stampa
Login

Create your own observing lists in a few clicks and save them.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
21289+1105
STF 2799 AB
HD 204509


Nearby doubles
6' : 21290+1100
GRV 470

38' : 21298+1031
UC 4476

44' : 21306+1140
BPM2383

47' : 21309+1141
J 178

50' : 21322+1055
HDS3061

53' : 21324+1054
LDS4894

53' : 21254+1121
A 887AB

58' : 21257+1140
BPM2374

64' : 21281+1002
GWP3062

66' : 21291+1211
BAR 56AB

67' : 21326+1121
J 1788

68' : 21299+1211
DBR 294AB

68' : 21248+1136
GWP3057

69' : 21299+1212
MAA 1

70' : 21300+1213
DBR 295

71' : 21337+1057
J 1789

81' : 21339+1139
CVR 907

84' : 21344+1127
BU 273

86' : 21236+1030
BRT1356

89' : 21245+1003
SKF 16

91' : 21227+1101
BPM2367

95' : 21225+1057
J 161

96' : 21224+1110
NSN 743

96' : 21223+1111
BRT1355

97' : 21222+1114
J 2605

98' : 21322+0941
KPP 926



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.

21289+1105 STF 2799 AB (HD 204509)

 
 
21h 28m 52.79s +11° 05' 05.2" P.A. 259.00 sep 1.9 mag 7.37,7.44 Sp F4V dist. 105.04 pc (342.64 l.y.)
 
 
Coord 2000 21289+1105 Discov num STF2799 Comp AB Coord arcsec 2000 21 28 52.79 +11 05 05.2
Date first 1825 Date last 2021 Obs 422
Pa first 338 Pa last 258.9 P.A. Now (θ) 258.9°
Sep first 1.2 Sep last 1.93 Sep. Now (ρ) 1.93"
Mag pri 7.37 Mag sec 7.44 delta mag (ΔM) 0.07 Spectral class F4V (yellow-white)
Pri motion ra +071 Sec motion ra +071
Pri motion dec +014 Sec motion dec +014
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
21289+1105 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 204509 107165 21 28 53 +11 05 05 STF 2799 AB 2021 422 259 1.9 7.37 7.44 0.07 Y <===
Show 107165 21 28 53 +11 05 05 STF 2799 AC 2016 19 331 135.9 7.37 10.20 2.83
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 204509 Constellation Pegasus SAO 107165 HIP 106053
Tycho2 1123-02302-1 Gaia DR2 1745718697602229504 HD 204509 GC 30071
ADS 15007 BD BD+10 4554 Distance 105.04 Distance ly 342.64
 
 
ORBITAL ELEMENTS
 
 
Period (P)1108.405y± 490.9262 Periastron (T)2102.8302y± 26.8144 Semi-major axis (a)4.47939a± 2.01757
Eccentricity (e)0.76621± 0.16709 Inclination (i)102.311°± 6.021 Longitude of periastron (ω)247.669°± 17.699
Node (Ω)61.281°± 3.993 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 263.5 1.826
2001 263.2 1.830
2002 262.9 1.834
2003 262.7 1.838
2004 262.4 1.842
2005 262.1 1.846
2006 261.9 1.850
2007 261.6 1.853
2008 261.4 1.857
2009 261.1 1.860
2010 260.8 1.863
2011 260.6 1.867
2012 260.3 1.870
2013 260.1 1.873
2014 259.8 1.876
2015 259.6 1.878
2016 259.3 1.881
2017 259.1 1.884
2018 258.8 1.886
2019 258.6 1.888
2020 258.3 1.890
2021 258.1 1.892
2022 257.8 1.894
2023 257.6 1.896
2024 257.3 1.898
2025 257.1 1.899
2026 256.8 1.900
2027 256.6 1.902
2028 256.3 1.902
2029 256.1 1.903
2030 255.8 1.904


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds21289%2B1105f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 21289+1105 STF 2799 AB (HD 204509) : NOTES
 
 
discov_num notes refcode
STF2799 STF2911.
 
 
REFERENCES
 
 
refcode metd author reference
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21289+1105 STF2799 AB 2007 427 260 1.8 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2008 432 262 1.7 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2009 434 261 1.8 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2010 438 261 1.9 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2011 441 259 1.9 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2012 441 261 1.7 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2014 407 261 1.9 7.37 7.44 F4V NOD 212852.79+110505.2
21289+1105 STF2799 AB 2015 411 261 1.9 7.37 7.44 F4V NO 212852.79+110505.2
21289+1105 STF2799 AB 2016 414 259 1.9 7.37 7.44 F4V NO 212852.79+110505.2
21289+1105 STF2799 AB 2018 416 260 1.9 7.37 7.44 F4V NO 212852.79+110505.2
21289+1105 STF2799 AB 2020 420 258 1.9 7.37 7.44 F4V NO 212852.79+110505.2
21289+1105 STF2799 AB 2021 422 259 1.9 7.37 7.44 F4V NO 212852.79+110505.2

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

 
 
WDS 21289+1105 STF 2799 AB (HD 204509) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21289+1105 STF 2799 AB (HD 204509) : MEASURES
 
 
No records found.

 
 
WDS 21289+1105 (HD 204509) : VIRTUAL EYEPIECE
 
 

21289+1105 STF2799A mag 7.37 Sp F4V 21289+1105 STF2799B sep 1.9 P.A. 258.70 mag 7.44 21289+1105 STF2799C sep 135.3 P.A. 331.50 mag 10.2 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 21289+1105 (HD 204509) : ALADIN DSS IMAGE @ 21h 28m 52.79s +11° 05' 05.2"
 
 
 
 
WDS 21289+1105 STF 2799 AB (HD 204509) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21289+1105 STF2799AB distance=0' 21290+1100 GRV 470 distance=6' 21298+1031 UC 4476 distance=38' 21306+1140 BPM2383 distance=44' 21309+1141 J 178 distance=47' 21322+1055 HDS3061 distance=50' 21324+1054 LDS4894 distance=53' 21254+1121 A 887AB distance=53' 21254+1121 A 887AC distance=53' 21254+1121 FYM 330AD distance=53' 21254+1121 FYM 330AE distance=53' 21257+1140 BPM2374 distance=58' 21281+1002 GWP3062 distance=64' 21291+1211 BAR 56AB distance=66' 21291+1211 BAR 56AC distance=66' 21326+1121 J 1788 distance=67' 21299+1211 DBR 294AB distance=68' 21299+1211 DBR 294AC distance=68' 21248+1136 GWP3057 distance=68' 21299+1212 MAA 1 distance=69' 21300+1213 DBR 295 distance=70' 21337+1057 J 1789 distance=71' 21339+1139 CVR 907 distance=81' 21344+1127 BU 273 distance=84' 21236+1030 BRT1356 distance=86' 21245+1003 SKF 16 distance=89' 21227+1101 BPM2367 distance=91' 21225+1057 J 161 distance=95' 21224+1110 NSN 743 distance=96' 21223+1111 BRT1355 distance=96' 21222+1114 J 2605 distance=97' 21322+0941 KPP 926 distance=98' 21359+1105 CVR 910 distance=104' 21345+0958 BRT3229 distance=107' 21321+1243 RAO 457 distance=109' 21215+1122 BPM2363 distance=111' 21310+1251 LDS4892 distance=111' 21329+1240 UC 4492 distance=112' 21225+1207 BPM2366 distance=112' 21310+1256 LDS4891BC distance=115' 21242+1237 HJ 282AB distance=115' 21242+1237 FYM 182AC distance=115' 21310+1256 LDS4891AB distance=116' 21251+0923 BU 164AB distance=117' 21251+0923 STF2793AB,C distance=117' 21224+0953 J 1356 distance=120' 21214+1020 A 617 distance=120' 21314+1302 BPM2385 distance=123' 21209+1140 BPM2361 distance=124' 21347+0934 GMC 22 distance=126' 21319+0908 CVR 906 distance=126' 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 21289+1105 STF2799 AB 259 1.9
Show 21289+1105 STF2799 AC 331 135.9
Show 21290+1100 GRV 470 317 54.1 6
Show 21298+1031 UC 4476 231 10.3 38
Show 21306+1140 BPM2383 89 27.4 44
Show 21309+1141 J 178 185 2.9 47
Show 21322+1055 HDS3061 259 0.3 50
Show 21324+1054 LDS4894 8 2.9 53
Show 21254+1121 A 887 AB 213 0.1 53
Show 21254+1121 A 887 AC 322 12.3 53
Show 21254+1121 FYM 330 AD 79 22.9 53
Show 21254+1121 FYM 330 AE 61 16.2 53
Show 21257+1140 BPM2374 142 74.8 58
Show 21281+1002 GWP3062 27 72.0 64
Show 21291+1211 BAR 56 AB 43 1.3 66
Show 21291+1211 BAR 56 AC 42 1.3 66
Show 21326+1121 J 1788 223 7.4 67
Show 21299+1211 DBR 294 AB 348 4.1 68
Show 21299+1211 DBR 294 AC 331 1.9 68
Show 21248+1136 GWP3057 181 11.2 68
Show 21299+1212 MAA 1 56 1.1 69
Show 21300+1213 DBR 295 5 0.8 70
Show 21337+1057 J 1789 171 4.5 71
Show 21339+1139 CVR 907 156 23.0 81
Show 21344+1127 BU 273 90 5.9 84
Show 21236+1030 BRT1356 63 5.7 86
Show 21245+1003 SKF 16 60 53.2 89
Show 21227+1101 BPM2367 336 97.0 91
Show 21225+1057 J 161 300 2.0 95
Show 21224+1110 NSN 743 262 2.3 96
Show 21223+1111 BRT1355 192 4.1 96
Show 21222+1114 J 2605 223 1.5 97
Show 21322+0941 KPP 926 54 7.6 98
Show 21359+1105 CVR 910 120 9.4 104
Show 21345+0958 BRT3229 158 3.4 107
Show 21321+1243 RAO 457 150 1.1 109
Show 21215+1122 BPM2363 196 52.2 111
Show 21310+1251 LDS4892 234 12.0 111
Show 21329+1240 UC 4492 19 91.7 112
Show 21225+1207 BPM2366 107 61.1 112
Show 21310+1256 LDS4891 BC 177 21.7 115
Show 21242+1237 HJ 282 AB 69 27.3 115
Show 21242+1237 FYM 182 AC 162 14.9 115
Show 21310+1256 LDS4891 AB 168 90.7 116
Show 21251+0923 BU 164 AB 93 0.1 117
Show 21251+0923 STF2793 AB,C 241 26.4 117
Show 21224+0953 J 1356 176 8.0 120
Show 21214+1020 A 617 45 0.0 120
Show 21314+1302 BPM2385 16 96.4 123
Show 21209+1140 BPM2361 54 111.3 124
Show 21347+0934 GMC 22 65 25.0 126

 
 
WDS 21289+1105 : COMPONENTS
 
 
  A B
B pa=258.7°
sep=1.90"
 
C pa=331.5°
sep=135.28"
pa=332.2°
sep=134.73"
 
 
21289+1105 A
 
 
Name HD 204509 Coord arcsec 2000 212852.79+110505.2 Mag 7.37 Spectral class F4V (yellow-white)
PmRA 71.00 PmDE 14.0 SAO 107165 HIP 106053
Tycho2 1123-02302-1 HD 204509 GC 30071 BD BD+10 4554
Tycho2
Tycho2 1123-02302-1 Pflag P RAmdeg 322.21990153 DEmdeg 11.08480670
PmRA 71.1 PmDE 13.9 E RAmdeg 5 E DEmdeg 6
E pmRA 2.2 E pmDE 2.0 EpRAm 1991.60 EpDEm 1991.44
Num 6 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 7.785 E BTmag 0.016 VTmag 7.372
E VTmag 0.012 Prox 18 TYC T HIP 106053
CCDM A RAdeg 322.21996417 DEdeg 11.08478806 EpRA 1990 1.65
EpDE 1990 1.55 E RAdeg 5.0 E DEdeg 5.9 Posflg D
Corr 0.0
SAO
SAO 107165 DelFlag RA1950 PmRA1950 0.0054
DE1950 PmDE1950 0.026 Vmag 6.7 SpType F2
Double code Source 70 CatNum 30071 DM BD+10 4554
DMcomp BDsup HD 204509 M HD 0
GC 30071 RA1950rad 5.61317904 DE1950rad 0.18963964 PmRA2000 0.0055
PmDE2000 0.022
Hipparcos
Catalog H HIP 106053 Proxy H RAhms 21 28 52.79
DEdms +11 05 05.2 Vmag 6.65 VarFlag R Vmag G
RAdeg 322.22 DEdeg 11.0848 AstroRef A Plx 7.92
CCDM 21289+1106 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 266 Rho 1.787 HD 204509 BD BD+10 4554
CD CP Dm number +10 4554 VIred 0.44
SpType F4II R SpType Coord arcsec 2000 212852.79+110505.2
Hipparcos 2
HIP 106053 Sn 15 So 3 Nc 2
RArad 5.6237992241 DErad 0.1934660582 Plx 9.52 PmRA 75.25
PmDE 19.49 E RArad 0.85 E DErad 0.82 E Plx 0.91
E pmRA 1.09 E pmDE 0.85 Hpmag 6.7275 E Hpmag 0.0009
SHp 0.009 VA 0 BV 0.38 E BV 0.015
VI 0.44
 
 
21289+1105 B
 
 
Coord arcsec 2000 212852.66+110504.8 Mag 7.44 PmRA 71.00 PmDE 14.0
Tycho2 1123-02302-2 Calc delta mag 0.07 Calc coord yes
Tycho2
Tycho2 1123-02302-2 Pflag P RAmdeg 322.21990153 DEmdeg 11.08480670
PmRA 71.1 PmDE 13.9 E RAmdeg 5 E DEmdeg 6
E pmRA 2.2 E pmDE 2.0 EpRAm 1991.60 EpDEm 1991.44
Num 6 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.8 BTmag 7.887 E BTmag 0.016 VTmag 7.437
E VTmag 0.012 Prox 18 TYC T HIP 106053
CCDM B RAdeg 322.21945861 DEdeg 11.08475778 EpRA 1990 1.67
EpDE 1990 1.56 E RAdeg 5.0 E DEdeg 6.0 Posflg D
Corr 0.1
 
 
21289+1105 C
 
 
Coord arcsec 2000 212848.40+110704.0 Mag 10.2 PmRA -32.00 PmDE -28.0
Tycho2 1123-01498-1 Calc delta mag 2.83 Calc coord yes
Tycho2
Tycho2 1123-01498-1 Pflag RAmdeg 322.20178386 DEmdeg 11.11813032
PmRA -34.1 PmDE -30.2 E RAmdeg 27 E DEmdeg 34
E pmRA 1.6 E pmDE 1.6 EpRAm 1987.94 EpDEm 1984.88
Num 5 Q RAmdeg 1.5 Q DEmdeg 0.9 Q pmRA 1.5
Q pmDE 0.9 BTmag 10.793 E BTmag 0.055 VTmag 10.200
E VTmag 0.047 Prox 999 TYC T HIP
CCDM RAdeg 322.20186500 DEdeg 11.11820111 EpRA 1990 1.62
EpDE 1990 1.53 E RAdeg 27.8 E DEdeg 36.0 Posflg
Corr -0.1