11207+2253 STF 1531 (HD 98574)

 
 
11h 20m 43.56s +22° 52' 51.7" P.A. 167.00 sep 23.5 mag 9.35,10.30 Sp G5 dist. 77.64 pc (253.26 l.y.)
 
 
Coord 2000 11207+2253 Discov num STF1531 Comp Coord arcsec 2000 11 20 43.56 +22 52 51.7
Date first 1829 Date last 2017 Obs 27
Pa first 167 Pa last 166.8 P.A. Now (θ) 166.8°
Sep first 23.1 Sep last 23.5 Sep. Now (ρ) 23.5"
Mag pri 9.35 Mag sec 10.30 delta mag (ΔM) 0.95 Spectral class G5 (yellow)
Pri motion ra -037 Sec motion ra -037
Pri motion dec +004 Sec motion dec +001
Notes Z (Parallax indicates components are physical)
rPM=0.081 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 98574 Constellation Leo SAO 81783 HIP 55402
Tycho2 1981-01854-1 Gaia DR2 3991286827268427264 HD 98574 GC 15591
BD BD+23 2336 Distance 77.64 Distance ly 253.26
 
 
WDS 11207+2253 STF 1531 (HD 98574) : 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
11207+2253 STF1531 2006 19 167 23.5 9.35 10.30 G5 ZD 112043.56+225251.7
11207+2253 STF1531 2012 21 167 23.4 9.35 12.90 G5 ZD 112043.56+225251.7
11207+2253 STF1531 2015 23 167 23.4 9.35 10.30 G5 Z 112043.56+225251.7
11207+2253 STF1531 2017 27 167 23.5 9.35 10.30 G5 Z 112043.56+225251.7

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

 
 
WDS 11207+2253 STF 1531 (HD 98574) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11207+2253 STF 1531 (HD 98574) : MEASURES
 
 
No records found.

 
 
WDS 11207+2253 (HD 98574) : VIRTUAL EYEPIECE
 
 

11207+2253 STF1531A mag 9.35 Sp G5 11207+2253 STF1531B sep 23.4 P.A. 167.80 mag 10.3 virtual eyepiece
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Radius:
Components only
 
 
WDS 11207+2253 (HD 98574) : ALADIN DSS IMAGE @ 11h 20m 43.56s +22° 52' 51.7"
 
 
 
 
WDS 11207+2253 STF 1531 (HD 98574) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


11207+2253  STF1531 distance=0' 11213+2300  POU3101 distance=11' 11225+2250  TDS7831 distance=26' 11210+2218  ITF 182AB distance=36' 11210+2218  ITF 182AC distance=36' 11218+2208  LDS4088 distance=47' 11194+2341  AZC  70 distance=52' 11168+2344  POU3099 distance=65' 11160+2253  CVR 600 distance=66' 11246+2331  LDS5205 distance=67' 11208+2402  TDS7805 distance=69' 11236+2353  GRV1273 distance=73' 11219+2140  CVR1361 distance=75' 11148+2257  POU3098 distance=83' 11247+2355  CVR 611 distance=83' 11152+2336  SLW 581 distance=89' 11271+2313  KPP3239 distance=91' 11141+2258  POU3097 distance=91' 11151+2342  AZC  69 distance=93' 11279+2243  GRV 836 distance=100' 11135+2259  CVR1352 distance=101' 11139+2201  BRT2408 distance=108' 11139+2159  CBL  48 distance=110' 11276+2157  AZC  71 distance=111' 11254+2428  POU3102AB distance=115' 11254+2428  WNO  38AC distance=115' 11275+2402  LDS4102 distance=117' 11126+2223  CVR 598 distance=117' 11151+2120  LDS4077AB distance=121' 11151+2120  WNO  36AC distance=121' 11128+2158  ELS   2 distance=123' 11125+2200  CVR1349 distance=126' 11201+2047  SLW 587 distance=127' 11301+2237  A  2484 distance=132' 11207+2510  SLW 588 distance=137' 11245+2037  STF1537 distance=146' 11264+2047  LDS4098 distance=148' 11314+2241  TDS7906 distance=149' 11168+2514  TDS 629 distance=152' 11267+2503  CBL 340 distance=155' 11202+2528  CBL 337 distance=156' 11315+2349  POU3103 distance=158' 11246+2024  CVR 117 distance=159' 11092+2305  COU 294 distance=160' 11274+2042  OSO  41 distance=161' 11265+2031  TOK 546 distance=163' 11137+2506  SHY 567 distance=165' 11100+2138  COU 176 distance=167' 11235+2009  SLW 594 distance=168' 11238+2536  CVR1365AB distance=169' 11230+2007  BRT2411AB distance=169' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 11207+2253 STF1531 167 23.5
Show 11213+2300 POU3101 103 9.2 11
Show 11225+2250 TDS7831 278 0.4 26
Show 11210+2218 ITF 182 AB 64 4.3 36
Show 11210+2218 ITF 182 AC 75 9.6 36
Show 11218+2208 LDS4088 179 40.1 47
Show 11194+2341 AZC 70 353 13.8 52
Show 11168+2344 POU3099 206 5.8 65
Show 11160+2253 CVR 600 240 26.9 66
Show 11246+2331 LDS5205 107 7.2 67
Show 11208+2402 TDS7805 320 0.8 69
Show 11236+2353 GRV1273 209 0.8 73
Show 11219+2140 CVR1361 14 3.9 75
Show 11148+2257 POU3098 128 8.4 83
Show 11247+2355 CVR 611 314 13.2 83
Show 11152+2336 SLW 581 242 140.4 89
Show 11271+2313 KPP3239 211 6.0 91
Show 11141+2258 POU3097 319 11.4 91
Show 11151+2342 AZC 69 104 42.3 93
Show 11279+2243 GRV 836 326 46.0 100
Show 11135+2259 CVR1352 232 3.1 101
Show 11139+2201 BRT2408 342 4.2 108
Show 11139+2159 CBL 48 190 15.5 110
Show 11276+2157 AZC 71 56 12.4 111
Show 11254+2428 POU3102 AB 239 6.0 115
Show 11254+2428 WNO 38 AC 324 11.3 115
Show 11275+2402 LDS4102 185 19.5 117
Show 11126+2223 CVR 598 106 16.9 117
Show 11151+2120 LDS4077 AB 275 11.5 121
Show 11151+2120 WNO 36 AC 58 19.6 121
Show 11128+2158 ELS 2 89 3.7 123
Show 11125+2200 CVR1349 211 4.7 126
Show 11201+2047 SLW 587 86 26.4 127
Show 11301+2237 A 2484 160 0.5 132
Show 11207+2510 SLW 588 309 33.2 137
Show 11245+2037 STF1537 2.0 146
Show 11264+2047 LDS4098 245 18.4 148
Show 11314+2241 TDS7906 244 1.9 149
Show 11168+2514 TDS 629 130 1.3 152
Show 11267+2503 CBL 340 355 12.3 155
Show 11202+2528 CBL 337 116 21.6 156
Show 11315+2349 POU3103 57 9.5 158
Show 11246+2024 CVR 117 33 13.0 159
Show 11092+2305 COU 294 319 1.3 160
Show 11274+2042 OSO 41 127 21.2 161
Show 11265+2031 TOK 546 70 999.9 163
Show 11137+2506 SHY 567 328 999.9 165
Show 11100+2138 COU 176 76 0.8 167
Show 11235+2009 SLW 594 63 8.1 168
Show 11238+2536 CVR1365 AB 84 3.9 169
Show 11230+2007 BRT2411 AB 316 3.1 169

 
 
WDS 11207+2253 : COMPONENTS
 
 
  A
B pa=167.8°
sep=23.41"
 
 
11207+2253 A
 
 
Componente originario normalizzato AB Name HD 98574 Coord arcsec 2000 112043.56+225251.7 Mag 9.35
Spectral class G5 (yellow) PmRA -37.00 PmDE 4.0 SAO 81783
HIP 55402 Tycho2 1981-01854-1 HD 98574 GC 15591
BD BD+23 2336
Tycho2
Tycho2 1981-01854-1 Pflag RAmdeg 170.18150758 DEmdeg 22.88103889
PmRA -39.2 PmDE 4.9 E RAmdeg 9 E DEmdeg 11
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.17 EpDEm 1990.65
Num 4 Q RAmdeg 0.1 Q DEmdeg 0.4 Q pmRA 0.1
Q pmDE 0.4 BTmag 9.966 E BTmag 0.021 VTmag 9.351
E VTmag 0.016 Prox 233 TYC T HIP 55402
CCDM A RAdeg 170.18160361 DEdeg 22.88102750 EpRA 1990 1.88
EpDE 1990 1.73 E RAdeg 8.9 E DEdeg 11.2 Posflg
Corr 0.3
SAO
SAO 81783 DelFlag RA1950 PmRA1950 -0.002
DE1950 PmDE1950 -0.007 Vmag 8.8 SpType G5
Double code Source 70 CatNum 15591 DM BD+23 2336
DMcomp BDsup HD 98574 M HD 0
GC 15591 RA1950rad 2.95869419 DE1950rad 0.40412749 PmRA2000 -0.002
PmDE2000 -0.002
Hipparcos
Catalog H HIP 55402 Proxy RAhms 11 20 43.59
DEdms +22 52 51.7 Vmag 9.28 VarFlag R Vmag H
RAdeg 170.182 DEdeg 22.881 AstroRef A Plx 16.07
CCDM 11207+2253 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual D M HIP
Theta Rho HD 98574 BD BD+23 2336
CD CP Dm number +23 2336 VIred 0.64
SpType G5 R SpType Coord arcsec 2000 112043.59+225251.7
Hipparcos 2
HIP 55402 Sn 95 So 3 Nc 1
RArad 2.9702293498 DErad 0.3993492377 Plx 12.88 PmRA -35.11
PmDE 8.81 E RArad 1.8 E DErad 1.1 E Plx 1.85
E pmRA 2.75 E pmDE 1.36 Hpmag 9.4092 E Hpmag 0.0184
SHp 0.028 VA 0 BV 0.598 E BV 0.022
VI 0.67
CCDM
Ccdm 11207+2253 RComp Comp A Note1
Note2 Discov num DRAs 1.55 DDEs -8.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp G5 PmNote *
PmRA -38 PmDE 7 Dm number +23 2336 Cat1 BD
Name2 +23 1159 Cat2 AGK2/3 HD 98574 M HD
ADS BDS B 5750 M ADS BDS N IDS IDS 11154N2326A
HIC 55402
 
 
11207+2253 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 112043.92+225228.8 Mag 10.3 PmRA -37.00
PmDE 1.0 HIP 55404 Tycho2 1981-01994-1 Calc delta mag 0.95
Calc coord yes
Tycho2
Tycho2 1981-01994-1 Pflag RAmdeg 170.18309956 DEmdeg 22.87472274
PmRA -41.2 PmDE 3.6 E RAmdeg 20 E DEmdeg 26
E pmRA 1.2 E pmDE 1.2 EpRAm 1988.92 EpDEm 1986.46
Num 4 Q RAmdeg 0.3 Q DEmdeg 1.2 Q pmRA 0.3
Q pmDE 1.2 BTmag 11.318 E BTmag 0.050 VTmag 10.296
E VTmag 0.032 Prox 233 TYC T HIP 55404
CCDM B RAdeg 170.18320028 DEdeg 22.87471444 EpRA 1990 1.88
EpDE 1990 1.71 E RAdeg 19.8 E DEdeg 27.1 Posflg P
Corr 0.3
Hipparcos
Catalog H HIP 55404 Proxy RAhms 11 20 43.98
DEdms +22 52 28.9 Vmag 10.52 VarFlag R Vmag H
RAdeg 170.183 DEdeg 22.8747 AstroRef B Plx 14.86
CCDM 11207+2253 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual D M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.71
SpType R SpType Coord arcsec 2000 112043.98+225228.9
Hipparcos 2
HIP 55404 Sn 95 So 3 Nc 1
RArad 2.9702577475 DErad 0.3992389037 Plx 2.84 PmRA -23.37
PmDE 5.41 E RArad 4.65 E DErad 2.89 E Plx 4.43
E pmRA 6.92 E pmDE 3.41 Hpmag 10.5409 E Hpmag 0.0414
SHp 0 VA 0 BV 0.856 E BV 0.055
VI 0.87
CCDM
Ccdm 11207+2253 RComp Comp B Note1
Note2 Discov num STF1531 DRAs DDEs
R dRAs Year 1894 Theta 166 Rho 23.2
Obs 5 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 5750 M ADS BDS N IDS IDS 11154N2326B
HIC 55404