ 1280 1 32.6 156
Show 16014+3910 NVL 1 90 13.9 157
Show 16086+4003 STF2014 AB 91 8.4 160
Show 16086+4003 WAL 72 AC 78 54.4 160
Show 15445+4256 GIC 135 126 12.6 163
Show 16118+4222 STF2024 44 23.6 166

 
 
WDS 15574+4140 : COMPONENTS
 
 
  A B
B pa=191.6°
sep=2.97"
 
C pa=86.4°
sep=71.00"
pa=84.1°
sep=71.83"
 
 
15574+4140 A
 
 
Name HD 143208 Coord arcsec 2000 155726.92+413942.9 Mag 9.45 Spectral class F5 (yellow-white)
PmRA -25.00 PmDE 4.0 SAO 45802 HIP 78146
Tycho2 3057-01538-1 HD 143208 GC 21446 BD BD+42 2653
Tycho2
Tycho2 3057-01538-1 Pflag RAmdeg 239.36207874 DEmdeg 41.66191827
PmRA -22.3 PmDE 2.7 E RAmdeg 13 E DEmdeg 12
E pmRA 1.4 E pmDE 1.3 EpRAm 1990.60 EpDEm 1990.60
Num 6 Q RAmdeg 1.2 Q DEmdeg 1.8 Q pmRA 1.1
Q pmDE 1.9 BTmag 9.970 E BTmag 0.024 VTmag 9.448
E VTmag 0.019 Prox 31 TYC T HIP 78146
CCDM A RAdeg 239.36214806 DEdeg 41.66191222 EpRA 1990 1.65
EpDE 1990 1.63 E RAdeg 12.5 E DEdeg 12.4 Posflg
Corr -0.1
SAO
SAO 45802 DelFlag RA1950 PmRA1950 -0.0017
DE1950 PmDE1950 -0.007 Vmag 9 SpType F5
Double code Source 70 CatNum 21446 DM BD+42 2653
DMcomp BDsup HD 143208 M HD 0
GC 21446 RA1950rad 4.17020452 DE1950rad 0.72962871 PmRA2000 -0.0013
PmDE2000 -0.004
Hipparcos
Catalog H HIP 78146 Proxy H RAhms 15 57 26.92
DEdms +41 39 42.9 Vmag 9.03 VarFlag R Vmag H
RAdeg 239.362 DEdeg 41.6619 AstroRef A Plx 7.33
CCDM 15575+4140 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 196 Rho 3.057 HD 143208 BD BD+42 2653
CD CP Dm number +42 2653 VIred 0.6
SpType F5 R SpType Coord arcsec 2000 155726.92+413942.9
Hipparcos 2
HIP 78146 Sn 15 So 3 Nc 2
RArad 4.1776577711 DErad 0.7271375126 Plx 5.59 PmRA -24.82
PmDE -5.68 E RArad 0.91 E DErad 0.94 E Plx 1.05
E pmRA 1.14 E pmDE 0.94 Hpmag 9.1457 E Hpmag 0.002
SHp 0.022 VA 0 BV 0.535 E BV 0.037
VI 0.61
 
 
15574+4140 B
 
 
Coord arcsec 2000 155726.87+413940.0 Mag 10.41 PmRA -26.00 PmDE 0.0
Calc delta mag 0.96 Calc coord yes
 
 
15574+4140 C
 
 
Coord arcsec 2000 155733.24+413947.4 Mag 8.82 Spectral class F2 (yellow-white) PmRA -25.00
PmDE -6.0 Calc delta mag 0.63 Calc coord yes