stampa
Login

Filter only those doubles you can observe? Yes, you can!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20178+0612
AG 251 AB
HD 192994


Nearby doubles
17' : 20185+0626
J 2191

18' : 20183+0627
DAM 208AB

33' : 20156+0615
HJL 277

34' : 20158+0555
UC 4129

54' : 20186+0704
HJ 2945

59' : 20142+0635
S 740AB

64' : 20139+0641
GIC 164

64' : 20218+0635
TDT2207

67' : 20166+0507
BU 59

67' : 20150+0519
GWP2930

70' : 20158+0715
DAM 207

73' : 20172+0504
BAL2965

73' : 20198+0716
GRV 331

75' : 20157+0715
LDS1038

81' : 20132+0526
J 1700

81' : 20172+0452
UC 4137

81' : 20130+0533
TDT2094

84' : 20151+0459
KPP4187

84' : 20140+0713
CVR 220

89' : 20209+0727
UC 4153

90' : 20136+0717
TOB 308AB

91' : 20233+0534
OPI 24

92' : 20117+0629
TOB 307AB

93' : 20234+0535
WHC 19

96' : 20139+0456
KPP 913

96' : 20114+0559
J 1339



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.

20178+0612 AG 251 AB (HD 192994)

 
 
20h 17m 46.09s +06° 11' 37.8" P.A. 185.00 sep 7.3 mag 8.61,10.00 Sp A3
 
 
Coord 2000 20178+0612 Discov num AG  251 Comp AB Coord arcsec 2000 20 17 46.09 +06 11 37.8
Date first 1894 Date last 2016 Obs 27
Pa first 187 Pa last 185.4 P.A. Now (θ) 185.4°
Sep first 9.0 Sep last 7.258 Sep. Now (ρ) 7.258"
Mag pri 8.61 Mag sec 10.00 delta mag (ΔM) 1.39 Spectral class A3 (white)
Pri motion ra -004 Sec motion ra -005
Pri motion dec +004 Sec motion dec +002
Notes
rPM=0.395
Nature of this double is uncertain.
 
 
20178+0612 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 192994 20 17 46 +06 11 38 AG 251 AB 2016 27 185 7.3 8.61 10.00 1.39 <===
Show 20 17 46 +06 11 38 AG 251 AC 2015 8 221 87.7 8.61 12.11 3.50
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 192994 Constellation Aquila Tycho2 0508-02203-1 Gaia DR2 4249399617137656576
HD 192994
 
 
WDS 20178+0612 AG 251 AB (HD 192994) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
AG T Astronomische Gesellschaft (see also ref codes KR and WFD)
AG (Mean aperture 8in given in catalog for all AG_ codes)
AG_1903A T j AG - Leipzig 1903LicOB...2..115H
AG_1903A cited by Hussey (Lick Obs. Bull. 2, 115, 1903)
AG_1906A T - AG - Leipzig 1906QB821.B972.....
AG_1906A +Ma cited in BDS (Burnham Double Star Cat.), 1906
AG_1906B T - AG - Leipzig 1906MmRAS..56....1L
AG_1906B cited by Lewis (MemRAS 56, 1, 1906)
AG_1906C T - AG - Lund 1906QB821.B972.....
AG_1906C cited in BDS (Burnham Double Star Cat.), 1906
AG_1906D T - AG - Strasbourg 1906QB821.B972.....
AG_1906D cited by Burnham (Burnham Double Star Cat.), 1906
AG_1913A T - AG - Albany 1913QB811.B8.......
AG_1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913B T - AG - Berlin 1913QB811.B8.......
AG_1913B cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913C T - AG - Bonn 1913QB811.B8.......
AG_1913C cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913D T - AG - Cambridge, England 1913QB811.B8.......
AG_1913D cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913E T - AG - Christiania 1913QB811.B8.......
AG_1913E cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913F T - AG - Harvard 1913QB811.B8.......
AG_1913F cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913G T - AG - Helsingfors 1913QB811.B8.......
AG_1913G cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913H T - AG - Leiden 1913QB811.B8.......
AG_1913H cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913I T - AG - Leipzig 1913QB811.B8.......
AG_1913I cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913J T - AG - Lund 1913QB811.B8.......
AG_1913J cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913K T - AG - Strasbourg 1913QB811.B8.......
AG_1913K cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913L T - AG - Wien-Ottakring 1913QB811.B8.......
AG_1913L cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913M T - AG - Oxford 1913QB811.B8.......
AG_1913M cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1932A T - AG - Leipzig 1932QB821.A43......
AG_1932A cited in ADS (Aitken Double Star Cat.), 1932
AG_1932B T - AG - Berlin 1932QB821.A43......
AG_1932B cited in ADS (Aitken Double Star Cat.), 1932
AG_1932C T - AG - Helsingfors 1932QB821.A43......
AG_1932C cited in ADS (Aitken Double Star Cat.), 1932
AG_1932D T - AG - Bonn 1932QB821.A43......
AG_1932D cited in ADS (Aitken Double Star Cat.), 1932
AG_1932E T - AG - Lund 1932QB821.A43......
AG_1932E cited in ADS (Aitken Double Star Cat.), 1932
AG_1932F T - AG - Cambridge, England 1932QB821.A43......
AG_1932F cited in ADS (Aitken Double Star Cat.), 1932
AG_1932G T - AG - Oxford 1932QB821.A43......
AG_1932G cited in ADS (Aitken Double Star Cat.), 1932
AG_2002A T - AG 2002yCat.1275....0D
AG_2002A cited in CCDM
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20178+0612 AG 251 AB 2000 16 185 7.3 8.61 10.00 A3 D 201746.09+061137.8
20178+0612 AG 251 AB 2011 19 185 7.3 8.61 10.00 A3 D 201746.09+061137.8
20178+0612 AG 251 AB 2013 21 185 7.3 8.61 10.00 A3 201746.09+061137.8
20178+0612 AG 251 AB 2015 22 186 7.1 8.61 10.00 A3 201746.09+061137.8
20178+0612 AG 251 AB 2016 27 185 7.3 8.61 10.00 A3 201746.09+061137.8

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

 
 
WDS 20178+0612 AG 251 AB (HD 192994) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20178+0612 AG 251 AB (HD 192994) : MEASURES
 
 
No records found.

 
 
WDS 20178+0612 (HD 192994) : VIRTUAL EYEPIECE
 
 

20178+0612 AG 251A mag 8.61 Sp A3 20178+0612 AG 251B sep 7.3 P.A. 185.40 mag 10 20178+0612 AG 251C sep 87.4 P.A. 220.90 mag 12.11 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 20178+0612 (HD 192994) : ALADIN DSS IMAGE @ 20h 17m 46.09s +06° 11' 37.8"
 
 
 
 
WDS 20178+0612 AG 251 AB (HD 192994) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20178+0612 AG 251AB distance=0' 20185+0626 J 2191 distance=17' 20183+0627 DAM 208AB distance=18' 20183+0627 DAM 208AC distance=18' 20156+0615 HJL 277 distance=33' 20158+0555 UC 4129 distance=34' 20186+0704 HJ 2945 distance=54' 20142+0635 TOK 627BC distance=59' 20142+0635 TOK 627BD distance=59' 20142+0635 S 740AB distance=59' 20142+0635 TOK 627AC distance=59' 20142+0635 TOK 627AD distance=59' 20139+0641 GIC 164 distance=64' 20218+0635 TDT2207 distance=64' 20166+0507 BU 59 distance=67' 20150+0519 GWP2930 distance=67' 20158+0715 DAM 207 distance=70' 20172+0504 BAL2965 distance=73' 20198+0716 GRV 331 distance=73' 20157+0715 LDS1038 distance=75' 20132+0526 J 1700 distance=81' 20172+0452 UC 4137 distance=81' 20130+0533 TDT2094 distance=81' 20151+0459 KPP4187 distance=84' 20140+0713 CVR 220 distance=84' 20209+0727 UC 4153 distance=89' 20136+0717 TOB 308BC distance=90' 20136+0717 TOB 308AB distance=90' 20233+0534 OPI 24 distance=91' 20117+0629 TOB 307AB distance=92' 20117+0629 TOB 307AC distance=92' 20234+0535 WHC 19 distance=93' 20139+0456 KPP 913 distance=96' 20114+0559 J 1339 distance=96' 20157+0440 A 386 distance=97' 20185+0750 SKF1865 distance=99' 20130+0721 HJ 2938 distance=100' 20183+0430 TDT2152AB distance=102' 20156+0749 STF2656 distance=103' 20167+0429 BAL2964 distance=103' 20106+0632 LUH 15 distance=110' 20246+0531 BU 664AB distance=110' 20246+0531 FOX9034AC distance=110' 20238+0506 J 556 distance=111' 20167+0802 CVR 222 distance=112' 20135+0440 J 550 distance=113' 20193+0418 GWP2938 distance=116' 20159+0419 TDT2129 distance=116' 20187+0416 BAL2531 distance=117' 20256+0604 UC 4177 distance=118' 20254+0700 UC 4176 distance=124' 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 20178+0612 AG 251 AB 185 7.3
Show 20178+0612 AG 251 AC 221 87.7
Show 20185+0626 J 2191 134 4.8 17
Show 20183+0627 DAM 208 AB 8 4.9 18
Show 20183+0627 DAM 208 AC 298 5.3 18
Show 20156+0615 HJL 277 251 114.8 33
Show 20158+0555 UC 4129 89 48.4 34
Show 20186+0704 HJ 2945 55 10.1 54
Show 20142+0635 TOK 627 BC 132 999.9 59
Show 20142+0635 TOK 627 BD 136 999.9 59
Show 20142+0635 S 740 AB 192 43.9 59
Show 20142+0635 TOK 627 AC 134 999.9 59
Show 20142+0635 TOK 627 AD 137 999.9 59
Show 20139+0641 GIC 164 331 101.5 64
Show 20218+0635 TDT2207 258 0.9 64
Show 20166+0507 BU 59 100 8.4 67
Show 20150+0519 GWP2930 25 40.0 67
Show 20158+0715 DAM 207 207 3.8 70
Show 20172+0504 BAL2965 134 17.3 73
Show 20198+0716 GRV 331 323 47.5 73
Show 20157+0715 LDS1038 288 116.0 75
Show 20132+0526 J 1700 217 6.1 81
Show 20172+0452 UC 4137 270 15.2 81
Show 20130+0533 TDT2094 222 0.4 81
Show 20151+0459 KPP4187 70 2.7 84
Show 20140+0713 CVR 220 238 101.7 84
Show 20209+0727 UC 4153 201 23.7 89
Show 20136+0717 TOB 308 BC 63 15.6 90
Show 20136+0717 TOB 308 AB 50 18.9 90
Show 20233+0534 OPI 24 351 9.2 91
Show 20117+0629 TOB 307 AB 182 44.8 92
Show 20117+0629 TOB 307 AC 184 8.8 92
Show 20234+0535 WHC 19 178 2.0 93
Show 20139+0456 KPP 913 169 7.5 96
Show 20114+0559 J 1339 13 2.6 96
Show 20157+0440 A 386 83 2.8 97
Show 20185+0750 SKF1865 240 56.6 99
Show 20130+0721 HJ 2938 146 20.0 100
Show 20183+0430 TDT2152 AB 50 0.5 102
Show 20156+0749 STF2656 233 9.7 103
Show 20167+0429 BAL2964 321 10.3 103
Show 20106+0632 LUH 15 6 143.5 110
Show 20246+0531 BU 664 AB 287 9.0 110
Show 20246+0531 FOX9034 AC 89 35.6 110
Show 20238+0506 J 556 187 2.9 111
Show 20167+0802 CVR 222 285 97.6 112
Show 20135+0440 J 550 141 4.2 113
Show 20193+0418 GWP2938 333 50.7 116
Show 20159+0419 TDT2129 262 2.3 116
Show 20187+0416 BAL2531 56 16.1 117
Show 20256+0604 UC 4177 278 14.3 118

 
 
WDS 20178+0612 : COMPONENTS
 
 
  A B
B pa=185.4°
sep=7.26"
 
C pa=220.9°
sep=87.43"
pa=223.9°
sep=81.64"
 
 
20178+0612 A
 
 
Name HD 192994 Coord arcsec 2000 201746.09+061137.8 Mag 8.61 Spectral class A3 (white)
PmRA -4.00 PmDE 4.0 Tycho2 0508-02203-1 HD 192994
Tycho2
Tycho2 0508-02203-1 Pflag RAmdeg 304.44206783 DEmdeg 6.19383471
PmRA -3.9 PmDE 3.7 E RAmdeg 7 E DEmdeg 9
E pmRA 2.0 E pmDE 1.9 EpRAm 1991.45 EpDEm 1991.07
Num 6 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 0.9 BTmag 9.052 E BTmag 0.018 VTmag 8.614
E VTmag 0.015 Prox 999 TYC T HIP
CCDM RAdeg 304.44207694 DEdeg 6.19382583 EpRA 1990 1.63
EpDE 1990 1.39 E RAdeg 7.1 E DEdeg 8.6 Posflg
Corr -0.2
 
 
20178+0612 B
 
 
Coord arcsec 2000 201746.04+061130.6 Mag 10 PmRA -5.00 PmDE 2.0
Calc delta mag 1.39 Calc coord yes
 
 
20178+0612 C
 
 
Coord arcsec 2000 201742.25+061031.7 Mag 12.11 PmRA 3.00 PmDE -14.0
Calc delta mag 3.5 Calc coord yes