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Current system
19000+1253
STF 2426 BC


Nearby doubles
11' : 19002+1303
HU 677

19' : 19012+1253
J 1279

23' : 18586+1242
AG 369

25' : 18596+1317
BPM 919

27' : 19018+1253
BPM 929

35' : 19018+1232
STF2432AB

38' : 18577+1312
BPM 909

39' : 18575+1306
BPMA 71

41' : 19006+1214
HU 678

42' : 18588+1217
J 2581

46' : 18591+1338
STF2424AB

48' : 18584+1214
J 2537

48' : 18597+1206
BPMA 75

52' : 18597+1345
BPM 920

53' : 19024+1332
BPM 933

54' : 19037+1255
J 2939

56' : 19037+1250
DAM 134

60' : 19038+1234
J 534

60' : 18559+1258
BPM 892

60' : 19002+1353
BPM 921

61' : 19041+1258
J 2940

62' : 18558+1243
BPM 891

62' : 18557+1254
COG 1AB

68' : 18591+1149
J 473

70' : 18553+1304
BPMA 69

74' : 19044+1328
BPM 952



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Triple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19000+1253 STF 2426 BC

 
 
18h 59m 57.64s +12° 53' 21.4" P.A. 173.00 sep 4.2 mag 8.96,13.50 Sp F dist. 62.54 pc (204.01 l.y.)
 
 
Coord 2000 19000+1253 Discov num STF2426 Comp BC Coord arcsec 2000 18 59 57.64 +12 53 21.4
Date first 1902 Date last 2015 Obs 9
Pa first 167 Pa last 172.5 P.A. Now (θ) 172.5°
Sep first 4.0 Sep last 4.18 Sep. Now (ρ) 4.18"
Mag pri 8.96 Mag sec 13.50 delta mag (ΔM) 4.54 Spectral class F (yellow-white)
Pri motion ra +002 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19000+1253 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 176486 104332 18 59 59 +12 53 24 STF 2426 AB 2019 69 261 16.5 7.45 8.96 1.51
Show 18 59 58 +12 53 21 STF 2426 BC 2015 9 173 4.2 8.96 13.50 4.54 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila HIP 93268 Tycho2 1047-03220-1 Gaia DR2 4506002030248732800
HD 176485 Distance 62.54 Distance ly 204.01
 
 
WDS 19000+1253 STF 2426 BC : 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
19000+1253 STF2426 BC 2005 5 182 2.5 8.96 13.50 185957.64+125321.4
19000+1253 STF2426 BC 2006 6 176 4.7 8.96 13.50 185957.64+125321.4
19000+1253 STF2426 BC 2015 7 173 4.2 8.96 13.50 F 185957.64+125321.4

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

 
 
WDS 19000+1253 STF 2426 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19000+1253 STF 2426 BC : MEASURES
 
 
No records found.

 
 
WDS 19000+1253 : VIRTUAL EYEPIECE
 
 

19000+1253 STF2426A mag 7.45 Sp A5V 19000+1253 STF2426B sep 16.6 P.A. 260.60 mag 8.96 Sp F 19000+1253 STF2426C sep 17.3 P.A. 246.60 mag 13.5 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 19000+1253 : ALADIN DSS IMAGE @ 18h 59m 57.64s +12° 53' 21.4"
 
 
 
 
WDS 19000+1253 STF 2426 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19000+1253 STF2426BC distance=1' 19000+1253 STF2426AB distance=1' 19002+1303 HU 677 distance=11' 19012+1253 J 1279 distance=19' 18586+1242 AG 369 distance=23' 18596+1317 BPM 919 distance=25' 19018+1253 BPM 929 distance=27' 19018+1232 STF2432AB distance=35' 19018+1232 STF2432AC distance=35' 18577+1312 BPM 909 distance=38' 18575+1306 BPMA 71 distance=39' 19006+1214 HU 678 distance=41' 18588+1217 J 2581 distance=42' 18591+1338 STF2424AB distance=46' 18591+1338 STF2424AC distance=46' 18584+1214 J 2537 distance=48' 18597+1206 BPMA 75 distance=48' 18597+1345 BPM 920 distance=52' 19024+1332 BPM 933 distance=53' 19037+1255 J 2939 distance=54' 19037+1250 DAM 134 distance=56' 19038+1234 J 534 distance=60' 18559+1258 BPM 892 distance=60' 19002+1353 BPM 921 distance=60' 19041+1258 J 2940 distance=61' 18557+1254 COG 1CD distance=62' 18558+1243 BPM 891 distance=62' 18557+1254 COG 1AB distance=62' 18557+1254 COG 1AC distance=62' 18557+1254 ABH 107AE distance=62' 18557+1254 ABH 107AF distance=62' 18557+1254 ABH 107AG distance=62' 18591+1149 J 473 distance=68' 18553+1304 BPMA 69 distance=70' 19044+1328 BPM 952 distance=74' 18557+1216 BPM 890 distance=74' 18563+1344 BPM 895 distance=74' 19050+1302 J 478 distance=74' 18548+1300 J 532 distance=75' 18554+1331 BU 647AB distance=77' 18554+1331 BU 647AC distance=77' 18554+1331 FOX9032AD distance=77' 18553+1217 HEI 564 distance=78' 19014+1136 HJ 1359 distance=80' 19032+1145 HEI 566 distance=84' 18542+1304 HDS2679 distance=86' 18562+1145 GRV 243 distance=87' 18595+1420 BPMA 74 distance=87' 18556+1154 J 3273 distance=89' 18560+1147 BPM 893 distance=89' 18541+1319 J 1837 distance=90' 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 19000+1253 STF2426 BC 173 4.2 1
Show 19000+1253 STF2426 AB 261 16.5 1
Show 19002+1303 HU 677 42 1.7 11
Show 19012+1253 J 1279 348 2.8 19
Show 18586+1242 AG 369 229 4.7 23
Show 18596+1317 BPM 919 164 112.8 25
Show 19018+1253 BPM 929 284 99.7 27
Show 19018+1232 STF2432 AB 87 14.8 35
Show 19018+1232 STF2432 AC 160 19.4 35
Show 18577+1312 BPM 909 229 87.1 38
Show 18575+1306 BPMA 71 61 216.5 39
Show 19006+1214 HU 678 359 2.9 41
Show 18588+1217 J 2581 315 7.9 42
Show 18591+1338 STF2424 AB 304 20.8 46
Show 18591+1338 STF2424 AC 272 79.0 46
Show 18584+1214 J 2537 7 4.5 48
Show 18597+1206 BPMA 75 317 275.5 48
Show 18597+1345 BPM 920 130 77.9 52
Show 19024+1332 BPM 933 188 98.8 53
Show 19037+1255 J 2939 17 3.8 54
Show 19037+1250 DAM 134 307 7.9 56
Show 19038+1234 J 534 5 4.3 60
Show 18559+1258 BPM 892 348 48.7 60
Show 19002+1353 BPM 921 33 116.8 60
Show 19041+1258 J 2940 135 5.6 61
Show 18557+1254 COG 1 CD 316 3.4 62
Show 18558+1243 BPM 891 213 99.0 62
Show 18557+1254 COG 1 AB 284 26.2 62
Show 18557+1254 COG 1 AC 53 38.6 62
Show 18557+1254 ABH 107 AE 58 107.5 62
Show 18557+1254 ABH 107 AF 107 122.5 62
Show 18557+1254 ABH 107 AG 251 97.8 62
Show 18591+1149 J 473 161 3.6 68
Show 18553+1304 BPMA 69 26 136.8 70
Show 19044+1328 BPM 952 45 113.5 74
Show 18557+1216 BPM 890 226 89.8 74
Show 18563+1344 BPM 895 347 90.5 74
Show 19050+1302 J 478 348 2.0 74
Show 18548+1300 J 532 4 4.4 75
Show 18554+1331 BU 647 AB 5 1.3 77
Show 18554+1331 BU 647 AC 218 18.5 77
Show 18554+1331 FOX9032 AD 86 37.5 77
Show 18553+1217 HEI 564 230 2.9 78
Show 19014+1136 HJ 1359 201 18.9 80
Show 19032+1145 HEI 566 41 3.1 84
Show 18542+1304 HDS2679 317 0.5 86
Show 18562+1145 GRV 243 349 32.8 87
Show 18595+1420 BPMA 74 49 165.5 87
Show 18556+1154 J 3273 98 3.4 89
Show 18560+1147 BPM 893 110 108.0 89
Show 18541+1319 J 1837 120 7.6 90

 
 
WDS 19000+1253 : COMPONENTS
 
 
  A B
B pa=260.6°
sep=16.60"
 
C pa=246.6°
sep=17.26"
pa=172.7°
sep=4.18"
 
 
19000+1253 A
 
 
Name HD 176486 Coord arcsec 2000 185958.76+125324.1 Mag 7.45 Spectral class A5V (white)
PmRA -3.00 PmDE -7.0 SAO 104332 HIP 93273
Tycho2 1047-00542-1 HD 176486 GC 26097 BD BD+12 3750
Tycho2
Tycho2 1047-00542-1 Pflag RAmdeg 284.99482468 DEmdeg 12.89002606
PmRA -1.3 PmDE -4.6 E RAmdeg 6 E DEmdeg 6
E pmRA 1.2 E pmDE 1.1 EpRAm 1991.36 EpDEm 1991.39
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.9 BTmag 9.524 E BTmag 0.023 VTmag 7.449
E VTmag 0.011 Prox 166 TYC T HIP 93273
CCDM A RAdeg 284.99482778 DEdeg 12.89003639 EpRA 1990 1.78
EpDE 1990 1.83 E RAdeg 6.1 E DEdeg 6.4 Posflg
Corr -0.1
SAO
SAO 104332 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 0.001 Vmag 7.1 SpType K5
Double code Source 70 CatNum 26097 DM BD+12 3750
DMcomp BDsup HD 176486 M HD 0
GC 26097 RA1950rad 4.9639909 DE1950rad 0.22374415 PmRA2000 0.0009
PmDE2000 0
Hipparcos
Catalog H HIP 93273 Proxy RAhms 18 59 58.76
DEdms +12 53 24.1 Vmag 7.26 VarFlag R Vmag G
RAdeg 284.995 DEdeg 12.89 AstroRef A Plx -0.34
CCDM 19000+1253 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 176486 BD BD+12 3750
CD CP Dm number +12 3750 VIred 2.48
SpType B9.5V+... R SpType Coord arcsec 2000 185958.76+125324.1
Hipparcos 2
HIP 93273 Sn 95 So 3 Nc 1
RArad 4.9740980924 DErad 0.2249735392 Plx -3.33 PmRA -3.24
PmDE -4.75 E RArad 1.73 E DErad 1.42 E Plx 2
E pmRA 2.18 E pmDE 1.56 Hpmag 7.3791 E Hpmag 0.0154
SHp 0.062 VA 0 BV 1.633 E BV 0.015
VI 2.48
CCDM
Ccdm 19000+1253 RComp Comp A Note1
Note2 Discov num DRAs -1.22 DDEs 24.8
R dRAs 55 Year Theta Rho
Obs 3 Vmag 7.4 Sp K5 PmNote *
PmRA -1 PmDE -4 Dm number +12 3750 Cat1 BD
Name2 +12 2034 Cat2 AGK2/3 HD 176486 M HD
ADS BDS A11916 M ADS BDS N IDS IDS 18553N1244A
HIC 93273
 
 
19000+1253 B
 
 
Coord arcsec 2000 185957.64+125321.4 Coord calc 185957.64+125321.4 Mag 8.96 Spectral class F (yellow-white)
PmRA 2.00 PmDE 1.0 HIP 93268 Tycho2 1047-03220-1
HD 176485 Calc delta mag 1.51
Tycho2
Tycho2 1047-03220-1 Pflag RAmdeg 284.99017399 DEmdeg 12.88929810
PmRA 1.8 PmDE 1.0 E RAmdeg 11 E DEmdeg 12
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.19 EpDEm 1991.00
Num 3 Q RAmdeg 0.9 Q DEmdeg 0.4 Q pmRA 0.9
Q pmDE 0.4 BTmag 9.353 E BTmag 0.022 VTmag 8.956
E VTmag 0.020 Prox 166 TYC T HIP 93268
CCDM B RAdeg 284.99017000 DEdeg 12.88929583 EpRA 1990 1.79
EpDE 1990 1.84 E RAdeg 11.4 E DEdeg 12.0 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 93268 Proxy RAhms 18 59 57.63
DEdms +12 53 21.4 Vmag 9.14 VarFlag R Vmag H
RAdeg 284.99 DEdeg 12.8893 AstroRef B Plx -1.03
CCDM 19000+1253 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD 176485 BD
CD CP Dm number VIred 0.07
SpType F R SpType Coord arcsec 2000 185957.63+125321.4
Hipparcos 2
HIP 93268 Sn 95 So 3 Nc 1
RArad 4.9740164707 DErad 0.224960398 Plx -15.99 PmRA -12.6
PmDE -5.62 E RArad 5.38 E DErad 3.94 E Plx 6.19
E pmRA 6.55 E pmDE 4.52 Hpmag 9.3183 E Hpmag 0.062
SHp 0 VA 0 BV 0.119 E BV 0.033
VI 0.13
CCDM
Ccdm 19000+1253 RComp Comp B Note1
Note2 Discov num STF2426 DRAs -2.35 DDEs 22.0
R dRAs 55 Year 1829 Theta 260 Rho 16.9
Obs 14 Vmag 8.8 Sp F PmNote *
PmRA -11 PmDE 14 Dm number Cat1
Name2 +12 2033 Cat2 AGK2/3 HD 176485 M HD
ADS BDS A11916 M ADS BDS N N IDS IDS 18553N1244B
HIC 93268
 
 
19000+1253 C
 
 
Coord arcsec 2000 185957.68+125317.3 Mag 13.5 Calc delta mag 6.05 Calc coord yes
CCDM
Ccdm 19000+1253 RComp B Comp C Note1
Note2 Discov num STF2426 DRAs DDEs
R dRAs Year 1902 Theta 167 Rho 3.7
Obs 4 Vmag 13.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11916 M ADS BDS N IDS IDS 18553N1244C
HIC 93268