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Doubles in session


Current system
19218+1422
STF 2506
HD 231231


Nearby doubles
17' : 19207+1425
STTA180

18' : 19226+1433
TDT1408

23' : 19203+1430
VKI 33

30' : 19200+1431
J 2171

31' : 19200+1439
BPM1022

40' : 19224+1459
J 822

47' : 19244+1447
CVR 214

55' : 19200+1510
BPM1021

55' : 19240+1507
J 2964

58' : 19183+1450
BPM1016

61' : 19205+1519
BPM1023

61' : 19258+1437
STF2518AB

61' : 19251+1346
J 1305

62' : 19189+1507
BPM1017

63' : 19255+1353
J 1846

63' : 19194+1514
BPM1020

65' : 19262+1412
GWP2851

65' : 19232+1320
HEI 269

65' : 19256+1349
J 1306

66' : 19180+1459
BPM1014

68' : 19192+1519
BPM1019

69' : 19172+1403
BPM1009AB

74' : 19169+1359
BPM1008

79' : 19164+1433
STF2489AB

80' : 19196+1535
J 1175

85' : 19274+1359
AG 379



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.

19218+1422 STF 2506 (HD 231231)

 
 
19h 21m 45.89s +14° 21' 50.2" P.A. 349.00 sep 17.7 mag 9.56,10.46 Sp F2
 
 
Coord 2000 19218+1422 Discov num STF2506 Comp Coord arcsec 2000 19 21 45.89 +14 21 50.2
Date first 1843 Date last 2016 Obs 25
Pa first 351 Pa last 348.7 P.A. Now (θ) 348.7°
Sep first 16.3 Sep last 17.692 Sep. Now (ρ) 17.692"
Mag pri 9.56 Mag sec 10.46 delta mag (ΔM) 0.9 Spectral class F2 (yellow-white)
Pri motion ra +009 Sec motion ra +007
Pri motion dec +001 Sec motion dec +008
Notes
rPM=0.685
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 231231 Constellation Aquila SAO 104764 Tycho2 1054-00108-1
Gaia DR2 4319827052056902912 HD 231231
 
 
WDS 19218+1422 STF 2506 (HD 231231) : 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
19218+1422 STF2506 2004 17 350 17.8 9.56 10.46 F2 D 192145.89+142150.2
19218+1422 STF2506 2010 20 349 17.6 9.56 10.46 F2 192145.89+142150.2
19218+1422 STF2506 2016 21 349 17.7 9.56 10.46 F2 192145.89+142150.2

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

 
 
WDS 19218+1422 STF 2506 (HD 231231) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19218+1422 STF 2506 (HD 231231) : MEASURES
 
 
No records found.

 
 
WDS 19218+1422 (HD 231231) : VIRTUAL EYEPIECE
 
 

19218+1422 STF2506A mag 9.56 Sp F2 19218+1422 STF2506B sep 17.7 P.A. 349.00 mag 10.46 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 19218+1422 (HD 231231) : ALADIN DSS IMAGE @ 19h 21m 45.89s +14° 21' 50.2"
 
 
 
 
WDS 19218+1422 STF 2506 (HD 231231) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19218+1422 STF2506 distance=0' 19207+1425 STTA180 distance=17' 19226+1433 TDT1408 distance=18' 19203+1430 VKI 33 distance=23' 19200+1431 J 2171 distance=30' 19200+1439 BPM1022 distance=31' 19224+1459 J 822 distance=40' 19244+1447 CVR 214 distance=47' 19200+1510 BPM1021 distance=55' 19240+1507 J 2964 distance=55' 19183+1450 BPM1016 distance=58' 19205+1519 BPM1023 distance=61' 19258+1437 STF2518AB distance=61' 19251+1346 J 1305 distance=61' 19189+1507 BPM1017 distance=62' 19255+1353 J 1846 distance=63' 19194+1514 BPM1020 distance=63' 19262+1412 GWP2851 distance=65' 19232+1320 HEI 269 distance=65' 19256+1349 J 1306 distance=65' 19180+1459 BPM1014 distance=66' 19192+1519 BPM1019 distance=68' 19172+1403 BPM1009AB distance=69' 19172+1403 BPM1010BC distance=71' 19169+1359 BPM1008 distance=74' 19164+1433 CHR 85Aa,Ab distance=79' 19164+1433 STF2489AB distance=79' 19164+1433 WAL 109AC distance=79' 19196+1535 J 1175 distance=80' 19274+1359 AG 379 distance=85' 19166+1503 BPM1007 distance=86' 19192+1540 A 1646 distance=87' 19224+1256 GWP2845 distance=87' 19156+1407 TDT1328 distance=91' 19177+1531 BPM1013 distance=91' 19260+1529 TDT1455 distance=92' 19259+1529 J 2967 distance=94' 19263+1529 CVR 215 distance=95' 19260+1533 A 1647AB distance=95' 19260+1533 A 1647AC distance=95' 19260+1533 A 1647AD distance=95' 19160+1508 BPM1004 distance=96' 19154+1447 J 537 distance=97' 19282+1400 AG 381 distance=97' 19173+1306 GWP2832 distance=100' 19287+1442 HEI 271 distance=103' 19153+1505 STTA178 distance=103' 19155+1510 BPM1002 distance=104' 19282+1507 TDT1476 distance=105' 19162+1534 KU 57AB distance=108' 19162+1534 KU 57AC distance=108' 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 19218+1422 STF2506 349 17.7
Show 19207+1425 STTA180 266 79.7 17
Show 19226+1433 TDT1408 312 0.5 18
Show 19203+1430 VKI 33 148 5.6 23
Show 19200+1431 J 2171 325 3.6 30
Show 19200+1439 BPM1022 149 116.6 31
Show 19224+1459 J 822 350 3.1 40
Show 19244+1447 CVR 214 226 83.4 47
Show 19200+1510 BPM1021 157 77.0 55
Show 19240+1507 J 2964 293 1.2 55
Show 19183+1450 BPM1016 350 119.4 58
Show 19205+1519 BPM1023 334 57.9 61
Show 19258+1437 STF2518 AB 352 5.5 61
Show 19251+1346 J 1305 161 1.6 61
Show 19189+1507 BPM1017 73 97.3 62
Show 19255+1353 J 1846 256 6.9 63
Show 19194+1514 BPM1020 169 115.0 63
Show 19262+1412 GWP2851 296 86.3 65
Show 19232+1320 HEI 269 11 0.7 65
Show 19256+1349 J 1306 112 2.2 65
Show 19180+1459 BPM1014 40 98.5 66
Show 19192+1519 BPM1019 59 112.0 68
Show 19172+1403 BPM1009 AB 231 112.9 69
Show 19172+1403 BPM1010 BC 259 103.3 71
Show 19169+1359 BPM1008 249 71.9 74
Show 19164+1433 CHR 85 Aa,Ab 20 0.0 79
Show 19164+1433 STF2489 AB 347 8.3 79
Show 19164+1433 WAL 109 AC 355 60.4 79
Show 19196+1535 J 1175 114 5.1 80
Show 19274+1359 AG 379 83 13.2 85
Show 19166+1503 BPM1007 169 88.2 86
Show 19192+1540 A 1646 205 4.5 87
Show 19224+1256 GWP2845 142 4.8 87
Show 19156+1407 TDT1328 116 0.6 91
Show 19177+1531 BPM1013 60 15.1 91
Show 19260+1529 TDT1455 323 3.0 92
Show 19259+1529 J 2967 200 6.2 94
Show 19263+1529 CVR 215 253 80.1 95
Show 19260+1533 A 1647 AB 36 1.3 95
Show 19260+1533 A 1647 AC 81 10.3 95
Show 19260+1533 A 1647 AD 146 11.5 95
Show 19160+1508 BPM1004 197 87.8 96
Show 19154+1447 J 537 198 4.4 97
Show 19282+1400 AG 381 150 22.3 97
Show 19173+1306 GWP2832 168 11.8 100
Show 19287+1442 HEI 271 222 1.4 103
Show 19153+1505 STTA178 267 89.6 103
Show 19155+1510 BPM1002 296 74.4 104
Show 19282+1507 TDT1476 331 0.7 105
Show 19162+1534 KU 57 AB 230 10.2 108
Show 19162+1534 KU 57 AC 126 36.4 108

 
 
WDS 19218+1422 : COMPONENTS
 
 
  A
B pa=349.0°
sep=17.67"
 
 
19218+1422 A
 
 
Componente originario normalizzato AB Name HD 231231 Coord arcsec 2000 192145.89+142150.2 Mag 9.56
Spectral class F2 (yellow-white) PmRA 9.00 PmDE 1.0 Tycho2 1054-00108-1
Tycho2
Tycho2 1054-00108-1 Pflag RAmdeg 290.44120036 DEmdeg 14.36394740
PmRA 8.3 PmDE 0.1 E RAmdeg 12 E DEmdeg 13
E pmRA 1.1 E pmDE 1.0 EpRAm 1989.85 EpDEm 1989.48
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.9 BTmag 9.938 E BTmag 0.023 VTmag 9.564
E VTmag 0.021 Prox 174 TYC T HIP
CCDM RAdeg 290.44117944 DEdeg 14.36394694 EpRA 1990 1.64
EpDE 1990 1.58 E RAdeg 11.5 E DEdeg 12.9 Posflg
Corr 0.0
CCDM
Ccdm 19218+1422 RComp Comp A Note1
Note2 Discov num DRAs -2.09 DDEs -9.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp F2 PmNote *
PmRA 10 PmDE 9 Dm number +14 3888 Cat1 BD
Name2 +14 2021 Cat2 AGK2/3 HD 231231 M HD
ADS BDS B 9245 M ADS BDS N IDS IDS 19171N1410A
HIC
 
 
19218+1422 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 192145.66+142207.5 Mag 10.46 PmRA 7.00
PmDE 8.0 SAO 104764 Tycho2 1054-00480-1 HD 231231
DM BD+14 3888 Calc delta mag 0.9 Calc coord yes
Tycho2
Tycho2 1054-00480-1 Pflag RAmdeg 290.44029563 DEmdeg 14.36870356
PmRA 7.3 PmDE 5.1 E RAmdeg 22 E DEmdeg 25
E pmRA 1.4 E pmDE 1.3 EpRAm 1987.70 EpDEm 1985.92
Num 6 Q RAmdeg 0.3 Q DEmdeg 0.8 Q pmRA 0.3
Q pmDE 0.8 BTmag 10.884 E BTmag 0.041 VTmag 10.464
E VTmag 0.039 Prox 174 TYC T HIP
CCDM RAdeg 290.44027806 DEdeg 14.36869250 EpRA 1990 1.63
EpDE 1990 1.56 E RAdeg 23.4 E DEdeg 26.2 Posflg
Corr -0.1
SAO
SAO 104764 DelFlag RA1950 PmRA1950 0.0017
DE1950 PmDE1950 -0.005 Vmag 9.4 SpType F2
Double code Source 29 CatNum 7193 DM BD+14 3888
DMcomp B BDsup HD 231231 M HD 2
GC RA1950rad 5.05911985 DE1950rad 0.24910477 PmRA2000 0.0018
PmDE2000 -0.006
CCDM
Ccdm 19218+1422 RComp Comp B Note1
Note2 Discov num STF2506 DRAs -2.30 DDEs 7.2
R dRAs 91 Year 1843 Theta 351 Rho 16.5
Obs 9 Vmag 10.4 Sp F2 PmNote *
PmRA 10 PmDE 9 Dm number Cat1
Name2 +14 2020 Cat2 AGK2/3 HD M HD
ADS BDS B 9245 M ADS BDS N N IDS IDS 19171N1410B
HIC