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Current system
19197+4422
STF 2507 AC


Nearby doubles
5' : 19202+4422
KOI2982

16' : 19184+4417
JKA 46

19' : 19190+4439
KOI 5AB

21' : 19191+4441
DEA 470

22' : 19199+4403
HJ 1385

23' : 19218+4423
DEA 429AB

24' : 19216+4410
KOI5489

25' : 19176+4431
KOI7047

27' : 19213+4402
KOI 688

29' : 19171+4428
KOI3497

31' : 19224+4412
KOI7012

35' : 19168+4409
KOI1910

35' : 19169+4405
KOI5482AB

36' : 19222+4400
KOI4881

37' : 19185+4457
KOI5570AB

39' : 19229+4405
KOI 521

39' : 19229+4406
KOI1712

41' : 19178+4457
DEA 396

41' : 19230+4402
DEA 253

42' : 19219+4456
KOI2017

42' : 19159+4422
KOI2929AB

42' : 19212+4501
KOI5574AB

42' : 19206+4342
DEA 225

42' : 19233+4409
DEA 259

43' : 19225+4452
KOI 374

43' : 19199+4340
KOI5439



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.

19197+4422 STF 2507 AC

 
 
19h 19m 43.44s +44° 22' 29.2" P.A. 150.00 sep 29.7 mag 8.72,9.98 Sp F8
 
 
Coord 2000 19197+4422 Discov num STF2507 Comp AC Coord arcsec 2000 19 19 43.44 +44 22 29.2
Date first 1831 Date last 2019 Obs 39
Pa first 137 Pa last 149.9 P.A. Now (θ) 149.9°
Sep first 23.9 Sep last 29.664 Sep. Now (ρ) 29.664"
Mag pri 8.72 Mag sec 9.98 delta mag (ΔM) 1.26 Spectral class F8 (yellow-white)
Pri motion ra +004 Sec motion ra +001
Pri motion dec +036 Sec motion dec -005
Notes U (Proper motion indicates non-physical)
rPM=1.135
This double is not physical.
 
 
19197+4422 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 181777 48338 19 19 43 +44 22 29 STF 2507 AB 2015 26 158 25.1 8.72 10.88 2.16
Show 48338 19 19 43 +44 22 29 STF 2507 AC 2019 39 150 29.7 8.72 9.98 1.26 <===
Show 19 19 44 +44 22 07 STF 2507 BC 2015 29 106 6.4 10.88 9.60 1.28
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 48338 Tycho2 3133-00230-1 Gaia DR2 2126933122843445888
HD 181777
 
 
WDS 19197+4422 STF 2507 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
19197+4422 STF2507 AC 2007 22 147 29.3 8.72 9.80 F8 LD 191943.44+442229.2
19197+4422 STF2507 AC 2010 23 148 29.5 8.72 9.80 F8 LD 191943.44+442229.2
19197+4422 STF2507 AC 2011 26 148 29.4 8.72 9.60 F8 LD 191943.44+442229.2
19197+4422 STF2507 AC 2013 28 148 29.3 8.72 9.98 F8 L 191943.44+442229.2
19197+4422 STF2507 AC 2015 31 148 29.5 8.72 9.98 F8 L 191943.44+442229.2
19197+4422 STF2507 AC 2019 39 150 29.7 8.72 9.98 F8 U 191943.44+442229.2

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

 
 
WDS 19197+4422 STF 2507 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19197+4422 STF 2507 AC : MEASURES
 
 
No records found.

 
 
WDS 19197+4422 : VIRTUAL EYEPIECE
 
 

19197+4422 STF2507A mag 8.72 Sp F8 19197+4422 STF2507B sep 24.6 P.A. 156.10 mag 10.88 Sp F2: 19197+4422 STF2507C sep 27.8 P.A. 157.50 mag 9.98 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 19197+4422 : ALADIN DSS IMAGE @ 19h 19m 43.44s +44° 22' 29.2"
 
 
 
 
WDS 19197+4422 STF 2507 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19197+4422 STF2507AC distance=0' 19197+4422 STF2507BC distance=1' 19202+4422 KOI2982 distance=5' 19184+4417 JKA 46 distance=16' 19190+4439 KOI 5AB distance=19' 19190+4439 KOI 5AC distance=19' 19191+4441 DEA 470 distance=21' 19199+4403 HJ 1385 distance=22' 19218+4423 DEA 429AB distance=23' 19218+4423 KOI 689BC distance=24' 19216+4410 KOI5489 distance=24' 19176+4431 KOI7047 distance=25' 19213+4402 KOI 688 distance=27' 19171+4428 KOI3497 distance=29' 19224+4412 KOI7012 distance=31' 19168+4409 KOI1910 distance=35' 19169+4405 KOI5482AB distance=35' 19169+4405 KOI5482AC distance=35' 19222+4400 KOI4881 distance=36' 19185+4457 KOI5570AB distance=37' 19185+4457 KOI5570AC distance=37' 19229+4405 KOI 521 distance=39' 19229+4406 KOI1712 distance=39' 19178+4457 DEA 396 distance=41' 19230+4402 DEA 253 distance=41' 19219+4456 KOI2017 distance=42' 19159+4422 KOI2929AB distance=42' 19159+4422 KOI2929AC distance=42' 19212+4501 KOI5574AB distance=42' 19212+4501 KOI5574AC distance=42' 19206+4342 DEA 225 distance=42' 19233+4409 DEA 259 distance=42' 19225+4452 KOI 374 distance=43' 19199+4340 KOI5439 distance=43' 19199+4339 JKA 51 distance=44' 19187+4340 DEA 281 distance=44' 19159+4437 KOI1792AB distance=44' 19159+4437 KOI1792AC distance=44' 19161+4407 COU2520 distance=44' 19209+4340 KOI6930 distance=45' 19157+4438 KOI5542 distance=46' 19215+4505 DEA 198 distance=48' 19239+4440 JKA 56 distance=48' 19186+4335 KOI2861 distance=50' 19192+4333 DEA 302 distance=50' 19161+4453 KOI7596 distance=50' 19175+4507 DEA 324 distance=51' 19197+4331 KOI6920 distance=52' 19197+4330 KOI4227AB distance=53' 19197+4330 KOI4227AC distance=53' 19155+4450 KOI2865 distance=53' 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 19197+4422 STF2507 AB 158 25.1
Show 19197+4422 STF2507 AC 150 29.7
Show 19197+4422 STF2507 BC 106 6.4 1
Show 19202+4422 KOI2982 17 3.0 5
Show 19184+4417 JKA 46 46 52.7 16
Show 19190+4439 KOI 5 AB 142 0.0 19
Show 19190+4439 KOI 5 AC 320 0.1 19
Show 19191+4441 DEA 470 16 39.6 21
Show 19199+4403 HJ 1385 214 5.4 22
Show 19218+4423 DEA 429 AB 76 24.7 23
Show 19218+4423 KOI 689 BC 212 3.9 24
Show 19216+4410 KOI5489 152 3.1 24
Show 19176+4431 KOI7047 274 3.9 25
Show 19213+4402 KOI 688 141 1.7 27
Show 19171+4428 KOI3497 174 0.8 29
Show 19224+4412 KOI7012 346 3.2 31
Show 19168+4409 KOI1910 174 2.1 35
Show 19169+4405 KOI5482 AB 270 0.6 35
Show 19169+4405 KOI5482 AC 116 3.8 35
Show 19222+4400 KOI4881 32 3.3 36
Show 19185+4457 KOI5570 AB 213 0.1 37
Show 19185+4457 KOI5570 AC 237 2.0 37
Show 19229+4405 KOI 521 153 3.3 39
Show 19229+4406 KOI1712 333 3.3 39
Show 19178+4457 DEA 396 40 20.1 41
Show 19230+4402 DEA 253 313 10.8 41
Show 19219+4456 KOI2017 300 3.1 42
Show 19159+4422 KOI2929 AB 290 2.3 42
Show 19159+4422 KOI2929 AC 117 2.8 42
Show 19212+4501 KOI5574 AB 297 2.9 42
Show 19212+4501 KOI5574 AC 219 1.8 42
Show 19206+4342 DEA 225 211 10.0 42
Show 19233+4409 DEA 259 57 11.0 42
Show 19225+4452 KOI 374 88 1.8 43
Show 19199+4340 KOI5439 291 2.9 43
Show 19199+4339 JKA 51 287 44.5 44
Show 19187+4340 DEA 281 182 11.5 44
Show 19159+4437 KOI1792 AB 283 0.5 44
Show 19159+4437 KOI1792 AC 115 1.9 44
Show 19161+4407 COU2520 234 0.9 44
Show 19209+4340 KOI6930 316 2.9 45
Show 19157+4438 KOI5542 2.6 46
Show 19215+4505 DEA 198 283 9.2 48
Show 19239+4440 JKA 56 250 221.9 48
Show 19186+4335 KOI2861 8 3.8 50
Show 19192+4333 DEA 302 214 13.1 50
Show 19161+4453 KOI7596 278 3.1 50
Show 19175+4507 DEA 324 39 14.2 51
Show 19197+4331 KOI6920 238 3.1 52
Show 19197+4330 KOI4227 AB 112 2.9 53
Show 19197+4330 KOI4227 AC 207 3.6 53

 
 
WDS 19197+4422 : COMPONENTS
 
 
  A B
B pa=156.1°
sep=24.61"
 
C pa=157.5°
sep=27.78"
pa=168.2°
sep=3.23"
 
 
19197+4422 A
 
 
Name HD 181777 Coord arcsec 2000 191943.44+442229.2 Mag 8.72 Spectral class F8 (yellow-white)
PmRA 4.00 PmDE 36.0 SAO 48338 Tycho2 3133-00230-1
HD 181777 GC 26678 DM BD+44 3107
Tycho2
Tycho2 3133-00230-1 Pflag RAmdeg 289.93103764 DEmdeg 44.37479731
PmRA 2.7 PmDE 36.1 E RAmdeg 8 E DEmdeg 8
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.66 EpDEm 1990.77
Num 9 Q RAmdeg 0.9 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 9.276 E BTmag 0.018 VTmag 8.719
E VTmag 0.014 Prox 244 TYC T HIP
CCDM RAdeg 289.93102944 DEdeg 44.37471361 EpRA 1990 1.61
EpDE 1990 1.68 E RAdeg 7.8 E DEdeg 8.1 Posflg
Corr 0.0
SAO
SAO 48338 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.062 Vmag 8.4 SpType F8
Double code Source 70 CatNum 26678 DM BD+44 3107
DMcomp BDsup HD 181777 M HD 0
GC 26678 RA1950rad 5.05353445 DE1950rad 0.77284208 PmRA2000 0.0007
PmDE2000 0.061
CCDM
Ccdm 19197+4422 RComp Comp A Note1
Note2 Discov num DRAs 1.41 DDEs 29.8
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.3 Sp F8 PmNote *
PmRA -2 PmDE 49 Dm number +44 3107 Cat1 BD
Name2 +44 1592 Cat2 AGK2/3 HD 181777 M HD
ADS BDS A12331 M ADS BDS N IDS IDS 19166N4411A
HIC
 
 
19197+4422 B
 
 
Coord arcsec 2000 191944.37+442206.7 Coord calc 191944.37+442206.7 Mag 10.88 Spectral class F2: (yellow-white)
PmRA -9.00 PmDE -2.0 Tycho2 3133-02687-1 Calc delta mag 2.16
Tycho2
Tycho2 3133-02687-1 Pflag RAmdeg 289.93489574 DEmdeg 44.36851579
PmRA -4.8 PmDE -3.5 E RAmdeg 54 E DEmdeg 57
E pmRA 1.7 E pmDE 1.7 EpRAm 1980.40 EpDEm 1977.25
Num 3 Q RAmdeg 0.5 Q DEmdeg 0.0 Q pmRA 0.5
Q pmDE 0.0 BTmag 11.496 E BTmag 0.074 VTmag 10.881
E VTmag 0.069 Prox 244 TYC T HIP
CCDM RAdeg 289.93491139 DEdeg 44.36852389 EpRA 1990 1.62
EpDE 1990 1.68 E RAdeg 57.0 E DEdeg 61.6 Posflg D
Corr 0.0
CCDM
Ccdm 19197+4422 RComp Comp B Note1
Note2 Discov num STF2507 DRAs 2.44 DDEs 5.8
R dRAs 10 Year 1922 Theta 154 Rho 22.5
Obs 3 Vmag 11.0 Sp PmNote *
PmRA 7 PmDE -15 Dm number Cat1
Name2 +44 1593 Cat2 AGK2/3 HD M HD
ADS BDS A12331 M ADS BDS N IDS IDS 19166N4411B
HIC
 
 
19197+4422 C
 
 
Coord arcsec 2000 191944.43+442203.5 Mag 9.98 PmRA 1.00 PmDE -5.0
Calc delta mag 1.26 Calc coord yes
CCDM
Ccdm 19197+4422 RComp Comp C Note1
Note2 Discov num STF2507 DRAs 2.91 DDEs 5.8
R dRAs 10 Year 1922 Theta 143 Rho 26.9
Obs 8 Vmag 9.6 Sp PmNote *
PmRA 0 PmDE 17 Dm number Cat1
Name2 +44 1594 Cat2 AGK2/3 HD M HD
ADS BDS A12331 M ADS BDS N IDS IDS 19166N4411C
HIC