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Current system
19498-0355
STF 2582
HD 187381


Nearby doubles
41' : 19504-0316
J 1688

48' : 19514-0436
A 43AB

57' : 19471-0435
GWP2894

60' : 19483-0300
GWP2895

65' : 19516-0455
UC 4043

67' : 19510-0252
TOK 213AB

67' : 19461-0318
A 2597

68' : 19508-0502
UC 4036

78' : 19463-0258
J 1686

80' : 19526-0248
HJ 899

82' : 19464-0459
GWP2893

83' : 19514-0514
RST4645

90' : 19557-0340
GWP2910

91' : 19497-0226
J 2282

100' : 19440-0443
LDS6337

105' : 19514-0215
BAL 254

105' : 19447-0507
J 3262

105' : 19515-0214
J 2561

106' : 19444-0506
J 1385

113' : 19571-0335
J 2601

118' : 19567-0300
A 44

119' : 19577-0349
A 2690

125' : 19555-0224
BAL 255

125' : 19416-0358
BRT 495

126' : 19477-0154
A 717

126' : 19419-0312
TDT1650



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.

19498-0355 STF 2582 (HD 187381)

 
 
19h 49m 49.27s -03° 55' 20.6" P.A. 258.00 sep 2.5 mag 8.67,9.93 Sp G5 dist. 377.36 pc (1230.95 l.y.)
 
 
Coord 2000 19498-0355 Discov num STF2582 Comp Coord arcsec 2000 19 49 49.27 -03 55 20.6
Date first 1829 Date last 2016 Obs 27
Pa first 265 Pa last 258.4 P.A. Now (θ) 258.4°
Sep first 2.4 Sep last 2.542 Sep. Now (ρ) 2.542"
Mag pri 8.67 Mag sec 9.93 delta mag (ΔM) 1.26 Spectral class G5 (yellow)
Pri motion ra -001 Sec motion ra -001
Pri motion dec -010 Sec motion dec -010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 187381 Constellation Aquila SAO 143827 HIP 97565
Tycho2 5154-01050-1 Gaia DR2 4233673547136354432 HD 187381 GC 27440
BD BD-04 4938 Distance 377.36 Distance ly 1230.95
 
 
WDS 19498-0355 STF 2582 (HD 187381) : 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
19498-0355 STF2582 2001 23 261 2.4 8.67 9.93 G5 D 194949.27-035520.6
19498-0355 STF2582 2016 25 258 2.5 8.67 9.93 G5 194949.27-035520.6

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

 
 
WDS 19498-0355 STF 2582 (HD 187381) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19498-0355 STF 2582 (HD 187381) : MEASURES
 
 
No records found.

 
 
WDS 19498-0355 (HD 187381) : VIRTUAL EYEPIECE
 
 

19498-0355 STF2582A mag 8.67 Sp G5 19498-0355 STF2582B sep 2.5 P.A. 258.40 mag 9.93 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19498-0355 (HD 187381) : ALADIN DSS IMAGE @ 19h 49m 49.27s -03° 55' 20.6"
 
 
 
 
WDS 19498-0355 STF 2582 (HD 187381) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19498-0355 STF2582 distance=1' 19504-0316 J 1688 distance=41' 19514-0436 A 43AB distance=48' 19514-0436 A 43AC distance=48' 19471-0435 GWP2894 distance=57' 19483-0300 GWP2895 distance=60' 19516-0455 UC 4043 distance=65' 19510-0252 TOK 213Aa,Ab distance=67' 19510-0252 TOK 213AB distance=67' 19461-0318 A 2597 distance=67' 19508-0502 UC 4036 distance=68' 19463-0258 J 1686 distance=78' 19526-0248 HJ 899 distance=80' 19464-0459 GWP2893 distance=82' 19514-0514 RST4645 distance=83' 19557-0340 GWP2910 distance=90' 19497-0226 J 2282 distance=91' 19440-0443 LDS6337 distance=100' 19514-0215 BAL 254 distance=105' 19447-0507 J 3262 distance=105' 19515-0214 J 2561 distance=105' 19444-0506 J 1385 distance=106' 19571-0335 J 2601 distance=113' 19567-0300 A 44 distance=118' 19577-0349 A 2690 distance=119' 19555-0224 BAL 255 distance=125' 19416-0358 BRT 495 distance=125' 19477-0154 A 717 distance=126' 19419-0312 TDT1650 distance=126' 19474-0148 A 2993AB distance=132' 19531-0558 GMC 25 distance=133' 19534-0600 STF2591 distance=136' 19532-0601 UC 4045 distance=136' 19487-0137 J 1687 distance=141' 19439-0547 BWL 52AB distance=143' 19439-0547 BWL 52AC distance=143' 19439-0547 BWL 52AD distance=143' 19439-0547 BWL 52AE distance=143' 19439-0547 BWL 52AF distance=143' 19439-0547 BWL 52AG distance=143' 19439-0547 BWL 52AH distance=143' 19591-0443 LDS4826 distance=146' 19594-0432 CVN 107 distance=148' 19597-0358 J 2565 distance=149' 19411-0511 KPP2068 distance=151' 19459-0615 GWP2890 distance=152' 19535-0133 KPP1906 distance=153' 19521-0625 J 2287 distance=154' 19400-0306 RST5141 distance=156' 19407-0240 TDT1625 distance=156' 20000-0439 J 1692 distance=158' 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 19498-0355 STF2582 258 2.5 1
Show 19504-0316 J 1688 343 5.6 41
Show 19514-0436 A 43 AB 278 2.0 48
Show 19514-0436 A 43 AC 225 27.2 48
Show 19471-0435 GWP2894 321 300.5 57
Show 19483-0300 GWP2895 62 18.1 60
Show 19516-0455 UC 4043 135 63.0 65
Show 19510-0252 TOK 213 Aa,Ab 61 0.1 67
Show 19510-0252 TOK 213 AB 271 82.6 67
Show 19461-0318 A 2597 142 0.2 67
Show 19508-0502 UC 4036 55 3.8 68
Show 19463-0258 J 1686 177 8.0 78
Show 19526-0248 HJ 899 197 10.8 80
Show 19464-0459 GWP2893 13 83.0 82
Show 19514-0514 RST4645 141 1.1 83
Show 19557-0340 GWP2910 119 28.7 90
Show 19497-0226 J 2282 281 3.4 91
Show 19440-0443 LDS6337 218 6.9 100
Show 19514-0215 BAL 254 5 5.1 105
Show 19447-0507 J 3262 94 4.7 105
Show 19515-0214 J 2561 59 4.0 105
Show 19444-0506 J 1385 73 5.5 106
Show 19571-0335 J 2601 258 5.3 113
Show 19567-0300 A 44 28 1.4 118
Show 19577-0349 A 2690 214 1.4 119
Show 19555-0224 BAL 255 108 12.2 125
Show 19416-0358 BRT 495 208 3.1 125
Show 19477-0154 A 717 124 0.2 126
Show 19419-0312 TDT1650 314 0.4 126
Show 19474-0148 A 2993 AB 230 0.1 132
Show 19531-0558 GMC 25 338 32.3 133
Show 19534-0600 STF2591 106 29.4 136
Show 19532-0601 UC 4045 12 68.1 136
Show 19487-0137 J 1687 176 4.9 141
Show 19439-0547 BWL 52 AB 110 4.2 143
Show 19439-0547 BWL 52 AC 193 5.3 143
Show 19439-0547 BWL 52 AD 245 2.5 143
Show 19439-0547 BWL 52 AE 281 4.9 143
Show 19439-0547 BWL 52 AF 83 6.0 143
Show 19439-0547 BWL 52 AG 94 4.9 143
Show 19439-0547 BWL 52 AH 333 5.8 143
Show 19591-0443 LDS4826 161 6.2 146
Show 19594-0432 CVN 107 25 4.5 148
Show 19597-0358 J 2565 298 4.4 149
Show 19411-0511 KPP2068 86 16.6 151
Show 19459-0615 GWP2890 153 254.9 152
Show 19535-0133 KPP1906 298 15.0 153
Show 19521-0625 J 2287 170 3.3 154
Show 19400-0306 RST5141 114 0.3 156
Show 19407-0240 TDT1625 273 1.4 156
Show 20000-0439 J 1692 24 7.2 158

 
 
WDS 19498-0355 : COMPONENTS
 
 
  A
B pa=258.4°
sep=2.54"
 
 
19498-0355 A
 
 
Componente originario normalizzato AB Name HD 187381 Coord arcsec 2000 194949.27-035520.6 Mag 8.67
Spectral class G5 (yellow) PmRA -1.00 PmDE -10.0 SAO 143827
HIP 97565 Tycho2 5154-01050-1 HD 187381 GC 27440
BD BD-04 4938
Tycho2
Tycho2 5154-01050-1 Pflag P RAmdeg 297.45528527 DEmdeg -3.92237689
PmRA -0.6 PmDE -9.8 E RAmdeg 12 E DEmdeg 15
E pmRA 2.7 E pmDE 2.8 EpRAm 1991.59 EpDEm 1991.23
Num 3 Q RAmdeg 0.6 Q DEmdeg 1.3 Q pmRA 0.6
Q pmDE 1.3 BTmag 10.022 E BTmag 0.036 VTmag 8.668
E VTmag 0.018 Prox 24 TYC T HIP 97565
CCDM A RAdeg 297.45553861 DEdeg -3.92230972 EpRA 1990 1.79
EpDE 1990 1.52 E RAdeg 11.6 E DEdeg 15.1 Posflg D
Corr -0.1
SAO
SAO 143827 DelFlag RA1950 PmRA1950 -0.0001
DE1950 PmDE1950 0.001 Vmag 8.3 SpType G5
Double code Source 70 CatNum 27440 DM BD-04 4938
DMcomp BDsup HD 187381 M HD 0
GC 27440 RA1950rad 5.18009233 DE1950rad -0.07067193 PmRA2000 0.0001
PmDE2000 0
Hipparcos
Catalog H HIP 97565 Proxy H RAhms 19 49 49.33
DEdms -03 55 20.3 Vmag 8.26 VarFlag R Vmag H
RAdeg 297.456 DEdeg -3.92231 AstroRef A Plx 3.78
CCDM 19498-0355 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 260 Rho 2.389 HD 187381 BD BD-04 4938
CD CP Dm number -04 4938 VIred 0.91
SpType G5 R SpType Coord arcsec 2000 194949.33-035520.3
Hipparcos 2
HIP 97565 Sn 15 So 3 Nc 2
RArad 5.1915785702 DErad -0.0684572892 Plx 2.65 PmRA 1.78
PmDE -4.63 E RArad 1.29 E DErad 0.96 E Plx 1.52
E pmRA 1.63 E pmDE 1.44 Hpmag 8.4036 E Hpmag 0.0019
SHp 0.01 VA 0 BV 0.744 E BV 0.027
VI 0.79
CCDM
Ccdm 19498-0355 RComp Comp A Note1
Note2 Discov num DRAs 1.33 DDEs -20.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp G5 PmNote *
PmRA -1 PmDE 1 Dm number -04 4938 Cat1 BD
Name2 143827 Cat2 SAO HD 187381 M HD
ADS BDS A12984 M ADS BDS N IDS IDS 19446S0410A
HIC 97565
 
 
19498-0355 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194949.10-035521.1 Mag 9.93 PmRA -1.00
PmDE -10.0 Tycho2 5154-01050-2 Calc delta mag 1.26 Calc coord yes
Tycho2
Tycho2 5154-01050-2 Pflag P RAmdeg 297.45528527 DEmdeg -3.92237689
PmRA -0.6 PmDE -9.8 E RAmdeg 12 E DEmdeg 15
E pmRA 2.7 E pmDE 2.8 EpRAm 1991.59 EpDEm 1991.23
Num 3 Q RAmdeg 0.6 Q DEmdeg 1.3 Q pmRA 0.6
Q pmDE 1.3 BTmag 10.331 E BTmag 0.045 VTmag 9.931
E VTmag 0.046 Prox 24 TYC T HIP 97565
CCDM B RAdeg 297.45486889 DEdeg -3.92242722 EpRA 1990 1.79
EpDE 1990 1.51 E RAdeg 25.8 E DEdeg 33.9 Posflg D
Corr -0.1
CCDM
Ccdm 19498-0355 RComp Comp B Note1
Note2 Discov num STF2582 DRAs DDEs
R dRAs Year 1829 Theta 260 Rho 2.4
Obs 13 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12984 M ADS BDS N IDS IDS 19446S0410B
HIC 97565