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Doubles in session


Current system
19484+2212
STF 2584
HD 187256


Nearby doubles
10' : 19493+2202
CHE 152

14' : 19487+2200
TDS1015

15' : 19490+2227
CHE 150

21' : 19495+2230
CHE 154

23' : 19497+2224
BKO 987

24' : 19496+2228
BKO 986

24' : 19495+2234
CHE 153

25' : 19496+2230
BKO 985

25' : 19471+2229
BRT2459

26' : 19494+2233
BKO 983

27' : 19495+2334
BKO 984

37' : 19508+2234
CHE 159

38' : 19511+2228
CHE 163

38' : 19509+2235
CHE 160

39' : 19507+2233
BKO 993

39' : 19503+2240
BU 361AB

41' : 19500+2140
J 3016

42' : 19508+2235
BKO 994

43' : 19513+2222
BKO1005

43' : 19517+2223
CHE 171

45' : 19515+2217
NSN 723

45' : 19514+2227
BKO1009

47' : 19491+2259
CHE 151

48' : 19457+2143
TDT1716

48' : 19515+2240
CHE 168

52' : 19518+2240
CHE 174



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.

19484+2212 STF 2584 (HD 187256)

 
 
19h 48m 22.40s +22° 11' 56.5" P.A. 293.00 sep 1.9 mag 9.14,9.20 Sp F5
 
 
Coord 2000 19484+2212 Discov num STF2584 Comp Coord arcsec 2000 19 48 22.40 +22 11 56.5
Date first 1830 Date last 2020 Obs 42
Pa first 299 Pa last 293.2 P.A. Now (θ) 293.2°
Sep first 2.0 Sep last 1.93 Sep. Now (ρ) 1.93"
Mag pri 9.14 Mag sec 9.20 delta mag (ΔM) 0.06 Spectral class F5 (yellow-white)
Pri motion ra +006 Sec motion ra +006
Pri motion dec -011 Sec motion dec -011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187256 Constellation Vulpecula SAO 87739 Tycho2 1627-00520-1
Gaia DR2 1827576719835709056 HD 187256 GC 27414
 
 
WDS 19484+2212 STF 2584 (HD 187256) : 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
19484+2212 STF2584 1999 35 294 1.9 9.14 9.20 F5 194822.40+221156.5
19484+2212 STF2584 2009 37 294 1.9 9.14 9.20 F5 194822.40+221156.5
19484+2212 STF2584 2011 39 293 1.9 9.14 9.20 F5 194822.40+221156.5
19484+2212 STF2584 2016 39 293 1.9 9.14 9.20 F5 194822.40+221156.5
19484+2212 STF2584 2020 42 293 1.9 9.14 9.20 F5 194822.40+221156.5

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

 
 
WDS 19484+2212 STF 2584 (HD 187256) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19484+2212 STF 2584 (HD 187256) : MEASURES
 
 
No records found.

 
 
WDS 19484+2212 (HD 187256) : VIRTUAL EYEPIECE
 
 

19484+2212 STF2584A mag 9.14 Sp F5 19484+2212 STF2584B sep 1.8 P.A. 294.80 mag 9.2 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 19484+2212 (HD 187256) : ALADIN DSS IMAGE @ 19h 48m 22.40s +22° 11' 56.5"
 
 
 
 
WDS 19484+2212 STF 2584 (HD 187256) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19484+2212 STF2584 distance=0' 19493+2202 CHE 152 distance=10' 19487+2200 TDS1015 distance=14' 19490+2227 CHE 150 distance=15' 19495+2230 CHE 154 distance=21' 19497+2224 BKO 987 distance=23' 19496+2228 BKO 986 distance=24' 19495+2234 CHE 153 distance=24' 19496+2230 BKO 985 distance=25' 19471+2229 BRT2459 distance=25' 19494+2233 BKO 983 distance=26' 19495+2334 BKO 984 distance=27' 19508+2234 CHE 159 distance=37' 19511+2228 CHE 163 distance=38' 19509+2235 CHE 160 distance=38' 19507+2233 BKO 993 distance=39' 19503+2240 BU 361AB distance=39' 19503+2240 BU 361AC distance=39' 19500+2140 J 3016 distance=41' 19508+2235 BKO 994 distance=42' 19513+2222 BKO1005 distance=43' 19517+2223 CHE 171 distance=43' 19515+2217 NSN 723 distance=45' 19514+2227 BKO1009 distance=45' 19491+2259 CHE 151 distance=47' 19457+2143 TDT1716 distance=48' 19515+2240 CHE 168 distance=48' 19518+2240 CHE 174 distance=52' 19514+2244 BKO1008 distance=53' 19517+2239 TDT1806AB distance=55' 19517+2239 BKO1015AC distance=55' 19512+2253 BKO1002 distance=57' 19485+2309 CHE 149 distance=57' 19484+2309 BKO 982 distance=57' 19518+2245 BKO1018 distance=59' 19485+2311 POU4092 distance=59' 19521+2241 BKO1024 distance=60' 19525+2227 HO 580 distance=60' 19522+2239 BKO1027 distance=60' 19516+2251 BKO1013 distance=60' 19520+2244 BKO1023 distance=60' 19483+2312 POU4084 distance=60' 19506+2304 BKO 989 distance=61' 19479+2312 BKO 981 distance=61' 19517+2257 CHE 170 distance=62' 19523+2249 CHE 176 distance=62' 19498+2310 POU4111 distance=62' 19483+2314 BKO 436 distance=62' 19519+2251 BKO1019 distance=63' 19507+2306 BKO 992 distance=63' 19518+2253 BKO1017 distance=63' 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 19484+2212 STF2584 293 1.9
Show 19493+2202 CHE 152 253 27.5 10
Show 19487+2200 TDS1015 308 1.2 14
Show 19490+2227 CHE 150 88 31.1 15
Show 19495+2230 CHE 154 114 20.3 21
Show 19497+2224 BKO 987 110 7.1 23
Show 19496+2228 BKO 986 141 4.1 24
Show 19495+2234 CHE 153 114 21.5 24
Show 19496+2230 BKO 985 111 5.3 25
Show 19471+2229 BRT2459 4 3.7 25
Show 19494+2233 BKO 983 300 6.3 26
Show 19495+2334 BKO 984 228 7.7 27
Show 19508+2234 CHE 159 224 22.3 37
Show 19511+2228 CHE 163 152 7.7 38
Show 19509+2235 CHE 160 150 28.5 38
Show 19507+2233 BKO 993 317 26.2 39
Show 19503+2240 BU 361 AB 348 3.6 39
Show 19503+2240 BU 361 AC 79 55.9 39
Show 19500+2140 J 3016 354 5.8 41
Show 19508+2235 BKO 994 34 30.3 42
Show 19513+2222 BKO1005 108 22.8 43
Show 19517+2223 CHE 171 24 21.1 43
Show 19515+2217 NSN 723 219 3.3 45
Show 19514+2227 BKO1009 206 14.5 45
Show 19491+2259 CHE 151 280 20.9 47
Show 19457+2143 TDT1716 141 0.5 48
Show 19515+2240 CHE 168 138 14.8 48
Show 19518+2240 CHE 174 58 22.1 52
Show 19514+2244 BKO1008 76 8.2 53
Show 19517+2239 TDT1806 AB 339 0.9 55
Show 19517+2239 BKO1015 AC 301 23.6 55
Show 19512+2253 BKO1002 145 6.4 57
Show 19485+2309 CHE 149 262 16.4 57
Show 19484+2309 BKO 982 267 12.5 57
Show 19518+2245 BKO1018 336 6.3 59
Show 19485+2311 POU4092 114 5.9 59
Show 19521+2241 BKO1024 150 6.0 60
Show 19525+2227 HO 580 272 0.7 60
Show 19522+2239 BKO1027 158 6.1 60
Show 19516+2251 BKO1013 280 8.8 60
Show 19520+2244 BKO1023 42 4.1 60
Show 19483+2312 POU4084 315 9.5 60
Show 19506+2304 BKO 989 22 3.0 61
Show 19479+2312 BKO 981 288 8.3 61
Show 19517+2257 CHE 170 62 14.8 62
Show 19523+2249 CHE 176 126 27.7 62
Show 19498+2310 POU4111 279 9.2 62
Show 19483+2314 BKO 436 307 5.3 62
Show 19519+2251 BKO1019 46 7.2 63
Show 19507+2306 BKO 992 75 7.0 63
Show 19518+2253 BKO1017 87 5.9 63

 
 
WDS 19484+2212 : COMPONENTS
 
 
  A
B pa=294.8°
sep=1.81"
 
 
19484+2212 A
 
 
Componente originario normalizzato AB Name HD 187256 Coord arcsec 2000 194822.40+221156.5 Mag 9.14
Spectral class F5 (yellow-white) PmRA 6.00 PmDE -11.0 Tycho2 1627-00520-1
Tycho2
Tycho2 1627-00520-1 Pflag P RAmdeg 297.09331798 DEmdeg 22.19904078
PmRA 5.6 PmDE -10.9 E RAmdeg 10 E DEmdeg 11
E pmRA 0.9 E pmDE 0.9 EpRAm 1990.46 EpDEm 1990.10
Num 9 Q RAmdeg 2.4 Q DEmdeg 2.8 Q pmRA 2.6
Q pmDE 2.9 BTmag 9.562 E BTmag 0.021 VTmag 9.140
E VTmag 0.018 Prox 19 TYC T HIP
CCDM RAdeg 297.09354833 DEdeg 22.19896361 EpRA 1990 1.78
EpDE 1990 1.80 E RAdeg 10.0 E DEdeg 11.1 Posflg D
Corr 0.1
CCDM
Ccdm 19484+2212 RComp Comp A Note1
Note2 Discov num DRAs -1.60 DDEs -2.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp F5 PmNote *
PmRA 7 PmDE 12 Dm number +21 3921 Cat1 BD
Name2 +22 2025 Cat2 AGK2/3 HD 187256 M HD
ADS BDS A12957 M ADS BDS N IDS IDS 19441N2157A
HIC
 
 
19484+2212 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194822.28+221157.3 Mag 9.2 PmRA 6.00
PmDE -11.0 SAO 87739 Tycho2 1627-00520-2 HD 187256
GC 27414 DM BD+21 3921 Calc delta mag 0.06 Calc coord yes
Tycho2
Tycho2 1627-00520-2 Pflag P RAmdeg 297.09331798 DEmdeg 22.19904078
PmRA 5.6 PmDE -10.9 E RAmdeg 10 E DEmdeg 11
E pmRA 0.9 E pmDE 0.9 EpRAm 1990.46 EpDEm 1990.10
Num 9 Q RAmdeg 2.4 Q DEmdeg 2.8 Q pmRA 2.6
Q pmDE 2.9 BTmag 9.623 E BTmag 0.023 VTmag 9.202
E VTmag 0.019 Prox 19 TYC T HIP
CCDM RAdeg 297.09303222 DEdeg 22.19917917 EpRA 1990 1.78
EpDE 1990 1.80 E RAdeg 10.9 E DEdeg 12.1 Posflg D
Corr 0.1
SAO
SAO 87739 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 -0.026 Vmag 8.4 SpType F5
Double code Source 70 CatNum 27414 DM BD+21 3921
DMcomp BDsup HD 187256 M HD 0
GC 27414 RA1950rad 5.17583658 DE1950rad 0.38525137 PmRA2000 0.0011
PmDE2000 -0.028
CCDM
Ccdm 19484+2212 RComp Comp B Note1
Note2 Discov num STF2584 DRAs DDEs
R dRAs Year 1830 Theta 297 Rho 1.8
Obs 14 Vmag 9.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12957 M ADS BDS N IDS IDS 19441N2157B
HIC