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Current system
19563-3137
TOK 698
Phi Aql


Nearby doubles
27' : 19544-3148
TSN 192

27' : 19553-3200
LDS5891

31' : 19561-3208
UC 4054AB

37' : 19562-3100
RST2123

40' : 19538-3201
RST2122

47' : 19551-3221
DAW 76AB

55' : 19540-3051
BRT3088

63' : 20011-3145
UC 4065

64' : 19559-3240
DBR 198

67' : 19560-3242
BRT1804

70' : 19517-3100
TSN 191

71' : 19508-3150
KPP2511

83' : 19498-3132
RST2120

85' : 19497-3128
LDS4820

88' : 20006-3028
B 461

89' : 19534-3016
I 1406AB

93' : 19513-3243
LDS5887

97' : 20023-3235
RST2130

97' : 19585-3004
HDS2844

99' : 19506-3244
HDS2825

100' : 19487-3113
LDS4819

100' : 20004-3301
RST2128

106' : 20043-3203
HJ 5165

112' : 20035-3240
BRT3353

118' : 19496-3017
I 1404

118' : 20049-3059
UC 4077



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.

19563-3137 TOK 698 (Phi Aql)

 
 
19h 56m 16.66s -31° 36' 48.7" P.A. 239.00 sep 0.1 mag 8.30,9.70 Sp G3V dist. 67.29 pc (219.5 l.y.)
 
 
Coord 2000 19563-3137 Discov num TOK 698 Comp Coord arcsec 2000 19 56 16.66 -31 36 48.7
Date first 2015 Date last 2020 Obs 9
Pa first 59 Pa last 238.5 P.A. Now (θ) 238.5°
Sep first 0.1 Sep last 0.12 Sep. Now (ρ) 0.12"
Mag pri 8.30 Mag sec 9.70 delta mag (ΔM) 1.4 Spectral class G3V (yellow)
Pri motion ra -031 Sec motion ra
Pri motion dec -171 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Phi Aql Constellation Sagittarius SAO 211668 HIP 98103
Tycho2 7439-00300-1 Gaia DR2 6748261690744963840 HD 188432 HR 7610
GC 27604 BD BD+11 4055 CD CD-3117176 CP CP-31 6177
Bayer Phi Aquilae Bayer name Phi Aql FK5 3590 Distance 67.29
Distance ly 219.5 Bayer greek φ Aql
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Aql vs Sgr)
 
 
ORBITAL ELEMENTS
 
 
Period (P)13y Periastron (T)2016.29y Semi-major axis (a)0.1063a
Eccentricity (e)0.292 Inclination (i)90.8° Longitude of periastron (ω)44°
Node (Ω)59.8° Notesn ReferenceTok2020e
Equinox Last observation2019 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 63.8 0.023
2001 60.9 0.061
2002 60.1 0.081
2003 59.4 0.067
2004 55.1 0.013
2005 241.1 0.049
2006 240.2 0.095
2007 239.9 0.120
2008 239.6 0.126
2009 239.3 0.116
2010 238.9 0.093
2011 238.2 0.060
2012 234.8 0.020
2013 63.8 0.023
2014 60.9 0.061
2015 60.1 0.081
2016 59.4 0.067
2017 55.1 0.013
2018 241.1 0.049
2019 240.2 0.095
2020 239.9 0.120
2021 239.6 0.126
2022 239.3 0.116
2023 238.9 0.093
2024 238.2 0.060
2025 234.8 0.020
2026 63.8 0.023
2027 60.9 0.061
2028 60.1 0.081
2029 59.4 0.067
2030 55.1 0.013


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


 
  


wds19563-3137a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19563-3137 TOK 698 (Phi Aql) : NOTES
 
 
discov_num notes refcode
HIP 98108 Acceleration and SB, unresolved here. Tok2013b
 
 
REFERENCES
 
 
refcode metd author reference
Tok2013b A j Tokovinin, A., Hartung, M., & Hayward, T.L. 2013AJ....146....8T
Tok2013b AJ 146, 8, 2013
Tok2020e St j Tokovinin, A., Mason, B.D., Mendez, R.A., Costa, E. & Horch, E.P. 2020AJ....160....7T
Tok2020e +orb AJ 160, 7, 2020
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19563-3137 TOK 698 2015 3 59 0.1 8.30 9.70 G3V 195616.66-313648.7
19563-3137 TOK 698 2018 7 240 0.1 8.30 9.70 G3V N 195616.66-313648.7
19563-3137 TOK 698 2019 8 241 0.1 8.30 9.70 G3V N 195616.66-313648.7
19563-3137 TOK 698 2020 9 239 0.1 8.30 9.70 G3V N 195616.66-313648.7

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

 
 
WDS 19563-3137 TOK 698 (Phi Aql) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19563-3137 TOK 698 (Phi Aql) : MEASURES
 
 
No records found.

 
 
WDS 19563-3137 (Phi Aql) : VIRTUAL EYEPIECE
 
 

19563-3137 TOK 698A mag 8.3 Sp G3V 19563-3137 TOK 698B sep 0.1 P.A. 234.30 mag 9.7 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 19563-3137 (Phi Aql) : ALADIN DSS IMAGE @ 19h 56m 16.66s -31° 36' 48.7"
 
 
 
 
WDS 19563-3137 TOK 698 (Phi Aql) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19563-3137 TOK 698 distance=0' 19544-3148 TSN 192 distance=27' 19553-3200 LDS5891 distance=27' 19561-3208 BWL 53Ba,Bb distance=31' 19561-3208 UC 4054AB distance=31' 19562-3100 RST2123 distance=37' 19538-3201 RST2122 distance=40' 19551-3221 DAW 76AB distance=47' 19551-3221 HJ 5154AC distance=47' 19540-3051 BRT3088 distance=55' 20011-3145 UC 4065 distance=63' 19559-3240 DBR 198 distance=64' 19560-3242 BRT1804 distance=67' 19517-3100 TSN 191 distance=70' 19508-3150 KPP2511 distance=71' 19498-3132 RST2120 distance=83' 19497-3128 LDS4820 distance=85' 20006-3028 B 461 distance=88' 19534-3016 I 1406AB distance=89' 19534-3016 HJ 5152AB,C distance=89' 19513-3243 LDS5887 distance=93' 20023-3235 RST2130 distance=97' 19585-3004 HDS2844 distance=97' 19506-3244 HDS2825 distance=99' 19487-3113 LDS4819 distance=100' 20004-3301 RST2128 distance=100' 20043-3203 HJ 5165 distance=106' 20035-3240 BRT3353 distance=112' 19496-3017 I 1404 distance=118' 20049-3059 UC 4077 distance=118' 19489-3019 LDS5885 distance=121' 19493-3258 B 981 distance=121' 19595-2942 RST2127 distance=123' 20060-3100 LDS5897 distance=131' 19496-2954 BRT3087 distance=134' 20051-3023 BRT3089 distance=135' 20036-3315 OCC1105 distance=136' 20070-3147 VOU 99 distance=138' 19483-3000 HJ 5147 distance=142' 20055-3300 SEE 404AB distance=144' 20055-3300 SEE 404AB,C distance=144' 20075-3150 RST2133 distance=145' 20077-3144 LDS 704 distance=148' 20054-3312 RST5468 distance=151' 20013-2919 LDS5894 distance=152' 20079-3111 RST2135 distance=152' 20062-3015 LDS5899 distance=153' 20083-3117 TDT2012 distance=156' 19565-2902 KPP 447 distance=156' 19578-3413 RST3245 distance=158' 20049-2945 LDS5895 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 19563-3137 TOK 698 239 0.1
Show 19544-3148 TSN 192 167 0.2 27
Show 19553-3200 LDS5891 220 178.4 27
Show 19561-3208 BWL 53 Ba,Bb 316 0.1 31
Show 19561-3208 UC 4054 AB 316 26.3 31
Show 19562-3100 RST2123 195 1.6 37
Show 19538-3201 RST2122 315 0.7 40
Show 19551-3221 DAW 76 AB 358 2.9 47
Show 19551-3221 HJ 5154 AC 212 17.6 47
Show 19540-3051 BRT3088 104 2.5 55
Show 20011-3145 UC 4065 65 42.2 63
Show 19559-3240 DBR 198 113 1.7 64
Show 19560-3242 BRT1804 206 3.3 67
Show 19517-3100 TSN 191 37 0.1 70
Show 19508-3150 KPP2511 236 22.5 71
Show 19498-3132 RST2120 192 3.2 83
Show 19497-3128 LDS4820 320 197.0 85
Show 20006-3028 B 461 262 1.5 88
Show 19534-3016 I 1406 AB 203 0.4 89
Show 19534-3016 HJ 5152 AB,C 150 6.1 89
Show 19513-3243 LDS5887 40 332.0 93
Show 20023-3235 RST2130 334 0.8 97
Show 19585-3004 HDS2844 215 0.3 97
Show 19506-3244 HDS2825 161 20.0 99
Show 19487-3113 LDS4819 120 292.0 100
Show 20004-3301 RST2128 298 0.2 100
Show 20043-3203 HJ 5165 304 54.2 106
Show 20035-3240 BRT3353 293 3.3 112
Show 19496-3017 I 1404 162 1.6 118
Show 20049-3059 UC 4077 282 11.2 118
Show 19489-3019 LDS5885 90 254.0 121
Show 19493-3258 B 981 38 1.7 121
Show 19595-2942 RST2127 117 2.2 123
Show 20060-3100 LDS5897 283 191.0 131
Show 19496-2954 BRT3087 98 2.4 134
Show 20051-3023 BRT3089 48 3.1 135
Show 20036-3315 OCC1105 290 0.0 136
Show 20070-3147 VOU 99 258 2.1 138
Show 19483-3000 HJ 5147 84 12.3 142
Show 20055-3300 SEE 404 AB 112 0.6 144
Show 20055-3300 SEE 404 AB,C 186 21.7 144
Show 20075-3150 RST2133 177 0.3 145
Show 20077-3144 LDS 704 290 42.2 148
Show 20054-3312 RST5468 23 0.8 151
Show 20013-2919 LDS5894 88 224.0 152
Show 20079-3111 RST2135 179 0.9 152
Show 20062-3015 LDS5899 290 237.0 153
Show 20083-3117 TDT2012 98 0.5 156
Show 19565-2902 KPP 447 336 3.7 156
Show 19578-3413 RST3245 119 1.6 158
Show 20049-2945 LDS5895 115 242.0 158

 
 
WDS 19563-3137 : COMPONENTS
 
 
  A
B pa=234.3°
sep=0.11"
 
 
19563-3137 A
 
 
Componente originario normalizzato AB Name Phi Aql Coord arcsec 2000 195616.66-313648.7 Mag 8.3
Spectral class G3V (yellow) PmRA -31.00 PmDE -171.0 SAO 211668
HIP 98108 Tycho2 7439-00300-1 HD 188432 CD CD-3117176
CP CP-31 6177
Tycho2
Tycho2 7439-00300-1 Pflag RAmdeg 299.06943409 DEmdeg -31.61350706
PmRA -32.2 PmDE -166.5 E RAmdeg 6 E DEmdeg 7
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.18 EpDEm 1990.98
Num 11 Q RAmdeg 1.3 Q DEmdeg 0.9 Q pmRA 1.3
Q pmDE 0.8 BTmag 8.842 E BTmag 0.017 VTmag 8.116
E VTmag 0.012 Prox 999 TYC T HIP 98108
CCDM RAdeg 299.06951972 DEdeg -31.61312250 EpRA 1990 1.82
EpDE 1990 1.69 E RAdeg 5.7 E DEdeg 7.1 Posflg
Corr -0.3
SAO
SAO 211668 DelFlag RA1950 PmRA1950 -0.004
DE1950 PmDE1950 -0.161 Vmag 8 SpType G0
Double code Source 40 CatNum 10856 DM CD-3117176
DMcomp BDsup HD 188432 M HD 0
GC RA1950rad 5.20593835 DE1950rad -0.55405088 PmRA2000 -0.004
PmDE2000 -0.163
Hipparcos
Catalog H HIP 98108 Proxy RAhms 19 56 16.69
DEdms -31 36 47.2 Vmag 8.04 VarFlag R Vmag H
RAdeg 299.07 DEdeg -31.6131 AstroRef Plx 15.67
CCDM N CCDM Nsys Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 188432 BD
CD CD-3117176 CP CP-31 6177 Dm number -3117176 VIred 0.72
SpType G3V R SpType Coord arcsec 2000 195616.69-313647.2
Hipparcos 2
HIP 98108 Sn 7 So 1 Nc 1
RArad 5.2197478556 DErad -0.5517526907 Plx 16.97 PmRA -31.1
PmDE -171.38 E RArad 1.29 E DErad 0.73 E Plx 1.06
E pmRA 1.93 E pmDE 1.25 Hpmag 8.179 E Hpmag 0.0016
SHp 0.013 VA 0 BV 0.656 E BV 0.015
VI 0.72
 
 
19563-3137 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 195616.65-313648.8 Mag 9.7 Calc delta mag 1.4
Calc coord yes