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Doubles in session


Current system
20227+1320
STF 2673 AB
HD 193967


Nearby doubles
20' : 20219+1336
HU 1197

26' : 20238+1301
TDT2235

26' : 20227+1345
J 3079

28' : 20229+1346
J 3082AB

29' : 20208+1327
HEI 275

30' : 20209+1332
J 1173

32' : 20244+1301
HU 1198

35' : 20249+1309
J 841AB

36' : 20233+1245
GWP2942

41' : 20206+1254
BPM2121

44' : 20207+1249
HU 1196AB

46' : 20203+1350
BPM2118

46' : 20197+1333
BPM2114

46' : 20227+1406
BPM2134

49' : 20238+1235
BRT1341

50' : 20196+1300
STF2664

53' : 20260+1257
BPM2155

61' : 20186+1318
A 1671

62' : 20205+1226
HJ 1502

63' : 20236+1421
BPM2141

63' : 20270+1312
BPM2166

65' : 20203+1227
DAM 212

65' : 20239+1217
GRV 337

66' : 20200+1412
BPM2115

66' : 20252+1416
BPM2148

68' : 20272+1306
BPM2169



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.

20227+1320 STF 2673 AB (HD 193967)

 
 
20h 22m 43.76s +13° 20' 25.4" P.A. 326.00 sep 2.4 mag 8.29,9.75 Sp F2
 
 
Coord 2000 20227+1320 Discov num STF2673 Comp AB Coord arcsec 2000 20 22 43.76 +13 20 25.4
Date first 1828 Date last 2016 Obs 46
Pa first 336 Pa last 326.2 P.A. Now (θ) 326.2°
Sep first 2.0 Sep last 2.422 Sep. Now (ρ) 2.422"
Mag pri 8.29 Mag sec 9.75 delta mag (ΔM) 1.46 Spectral class F2 (yellow-white)
Pri motion ra -006 Sec motion ra -006
Pri motion dec -028 Sec motion dec -032
Notes T (Parallax indicates physical)
rPM=0.123 (< 0.3, Physical double)
This double is physical.
 
 
20227+1320 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 193967 106038 20 22 44 +13 20 25 STF 2673 AB 2016 46 326 2.4 8.29 9.75 1.46 <===
Show 106038 20 22 44 +13 20 25 STF 2673 AC 2016 32 100 76.5 8.29 8.60 0.31
Show 20 22 49 +13 20 12 STF 2674 CD 2016 32 1 15.0 8.60 11.43 2.83
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 193967 Constellation Delphinus SAO 106038 Tycho2 1086-01256-1
Gaia DR2 1804060541211977216 HD 193967 GC 28335
 
 
WDS 20227+1320 STF 2673 AB (HD 193967) : 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
20227+1320 STF2673 AB 1999 40 327 2.4 8.29 9.75 F2 202243.76+132025.4
20227+1320 STF2673 AB 2009 41 327 2.4 8.29 9.75 F2 202243.76+132025.4
20227+1320 STF2673 AB 2011 42 326 2.3 8.29 9.75 F2 202243.76+132025.4
20227+1320 STF2673 AB 2016 43 326 2.4 8.29 9.75 F2 202243.76+132025.4

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

 
 
WDS 20227+1320 STF 2673 AB (HD 193967) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20227+1320 STF 2673 AB (HD 193967) : MEASURES
 
 
No records found.

 
 
WDS 20227+1320 (HD 193967) : VIRTUAL EYEPIECE
 
 

20227+1320 STF2673A mag 8.29 Sp F2 20227+1320 STF2673B sep 2.4 P.A. 326.90 mag 9.75 20227+1320 STF2674C sep 76.3 P.A. 100.00 mag 8.6 Sp K0 20227+1320 STF2674D sep 75.4 P.A. 88.60 mag 11.43 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 20227+1320 (HD 193967) : ALADIN DSS IMAGE @ 20h 22m 43.76s +13° 20' 25.4"
 
 
 
 
WDS 20227+1320 STF 2673 AB (HD 193967) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20227+1320 STF2673AB distance=0' 20227+1320 STF2674CD distance=2' 20219+1336 HU 1197 distance=20' 20238+1301 TDT2235 distance=26' 20227+1345 J 3079 distance=26' 20229+1346 J 3082AB distance=28' 20208+1327 HEI 275 distance=29' 20209+1332 J 1173 distance=30' 20244+1301 HU 1198 distance=32' 20249+1309 J 841AB distance=35' 20249+1309 J 841AB,C distance=35' 20233+1245 GWP2942 distance=36' 20206+1254 BPM2121 distance=41' 20207+1249 HU 1196AB distance=44' 20207+1249 HU 1196AC distance=44' 20203+1350 BPM2118 distance=46' 20197+1333 BPM2114 distance=46' 20227+1406 BPM2134 distance=46' 20238+1235 BRT1341 distance=49' 20196+1300 STF2664 distance=50' 20260+1257 BPM2155 distance=53' 20186+1318 A 1671 distance=61' 20205+1226 HJ 1502 distance=62' 20236+1421 BPM2141 distance=63' 20270+1312 BPM2166 distance=63' 20203+1227 DAM 212 distance=65' 20239+1217 GRV 337 distance=65' 20200+1412 BPM2115 distance=66' 20252+1416 BPM2148 distance=66' 20272+1306 BPM2169 distance=68' 20180+1325 BPM2095 distance=69' 20253+1420 BPM2149 distance=71' 20244+1213 WOR 33Aa,Ab distance=73' 20244+1213 A 1209AB distance=73' 20204+1427 BPM2120 distance=75' 20195+1223 BPM2111 distance=75' 20179+1344 OL 174 distance=75' 20212+1433 AG 403 distance=76' 20178+1350 BRT1340 distance=78' 20194+1422 STF2665A,BC distance=79' 20194+1422 A 1672BC distance=80' 20239+1437 LDS4839 distance=80' 20255+1431 BPM2151 distance=82' 20247+1438 HJ 1507 distance=83' 20172+1304 J 1880 distance=84' 20240+1443 BPM2143 distance=85' 20228+1156 BPM2135 distance=85' 20260+1212 J 1704 distance=85' 20280+1244 J 1241 distance=86' 20169+1303 J 1879AB distance=87' 20169+1303 J 1879AC distance=87' 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 20227+1320 STF2673 AB 326 2.4
Show 20227+1320 STF2673 AC 100 76.5
Show 20227+1320 STF2674 CD 1 15.0 2
Show 20219+1336 HU 1197 305 1.2 20
Show 20238+1301 TDT2235 260 0.7 26
Show 20227+1345 J 3079 139 7.4 26
Show 20229+1346 J 3082 AB 18 6.1 28
Show 20208+1327 HEI 275 93 0.5 29
Show 20209+1332 J 1173 83 3.7 30
Show 20244+1301 HU 1198 33 0.6 32
Show 20249+1309 J 841 AB 133 0.2 35
Show 20249+1309 J 841 AB,C 82 8.4 35
Show 20233+1245 GWP2942 269 9.1 36
Show 20206+1254 BPM2121 253 95.1 41
Show 20207+1249 HU 1196 AB 322 0.4 44
Show 20207+1249 HU 1196 AC 304 3.3 44
Show 20203+1350 BPM2118 104 58.9 46
Show 20197+1333 BPM2114 313 49.4 46
Show 20227+1406 BPM2134 300 80.4 46
Show 20238+1235 BRT1341 168 3.6 49
Show 20196+1300 STF2664 322 27.8 50
Show 20260+1257 BPM2155 31 119.0 53
Show 20186+1318 A 1671 229 2.2 61
Show 20205+1226 HJ 1502 320 12.1 62
Show 20236+1421 BPM2141 171 109.3 63
Show 20270+1312 BPM2166 59 25.3 63
Show 20203+1227 DAM 212 154 8.9 65
Show 20239+1217 GRV 337 170 62.5 65
Show 20200+1412 BPM2115 187 115.5 66
Show 20252+1416 BPM2148 96 68.4 66
Show 20272+1306 BPM2169 263 28.1 68
Show 20180+1325 BPM2095 359 42.8 69
Show 20253+1420 BPM2149 339 38.5 71
Show 20244+1213 WOR 33 Aa,Ab 131 0.6 73
Show 20244+1213 A 1209 AB 324 1.9 73
Show 20204+1427 BPM2120 168 117.9 75
Show 20195+1223 BPM2111 249 101.1 75
Show 20179+1344 OL 174 229 1.6 75
Show 20212+1433 AG 403 292 43.1 76
Show 20178+1350 BRT1340 315 3.8 78
Show 20194+1422 STF2665 A,BC 12 3.3 79
Show 20194+1422 A 1672 BC 59 0.1 80
Show 20239+1437 LDS4839 311 10.4 80
Show 20255+1431 BPM2151 294 48.5 82
Show 20247+1438 HJ 1507 64 10.4 83
Show 20172+1304 J 1880 246 13.6 84
Show 20240+1443 BPM2143 221 87.9 85
Show 20228+1156 BPM2135 218 90.0 85
Show 20260+1212 J 1704 202 6.2 85
Show 20280+1244 J 1241 172 1.3 86
Show 20169+1303 J 1879 AB 233 11.4 87

 
 
WDS 20227+1320 : COMPONENTS
 
 
  A B C
B pa=326.9°
sep=2.40"
 
C pa=100.0°
sep=76.32"
pa=101.3°
sep=77.98"
 
D pa=88.6°
sep=75.44"
pa=90.1°
sep=76.73"
pa=1.0°
sep=15.03"
 
 
20227+1320 A
 
 
Name HD 193967 Coord arcsec 2000 202243.76+132025.4 Mag 8.29 Spectral class F2 (yellow-white)
PmRA -6.00 PmDE -28.0 SAO 106038 Tycho2 1086-01256-1
HD 193967 GC 28335 DM BD+12 4307
Tycho2
Tycho2 1086-01256-1 Pflag RAmdeg 305.68233269 DEmdeg 13.34038949
PmRA 4.1 PmDE -41.6 E RAmdeg 7 E DEmdeg 8
E pmRA 1.8 E pmDE 1.7 EpRAm 1991.27 EpDEm 1990.89
Num 5 Q RAmdeg 2.1 Q DEmdeg 5.2 Q pmRA 2.2
Q pmDE 5.5 BTmag 8.699 E BTmag 0.018 VTmag 8.294
E VTmag 0.014 Prox 24 TYC T HIP
CCDM RAdeg 305.68232361 DEdeg 13.34048556 EpRA 1990 1.68
EpDE 1990 1.44 E RAdeg 6.7 E DEdeg 7.9 Posflg D
Corr 0.1
SAO
SAO 106038 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.026 Vmag 8.2 SpType F2
Double code Source 70 CatNum 28335 DM BD+12 4307
DMcomp BDsup HD 193967 M HD 0
GC 28335 RA1950rad 5.32491371 DE1950rad 0.23002671 PmRA2000 -0.0003
PmDE2000 -0.029
 
 
20227+1320 B
 
 
Coord arcsec 2000 202243.67+132027.4 Mag 9.75 PmRA -6.00 PmDE -32.0
Calc delta mag 1.46 Calc coord yes
 
 
20227+1320 C
 
 
Coord arcsec 2000 202248.91+132012.2 Coord calc 202248.91+132012.2 Mag 8.6 Spectral class K0 (yellow-orange)
PmRA 7.00 PmDE 8.0 HIP 100506 Tycho2 1086-01382-1
BD BD+12 4308 Calc delta mag 0.31
Tycho2
Tycho2 1086-01382-1 Pflag RAmdeg 305.70381935 DEmdeg 13.33674174
PmRA 7.0 PmDE 8.7 E RAmdeg 10 E DEmdeg 11
E pmRA 0.9 E pmDE 0.9 EpRAm 1989.70 EpDEm 1989.31
Num 13 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.0 BTmag 10.227 E BTmag 0.033 VTmag 8.597
E VTmag 0.015 Prox 764 TYC T HIP 100506
CCDM RAdeg 305.70380194 DEdeg 13.33672139 EpRA 1990 1.67
EpDE 1990 1.45 E RAdeg 10.0 E DEdeg 10.8 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 100506 Proxy RAhms 20 22 48.91
DEdms +13 20 12.2 Vmag 8.46 VarFlag 2 R Vmag H
RAdeg 305.704 DEdeg 13.3367 AstroRef Plx 5.44
CCDM 20228+1320 N CCDM I Nsys 1 Ncomp 1
MultFlag X Source Qual S M HIP
Theta Rho HD BD BD+12 4308
CD CP Dm number +12 4308 VIred 1.27
SpType K0 R SpType Coord arcsec 2000 202248.91+132012.2
Hipparcos 2
HIP 100506 Sn 1 So 2 Nc 1
RArad 5.3355378419 DErad 0.2327695328 Plx 3.58 PmRA 6.27
PmDE 10.57 E RArad 1.8 E DErad 1.41 E Plx 2.31
E pmRA 2.02 E pmDE 1.84 Hpmag 8.6117 E Hpmag 0.0033
SHp 0.028 VA 2 BV 1.326 E BV 0.026
VI 1.29
 
 
20227+1320 D
 
 
Coord arcsec 2000 202248.93+132027.2 Mag 11.43 PmRA 8.00 PmDE 9.0
Calc delta mag 3.14 Calc coord yes