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Doubles in session


Current system
19018+1232
STF 2432 AC


Nearby doubles
21' : 19018+1253
BPM 929

23' : 19012+1253
J 1279

27' : 19006+1214
HU 678

30' : 19038+1234
J 534

33' : 19037+1255
J 2939

34' : 19037+1250
DAM 134

35' : 19000+1253
STF2426AB

39' : 19002+1303
HU 677

41' : 18597+1206
BPMA 75

42' : 19041+1258
J 2940

48' : 18586+1242
AG 369

49' : 18588+1217
J 2581

53' : 19032+1145
HEI 566

56' : 19050+1302
J 478

56' : 18596+1317
BPM 919

56' : 18584+1214
J 2537

57' : 18591+1149
J 473

57' : 19014+1136
HJ 1359

61' : 19024+1332
BPM 933

66' : 19037+1133
HEI 567AB

68' : 19044+1328
BPM 952

72' : 18577+1312
BPM 909

72' : 18575+1306
BPMA 71

72' : 19048+1135
TDT1214

73' : 19043+1130
J 2163AB

77' : 18591+1338
STF2424AB



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.

19018+1232 STF 2432 AC

 
 
19h 01m 48.60s +12° 32' 27.5" P.A. 160.00 sep 19.4 mag 6.82,13.30 Sp B8IV dist. 227.79 pc (743.05 l.y.)
 
 
Coord 2000 19018+1232 Discov num STF2432 Comp AC Coord arcsec 2000 19 01 48.60 +12 32 27.5
Date first 1904 Date last 2015 Obs 6
Pa first 164 Pa last 160 P.A. Now (θ) 160°
Sep first 20.3 Sep last 19.4 Sep. Now (ρ) 19.4"
Mag pri 6.82 Mag sec 13.30 delta mag (ΔM) 6.48 Spectral class B8IV (blue-white)
Pri motion ra +002 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19018+1232 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 176873 104379 19 01 49 +12 32 28 STF 2432 AB 2016 19 87 14.8 6.82 10.44 3.62
Show 104379 19 01 49 +12 32 28 STF 2432 AC 2015 6 160 19.4 6.82 13.30 6.48 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila SAO 104379 HIP 93438 Tycho2 1048-01243-1
Gaia DR2 4313778226295114880 HD 176873 BD BD+12 3770 Distance 227.79
Distance ly 743.05
 
 
WDS 19018+1232 STF 2432 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
19018+1232 STF2432 AC 1997 2 161 19.6 6.82 13.30 B8IV D 190148.60+123227.5
19018+1232 STF2432 AC 1998 3 161 19.5 6.82 13.30 B8IV D 190148.60+123227.5
19018+1232 STF2432 AC 2001 4 161 20.1 6.82 13.30 B8IV D 190148.60+123227.5
19018+1232 STF2432 AC 2015 5 160 19.4 6.82 13.30 B8IV 190148.60+123227.5

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

 
 
WDS 19018+1232 STF 2432 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19018+1232 STF 2432 AC : MEASURES
 
 
No records found.

 
 
WDS 19018+1232 : VIRTUAL EYEPIECE
 
 

19018+1232 STF2432A mag 6.82 Sp B8IV 19018+1232 STF2432B sep 14.4 P.A. 87.20 mag 10.44 19018+1232 STF2432C sep 19.4 P.A. 160.40 mag 13.3 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 19018+1232 : ALADIN DSS IMAGE @ 19h 01m 48.60s +12° 32' 27.5"
 
 
 
 
WDS 19018+1232 STF 2432 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19018+1232 STF2432AC distance=0' 19018+1253 BPM 929 distance=21' 19012+1253 J 1279 distance=23' 19006+1214 HU 678 distance=27' 19038+1234 J 534 distance=30' 19037+1255 J 2939 distance=33' 19037+1250 DAM 134 distance=34' 19000+1253 STF2426AB distance=35' 19000+1253 STF2426BC distance=35' 19002+1303 HU 677 distance=39' 18597+1206 BPMA 75 distance=41' 19041+1258 J 2940 distance=42' 18586+1242 AG 369 distance=48' 18588+1217 J 2581 distance=49' 19032+1145 HEI 566 distance=53' 19050+1302 J 478 distance=56' 18596+1317 BPM 919 distance=56' 18584+1214 J 2537 distance=56' 18591+1149 J 473 distance=57' 19014+1136 HJ 1359 distance=57' 19024+1332 BPM 933 distance=61' 19037+1133 HEI 567AB distance=66' 19037+1133 GII 63Aa,Ab distance=66' 19037+1133 GII 63AC distance=66' 19044+1328 BPM 952 distance=68' 18577+1312 BPM 909 distance=72' 18575+1306 BPMA 71 distance=72' 19048+1135 TDT1214 distance=72' 19043+1130 J 2163BC distance=73' 19043+1130 J 2163AB distance=73' 18591+1338 STF2424AB distance=77' 18591+1338 STF2424AC distance=77' 19008+1118 BPM 924 distance=77' 19064+1153 BRT1315 distance=79' 18597+1345 BPM 920 distance=80' 19057+1136 BPM 960 distance=80' 19002+1353 BPM 921 distance=84' 18558+1243 BPM 891 distance=89' 18559+1258 BPM 892 distance=91' 18557+1254 COG 1CD distance=92' 18557+1216 BPM 890 distance=92' 18557+1254 COG 1AB distance=92' 18557+1254 COG 1AC distance=92' 18557+1254 ABH 107AE distance=92' 18557+1254 ABH 107AF distance=92' 18557+1254 ABH 107AG distance=92' 19041+1106 AG 371 distance=93' 18562+1145 GRV 243 distance=94' 19054+1352 BU 287AB (Okab) distance=96' 19054+1352 BU 287AC (Okab) distance=96' 19054+1352 POP1225AD (Okab) distance=96' 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 19018+1232 STF2432 AB 87 14.8
Show 19018+1232 STF2432 AC 160 19.4
Show 19018+1253 BPM 929 284 99.7 21
Show 19012+1253 J 1279 348 2.8 23
Show 19006+1214 HU 678 359 2.9 27
Show 19038+1234 J 534 5 4.3 30
Show 19037+1255 J 2939 17 3.8 33
Show 19037+1250 DAM 134 307 7.9 34
Show 19000+1253 STF2426 AB 261 16.5 35
Show 19000+1253 STF2426 BC 173 4.2 35
Show 19002+1303 HU 677 42 1.7 39
Show 18597+1206 BPMA 75 317 275.5 41
Show 19041+1258 J 2940 135 5.6 42
Show 18586+1242 AG 369 229 4.7 48
Show 18588+1217 J 2581 315 7.9 49
Show 19032+1145 HEI 566 41 3.1 53
Show 19050+1302 J 478 348 2.0 56
Show 18596+1317 BPM 919 164 112.8 56
Show 18584+1214 J 2537 7 4.5 56
Show 18591+1149 J 473 161 3.6 57
Show 19014+1136 HJ 1359 201 18.9 57
Show 19024+1332 BPM 933 188 98.8 61
Show 19037+1133 HEI 567 AB 168 2.0 66
Show 19037+1133 GII 63 Aa,Ab 139 0.5 66
Show 19037+1133 GII 63 AC 297 5.3 66
Show 19044+1328 BPM 952 45 113.5 68
Show 18577+1312 BPM 909 229 87.1 72
Show 18575+1306 BPMA 71 61 216.5 72
Show 19048+1135 TDT1214 305 0.7 72
Show 19043+1130 J 2163 BC 273 2.6 73
Show 19043+1130 J 2163 AB 25 52.1 73
Show 18591+1338 STF2424 AB 304 20.8 77
Show 18591+1338 STF2424 AC 272 79.0 77
Show 19008+1118 BPM 924 247 33.1 77
Show 19064+1153 BRT1315 29 3.5 79
Show 18597+1345 BPM 920 130 77.9 80
Show 19057+1136 BPM 960 151 9.0 80
Show 19002+1353 BPM 921 33 116.8 84
Show 18558+1243 BPM 891 213 99.0 89
Show 18559+1258 BPM 892 348 48.7 91
Show 18557+1254 COG 1 CD 316 3.4 92
Show 18557+1216 BPM 890 226 89.8 92
Show 18557+1254 COG 1 AB 284 26.2 92
Show 18557+1254 COG 1 AC 53 38.6 92
Show 18557+1254 ABH 107 AE 58 107.5 92
Show 18557+1254 ABH 107 AF 107 122.5 92
Show 18557+1254 ABH 107 AG 251 97.8 92
Show 19041+1106 AG 371 159 5.6 93
Show 18562+1145 GRV 243 349 32.8 94
Show Okab 19054+1352 BU 287 AB 46 7.4 96
Show Okab 19054+1352 BU 287 AC 75 161.0 96

 
 
WDS 19018+1232 : COMPONENTS
 
 
  A B
B pa=87.2°
sep=14.43"
 
C pa=160.4°
sep=19.35"
pa=202.8°
sep=20.53"
 
 
19018+1232 A
 
 
Name HD 176873 Coord arcsec 2000 190148.60+123227.5 Mag 6.82 Spectral class B8IV (blue-white)
PmRA 2.00 PmDE -11.0 SAO 104379 HIP 93438
Tycho2 1048-01243-1 HD 176873 GC 26163 ADS 11952
BD BD+12 3770
Tycho2
Tycho2 1048-01243-1 Pflag RAmdeg 285.45251338 DEmdeg 12.54094328
PmRA 3.8 PmDE -12.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.50 EpDEm 1991.42
Num 12 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.7 BTmag 6.879 E BTmag 0.015 VTmag 6.818
E VTmag 0.010 Prox 157 TYC T HIP 93438
CCDM A RAdeg 285.45250417 DEdeg 12.54097306 EpRA 1990 1.74
EpDE 1990 1.62 E RAdeg 4.0 E DEdeg 4.3 Posflg
Corr -0.1
SAO
SAO 104379 DelFlag RA1950 PmRA1950 -0.0001
DE1950 PmDE1950 -0.004 Vmag 6.6 SpType B9
Double code Source 70 CatNum 26163 DM BD+12 3770
DMcomp BDsup HD 176873 M HD 0
GC 26163 RA1950rad 4.97193892 DE1950rad 0.21761358 PmRA2000 0
PmDE2000 -0.005
Hipparcos
Catalog H HIP 93438 Proxy RAhms 19 01 48.60
DEdms +12 32 27.5 Vmag 6.83 VarFlag R Vmag H
RAdeg 285.453 DEdeg 12.541 AstroRef A Plx 3.32
CCDM 19018+1232 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 91 Rho 15.656 HD 176873 BD BD+12 3770
CD CP Dm number +12 3770 VIred 0.06
SpType B9 R SpType Coord arcsec 2000 190148.60+123227.5
Hipparcos 2
HIP 93438 Sn 15 So 3 Nc 2
RArad 4.9820860514 DErad 0.2188813135 Plx 4.39 PmRA 2.09
PmDE -11.17 E RArad 0.78 E DErad 0.71 E Plx 1.03
E pmRA 1.06 E pmDE 0.96 Hpmag 6.8524 E Hpmag 0.0052
SHp 0.007 VA 0 BV 0.056 E BV 0.007
VI 0.07
CCDM
Ccdm 19018+1232 RComp Comp A Note1
Note2 Discov num DRAs 0.62 DDEs 28.0
R dRAs 55 Year Theta Rho
Obs 3 Vmag 6.7 Sp B9 PmNote *
PmRA 9 PmDE -11 Dm number +12 3770 Cat1 BD
Name2 +12 2043 Cat2 AGK2/3 HD 176873 M HD
ADS BDS A11952 M ADS BDS N IDS IDS 18572N1224A
HIC 93438
 
 
19018+1232 B
 
 
Coord arcsec 2000 190149.58+123228.2 Mag 10.44 PmRA 2.00 PmDE -11.0
Calc delta mag 3.62 Calc coord yes
CCDM
Ccdm 19018+1232 RComp Comp B Note1
Note2 Discov num STF2432 DRAs 1.62 DDEs 28.5
R dRAs 55 Year 1932 Theta 093 Rho 14.8
Obs 5 Vmag 9.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11952 M ADS BDS N IDS IDS 18572N1224B
HIC
 
 
19018+1232 C
 
 
Coord arcsec 2000 190149.04+123209.3 Mag 13.3 Calc delta mag 6.48 Calc coord yes
CCDM
Ccdm 19018+1232 RComp Comp C Note1
Note2 Discov num STF2432 DRAs DDEs
R dRAs Year 1904 Theta 164 Rho 20.3
Obs 1 Vmag 13.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11952 M ADS BDS N IDS IDS 18572N1224C
HIC