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Current system
21062+1311
STF 2754 AC


Nearby doubles
7' : 21064+1306
SLE 524

21' : 21059+1331
SLE 521

24' : 21048+1322
SLE 517

24' : 21047+1303
BRT1350

26' : 21064+1336
SLE 523

38' : 21063+1233
BPM2325

39' : 21080+1338
SLE 529

42' : 21078+1345
BPM2330

42' : 21035+1259
HEI9003

44' : 21033+1259
HJ 272

45' : 21032+1305
SLE 513

45' : 21062+1226
SLE 522

49' : 21049+1227
HJ 1608AB

50' : 21079+1229
BPM2331

55' : 21046+1400
BPM2318

57' : 21101+1311
BPM2336

62' : 21040+1219
JNN 127

65' : 21082+1214
HJ 276

66' : 21106+1307
BPM2338

69' : 21016+1259
SLE 510

70' : 21107+1334
HEI 186

71' : 21066+1201
SLE 525

73' : 21074+1200
SLE 528

74' : 21046+1201
BU 70AB

77' : 21088+1205
SLE 532

77' : 21073+1156
TOB 315



Selections
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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.

21062+1311 STF 2754 AC

 
 
21h 06m 11.70s +13° 10' 56.8" P.A. 225.00 sep 151.0 mag 9.16,12.95 Sp K5
 
 
Coord 2000 21062+1311 Discov num STF2754 Comp AC Coord arcsec 2000 21 06 11.70 +13 10 56.8
Date first 1909 Date last 2014 Obs 8
Pa first 225 Pa last 224.7 P.A. Now (θ) 224.7°
Sep first 149.9 Sep last 151.028 Sep. Now (ρ) 151.028"
Mag pri 9.16 Mag sec 12.95 delta mag (ΔM) 3.79 Spectral class K5 (yellow-orange)
Pri motion ra -003 Sec motion ra -005
Pri motion dec +008 Sec motion dec -002
Notes
rPM=1.194
This double is not physical.
 
 
21062+1311 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 06 12 +13 10 57 STF 2754 AB 2014 37 298 29.7 9.16 10.60 1.44
Show 21 06 12 +13 10 57 STF 2754 AC 2014 8 225 151.0 9.16 12.95 3.79 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1116-01693-1 Gaia DR2 1759026640880410240
 
 
WDS 21062+1311 STF 2754 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
21062+1311 STF2754 AC 2002 4 225 150.8 9.16 13.00 K5 D 210611.70+131056.8
21062+1311 STF2754 AC 2014 8 225 151.0 9.16 12.95 K5 210611.70+131056.8

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

 
 
WDS 21062+1311 STF 2754 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21062+1311 STF 2754 AC : MEASURES
 
 
No records found.

 
 
WDS 21062+1311 : VIRTUAL EYEPIECE
 
 

21062+1311 STF2754A mag 9.16 Sp K5 21062+1311 STF2754B sep 29.1 P.A. 298.30 mag 10.6 21062+1311 STF2754C sep 149.1 P.A. 223.90 mag 12.95 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 21062+1311 : ALADIN DSS IMAGE @ 21h 06m 11.70s +13° 10' 56.8"
 
 
 
 
WDS 21062+1311 STF 2754 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21062+1311 STF2754AC distance=0' 21064+1306 SLE 524 distance=7' 21059+1331 SLE 521 distance=21' 21048+1322 SLE 517 distance=24' 21047+1303 BRT1350 distance=24' 21064+1336 SLE 523 distance=26' 21050+1243 STF2750A,BC distance=33' 21050+1243 SLE 518AD distance=33' 21050+1243 A 1690BC distance=33' 21063+1233 BPM2325 distance=38' 21080+1338 SLE 529 distance=39' 21078+1345 BPM2330 distance=42' 21035+1259 HEI9003 distance=42' 21033+1259 HJ 272 distance=44' 21032+1305 SLE 513 distance=45' 21062+1226 SLE 522 distance=45' 21049+1227 HJ 1608AB distance=49' 21049+1227 WAL 135AC distance=49' 21049+1227 FYM 53AD distance=49' 21049+1227 FYM 53AE distance=49' 21049+1227 FYM 53AF distance=49' 21079+1229 BPM2331 distance=50' 21046+1400 BPM2318 distance=55' 21101+1311 BPM2336 distance=57' 21040+1219 JNN 127 distance=62' 21082+1214 HJ 276 distance=65' 21106+1307 BPM2338 distance=66' 21016+1259 SLE 510 distance=69' 21107+1334 HEI 186 distance=70' 21066+1201 SLE 525 distance=71' 21074+1200 SLE 528 distance=73' 21046+1201 BU 70AB distance=74' 21046+1201 BU 70AC distance=74' 21046+1201 BU 70BC distance=75' 21088+1205 SLE 532 distance=77' 21073+1156 TOB 315 distance=77' 21010+1301 AG 412 distance=78' 21071+1153 HJ 274AB distance=79' 21071+1153 SLE 526AC distance=79' 21116+1251 ROE 102 distance=82' 21053+1150 UC 4375 distance=82' 21058+1432 WNO 11AB distance=83' 21058+1432 LDS1050AC distance=83' 21047+1152 MLR 541 distance=83' 21015+1224 TDT2699 distance=83' 21119+1302 GWP3041 distance=85' 21072+1434 HEI 79AB distance=85' 21072+1434 SCA 174AC distance=85' 21072+1434 SCA 174BC distance=85' 21051+1435 NSN 740DE distance=86' 21117+1350 BPM2340 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 21062+1311 STF2754 AB 298 29.7
Show 21062+1311 STF2754 AC 225 151.0
Show 21064+1306 SLE 524 157 11.0 7
Show 21059+1331 SLE 521 131 22.0 21
Show 21048+1322 SLE 517 196 7.4 24
Show 21047+1303 BRT1350 157 6.2 24
Show 21064+1336 SLE 523 96 10.2 26
Show 21050+1243 STF2750 A,BC 280 16.0 33
Show 21050+1243 SLE 518 AD 119 4.6 33
Show 21050+1243 A 1690 BC 113 0.4 33
Show 21063+1233 BPM2325 24 19.2 38
Show 21080+1338 SLE 529 345 8.1 39
Show 21078+1345 BPM2330 310 112.9 42
Show 21035+1259 HEI9003 215 33.1 42
Show 21033+1259 HJ 272 253 11.3 44
Show 21032+1305 SLE 513 132 5.5 45
Show 21062+1226 SLE 522 287 12.5 45
Show 21049+1227 HJ 1608 AB 257 20.1 49
Show 21049+1227 WAL 135 AC 284 35.1 49
Show 21049+1227 FYM 53 AD 57 51.2 49
Show 21049+1227 FYM 53 AE 61 67.6 49
Show 21049+1227 FYM 53 AF 277 56.0 49
Show 21079+1229 BPM2331 359 64.6 50
Show 21046+1400 BPM2318 84 80.1 55
Show 21101+1311 BPM2336 256 71.2 57
Show 21040+1219 JNN 127 70 0.8 62
Show 21082+1214 HJ 276 242 11.7 65
Show 21106+1307 BPM2338 164 73.2 66
Show 21016+1259 SLE 510 10 9.4 69
Show 21107+1334 HEI 186 262 0.2 70
Show 21066+1201 SLE 525 201 6.0 71
Show 21074+1200 SLE 528 186 9.8 73
Show 21046+1201 BU 70 AB 240 81.7 74
Show 21046+1201 BU 70 AC 236 74.6 74
Show 21046+1201 BU 70 BC 97 9.2 75
Show 21088+1205 SLE 532 162 8.3 77
Show 21073+1156 TOB 315 92 24.9 77
Show 21010+1301 AG 412 233 10.1 78
Show 21071+1153 HJ 274 AB 85 9.2 79
Show 21071+1153 SLE 526 AC 262 51.0 79
Show 21116+1251 ROE 102 128 6.7 82
Show 21053+1150 UC 4375 236 23.3 82
Show 21058+1432 WNO 11 AB 41 2.6 83
Show 21058+1432 LDS1050 AC 309 295.6 83
Show 21047+1152 MLR 541 112 2.0 83
Show 21015+1224 TDT2699 69 0.5 83
Show 21119+1302 GWP3041 142 22.4 85
Show 21072+1434 HEI 79 AB 295 1.7 85
Show 21072+1434 SCA 174 AC 286 1.9 85
Show 21072+1434 SCA 174 BC 229 0.3 85
Show 21051+1435 NSN 740 DE 268 9.2 86

 
 
WDS 21062+1311 : COMPONENTS
 
 
  A B
B pa=298.3°
sep=29.13"
 
C pa=223.9°
sep=149.08"
pa=212.7°
sep=144.00"
 
 
21062+1311 A
 
 
Coord arcsec 2000 210611.70+131056.8 Mag 9.16 Spectral class K5 (yellow-orange) PmRA -3.00
PmDE 8.0 Tycho2 1116-01693-1
Tycho2
Tycho2 1116-01693-1 Pflag RAmdeg 316.54879005 DEmdeg 13.18245187
PmRA -3.9 PmDE 7.9 E RAmdeg 14 E DEmdeg 14
E pmRA 1.2 E pmDE 1.1 EpRAm 1988.94 EpDEm 1988.56
Num 11 Q RAmdeg 0.9 Q DEmdeg 1.3 Q pmRA 0.9
Q pmDE 1.3 BTmag 10.675 E BTmag 0.043 VTmag 9.156
E VTmag 0.019 Prox 303 TYC T HIP
CCDM RAdeg 316.54879861 DEdeg 13.18243111 EpRA 1990 1.38
EpDE 1990 1.49 E RAdeg 15.0 E DEdeg 15.0 Posflg
Corr -0.2
 
 
21062+1311 B
 
 
Coord arcsec 2000 210609.94+131110.6 Mag 10.6 PmRA 13.00 PmDE -16.0
Tycho2 1116-01887-1 Calc delta mag 1.44 Calc coord yes
Tycho2
Tycho2 1116-01887-1 Pflag RAmdeg 316.54122879 DEmdeg 13.18641094
PmRA 13.9 PmDE -15.9 E RAmdeg 37 E DEmdeg 36
E pmRA 1.7 E pmDE 1.5 EpRAm 1985.04 EpDEm 1984.07
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.4 Q pmRA 0.1
Q pmDE 0.4 BTmag 11.111 E BTmag 0.060 VTmag 10.597
E VTmag 0.056 Prox 303 TYC T HIP
CCDM RAdeg 316.54119444 DEdeg 13.18644861 EpRA 1990 1.37
EpDE 1990 1.45 E RAdeg 37.8 E DEdeg 38.1 Posflg
Corr -0.3
 
 
21062+1311 C
 
 
Coord arcsec 2000 210604.62+130909.4 Mag 12.95 PmRA -5.00 PmDE -2.0
Calc delta mag 3.79 Calc coord yes