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Doubles in session


Current system
19078+3856
STF 2469 AB
HD 178661


Nearby doubles
6' : 19074+3850
ES 2034

14' : 19089+3852
KOI 387AB

19' : 19083+3912
DEA 379

23' : 19093+3842
KOI4995

24' : 19094+3843
KOI 975AB

24' : 19098+3849
ES 2035

25' : 19093+3912
FMR 144AB

26' : 19095+3839
KOI 118

26' : 19084+3831
ALI 880

26' : 19067+3832
DEA 138

28' : 19086+3831
ALI 881

28' : 19092+3917
KOI2210

28' : 19082+3829
COU1936AB

28' : 19090+3920
KOI2311AB

28' : 19056+3844
KOI1901

29' : 19088+3830
KOI3075AB

29' : 19087+3923
KOI 28

30' : 19102+3904
TDT1272

30' : 19059+3916
KOI2117

32' : 19087+3826
KOI3635

33' : 19093+3828
DEA 256

34' : 19053+3838
DEA 178

35' : 19058+3831
STF2456AB

36' : 19108+3853
KOI 805

36' : 19051+3840
KPP 433

36' : 19056+3920
KOI2190



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.

19078+3856 STF 2469 AB (HD 178661)

 
 
19h 07m 47.60s +38° 55' 41.6" P.A. 126.00 sep 1.3 mag 7.93,9.13 Sp A3 dist. 139.08 pc (453.68 l.y.)
 
 
Coord 2000 19078+3856 Discov num STF2469 Comp AB Coord arcsec 2000 19 07 47.60 +38 55 41.6
Date first 1831 Date last 2015 Obs 54
Pa first 121 Pa last 126.3 P.A. Now (θ) 126.3°
Sep first 1.3 Sep last 1.27 Sep. Now (ρ) 1.27"
Mag pri 7.93 Mag sec 9.13 delta mag (ΔM) 1.2 Spectral class A3 (white)
Pri motion ra +009 Sec motion ra +009
Pri motion dec -003 Sec motion dec -003
Notes N (See Notes)
Nature of this double is uncertain.
 
 
19078+3856 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 178661 67846 19 07 48 +38 55 42 STF 2469 AB 2015 54 126 1.3 7.93 9.13 1.20 <===
Show 67846 19 07 48 +38 55 42 POP 1226 AC 2015 5 163 37.4 7.93 12.38 4.45
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 178661 Constellation Lyra SAO 67846 HIP 93954
Tycho2 3120-00305-1 Gaia DR2 2100370438038325760 HD 178661 GC 26361
BD BD+38 3441 Distance 139.08 Distance ly 453.68
 
 
WDS 19078+3856 STF 2469 AB (HD 178661) : NOTES
 
 
discov_num notes refcode
STF2469 A is a spectroscopic binary and Algol-type eclipsing binary, period
1.5403d. Zas2010
 
 
REFERENCES
 
 
refcode metd author reference
Zas2010 - Zasche, P. ...................
Zas2010 private communication, 2010
 
 
DISCOVERER
 
 
idgroup discov author
1 POP Popovic, G.M.
130 POP Popovic, G.M. (Cvetkovic, Z., Pavlovic, R., Strigachev, A., Novakovic, B., &
130 POP Popovic, G.M.)
131 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19078+3856 STF2469 AB 2005 48 125 1.2 7.93 9.13 A3 N D 190747.60+385541.6
19078+3856 STF2469 AB 2010 51 125 1.3 7.93 9.13 A3 N D 190747.60+385541.6
19078+3856 STF2469 AB 2015 53 126 1.3 7.93 9.13 A3 N 190747.60+385541.6

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

 
 
WDS 19078+3856 STF 2469 AB (HD 178661) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19078+3856 STF 2469 AB (HD 178661) : MEASURES
 
 
No records found.

 
 
WDS 19078+3856 (HD 178661) : VIRTUAL EYEPIECE
 
 

19078+3856 STF2469A mag 7.93 Sp A3 19078+3856 STF2469B sep 1.1 P.A. 133.40 mag 9.13 19078+3856 POP1226C sep 36.8 P.A. 166.20 mag 12.38 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 19078+3856 (HD 178661) : ALADIN DSS IMAGE @ 19h 07m 47.60s +38° 55' 41.6"
 
 
 
 
WDS 19078+3856 STF 2469 AB (HD 178661) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19078+3856 STF2469AB distance=0' 19074+3850 ES 2034 distance=6' 19089+3852 KOI 387AB distance=14' 19089+3852 KOI 387AC distance=14' 19089+3852 KOI 387AD distance=14' 19083+3912 DEA 379 distance=19' 19093+3842 KOI4995 distance=23' 19094+3843 KOI 975AB distance=24' 19094+3843 KOI 975AC distance=24' 19094+3843 KOI 975AD distance=24' 19098+3849 ES 2035 distance=24' 19093+3912 FMR 144AB distance=25' 19093+3912 JOD 17Aa,Ab distance=25' 19095+3839 KOI 118 distance=26' 19084+3831 ALI 880 distance=26' 19067+3832 DEA 138 distance=26' 19086+3831 ALI 881 distance=28' 19092+3917 KOI2210 distance=28' 19082+3829 COU1936AB distance=28' 19082+3829 FYM 28AD distance=28' 19082+3829 COU1936AC distance=28' 19090+3920 KOI2311AB distance=28' 19090+3920 KOI2311AC distance=28' 19056+3844 KOI1901 distance=28' 19088+3830 KOI3075AB distance=29' 19087+3923 KOI 28 distance=29' 19102+3904 TDT1272 distance=30' 19059+3916 KOI2117 distance=30' 19087+3826 KOI3635 distance=32' 19093+3828 DEA 256 distance=33' 19053+3838 DEA 178 distance=34' 19058+3831 STH 5BE distance=35' 19058+3831 STF2456BC distance=35' 19058+3831 STF2456BD distance=35' 19058+3831 STF2456AB distance=35' 19058+3831 STF2456AC distance=35' 19108+3853 KOI 805 distance=36' 19051+3840 KPP 433 distance=36' 19056+3920 KOI2190 distance=36' 19062+3824 KOI1830 distance=37' 19066+3929 KOI 244AB distance=37' 19066+3929 KOI 244AC distance=37' 19076+3819 KOI2314 distance=37' 19080+3817 DEA 321 distance=38' 19045+3847 KOI3418 distance=40' 19105+3832 RAO 154 distance=40' 19111+3847 STF2481AD distance=40' 19111+3847 STF2481A,BC distance=40' 19111+3847 STF2481Aa,Ab distance=40' 19111+3847 SE 2BC distance=40' 19093+3932 KOI3168 distance=41' 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 19078+3856 STF2469 AB 126 1.3
Show 19078+3856 POP1226 AC 163 37.4
Show 19074+3850 ES 2034 68 6.4 6
Show 19089+3852 KOI 387 AB 352 1.0 14
Show 19089+3852 KOI 387 AC 29 0.7 14
Show 19089+3852 KOI 387 AD 223 1.9 14
Show 19083+3912 DEA 379 67 18.0 19
Show 19093+3842 KOI4995 257 1.7 23
Show 19094+3843 KOI 975 AB 130 0.8 24
Show 19094+3843 KOI 975 AC 127 1.1 24
Show 19094+3843 KOI 975 AD 182 6.2 24
Show 19098+3849 ES 2035 173 3.1 24
Show 19093+3912 FMR 144 AB 116 162.6 25
Show 19093+3912 JOD 17 Aa,Ab 163 0.3 25
Show 19095+3839 KOI 118 212 1.5 26
Show 19084+3831 ALI 880 62 6.7 26
Show 19067+3832 DEA 138 246 7.3 26
Show 19086+3831 ALI 881 268 14.7 28
Show 19092+3917 KOI2210 92 3.3 28
Show 19082+3829 COU1936 AB 124 0.6 28
Show 19082+3829 FYM 28 AD 13 79.3 28
Show 19082+3829 COU1936 AC 26 25.4 28
Show 19090+3920 KOI2311 AB 336 0.2 28
Show 19090+3920 KOI2311 AC 69 1.0 28
Show 19056+3844 KOI1901 105 3.8 28
Show 19088+3830 KOI3075 AB 52 4.4 29
Show 19087+3923 KOI 28 23 0.6 29
Show 19102+3904 TDT1272 24 0.6 30
Show 19059+3916 KOI2117 111 0.3 30
Show 19087+3826 KOI3635 329 1.5 32
Show 19093+3828 DEA 256 60 10.8 33
Show 19053+3838 DEA 178 201 8.7 34
Show 19058+3831 STH 5 BE 358 26.3 35
Show 19058+3831 STF2456 BC 124 31.7 35
Show 19058+3831 STF2456 BD 9 69.8 35
Show 19058+3831 STF2456 AB 341 17.4 35
Show 19058+3831 STF2456 AC 93 20.8 35
Show 19108+3853 KOI 805 89 2.0 36
Show 19051+3840 KPP 433 200 3.1 36
Show 19056+3920 KOI2190 260 3.6 36
Show 19062+3824 KOI1830 319 0.5 37
Show 19066+3929 KOI 244 AB 290 8.4 37
Show 19066+3929 KOI 244 AC 103 8.4 37
Show 19076+3819 KOI2314 201 4.1 37
Show 19080+3817 DEA 321 47 13.2 38
Show 19045+3847 KOI3418 43 1.1 40
Show 19105+3832 RAO 154 215 1.2 40
Show 19111+3847 STF2481 AD 28 230.0 40
Show 19111+3847 STF2481 A,BC 18 4.7 40
Show 19111+3847 STF2481 Aa,Ab 30 0.0 40
Show 19111+3847 SE 2 BC 21 0.1 40

 
 
WDS 19078+3856 : COMPONENTS
 
 
  A B
B pa=133.4°
sep=1.10"
 
C pa=166.2°
sep=36.75"
pa=167.2°
sep=35.83"
 
 
19078+3856 A
 
 
Name HD 178661 Coord arcsec 2000 190747.60+385541.6 Mag 7.93 Spectral class A3 (white)
PmRA 9.00 PmDE -3.0 SAO 67846 HIP 93954
Tycho2 3120-00305-1 HD 178661 GC 26361 BD BD+38 3441
Tycho2
Tycho2 3120-00305-1 Pflag P RAmdeg 286.94840107 DEmdeg 38.92817903
PmRA 8.5 PmDE -3.3 E RAmdeg 5 E DEmdeg 5
E pmRA 2.4 E pmDE 2.2 EpRAm 1991.43 EpDEm 1991.45
Num 5 Q RAmdeg 2.4 Q DEmdeg 2.8 Q pmRA 2.5
Q pmDE 2.8 BTmag 8.133 E BTmag 0.016 VTmag 7.928
E VTmag 0.012 Prox 13 TYC T HIP 93954
CCDM A RAdeg 286.94832722 DEdeg 38.92821528 EpRA 1990 1.51
EpDE 1990 1.54 E RAdeg 5.4 E DEdeg 5.3 Posflg D
Corr 0.1
SAO
SAO 67846 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 0.01 Vmag 7.5 SpType A3
Double code Source 70 CatNum 26361 DM BD+38 3441
DMcomp BDsup HD 178661 M HD 0
GC 26361 RA1950rad 5.00076042 DE1950rad 0.67802614 PmRA2000 0.0013
PmDE2000 0.01
Hipparcos
Catalog H HIP 93954 Proxy H RAhms 19 07 47.60
DEdms +38 55 41.6 Vmag 7.61 VarFlag R Vmag G
RAdeg 286.948 DEdeg 38.9282 AstroRef A Plx 7.76
CCDM 19078+3856 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 125 Rho 1.313 HD 178661 BD BD+38 3441
CD CP Dm number +38 3441 VIred 0.29
SpType A3 R SpType Coord arcsec 2000 190747.60+385541.6
Hipparcos 2
HIP 93954 Sn 15 So 3 Nc 2
RArad 5.0081930127 DErad 0.6794255523 Plx 7.19 PmRA 10.98
PmDE 3.51 E RArad 0.49 E DErad 0.57 E Plx 0.64
E pmRA 0.53 E pmDE 0.69 Hpmag 7.6687 E Hpmag 0.0012
SHp 0.012 VA 0 BV 0.26 E BV 0.015
VI 0.29
CCDM
Ccdm 19078+3856 RComp Comp A Note1
Note2 Discov num DRAs -0.39 DDEs -18.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp A3 PmNote *
PmRA -3 PmDE -10 Dm number +38 3441 Cat1 BD
Name2 +38 1792 Cat2 AGK2/3 HD 178661 M HD
ADS BDS A12075 M ADS BDS N IDS IDS 19044N3846A
HIC 93954
 
 
19078+3856 B
 
 
Coord arcsec 2000 190747.67+385540.8 Mag 9.13 PmRA 9.00 PmDE -3.0
Tycho2 3120-00305-2 Calc delta mag 1.2 Calc coord yes
Tycho2
Tycho2 3120-00305-2 Pflag P RAmdeg 286.94840107 DEmdeg 38.92817903
PmRA 8.5 PmDE -3.3 E RAmdeg 5 E DEmdeg 5
E pmRA 2.4 E pmDE 2.2 EpRAm 1991.43 EpDEm 1991.45
Num 5 Q RAmdeg 2.4 Q DEmdeg 2.8 Q pmRA 2.5
Q pmDE 2.8 BTmag 9.626 E BTmag 0.024 VTmag 9.134
E VTmag 0.019 Prox 13 TYC HIP 93954
CCDM B RAdeg 286.94870861 DEdeg 38.92799194 EpRA 1990 1.49
EpDE 1990 1.53 E RAdeg 12.1 E DEdeg 12.0 Posflg D
Corr 0.1
CCDM
Ccdm 19078+3856 RComp Comp B Note1
Note2 Discov num STF2469 DRAs DDEs
R dRAs Year 1831 Theta 123 Rho 1.4
Obs 16 Vmag 8.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12075 M ADS BDS N IDS IDS 19044N3846B
HIC 93954
 
 
19078+3856 C
 
 
Coord arcsec 2000 190748.35+385505.9 Mag 12.38 PmRA 10.00 PmDE 4.0
Calc delta mag 4.45 Calc coord yes