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Doubles in session


Current system
18429+4456
STF 2380
HD 173399


Nearby doubles
20' : 18448+4458
WEB 7

41' : 18450+4422
ES 1424

44' : 18465+4434
DEA 241

45' : 18411+4416
HDS2647

47' : 18454+4418
KOI1820

47' : 18450+4415
TDT1031

47' : 18420+4410
TOI1341

48' : 18395+4425
KPP3332

50' : 18476+4450
KOI 68AB

50' : 18470+4432
DEA 207

51' : 18437+4405
KOI1985

54' : 18432+4402
KOI4005

55' : 18462+4414
KOI4799

55' : 18465+4416
TDT1049

58' : 18447+4550
ES 22AB

59' : 18471+4418
KOI1150

59' : 18462+4408
HDS2662AB

61' : 18428+4355
KOI2486AB

62' : 18485+4513
UC 3679

62' : 18388+4540
KPP 558

63' : 18411+4356
ES 1423

64' : 18481+4423
KOI2385

65' : 18410+4355
KOI3245

66' : 18474+4411
DEA 249

67' : 18473+4409
KOI2593AB

67' : 18486+4429
RAO 512



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.

18429+4456 STF 2380 (HD 173399)

 
 
18h 42m 55.42s +44° 55' 30.9" P.A. 8.00 sep 25.5 mag 7.28,8.70 Sp G8III dist. 138.12 pc (450.55 l.y.)
 
 
Coord 2000 18429+4456 Discov num STF2380 Comp Coord arcsec 2000 18 42 55.42 +44 55 30.9
Date first 1831 Date last 2015 Obs 56
Pa first 10 Pa last 7.6 P.A. Now (θ) 7.6°
Sep first 25.8 Sep last 25.52 Sep. Now (ρ) 25.52"
Mag pri 7.28 Mag sec 8.70 delta mag (ΔM) 1.42 Spectral class G8III (yellow)
Pri motion ra -013 Sec motion ra -012
Pri motion dec -018 Sec motion dec -020
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.096 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 173399 Constellation Lyra SAO 47727 HIP 91782
Tycho2 3130-02982-1 Gaia DR2 2117485191223202560 HD 173399 GC 25623
ADS 11616 DM BD+44 2974 BD BD+44 2973 Distance 138.12
Distance ly 450.55
 
 
WDS 18429+4456 STF 2380 (HD 173399) : NOTES
 
 
discov_num notes refcode
STF2380 B is BD+44@2974.
 
 
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
18429+4456 STF2380 2005 45 8 25.8 7.28 8.70 G8III NZD 184255.42+445530.9
18429+4456 STF2380 2008 47 8 25.6 7.28 8.70 G8III NZD 184255.42+445530.9
18429+4456 STF2380 2012 50 8 25.7 7.28 8.70 G8III NZD 184255.42+445530.9
18429+4456 STF2380 2013 51 8 25.7 7.28 8.70 G8III NZD 184255.42+445530.9
18429+4456 STF2380 2015 52 8 25.5 7.28 8.70 G8III NZ 184255.42+445530.9

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

 
 
WDS 18429+4456 STF 2380 (HD 173399) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18429+4456 STF 2380 (HD 173399) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 14/10/23 theophilusmonk very easy 25.00   6.00     4
 
 
WDS 18429+4456 (HD 173399) : VIRTUAL EYEPIECE
 
 

18429+4456 STF2380A mag 7.28 Sp G8III 18429+4456 STF2380B sep 25.4 P.A. 5.40 mag 8.7 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 18429+4456 (HD 173399) : ALADIN DSS IMAGE @ 18h 42m 55.42s +44° 55' 30.9"
 
 
 
 
WDS 18429+4456 STF 2380 (HD 173399) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18429+4456 STF2380 distance=0' 18448+4458 WEB 7 distance=20' 18450+4422 ES 1424 distance=41' 18465+4434 DEA 241 distance=44' 18411+4416 HDS2647 distance=45' 18454+4418 KOI1820 distance=47' 18450+4415 TDT1031 distance=47' 18420+4410 TOI1341 distance=47' 18395+4425 KPP3332 distance=48' 18476+4450 KOI 68AB distance=50' 18476+4450 KOI 68AC distance=50' 18476+4450 KOI 68AD distance=50' 18470+4432 DEA 207 distance=50' 18437+4405 KOI1985 distance=51' 18432+4402 KOI4005 distance=54' 18462+4414 KOI4799 distance=55' 18465+4416 TDT1049 distance=55' 18447+4550 ES 22AB distance=58' 18447+4550 HJ 1346AC distance=58' 18471+4418 KOI1150 distance=59' 18462+4408 HDS2662AB distance=59' 18462+4408 ARY 54AC distance=59' 18428+4355 KOI2486AB distance=61' 18428+4355 KOI2486AC distance=61' 18485+4513 UC 3679 distance=62' 18388+4540 KPP 558 distance=62' 18411+4356 ES 1423 distance=63' 18481+4423 KOI2385 distance=64' 18410+4355 KOI3245 distance=65' 18474+4411 DEA 249 distance=66' 18473+4409 KOI2593AB distance=67' 18473+4409 KOI2593AC distance=67' 18486+4429 RAO 512 distance=67' 18414+4350 KOI5457 distance=68' 18477+4412 DEA 305 distance=68' 18464+4359 KOI5471 distance=68' 18485+4418 KOI4399AB distance=71' 18485+4418 KOI4399AC distance=71' 18485+4418 KOI4399AD distance=71' 18485+4418 KOI4399Aa,Ab distance=71' 18462+4353 JKA 4 distance=72' 18433+4341 DEA 246 distance=74' 18404+4606 HJ 1339 distance=75' 18499+4444 DEA 443 distance=76' 18451+4608 STF2395AB distance=77' 18451+4608 WAL 94AC distance=77' 18400+4346 BRT1920 distance=77' 18394+4346 DEA 410 distance=79' 18457+4341 DEA 110 distance=80' 18358+4524 UC 3622 distance=81' 18454+4340 KOI6925 distance=81' 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 18429+4456 STF2380 8 25.5
Show 18448+4458 WEB 7 50 11.3 20
Show 18450+4422 ES 1424 90 7.9 41
Show 18465+4434 DEA 241 98 10.6 44
Show 18411+4416 HDS2647 279 0.1 45
Show 18454+4418 KOI1820 180 3.7 47
Show 18450+4415 TDT1031 201 1.6 47
Show 18420+4410 TOI1341 246 10.6 47
Show 18395+4425 KPP3332 297 21.9 48
Show 18476+4450 KOI 68 AB 257 0.7 50
Show 18476+4450 KOI 68 AC 260 2.7 50
Show 18476+4450 KOI 68 AD 356 3.4 50
Show 18470+4432 DEA 207 283 9.7 50
Show 18437+4405 KOI1985 155 2.8 51
Show 18432+4402 KOI4005 236 2.0 54
Show 18462+4414 KOI4799 283 3.5 55
Show 18465+4416 TDT1049 1.3 55
Show 18447+4550 ES 22 AB 133 3.3 58
Show 18447+4550 HJ 1346 AC 216 28.0 58
Show 18471+4418 KOI1150 323 0.4 59
Show 18462+4408 HDS2662 AB 257 0.8 59
Show 18462+4408 ARY 54 AC 47 76.0 59
Show 18428+4355 KOI2486 AB 68 0.2 61
Show 18428+4355 KOI2486 AC 85 6.2 61
Show 18485+4513 UC 3679 313 24.0 62
Show 18388+4540 KPP 558 98 5.2 62
Show 18411+4356 ES 1423 333 5.0 63
Show 18481+4423 KOI2385 337 3.5 64
Show 18410+4355 KOI3245 185 1.5 65
Show 18474+4411 DEA 249 164 11.1 66
Show 18473+4409 KOI2593 AB 321 0.4 67
Show 18473+4409 KOI2593 AC 342 2.9 67
Show 18486+4429 RAO 512 -1 0.2 67
Show 18414+4350 KOI5457 131 1.3 68
Show 18477+4412 DEA 305 141 12.8 68
Show 18464+4359 KOI5471 72 3.5 68
Show 18485+4418 KOI4399 AB 17 2.1 71
Show 18485+4418 KOI4399 AC 359 2.3 71
Show 18485+4418 KOI4399 AD 348 2.7 71
Show 18485+4418 KOI4399 Aa,Ab 347 0.1 71
Show 18462+4353 JKA 4 6 408.1 72
Show 18433+4341 DEA 246 21 10.6 74
Show 18404+4606 HJ 1339 321 23.1 75
Show 18499+4444 DEA 443 36 27.5 76
Show 18451+4608 STF2395 AB 308 8.5 77
Show 18451+4608 WAL 94 AC 170 58.2 77
Show 18400+4346 BRT1920 197 2.9 77
Show 18394+4346 DEA 410 49 21.2 79
Show 18457+4341 DEA 110 37 6.4 80
Show 18358+4524 UC 3622 74 31.8 81
Show 18454+4340 KOI6925 127 2.5 81

 
 
WDS 18429+4456 : COMPONENTS
 
 
  A
B pa=5.4°
sep=25.41"
 
 
18429+4456 A
 
 
Componente originario normalizzato AB Name HD 173399 Coord arcsec 2000 184255.42+445530.9 Mag 7.28
Spectral class G8III (yellow) PmRA -13.00 PmDE -18.0 SAO 47727
HIP 91782 Tycho2 3130-02982-1 HD 173399 GC 25623
ADS 11616 BD BD+44 2973
Tycho2
Tycho2 3130-02982-1 Pflag RAmdeg 280.73091867 DEmdeg 44.92525263
PmRA -12.2 PmDE -21.6 E RAmdeg 5 E DEmdeg 5
E pmRA 0.8 E pmDE 0.9 EpRAm 1991.20 EpDEm 1991.19
Num 12 Q RAmdeg 1.6 Q DEmdeg 1.2 Q pmRA 1.5
Q pmDE 1.1 BTmag 8.291 E BTmag 0.016 VTmag 7.280
E VTmag 0.011 Prox 257 TYC T HIP 91782
CCDM A RAdeg 280.73095806 DEdeg 44.92530306 EpRA 1990 1.76
EpDE 1990 1.62 E RAdeg 4.8 E DEdeg 4.6 Posflg
Corr 0.0
SAO
SAO 47727 DelFlag RA1950 PmRA1950 -0.0025
DE1950 PmDE1950 -0.015 Vmag 7.1 SpType G0
Double code Source 70 CatNum 25623 DM BD+44 2973
DMcomp BDsup HD 173399 M HD 0
GC 25623 RA1950rad 4.89325335 DE1950rad 0.78320834 PmRA2000 -0.002
PmDE2000 -0.016
Hipparcos
Catalog H HIP 91782 Proxy RAhms 18 42 55.43
DEdms +44 55 31.1 Vmag 7.17 VarFlag R Vmag G
RAdeg 280.731 DEdeg 44.9253 AstroRef A Plx 8.09
CCDM 18429+4456 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual B M HIP
Theta Rho HD 173399 BD BD+44 2973
CD CP Dm number +44 2973 VIred 0.89
SpType G5IV R SpType Coord arcsec 2000 184255.43+445531.1
Hipparcos 2
HIP 91782 Sn 95 So 3 Nc 1
RArad 4.8996795528 DErad 0.7840944867 Plx 7.24 PmRA -14.05
PmDE -21.67 E RArad 0.51 E DErad 0.55 E Plx 0.6
E pmRA 0.56 E pmDE 0.73 Hpmag 7.3513 E Hpmag 0.0129
SHp 0.017 VA 0 BV 0.889 E BV 0.011
VI 0.89
CCDM
Ccdm 18429+4456 RComp Comp A Note1
Note2 Discov num DRAs 1.34 DDEs -29.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.3 Sp G0 PmNote *
PmRA -30 PmDE -28 Dm number +44 2973 Cat1 BD
Name2 +44 1521 Cat2 AGK2/3 HD 173399 M HD
ADS BDS A11616 M ADS BDS N IDS IDS 18400N4450A
HIC 91782
 
 
18429+4456 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184255.65+445556.2 Mag 8.7 PmRA -12.00
PmDE -20.0 HIP 91783 Tycho2 3130-02983-1 ADS 11616
BD BD+44 2974 Calc delta mag 1.42 Calc coord yes
Tycho2
Tycho2 3130-02983-1 Pflag RAmdeg 280.73234791 DEmdeg 44.93231566
PmRA -15.5 PmDE -20.2 E RAmdeg 9 E DEmdeg 9
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.03 EpDEm 1990.92
Num 4 Q RAmdeg 1.4 Q DEmdeg 2.4 Q pmRA 1.5
Q pmDE 2.4 BTmag 9.300 E BTmag 0.020 VTmag 8.703
E VTmag 0.015 Prox 257 TYC T HIP 91783
CCDM B RAdeg 280.73239806 DEdeg 44.93236278 EpRA 1990 1.76
EpDE 1990 1.64 E RAdeg 9.3 E DEdeg 8.9 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 91783 Proxy RAhms 18 42 55.78
DEdms +44 55 56.5 Vmag 8.99 VarFlag R Vmag H
RAdeg 280.732 DEdeg 44.9324 AstroRef B Plx 7.39
CCDM 18429+4456 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual B M HIP
Theta Rho HD 173399 BD BD+44 2974
CD CP Dm number +44 2974 VIred 0.49
SpType F2V R SpType Coord arcsec 2000 184255.78+445556.5
Hipparcos 2
HIP 91783 Sn 95 So 3 Nc 1
RArad 4.8997046106 DErad 0.7842178189 Plx 7.25 PmRA -10.66
PmDE -23.14 E RArad 3.15 E DErad 4.09 E Plx 3.78
E pmRA 3.66 E pmDE 6.12 Hpmag 9.0122 E Hpmag 0.044
SHp 0 VA 0 BV 0.424 E BV 0.02
VI 0.49
CCDM
Ccdm 18429+4456 RComp Comp B Note1
Note2 Discov num STF2380 DRAs 1.79 DDEs -3.4
R dRAs 10 Year 1831 Theta 009 Rho 25.8
Obs 11 Vmag 8.8 Sp PmNote *
PmRA -10 PmDE -26 Dm number +44 2974 Cat1 BD
Name2 +44 1522 Cat2 AGK2/3 HD M HD
ADS BDS A11616 M ADS BDS N IDS IDS 18400N4450B
HIC 91783