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Current system
19270+7322
STF 2550 AC


Nearby doubles
8' : 19279+7316
PAL 1AB

11' : 19293+7319
KPP3341

19' : 19310+7328
GRO 1

24' : 19323+7323
LDS1910

32' : 19270+7354
YSC 160

41' : 19357+7308
A 864

50' : 19201+7402
TDT1378

52' : 19157+7307
OL 120

53' : 19225+7233
NSN 715

54' : 19278+7229
LDS1908

59' : 19235+7419
TDT1415

67' : 19299+7215
LDS1909

70' : 19352+7423
MLR 222AB

83' : 19393+7220
A 1191

89' : 19079+7252
A 1174

94' : 19432+7222
HDS2800

96' : 19153+7202
TDT1323

98' : 19127+7439
UC 3846

98' : 19412+7208
FOX 245

103' : 19311+7141
HDS2773

105' : 19348+7501
STF2575

106' : 19228+7137
LDS1904

111' : 19344+7136
KU 2

116' : 19443+7453
LDS1914

117' : 19371+7134
SKF1240

118' : 19071+7204
STT 369



Selections
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Binocular doubles
Binary Systems
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.

19270+7322 STF 2550 AC

 
 
19h 26m 59.48s +73° 21' 58.7" P.A. 167.00 sep 78.6 mag 8.50,10.10 Sp F2
 
 
Coord 2000 19270+7322 Discov num STF2550 Comp AC Coord arcsec 2000 19 26 59.48 +73 21 58.7
Date first 1894 Date last 2015 Obs 13
Pa first 168 Pa last 166.8 P.A. Now (θ) 166.8°
Sep first 77.7 Sep last 78.559 Sep. Now (ρ) 78.559"
Mag pri 8.50 Mag sec 10.10 delta mag (ΔM) 1.6 Spectral class F2 (yellow-white)
Pri motion ra -010 Sec motion ra +024
Pri motion dec +038 Sec motion dec +034
Notes
rPM=0.823
This double is not physical.
 
 
19270+7322 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 184292 9428 19 26 59 +73 21 59 STF 2550 AB 2019 53 251 1.9 8.50 8.43 0.07
Show 9428 19 26 59 +73 21 59 STF 2550 AC 2015 13 167 78.6 8.50 10.10 1.60 <===
Show 19 26 59 +73 21 58 STF 2550 BC 2015 11 165 78.4 8.43 10.10 1.67
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 9428 Tycho2 4456-02093-1 Gaia DR2 2264862256638333184
 
 
WDS 19270+7322 STF 2550 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
19270+7322 STF2550 AC 1996 9 168 78.9 8.50 10.10 F2 D 192659.48+732158.7
19270+7322 STF2550 AC 2000 10 166 78.4 8.50 10.10 F2 D 192659.48+732158.7
19270+7322 STF2550 AC 2004 12 166 78.1 8.50 10.10 F2 D 192659.48+732158.7
19270+7322 STF2550 AC 2015 13 167 78.6 8.50 10.10 F2 192659.48+732158.7

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

 
 
WDS 19270+7322 STF 2550 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19270+7322 STF 2550 AC : MEASURES
 
 
No records found.

 
 
WDS 19270+7322 : VIRTUAL EYEPIECE
 
 

19270+7322 STF2550A mag 8.5 Sp F2 19270+7322 STF2550B sep 1.9 P.A. 257.50 mag 8.43 Sp F2 19270+7322 STF2550C sep 76.7 P.A. 176.20 mag 10.1 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 19270+7322 : ALADIN DSS IMAGE @ 19h 26m 59.48s +73° 21' 58.7"
 
 
 
 
WDS 19270+7322 STF 2550 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19270+7322 STF2550AC distance=0' 19270+7322 STF2550BC distance=1' 19279+7316 PAL 1AB distance=8' 19279+7316 PAL 1AC distance=8' 19293+7319 KPP3341 distance=11' 19310+7328 GRO 1 distance=19' 19323+7323 LDS1910 distance=24' 19270+7354 YSC 160 distance=32' 19357+7308 A 864 distance=41' 19201+7402 TDT1378 distance=50' 19157+7307 OL 120 distance=52' 19225+7233 NSN 715 distance=53' 19278+7229 LDS1908 distance=54' 19235+7419 TDT1415 distance=59' 19299+7215 LDS1909 distance=67' 19352+7423 MLR 222AB distance=70' 19352+7423 MLR 222AC distance=70' 19352+7423 MLR 222AD distance=70' 19393+7220 A 1191 distance=83' 19079+7252 A 1174 distance=89' 19432+7222 HDS2800 distance=94' 19153+7202 TDT1323 distance=96' 19127+7439 UC 3846 distance=98' 19412+7208 FOX 245 distance=98' 19311+7141 HDS2773 distance=103' 19348+7501 STF2575 distance=105' 19228+7137 LDS1904 distance=106' 19344+7136 KU 2 distance=111' 19443+7453 LDS1914 distance=116' 19371+7134 SKF1240 distance=117' 19071+7204 STT 369 distance=118' 19121+7142 LDS1901 distance=119' 19329+7520 HDS2776 distance=121' 19432+7143 TDT1671 distance=123' 19082+7149 CRB 206 distance=126' 19208+7528 TDT1389 distance=129' 19212+7111 UC 3898 distance=134' 19443+7538 LDS1915 distance=152' 19222+7051 UC 245 distance=153' 19398+7553 LDS1913 distance=159' 19355+7045 TDT1562 distance=162' 19269+7039 LDS1907 distance=163' 19463+7104 TDT1724 distance=164' 19220+7037 HDS2741 distance=167' 19403+7045 TDT1619 distance=169' 19430+7606 LOC 418 distance=176' 19399+7623 MLR 225 distance=189' 19391+7625 MLR 224 distance=190' 19335+7631 UC 3975 distance=191' 19392+7634 STF2592 distance=198' 19180+7643 LOC 398 distance=205' 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 19270+7322 STF2550 AB 251 1.9
Show 19270+7322 STF2550 AC 167 78.6
Show 19270+7322 STF2550 BC 165 78.4 1
Show 19279+7316 PAL 1 AB 72 4.5 8
Show 19279+7316 PAL 1 AC 9 75.6 8
Show 19293+7319 KPP3341 319 13.3 11
Show 19310+7328 GRO 1 235 3.2 19
Show 19323+7323 LDS1910 214 16.8 24
Show 19270+7354 YSC 160 287 1.1 32
Show 19357+7308 A 864 11 0.8 41
Show 19201+7402 TDT1378 150 2.2 50
Show 19157+7307 OL 120 320 3.2 52
Show 19225+7233 NSN 715 53 1.8 53
Show 19278+7229 LDS1908 199 37.6 54
Show 19235+7419 TDT1415 70 0.5 59
Show 19299+7215 LDS1909 58 32.9 67
Show 19352+7423 MLR 222 AB 197 7.5 70
Show 19352+7423 MLR 222 AC 215 22.6 70
Show 19352+7423 MLR 222 AD 217 42.1 70
Show 19393+7220 A 1191 252 3.1 83
Show 19079+7252 A 1174 70 1.0 89
Show 19432+7222 HDS2800 141 0.5 94
Show 19153+7202 TDT1323 128 0.9 96
Show 19127+7439 UC 3846 116 7.2 98
Show 19412+7208 FOX 245 68 5.5 98
Show 19311+7141 HDS2773 149 0.2 103
Show 19348+7501 STF2575 33 7.6 105
Show 19228+7137 LDS1904 267 4.3 106
Show 19344+7136 KU 2 232 0.6 111
Show 19443+7453 LDS1914 49 6.3 116
Show 19371+7134 SKF1240 34 8.5 117
Show 19071+7204 STT 369 4 0.7 118
Show 19121+7142 LDS1901 146 7.7 119
Show 19329+7520 HDS2776 92 0.4 121
Show 19432+7143 TDT1671 121 0.4 123
Show 19082+7149 CRB 206 51 12.6 126
Show 19208+7528 TDT1389 235 1.4 129
Show 19212+7111 UC 3898 317 25.5 134
Show 19443+7538 LDS1915 125 9.9 152
Show 19222+7051 UC 245 173 53.8 153
Show 19398+7553 LDS1913 327 3.1 159
Show 19355+7045 TDT1562 357 0.9 162
Show 19269+7039 LDS1907 148 49.0 163
Show 19463+7104 TDT1724 252 1.3 164
Show 19220+7037 HDS2741 15 0.2 167
Show 19403+7045 TDT1619 199 1.6 169
Show 19430+7606 LOC 418 239 11.5 176
Show 19399+7623 MLR 225 246 0.3 189
Show 19391+7625 MLR 224 288 0.2 190
Show 19335+7631 UC 3975 95 14.9 191
Show 19392+7634 STF2592 297 0.8 198

 
 
WDS 19270+7322 : COMPONENTS
 
 
  A B
B pa=257.5°
sep=1.85"
 
C pa=176.2°
sep=76.66"
pa=174.8°
sep=76.40"
 
 
19270+7322 A
 
 
Name HD 184292 Coord arcsec 2000 192659.48+732158.7 Mag 8.5 Spectral class F2 (yellow-white)
PmRA 18.00 PmDE 32.0 SAO 9428 HIP 95625
Tycho2 4456-02093-1 HD 184292 GC 26932 BD BD+73 863
Tycho2
Tycho2 4456-02093-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 8.878 E BTmag 0.017 VTmag 8.500
E VTmag 0.013 Prox 19 TYC T HIP 95625
CCDM A RAdeg 291.74781611 DEdeg 73.36629556 EpRA 1990 1.69
EpDE 1990 1.68 E RAdeg 6.7 E DEdeg 7.0 Posflg D
Corr -0.1
SAO
SAO 9428 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.049 Vmag 7.6 SpType F2
Double code Source 70 CatNum 26932 DM BD+73 863
DMcomp BDsup HD 184292 M HD 0
GC 26932 RA1950rad 5.09578952 DE1950rad 1.27866612 PmRA2000 0.0011
PmDE2000 0.046
Hipparcos
Catalog H HIP 95625 Proxy H RAhms 19 26 59.48
DEdms +73 21 58.7 Vmag 7.69 VarFlag R Vmag G
RAdeg 291.748 DEdeg 73.3663 AstroRef A Plx 6.59
CCDM 19270+7321 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 250 Rho 1.941 HD 184292 BD BD+73 863
CD CP Dm number +73 863 VIred 0.44
SpType F2 R SpType Coord arcsec 2000 192659.48+732158.7
Hipparcos 2
HIP 95625 Sn 15 So 3 Nc 2
RArad 5.0919600259 DErad 1.2804833554 Plx 6.87 PmRA 12.05
PmDE 42.2 E RArad 0.9 E DErad 0.65 E Plx 0.86
E pmRA 0.98 E pmDE 0.65 Hpmag 7.783 E Hpmag 0.0017
SHp 0.015 VA 0 BV 0.378 E BV 0.015
VI 0.44
 
 
19270+7322 B
 
 
Coord arcsec 2000 192659.06+732158.3 Coord calc 192659.06+732158.3 Mag 8.43 Spectral class F2 (yellow-white)
PmRA -10.00 PmDE 38.0 Tycho2 4456-02093-2 Calc delta mag 0.07
Tycho2
Tycho2 4456-02093-2 Pflag RAmdeg 291.74610135 DEmdeg 73.36620853
PmRA 4.1 PmDE 39.3 E RAmdeg 7 E DEmdeg 7
E pmRA 1.7 E pmDE 1.8 EpRAm 1991.54 EpDEm 1991.51
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.4 Q pmRA 0.2
Q pmDE 0.5 BTmag 8.816 E BTmag 0.018 VTmag 8.432
E VTmag 0.013 Prox 19 TYC T HIP 95625
CCDM B RAdeg 291.74606833 DEdeg 73.36611750 EpRA 1990 1.71
EpDE 1990 1.67 E RAdeg 6.5 E DEdeg 7.0 Posflg D
Corr -0.1
 
 
19270+7322 C
 
 
Coord arcsec 2000 192700.68+732042.2 Mag 10.1 PmRA 24.00 PmDE 34.0
Calc delta mag 1.6 Calc coord yes