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Doubles in session


Current system
20168-0204
TDT 2138


Nearby doubles
31' : 20166-0234
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WSP 74AB

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RST4662

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BRT 499

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RST5154

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STF2643

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STF2654

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HJ 909

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SKF 924



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20168-0204 TDT 2138

 
 
20h 16m 45.85s -02° 04' 01.5" P.A. 69.00 sep 0.5 mag 10.40,10.57 Sp K8
 
 
Coord 2000 20168-0204 Discov num TDT2138 Comp Coord arcsec 2000 20 16 45.85 -02 04 01.5
Date first 1991 Date last 1991 Obs 1
Pa first 69 Pa last 69.4 P.A. Now (θ) 69.4°
Sep first 0.5 Sep last 0.53 Sep. Now (ρ) 0.53"
Mag pri 10.40 Mag sec 10.57 delta mag (ΔM) 0.17 Spectral class K8 (yellow-orange)
Pri motion ra -180 Sec motion ra -180
Pri motion dec +056 Sec motion dec +056
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Tycho2 5166-00978-1 Gaia DR2 4223098375581950080
 
 
WDS 20168-0204 TDT 2138 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20168-0204 TDT2138 1991 1 69 0.5 10.40 10.57 201645.85-020401.5

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

 
 
WDS 20168-0204 TDT 2138 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20168-0204 TDT 2138 : MEASURES
 
 
No records found.

 
 
WDS 20168-0204 : VIRTUAL EYEPIECE
 
 

20168-0204 TDT2138A mag 10.4 Sp K8 20168-0204 TDT2138B sep 0.5 P.A. 69.40 mag 10.57 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 20168-0204 : ALADIN DSS IMAGE @ 20h 16m 45.85s -02° 04' 01.5"
 
 
 
 
WDS 20168-0204 TDT 2138 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20168-0204 TDT2138 distance=1' 20166-0234 GWP2934 distance=31' 20186-0146 BAL 258AB distance=33' 20186-0146 J 1702AC distance=33' 20170-0129 A 868 distance=36' 20143-0209 RST4656 distance=37' 20184-0245 HJ 911 distance=48' 20199-0215 STF2661 distance=48' 20198-0134 RST4663 distance=54' 20195-0239 KPP 468 distance=55' 20127-0209 WSP 80AB (Petra) distance=62' 20127-0209 WSP 80AC (Petra) distance=62' 20127-0209 WSP 80AD (Petra) distance=62' 20127-0209 WSP 80AE (Petra) distance=62' 20127-0209 WSP 80AF (Petra) distance=62' 20127-0209 WSP 80AG (Petra) distance=62' 20127-0209 WSP 80AH (Petra) distance=62' 20182-0105 WSP 74AB distance=64' 20182-0105 WSP 74AC distance=64' 20182-0105 WSP 74AD distance=64' 20182-0105 WSP 74AE distance=64' 20182-0105 WSP 74AF distance=64' 20182-0105 WSP 74AG distance=64' 20182-0105 WSP 74AH distance=64' 20190-0258 RST4662 distance=64' 20125-0217 UC 4121 distance=65' 20134-0246 BRT 497 distance=66' 20212-0158 BRT 499 distance=67' 20204-0107 RST5154 distance=80' 20128-0300 STF2643 distance=82' 20168-0329 RST4659AB distance=86' 20168-0329 TOK 337AC distance=86' 20152-0330 STF2654 distance=90' 20108-0136 BAL 609 distance=95' 20101-0225 J 2297 distance=105' 20227-0319 UC 4161 distance=117' 20237-0104 HDS2913 distance=120' 20248-0220 J 1773 distance=121' 20243-0248 UC 4168 distance=122' 20140-0403 HJ 909 distance=127' 20183+0001 SKF 924 distance=128' 20212-0353 BRT 498 distance=128' 20258-0154 HJ 2960 distance=136' 20214-0407 J 1341 distance=137' 20143+0009 HDS2885 distance=138' 20196-0013 UC 4145 distance=144' 20210+0006 SKF 926 distance=145' 20120+0004 GWP2927 distance=147' 20249-0327 UC 4171 distance=148' 20154-0025 KPP2773 distance=150' 20119+0010 UC 4118 distance=153' 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 20168-0204 TDT2138 69 0.5 1
Show 20166-0234 GWP2934 47 107.0 31
Show 20186-0146 BAL 258 AB 46 5.8 33
Show 20186-0146 J 1702 AC 289 11.7 33
Show 20170-0129 A 868 309 0.2 36
Show 20143-0209 RST4656 139 0.6 37
Show 20184-0245 HJ 911 122 21.5 48
Show 20199-0215 STF2661 341 24.4 48
Show 20198-0134 RST4663 334 1.1 54
Show 20195-0239 KPP 468 45 4.6 55
Show Petra 20127-0209 WSP 80 AB 54 11.3 62
Show Petra 20127-0209 WSP 80 AC 193 19.2 62
Show Petra 20127-0209 WSP 80 AD 213 14.7 62
Show Petra 20127-0209 WSP 80 AE 338 27.3 62
Show Petra 20127-0209 WSP 80 AF 59 28.5 62
Show Petra 20127-0209 WSP 80 AG 30 29.7 62
Show Petra 20127-0209 WSP 80 AH 53 31.1 62
Show 20182-0105 WSP 74 AB 8 11.8 64
Show 20182-0105 WSP 74 AC 193 15.7 64
Show 20182-0105 WSP 74 AD 71 15.9 64
Show 20182-0105 WSP 74 AE 133 19.7 64
Show 20182-0105 WSP 74 AF 218 24.0 64
Show 20182-0105 WSP 74 AG 100 8.0 64
Show 20182-0105 WSP 74 AH 75 21.5 64
Show 20190-0258 RST4662 355 1.2 64
Show 20125-0217 UC 4121 198 9.5 65
Show 20134-0246 BRT 497 275 4.2 66
Show 20212-0158 BRT 499 252 5.0 67
Show 20204-0107 RST5154 301 3.3 80
Show 20128-0300 STF2643 81 3.0 82
Show 20168-0329 RST4659 AB 7 1.8 86
Show 20168-0329 TOK 337 AC 39 127.4 86
Show 20152-0330 STF2654 232 14.4 90
Show 20108-0136 BAL 609 81 6.8 95
Show 20101-0225 J 2297 207 7.4 105
Show 20227-0319 UC 4161 1 30.0 117
Show 20237-0104 HDS2913 1 0.6 120
Show 20248-0220 J 1773 51 4.5 121
Show 20243-0248 UC 4168 194 16.4 122
Show 20140-0403 HJ 909 129 15.3 127
Show 20183+0001 SKF 924 259 35.7 128
Show 20212-0353 BRT 498 184 3.2 128
Show 20258-0154 HJ 2960 232 13.2 136
Show 20214-0407 J 1341 250 3.2 137
Show 20143+0009 HDS2885 132 0.2 138
Show 20196-0013 UC 4145 183 38.5 144
Show 20210+0006 SKF 926 260 56.7 145
Show 20120+0004 GWP2927 150 9.8 147
Show 20249-0327 UC 4171 227 64.7 148
Show 20154-0025 KPP2773 139 2.0 150
Show 20119+0010 UC 4118 28 58.2 153

 
 
WDS 20168-0204 : COMPONENTS
 
 
  A
B pa=69.4°
sep=0.53"
 
 
20168-0204 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201645.85-020401.5 Mag 10.4 Spectral class K8 (yellow-orange)
PmRA -180.00 PmDE 56.0 Tycho2 5166-00978-1
Tycho2
Tycho2 5166-00978-1 Pflag RAmdeg 304.19111648 DEmdeg -2.06706805
PmRA -179.9 PmDE 55.8 E RAmdeg 22 E DEmdeg 31
E pmRA 3.2 E pmDE 3.3 EpRAm 1991.14 EpDEm 1990.29
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 11.249 E BTmag 0.069 VTmag 9.805
E VTmag 0.031 Prox 999 TYC T HIP
CCDM RAdeg 304.19153083 DEdeg -2.06720194 EpRA 1990 1.71
EpDE 1990 1.37 E RAdeg 21.6 E DEdeg 30.5 Posflg
Corr -0.2
 
 
20168-0204 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201645.88-020401.3 Mag 10.57 PmRA -180.00
PmDE 56.0 Calc delta mag 0.17 Calc coord yes