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Doubles in session


Current system
19121+4951
STF 2486 AD


Nearby doubles
10' : 19127+4945
SMA 85

20' : 19101+4948
KOI2199

22' : 19098+4950
DEA 307

24' : 19100+4941
JKA 30

26' : 19103+4933
KOI7455AB

26' : 19104+4931
KOI1781

27' : 19096+5002
SMA 84

27' : 19148+4950
UC 3864

28' : 19148+4943
KOI 434

34' : 19093+4931
DEA 116

34' : 19153+5004
STF2496AB

35' : 19151+5010
KOI1471

36' : 19095+4927
KOI3120

36' : 19157+4946
KOI 541

39' : 19156+5010
KOI4062

42' : 19084+5012
JKA 27

42' : 19085+5015
HDS2713

42' : 19099+4915
RAO 175

42' : 19077+4956
DEA 340

44' : 19161+4932
RAO 94

44' : 19103+4911
KPP3337

44' : 19165+5003
COU2627

46' : 19107+4908
KOI1771

48' : 19122+5039
KOI 141

49' : 19163+4925
KOI7453

50' : 19134+5039
UC 3851



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.

19121+4951 STF 2486 AD

 
 
19h 12m 05.03s +49° 51' 20.7" P.A. 104.00 sep 196.0 mag 6.54,11.12 Sp G3V
 
 
Coord 2000 19121+4951 Discov num STF2486 Comp AD Coord arcsec 2000 19 12 05.03 +49 51 20.7
Date first 1881 Date last 2012 Obs 9
Pa first 78 Pa last 104.1 P.A. Now (θ) 104.1°
Sep first 170.0 Sep last 196 Sep. Now (ρ) 196"
Mag pri 6.54 Mag sec 11.12 delta mag (ΔM) 4.58 Spectral class G3V (yellow)
Pri motion ra -205 Sec motion ra -028
Pri motion dec +624 Sec motion dec -034
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=1.037
This double is not physical.
 
 
19121+4951 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 179958 48192 19 12 05 +49 51 21 STF 2486 AB 2022 326 203 7.0 6.54 6.67 0.13 Y
Show 48192 19 12 05 +49 51 21 STF 2486 AC 2006 6 96 27.2 6.54 13.20 6.66
Show 48192 19 12 05 +49 51 21 STF 2486 AD 2012 9 104 196.0 6.54 11.12 4.58 <===
Show 48192 19 12 05 +49 51 21 HLA 33 AE 2016 2 338 7.3 5.00
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 48192 Tycho2 3550-01848-1 HD 179958
HR 7294 ADS 12169 DM BD+49 2959
 
 
WDS 19121+4951 STF 2486 AD : NOTES
 
 
discov_num notes refcode
STF2486 Mt. Wilson spectral type is G3.
 
 
REFERENCES
 
 
refcode metd author reference
HLA2019 A - Hirsch, L.A., Ciardi, D.R., Howards, A.W., Marcy, G.W., Ruane, G., Gonzalez, E., 2019ApJ...878...50H
HLA2019 Blunt, S., Crepp, J.R., Fulton, B.J., Isaacson, H., Kosiarek, M., Mawet, D.,
HLA2019 Sinukoff, E. & Weiss, L.
HLA2019 ApJ 878, 50, 2019
HLA2021 A Hirsch, L.A., Rosenthal, L., Fulton, B.J., Howard, A.W., Ciardi, D.R., Marcy, G.W., 2021AJ....161..134H
HLA2021 Nielsen, E., Petigura, E.A., de Rosa, R.J., Isaacson, H., Weiss, L.M., Sinukoff, E.
HLA2021 & Macintosh, B.
HLA2021 AJ 161, 134 2021
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
19121+4951 STF2486 AD 2000 6 102 192.9 6.54 11.12 G3V NLD 191205.03+495120.7
19121+4951 STF2486 AD 2006 7 102 195.9 6.54 11.12 G3V NLD 191205.03+495120.7
19121+4951 STF2486 AD 2012 9 104 196.0 6.54 11.12 G3V NLD 191205.03+495120.7

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

 
 
WDS 19121+4951 STF 2486 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19121+4951 STF 2486 AD : MEASURES
 
 
No records found.

 
 
WDS 19121+4951 : VIRTUAL EYEPIECE
 
 

19121+4951 STF2486A mag 6.54 Sp G2V 19121+4951 STF2486B sep 6.7 P.A. 195.20 mag 6.67 Sp G3V 19121+4951 STF2486C sep 17.7 P.A. 99.30 mag 13.2 19121+4951 STF2486D sep 131.6 P.A. 111.30 mag 11.12 19121+4951 HLA 33E sep 6.9 P.A. 345.20 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 19121+4951 : ALADIN DSS IMAGE @ 19h 12m 05.03s +49° 51' 20.7"
 
 
 
 
WDS 19121+4951 STF 2486 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19121+4951 STF2486AD distance=0' 19127+4945 SMA 85 distance=10' 19101+4948 KOI2199 distance=20' 19098+4950 DEA 307 distance=22' 19100+4941 JKA 30 distance=24' 19103+4933 KOI7455AB distance=26' 19103+4933 KOI7455AC distance=26' 19104+4931 KOI1781 distance=26' 19096+5002 SMA 84 distance=27' 19148+4950 UC 3864 distance=27' 19148+4943 KOI 434 distance=28' 19097+4930 RAO 176Aa,Ab distance=32' 19093+4931 DEA 116 distance=34' 19153+5004 STF2496AB distance=34' 19153+5004 STF2496AC distance=34' 19151+5010 KOI1471 distance=35' 19095+4927 KOI3120 distance=36' 19157+4946 KOI 541 distance=36' 19156+5010 KOI4062 distance=39' 19084+5012 JKA 27 distance=42' 19085+5015 HDS2713 distance=42' 19099+4915 RAO 175 distance=42' 19077+4956 DEA 340 distance=42' 19161+4932 RAO 94 distance=44' 19103+4911 KPP3337 distance=44' 19165+5003 COU2627 distance=44' 19107+4908 KOI1771 distance=46' 19122+5039 KOI 141 distance=48' 19163+4925 KOI7453 distance=49' 19134+5039 UC 3851 distance=50' 19095+4907 DEA 382 distance=51' 19069+5005 DEA 149 distance=52' 19136+5039 ES 980 distance=52' 19109+5041 DEA 172 distance=52' 19068+5006 ES 1094 distance=53' 19175+4953 DEA 422 distance=54' 19098+5040 KPP 435 distance=54' 19163+5028 KOI2729 distance=55' 19106+4859 KOI2460 distance=55' 19180+4951 NSN 713 distance=57' 19072+4919 DAE 12AB distance=58' 19072+4919 KOI 1AC distance=58' 19063+4939 JKA 26 distance=58' 19180+4947 DEA 463 distance=59' 19067+5020 RAP 3 distance=60' 19177+5016 DEA 420 distance=61' 19081+4905 A 1390 distance=61' 19059+4939 KOI1831AB distance=62' 19059+4939 KOI1831AC distance=62' 19059+4939 KOI1831AD distance=62' 19062+4926 DSG 2 distance=63' 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 19121+4951 STF2486 AB 203 7.0
Show 19121+4951 STF2486 AC 96 27.2
Show 19121+4951 STF2486 AD 104 196.0
Show 19121+4951 HLA 33 AE 338 7.3
Show 19127+4945 SMA 85 210 30.7 10
Show 19101+4948 KOI2199 53 2.3 20
Show 19098+4950 DEA 307 50 12.9 22
Show 19100+4941 JKA 30 77 61.8 24
Show 19103+4933 KOI7455 AB 306 1.9 26
Show 19103+4933 KOI7455 AC 52 3.3 26
Show 19104+4931 KOI1781 332 3.5 26
Show 19096+5002 SMA 84 48 9.7 27
Show 19148+4950 UC 3864 155 13.3 27
Show 19148+4943 KOI 434 241 3.2 28
Show 19097+4930 RAO 176 Aa,Ab 149 3.6 32
Show 19093+4931 DEA 116 130 6.7 34
Show 19153+5004 STF2496 AB 81 2.1 34
Show 19153+5004 STF2496 AC 242 186.1 34
Show 19151+5010 KOI1471 147 2.3 35
Show 19095+4927 KOI3120 278 1.1 36
Show 19157+4946 KOI 541 247 2.8 36
Show 19156+5010 KOI4062 28 1.5 39
Show 19084+5012 JKA 27 198 91.9 42
Show 19085+5015 HDS2713 193 0.1 42
Show 19099+4915 RAO 175 358 3.3 42
Show 19077+4956 DEA 340 47 14.5 42
Show 19161+4932 RAO 94 259 1.2 44
Show 19103+4911 KPP3337 20 12.1 44
Show 19165+5003 COU2627 22 0.2 44
Show 19107+4908 KOI1771 39 3.6 46
Show 19122+5039 KOI 141 12 1.1 48
Show 19163+4925 KOI7453 20 3.6 49
Show 19134+5039 UC 3851 263 8.6 50
Show 19095+4907 DEA 382 106 18.4 51
Show 19069+5005 DEA 149 324 7.6 52
Show 19136+5039 ES 980 197 5.8 52
Show 19109+5041 DEA 172 49 8.4 52
Show 19068+5006 ES 1094 149 6.2 53
Show 19175+4953 DEA 422 54 23.3 54
Show 19098+5040 KPP 435 225 3.9 54
Show 19163+5028 KOI2729 279 4.0 55
Show 19106+4859 KOI2460 192 2.4 55
Show 19180+4951 NSN 713 83 1.6 57
Show 19072+4919 DAE 12 AB 136 1.1 58
Show 19072+4919 KOI 1 AC 112 6.0 58
Show 19063+4939 JKA 26 264 113.0 58
Show 19180+4947 DEA 463 261 37.8 59
Show 19067+5020 RAP 3 314 0.1 60
Show 19177+5016 DEA 420 3 22.5 61
Show 19081+4905 A 1390 239 1.9 61
Show 19059+4939 KOI1831 AB 313 1.9 62

 
 
WDS 19121+4951 : COMPONENTS
 
 
  A B C D
B pa=195.2°
sep=6.73"
 
C pa=99.3°
sep=17.66"
pa=79.2°
sep=19.54"
 
D pa=111.3°
sep=131.55"
pa=108.4°
sep=131.00"
pa=113.1°
sep=114.33"
 
E pa=345.2°
sep=6.94"
pa=359.9°
sep=13.20"
pa=296.4°
sep=21.45"
pa=293.6°
sep=135.75"
 
 
19121+4951 A
 
 
Name HD 179958 Coord arcsec 2000 191205.03+495120.7 Mag 6.54 Spectral class G2V (yellow)
PmRA -211.00 PmDE 621.0 SAO 48192 HIP 94336
Tycho2 3550-01848-1 HD 179957 HR 7293 GC 26476
BD BD+49 2959
Tycho2
Tycho2 3550-01848-1 Pflag RAmdeg 288.02094699 DEmdeg 49.85575094
PmRA -209.5 PmDE 622.2 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.56 EpDEm 1991.52
Num 9 Q RAmdeg 1.5 Q DEmdeg 0.8 Q pmRA 1.5
Q pmDE 0.7 BTmag 7.266 E BTmag 0.015 VTmag 6.541
E VTmag 0.010 Prox 77 TYC T HIP 94336
CCDM A RAdeg 288.02169694 DEdeg 49.85430417 EpRA 1990 1.69
EpDE 1990 1.63 E RAdeg 3.9 E DEdeg 4.3 Posflg
Corr 0.3
SAO
SAO 48192 DelFlag RA1950 PmRA1950 -0.0196
DE1950 PmDE1950 0.639 Vmag 6.8 SpType G5
Double code Source 70 CatNum 26476 DM BD+49 2959
DMcomp BDsup HD 179957 M HD 0
GC 26476 RA1950rad 5.02124303 DE1950rad 0.86847346 PmRA2000 -0.0196
PmDE2000 0.637
Hipparcos
Catalog H HIP 94336 Proxy H RAhms 19 12 05.22
DEdms +49 51 15.3 Vmag 5.85 VarFlag R Vmag G
RAdeg 288.022 DEdeg 49.8542 AstroRef A Plx 40.16
CCDM 19121+4951 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 208 Rho 7.648 HD 179957 BD BD+49 2959
CD CP Dm number +49 2959 VIred 0.73
SpType G4V+... R SpType Coord arcsec 2000 191205.22+495115.3
Hipparcos 2
HIP 94336 Sn 15 So 3 Nc 2
RArad 5.0269275052 DErad 0.8701206132 Plx 40.9 PmRA -210.2
PmDE 621.79 E RArad 0.55 E DErad 0.49 E Plx 0.58
E pmRA 0.62 E pmDE 0.55 Hpmag 5.9819 E Hpmag 0.0008
SHp 0.009 VA 0 BV 0.666 E BV 0.006
VI 0.73
CCDM
Ccdm 19121+4951 RComp Comp A Note1
Note2 Discov num DRAs -0.98 DDEs 20.5
R dRAs 10 Year Theta Rho
Obs 4 Vmag 6.6 Sp G5 PmNote *
PmRA -225 PmDE 622 Dm number +49 2959 Cat1 BD
Name2 +49 1509 Cat2 AGK2/3 HD 179958 M HD
ADS BDS A12169 M ADS BDS N IDS IDS 19095N4940A
HIC 94336
 
 
19121+4951 B
 
 
Coord arcsec 2000 191204.85+495114.2 Mag 6.67 Spectral class G3V (yellow) PmRA -186.00
PmDE 630.0 HIP 94336 Tycho2 3550-01848-2 Calc delta mag 0.13
Calc coord yes
Tycho2
Tycho2 3550-01848-2 Pflag RAmdeg 288.01949971 DEmdeg 49.85388915
PmRA -184.0 PmDE 629.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.4 EpRAm 1991.47 EpDEm 1991.52
Num 9 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.9
Q pmDE 1.1 BTmag 7.403 E BTmag 0.015 VTmag 6.672
E VTmag 0.010 Prox 77 TYC HIP 94336
CCDM B RAdeg 288.02016361 DEdeg 49.85242778 EpRA 1990 1.62
EpDE 1990 1.64 E RAdeg 4.3 E DEdeg 4.4 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 94336 Proxy H RAhms 19 12 05.22
DEdms +49 51 15.3 Vmag 5.85 VarFlag R Vmag G
RAdeg 288.022 DEdeg 49.8542 AstroRef A Plx 40.16
CCDM 19121+4951 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 208 Rho 7.648 HD 179957 BD BD+49 2959
CD CP Dm number +49 2959 VIred 0.73
SpType G4V+... R SpType Coord arcsec 2000 191205.22+495115.3
Hipparcos 2
HIP 94336 Sn 15 So 3 Nc 2
RArad 5.0269275052 DErad 0.8701206132 Plx 40.9 PmRA -210.2
PmDE 621.79 E RArad 0.55 E DErad 0.49 E Plx 0.58
E pmRA 0.62 E pmDE 0.55 Hpmag 5.9819 E Hpmag 0.0008
SHp 0.009 VA 0 BV 0.666 E BV 0.006
VI 0.73
CCDM
Ccdm 19121+4951 RComp Comp B Note1
Note2 Discov num STF2486 DRAs -1.41 DDEs 13.7
R dRAs 10 Year 1958 Theta 212 Rho 8.2
Obs 99 Vmag 6.8 Sp G5 PmNote *
PmRA -183 PmDE 627 Dm number +49 2959 Cat1 BD
Name2 +49 1508 Cat2 AGK2/3 HD 179957 M HD
ADS BDS A12169 M ADS BDS N N IDS IDS 19095N4940B
HIC 94336
 
 
19121+4951 C
 
 
Coord arcsec 2000 191206.83+495117.9 Mag 13.2 PmRA -18.00 PmDE -7.0
Calc delta mag 6.66 Calc coord yes
CCDM
Ccdm 19121+4951 RComp Comp C Note1
Note2 Discov num STF2486 DRAs DDEs
R dRAs Year 1924 Theta 013 Rho 47.1
Obs 2 Vmag 13.3 Sp G5 PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12169 M ADS BDS N IDS IDS 19095N4940C
HIC
 
 
19121+4951 D
 
 
Coord arcsec 2000 191217.70+495033.0 Mag 11.12 PmRA -28.00 PmDE -34.0
Calc delta mag 4.58 Calc coord yes
CCDM
Ccdm 19121+4951 RComp Comp D Note1
Note2 Discov num STF2486 DRAs DDEs
R dRAs Year 1910 Theta 085 Rho 173.1
Obs 2 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12169 M ADS BDS N IDS IDS 19095N4940D
HIC
 
 
19121+4951 E
 
 
Coord arcsec 2000 191204.85+495127.4 Calc delta mag 6.54 Calc coord yes