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Doubles in session


Current system
19268+1252
STF 2520 AB
HD 231427


Nearby doubles
24' : 19283+1243
COG 2

27' : 19277+1229
BPM1029

30' : 19283+1232
A 1649

40' : 19290+1228
AG 383

42' : 19295+1241
BPM1030

47' : 19299+1241
BRT1318

47' : 19248+1215
SKF 921

48' : 19298+1236
BPMA 83

49' : 19269+1204
A 1181

50' : 19296+1224
A 1653

54' : 19284+1204
AG 382

54' : 19304+1240
BPM1038

60' : 19307+1237
BPM1041

60' : 19251+1346
J 1305

60' : 19256+1349
J 1306

60' : 19232+1320
HEI 269

62' : 19250+1157
STT 588AB

64' : 19224+1256
GWP2845

64' : 19255+1353
J 1846

67' : 19296+1200
BPM1031

68' : 19274+1359
AG 379

71' : 19316+1249
BPM1048

72' : 19282+1400
AG 381

72' : 19315+1310
HO 452AB

73' : 19317+1300
BPM1052

73' : 19318+1244
BPMA 87



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.

19268+1252 STF 2520 AB (HD 231427)

 
 
19h 26m 48.65s +12° 52' 04.4" P.A. 234.00 sep 1.9 mag 9.70,10.32 Sp A5
 
 
Coord 2000 19268+1252 Discov num STF2520 Comp AB Coord arcsec 2000 19 26 48.65 +12 52 04.4
Date first 1829 Date last 2018 Obs 28
Pa first 235 Pa last 234.2 P.A. Now (θ) 234.2°
Sep first 2.0 Sep last 1.856 Sep. Now (ρ) 1.856"
Mag pri 9.70 Mag sec 10.32 delta mag (ΔM) 0.62 Spectral class A5 (white)
Pri motion ra +011 Sec motion ra +011
Pri motion dec +003 Sec motion dec +003
Notes
Nature of this double is uncertain.
 
 
19268+1252 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 231427 104841 19 26 49 +12 52 04 STF 2520 AB 2018 28 234 1.9 9.70 10.32 0.62 <===
Show 19 26 49 +12 52 04 FOX 241 AC 2015 12 247 89.6 9.70 9.99 0.29
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 231427 Constellation Aquila SAO 104841 Tycho2 1063-00488-1
Gaia DR2 4316437081599363456 HD 231427 GC 26848 ADS 12449
 
 
WDS 19268+1252 STF 2520 AB (HD 231427) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Fox1909 Ma - Fox, P. 1909AN....181..245F
Fox1909 AN 181, 245, 1909 (measures are also in Fox1915)
Fox1910 Ma - Fox, P. 1910AJ.....26...87F
Fox1910 AJ 26, 87, 1910 (measures are also in Fox1915)
Fox1915 Ma j Fox, P. 1915AnDea...1....1F
Fox1915 Ann. Dearborn Obs. 1, 1, 1915
Fox1915b Ma j Fox, P. 1915AnDea...1...52F
Fox1915b Ann. Dearborn Obs. 1, 52, 1915
Fox1925 Ma j Fox, P. 1925AnDea...2....1F
Fox1925 +Ca Ann. Dearborn Obs. 2, 1, 1925
Fox1946 Ma - Fox, P. 1946AnDea...6....1F
Fox1946 +Po Ann. Dearborn Obs. 6, 1, 1946
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
19268+1252 STF2520 AB 1999 24 236 2.2 9.70 10.32 A5 192648.65+125204.4
19268+1252 STF2520 AB 2009 26 234 1.8 9.70 10.32 A5 192648.65+125204.4
19268+1252 STF2520 AB 2015 26 235 1.8 9.70 10.32 A5 192648.65+125204.4
19268+1252 STF2520 AB 2018 27 234 1.9 9.70 10.32 A5 192648.65+125204.4

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

 
 
WDS 19268+1252 STF 2520 AB (HD 231427) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19268+1252 STF 2520 AB (HD 231427) : MEASURES
 
 
No records found.

 
 
WDS 19268+1252 (HD 231427) : VIRTUAL EYEPIECE
 
 

19268+1252 STF2520A mag 9.7 Sp A5 19268+1252 STF2520B sep 1.8 P.A. 233.50 mag 10.32 19268+1252 FOX 241C sep 87.7 P.A. 246.10 mag 9.99 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 19268+1252 (HD 231427) : ALADIN DSS IMAGE @ 19h 26m 48.65s +12° 52' 04.4"
 
 
 
 
WDS 19268+1252 STF 2520 AB (HD 231427) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19268+1252 STF2520AB distance=1' 19268+1252 FOX 241AC distance=1' 19283+1243 COG 2 distance=24' 19277+1229 BPM1029 distance=27' 19283+1232 A 1649 distance=30' 19290+1228 AG 383 distance=40' 19295+1241 BPM1030 distance=42' 19299+1241 BRT1318 distance=47' 19248+1215 SKF 921 distance=47' 19298+1236 BPMA 83 distance=48' 19269+1204 A 1181 distance=49' 19296+1224 A 1653 distance=50' 19284+1204 AG 382 distance=54' 19304+1240 BPM1038 distance=54' 19307+1237 BPM1041 distance=60' 19251+1346 J 1305 distance=60' 19256+1349 J 1306 distance=60' 19232+1320 HEI 269 distance=60' 19250+1157 STT 588AB distance=62' 19250+1157 COM 7AD distance=62' 19250+1157 STT 588AC distance=62' 19250+1157 LLO 19AE distance=62' 19250+1157 STT 588BC distance=62' 19224+1256 GWP2845 distance=64' 19255+1353 J 1846 distance=64' 19296+1200 BPM1031 distance=67' 19274+1359 AG 379 distance=68' 19316+1249 BPM1048 distance=71' 19282+1400 AG 381 distance=72' 19315+1310 HO 452AB distance=72' 19315+1310 HO 452AC distance=72' 19317+1300 BPM1052 distance=73' 19318+1244 BPMA 87 distance=73' 19264+1139 HEI 571 distance=74' 19309+1208 BPM1044 distance=75' 19309+1205 BPM1042 distance=76' 19320+1238 BPM1060AB distance=78' 19320+1238 BPM1061AC distance=78' 19319+1229 BPM1058 distance=78' 19311+1204 BPM1045 distance=79' 19309+1201 BPM1043 distance=79' 19300+1148 BPM1033 distance=79' 19307+1157 BPM1040 distance=80' 19312+1205 BPM1046 distance=80' 19262+1412 GWP2851 distance=81' 19232+1151 BPM1026 distance=81' 19322+1237 BPMA 93 distance=82' 19247+1136 J 1304 distance=82' 19305+1151 HEI 573 distance=82' 19275+1129 BRT1317 distance=82' 19316+1337 BPM1049 distance=84' 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 19268+1252 STF2520 AB 234 1.9 1
Show 19268+1252 FOX 241 AC 247 89.6 1
Show 19283+1243 COG 2 242 24.7 24
Show 19277+1229 BPM1029 170 54.8 27
Show 19283+1232 A 1649 27 1.5 30
Show 19290+1228 AG 383 303 19.7 40
Show 19295+1241 BPM1030 170 97.3 42
Show 19299+1241 BRT1318 84 6.0 47
Show 19248+1215 SKF 921 237 54.0 47
Show 19298+1236 BPMA 83 325 166.3 48
Show 19269+1204 A 1181 200 0.7 49
Show 19296+1224 A 1653 142 0.2 50
Show 19284+1204 AG 382 189 11.0 54
Show 19304+1240 BPM1038 25 92.7 54
Show 19307+1237 BPM1041 351 63.7 60
Show 19251+1346 J 1305 161 1.6 60
Show 19256+1349 J 1306 112 2.2 60
Show 19232+1320 HEI 269 11 0.7 60
Show 19250+1157 STT 588 AB 281 108.3 62
Show 19250+1157 COM 7 AD 191 130.1 62
Show 19250+1157 STT 588 AC 277 151.6 62
Show 19250+1157 LLO 19 AE 288 4.2 62
Show 19250+1157 STT 588 BC 267 44.5 62
Show 19224+1256 GWP2845 142 4.8 64
Show 19255+1353 J 1846 256 6.9 64
Show 19296+1200 BPM1031 113 99.1 67
Show 19274+1359 AG 379 83 13.2 68
Show 19316+1249 BPM1048 156 115.1 71
Show 19282+1400 AG 381 150 22.3 72
Show 19315+1310 HO 452 AB 245 12.8 72
Show 19315+1310 HO 452 AC 190 26.5 72
Show 19317+1300 BPM1052 292 80.6 73
Show 19318+1244 BPMA 87 104 242.5 73
Show 19264+1139 HEI 571 351 1.9 74
Show 19309+1208 BPM1044 249 71.4 75
Show 19309+1205 BPM1042 315 75.2 76
Show 19320+1238 BPM1060 AB 202 51.5 78
Show 19320+1238 BPM1061 AC 359 110.8 78
Show 19319+1229 BPM1058 95 89.6 78
Show 19311+1204 BPM1045 34 27.5 79
Show 19309+1201 BPM1043 46 22.9 79
Show 19300+1148 BPM1033 259 72.1 79
Show 19307+1157 BPM1040 228 64.8 80
Show 19312+1205 BPM1046 1 58.9 80
Show 19262+1412 GWP2851 296 86.3 81
Show 19232+1151 BPM1026 185 85.8 81
Show 19322+1237 BPMA 93 153 299.8 82
Show 19247+1136 J 1304 60 2.2 82
Show 19305+1151 HEI 573 227 0.9 82
Show 19275+1129 BRT1317 98 4.9 82
Show 19316+1337 BPM1049 64 114.1 84

 
 
WDS 19268+1252 : COMPONENTS
 
 
  A B
B pa=233.5°
sep=1.83"
 
C pa=246.1°
sep=87.68"
pa=246.3°
sep=85.90"
 
 
19268+1252 A
 
 
Name HD 231427 Coord arcsec 2000 192648.65+125204.4 Mag 9.7 Spectral class A5 (white)
PmRA 11.00 PmDE 3.0 Tycho2 1063-00488-1 ADS 12449
DM BD+12 3910
Tycho2
Tycho2 1063-00488-1 Pflag P RAmdeg 291.70271538 DEmdeg 12.86791141
PmRA 11.4 PmDE 2.5 E RAmdeg 15 E DEmdeg 18
E pmRA 1.8 E pmDE 1.7 EpRAm 1990.65 EpDEm 1990.17
Num 5 Q RAmdeg 1.0 Q DEmdeg 0.2 Q pmRA 1.0
Q pmDE 0.2 BTmag 10.387 E BTmag 0.031 VTmag 9.697
E VTmag 0.025 Prox 18 TYC T HIP
CCDM RAdeg 291.70282111 DEdeg 12.86799806 EpRA 1990 1.68
EpDE 1990 1.72 E RAdeg 15.4 E DEdeg 17.8 Posflg D
Corr 0.0
CCDM
Ccdm 19268+1252 RComp Comp A Note1
Note2 Discov num DRAs 0.65 DDEs 4.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.6 Sp F0 PmNote *
PmRA 8 PmDE 5 Dm number +12 3910 Cat1 BD
Name2 +12 2097 Cat2 AGK2/3 HD 231427 M HD
ADS BDS A12449 M ADS BDS N IDS IDS 19222N1240A
HIC
 
 
19268+1252 B
 
 
Coord arcsec 2000 192648.55+125203.3 Mag 10.32 PmRA 11.00 PmDE 3.0
SAO 104841 Tycho2 1063-00488-2 HD 231427 GC 26848
Calc delta mag 0.62 Calc coord yes
Tycho2
Tycho2 1063-00488-2 Pflag P RAmdeg 291.70271538 DEmdeg 12.86791141
PmRA 11.4 PmDE 2.5 E RAmdeg 15 E DEmdeg 18
E pmRA 1.8 E pmDE 1.7 EpRAm 1990.65 EpDEm 1990.17
Num 5 Q RAmdeg 1.0 Q DEmdeg 0.2 Q pmRA 1.0
Q pmDE 0.2 BTmag 10.876 E BTmag 0.046 VTmag 10.321
E VTmag 0.040 Prox 18 TYC T HIP
CCDM RAdeg 291.70240306 DEdeg 12.86770778 EpRA 1990 1.67
EpDE 1990 1.71 E RAdeg 25.0 E DEdeg 29.2 Posflg D
Corr 0.0
SAO
SAO 104841 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.015 Vmag 9.1 SpType F0
Double code Source 70 CatNum 26848 DM BD+12 3910
DMcomp BDsup HD 231427 M HD 0
GC 26848 RA1950rad 5.0810166 DE1950rad 0.22281472 PmRA2000 0.0007
PmDE2000 0.014
CCDM
Ccdm 19268+1252 RComp Comp B Note1
Note2 Discov num STF2520 DRAs DDEs
R dRAs Year 1829 Theta 234 Rho 1.9
Obs 5 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12449 M ADS BDS N IDS IDS 19222N1240B
HIC
 
 
19268+1252 C
 
 
Coord arcsec 2000 192643.17+125128.8 Mag 9.99 PmRA 8.00 PmDE -10.0
Tycho2 1063-00540-1 HD 231423 DM BD+12 3909 Calc delta mag 0.29
Calc coord yes
Tycho2
Tycho2 1063-00540-1 Pflag RAmdeg 291.67941446 DEmdeg 12.85820928
PmRA 6.7 PmDE -9.8 E RAmdeg 16 E DEmdeg 18
E pmRA 1.4 E pmDE 1.3 EpRAm 1989.41 EpDEm 1987.98
Num 6 Q RAmdeg 0.7 Q DEmdeg 0.2 Q pmRA 0.6
Q pmDE 0.2 BTmag 10.328 E BTmag 0.030 VTmag 9.987
E VTmag 0.031 Prox 876 TYC T HIP
CCDM RAdeg 291.67939972 DEdeg 12.85823111 EpRA 1990 1.71
EpDE 1990 1.75 E RAdeg 16.9 E DEdeg 19.7 Posflg
Corr 0.1
CCDM
Ccdm 19268+1252 RComp Comp C Note1
Note2 Discov num FOX DRAs DDEs
R dRAs Year 1915 Theta 248 Rho 89.3
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12449 M ADS BDS N IDS IDS 19222N1240C
HIC