stampa
Login

Keep tracks of you favourite doubles.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
19162+2817
STF 2491
HD 180638


Nearby doubles
8' : 19163+2823
MLB 525

10' : 19162+2827
ELS 4

22' : 19162+2757
HO 447

22' : 19200+2756
EVS 41

24' : 19157+2754
MLB 601

30' : 19141+2826
FMR 145

31' : 19149+2841
MRZ 1

36' : 19143+2840
A 265AB

36' : 19139+2836
TDT1309

39' : 19133+2811
TDT1301

39' : 19139+2753
MLB 695

43' : 19147+2853
AG 376

45' : 19128+2823
TDT1296

48' : 19176+2900
COU1021

48' : 19192+2844
VBS 28

49' : 19161+2730
HLM 21

49' : 19125+2812
HJ 1375

50' : 19192+2847
DOO 73

50' : 19159+2727
STT 371AB

55' : 19171+2724
TDT1350

57' : 19203+2831
TDS 982

57' : 19155+2721
BRT3339

59' : 19137+2905
BRT 190

61' : 19189+2729
TDT1369

61' : 19201+2849
COU1022

61' : 19187+2908
TDT1366



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.

19162+2817 STF 2491 (HD 180638)

 
 
19h 16m 11.63s +28° 16' 50.2" P.A. 230.00 sep 1.4 mag 8.58,9.71 Sp Am dist. 230.95 pc (753.36 l.y.)
 
 
Coord 2000 19162+2817 Discov num STF2491 Comp Coord arcsec 2000 19 16 11.63 +28 16 50.2
Date first 1828 Date last 2016 Obs 91
Pa first 207 Pa last 229.7 P.A. Now (θ) 229.7°
Sep first 1.1 Sep last 1.38 Sep. Now (ρ) 1.38"
Mag pri 8.58 Mag sec 9.71 delta mag (ΔM) 1.13 Spectral class Am (white)
Pri motion ra -002 Sec motion ra -002
Pri motion dec +004 Sec motion dec +004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 180638 Constellation Lyra SAO 87013 HIP 94700
Tycho2 2136-03401-1 Gaia DR2 2038174741764068608 HD 180638 GC 26575
BD BD+28 3268 Distance 230.95 Distance ly 753.36
 
 
WDS 19162+2817 STF 2491 (HD 180638) : 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
19162+2817 STF2491 2005 94 229 1.3 8.58 9.71 Am D 191611.63+281650.2
19162+2817 STF2491 2009 96 229 1.4 8.58 9.71 Am D 191611.63+281650.2
19162+2817 STF2491 2011 97 229 1.3 8.58 9.71 Am 191611.63+281650.2
19162+2817 STF2491 2016 90 230 1.4 8.58 9.71 Am 191611.63+281650.2

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

 
 
WDS 19162+2817 STF 2491 (HD 180638) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19162+2817 STF 2491 (HD 180638) : MEASURES
 
 
No records found.

 
 
WDS 19162+2817 (HD 180638) : VIRTUAL EYEPIECE
 
 

19162+2817 STF2491A mag 8.58 Sp Am 19162+2817 STF2491B sep 1.3 P.A. 226.10 mag 9.71 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 19162+2817 (HD 180638) : ALADIN DSS IMAGE @ 19h 16m 11.63s +28° 16' 50.2"
 
 
 
 
WDS 19162+2817 STF 2491 (HD 180638) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19162+2817 STF2491 distance=0' 19163+2823 MLB 525 distance=8' 19162+2827 ELS 4 distance=10' 19162+2757 HO 447 distance=22' 19200+2756 EVS 41 distance=22' 19157+2754 MLB 601 distance=24' 19141+2826 FMR 145 distance=30' 19149+2841 MRZ 1 distance=31' 19143+2840 A 265AB distance=36' 19143+2840 A 265AB,C distance=36' 19139+2836 TDT1309 distance=36' 19133+2811 TDT1301 distance=39' 19139+2753 MLB 695 distance=39' 19147+2853 AG 376 distance=43' 19128+2823 TDT1296 distance=45' 19176+2900 COU1021 distance=48' 19192+2844 VBS 28 distance=48' 19161+2730 HLM 21 distance=49' 19125+2812 HJ 1375 distance=49' 19192+2847 DOO 73 distance=50' 19159+2727 STT 371AB distance=50' 19159+2727 WAL 108AB,D distance=50' 19159+2727 STT 371AB,C distance=50' 19171+2724 TDT1350 distance=55' 19203+2831 TDS 982 distance=57' 19155+2721 BRT3339 distance=57' 19137+2905 BRT 190 distance=59' 19189+2729 TDT1369 distance=61' 19201+2849 COU1022 distance=61' 19187+2908 TDT1366 distance=61' 19205+2844 TDT1385 distance=64' 19170+2712 ELS 5 distance=66' 19184+2717 TDT1362 distance=67' 19156+2925 AG 377 distance=69' 19133+2719 MLB 694 distance=69' 19216+2832 J 2963 distance=73' 19154+2932 TDT1325 distance=76' 19173+2702 BRT3340 distance=77' 19203+2914 J 769 distance=77' 19103+2820 COU 723 distance=78' 19134+2926 COU1157 distance=79' 19202+2920 KPP4145 distance=82' 19111+2906 TDT1284AB distance=83' 19111+2906 TDT1284AC distance=83' 19102+2751 ES 481AB distance=85' 19102+2751 AOT 75AC distance=85' 19102+2737 BRT 189 distance=86' 19117+2712 J 1206 distance=88' 19145+2945 J 3313 distance=92' 19221+2907 J 770 distance=93' 19099+2858 TDS 973 distance=93' 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 19162+2817 STF2491 230 1.4
Show 19163+2823 MLB 525 22 6.0 8
Show 19162+2827 ELS 4 309 4.9 10
Show 19162+2757 HO 447 171 2.4 22
Show 19200+2756 EVS 41 45 15.1 22
Show 19157+2754 MLB 601 269 5.6 24
Show 19141+2826 FMR 145 136 9.6 30
Show 19149+2841 MRZ 1 325 1.8 31
Show 19143+2840 A 265 AB 17 0.9 36
Show 19143+2840 A 265 AB,C 57 104.5 36
Show 19139+2836 TDT1309 240 2.3 36
Show 19133+2811 TDT1301 162 0.5 39
Show 19139+2753 MLB 695 44 9.1 39
Show 19147+2853 AG 376 78 4.7 43
Show 19128+2823 TDT1296 293 2.1 45
Show 19176+2900 COU1021 223 2.5 48
Show 19192+2844 VBS 28 95 2.1 48
Show 19161+2730 HLM 21 106 11.8 49
Show 19125+2812 HJ 1375 85 12.3 49
Show 19192+2847 DOO 73 118 0.8 50
Show 19159+2727 STT 371 AB 161 0.9 50
Show 19159+2727 WAL 108 AB,D 7 47.0 50
Show 19159+2727 STT 371 AB,C 268 47.2 50
Show 19171+2724 TDT1350 353 0.6 55
Show 19203+2831 TDS 982 298 0.8 57
Show 19155+2721 BRT3339 46 3.7 57
Show 19137+2905 BRT 190 1 5.5 59
Show 19189+2729 TDT1369 163 0.8 61
Show 19201+2849 COU1022 128 0.1 61
Show 19187+2908 TDT1366 110 0.6 61
Show 19205+2844 TDT1385 253 0.6 64
Show 19170+2712 ELS 5 114 10.0 66
Show 19184+2717 TDT1362 25 1.7 67
Show 19156+2925 AG 377 130 9.7 69
Show 19133+2719 MLB 694 125 4.3 69
Show 19216+2832 J 2963 345 4.2 73
Show 19154+2932 TDT1325 264 0.7 76
Show 19173+2702 BRT3340 61 4.9 77
Show 19203+2914 J 769 205 3.9 77
Show 19103+2820 COU 723 6 0.1 78
Show 19134+2926 COU1157 96 0.3 79
Show 19202+2920 KPP4145 297 1.9 82
Show 19111+2906 TDT1284 AB 91 3.6 83
Show 19111+2906 TDT1284 AC 61 8.8 83
Show 19102+2751 ES 481 AB 135 4.0 85
Show 19102+2751 AOT 75 AC 285 57.9 85
Show 19102+2737 BRT 189 270 0.9 86
Show 19117+2712 J 1206 332 2.9 88
Show 19145+2945 J 3313 29 11.7 92
Show 19221+2907 J 770 15 3.1 93
Show 19099+2858 TDS 973 133 1.0 93

 
 
WDS 19162+2817 : COMPONENTS
 
 
  A
B pa=226.1°
sep=1.29"
 
 
19162+2817 A
 
 
Componente originario normalizzato AB Name HD 180638 Coord arcsec 2000 191611.63+281650.2 Mag 8.58
Spectral class Am (white) PmRA -2.00 PmDE 4.0 SAO 87013
HIP 94700 Tycho2 2136-03401-1 HD 180638 GC 26575
BD BD+28 3268
Tycho2
Tycho2 2136-03401-1 Pflag P RAmdeg 289.04845258 DEmdeg 28.28061504
PmRA -2.2 PmDE 3.8 E RAmdeg 7 E DEmdeg 6
E pmRA 2.0 E pmDE 1.9 EpRAm 1991.28 EpDEm 1991.54
Num 5 Q RAmdeg 0.4 Q DEmdeg 1.0 Q pmRA 0.5
Q pmDE 1.0 BTmag 8.777 E BTmag 0.017 VTmag 8.584
E VTmag 0.012 Prox 13 TYC T HIP 94700
CCDM A RAdeg 289.04850528 DEdeg 28.28064389 EpRA 1990 1.47
EpDE 1990 1.69 E RAdeg 6.5 E DEdeg 5.7 Posflg D
Corr 0.1
SAO
SAO 87013 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 0.003 Vmag 8.1 SpType A2
Double code Source 70 CatNum 26575 DM BD+28 3268
DMcomp BDsup HD 180638 M HD 0
GC 26575 RA1950rad 5.03613421 DE1950rad 0.49202329 PmRA2000 0.0002
PmDE2000 0.001
Hipparcos
Catalog H HIP 94700 Proxy H RAhms 19 16 11.64
DEdms +28 16 50.3 Vmag 8.24 VarFlag R Vmag G
RAdeg 289.048 DEdeg 28.2806 AstroRef A Plx 3.8
CCDM 19162+2817 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 227 Rho 1.322 HD 180638 BD BD+28 3268
CD CP Dm number +28 3268 VIred 0.22
SpType Am R SpType Coord arcsec 2000 191611.64+281650.3
Hipparcos 2
HIP 94700 Sn 15 So 3 Nc 2
RArad 5.0448481389 DErad 0.4935903351 Plx 4.33 PmRA -0.09
PmDE 0.62 E RArad 0.59 E DErad 0.82 E Plx 0.93
E pmRA 0.73 E pmDE 1 Hpmag 8.3144 E Hpmag 0.0018
SHp 0.016 VA 0 BV 0.203 E BV 0.016
VI 0.22
CCDM
Ccdm 19162+2817 RComp Comp A Note1
Note2 Discov num DRAs -0.35 DDEs -9.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.4 Sp A2 PmNote *
PmRA 3 PmDE 12 Dm number +28 3268 Cat1 BD
Name2 +28 1951 Cat2 AGK2/3 HD 180638 M HD
ADS BDS A12246 M ADS BDS N IDS IDS 19122N2806A
HIC 94700
 
 
19162+2817 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 191611.56+281649.3 Mag 9.71 PmRA -2.00
PmDE 4.0 Tycho2 2136-03401-2 Calc delta mag 1.13 Calc coord yes
Tycho2
Tycho2 2136-03401-2 Pflag P RAmdeg 289.04845258 DEmdeg 28.28061504
PmRA -2.2 PmDE 3.8 E RAmdeg 7 E DEmdeg 6
E pmRA 2.0 E pmDE 1.9 EpRAm 1991.28 EpDEm 1991.54
Num 5 Q RAmdeg 0.4 Q DEmdeg 1.0 Q pmRA 0.5
Q pmDE 1.0 BTmag 10.086 E BTmag 0.025 VTmag 9.707
E VTmag 0.024 Prox 13 TYC HIP 94700
CCDM B RAdeg 289.04819444 DEdeg 28.28039278 EpRA 1990 1.46
EpDE 1990 1.68 E RAdeg 15.6 E DEdeg 13.1 Posflg D
Corr 0.1
CCDM
Ccdm 19162+2817 RComp Comp B Note1
Note2 Discov num STF2491 DRAs DDEs
R dRAs Year 1959 Theta 226 Rho 1.2
Obs 99 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12246 M ADS BDS N IDS IDS 19122N2806B
HIC 94700