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Doubles in session


Current system
20187+0416
BAL 2531


Nearby doubles
11' : 20193+0418
GWP2938

16' : 20183+0430
TDT2152AB

25' : 20203+0412
UC 4150

33' : 20167+0429
BAL2964

33' : 20166+0405
J 1641

41' : 20159+0419
TDT2129

42' : 20172+0452
UC 4137

51' : 20157+0440
A 386

52' : 20172+0504
BAL2965

58' : 20214+0336
BAL2532AB

61' : 20166+0507
BU 59

69' : 20221+0331
UC 4158

69' : 20151+0459
KPP4187

71' : 20200+0308
HJ 913

72' : 20188+0305
UC 4144

75' : 20169+0306
GWP2935

82' : 20135+0440
J 550

82' : 20139+0456
KPP 913

83' : 20149+0315
BAL2021

84' : 20150+0519
GWP2930

85' : 20199+0254
TDT2175

89' : 20162+0255
GWP2933

91' : 20238+0506
J 556

95' : 20213+0250
HLD 158

95' : 20212+0249
TOK 730

97' : 20155+0251
HJ 910AB



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

20187+0416 BAL 2531

 
 
20h 18m 39.26s +04° 15' 47.3" P.A. 56.00 sep 16.1 mag 11.16,11.82
 
 
Coord 2000 20187+0416 Discov num BAL2531 Comp Coord arcsec 2000 20 18 39.26 +04 15 47.3
Date first 1910 Date last 2015 Obs 11
Pa first 52 Pa last 55.5 P.A. Now (θ) 55.5°
Sep first 16.0 Sep last 16.05 Sep. Now (ρ) 16.05"
Mag pri 11.16 Mag sec 11.82 delta mag (ΔM) 0.66 Spectral class
Pri motion ra +001 Sec motion ra +008
Pri motion dec +001 Sec motion dec -010
Notes
rPM=1.018
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Tycho2 0504-01011-1 Gaia DR2 4245863969996274176
 
 
WDS 20187+0416 BAL 2531 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bal1924 Ma - Baillaud, R. 1924JO......7..117B
Bal1924 J. Obs. 7, 117, 1924
Bal1925 Ma - Baillaud, R. 1925JO......8...53B
Bal1925 J. Obs. 8, 53, 1925
Bal1925b Ma j Baillaud, R. 1925JO......8...56B
Bal1925b J. Obs. 8, 56, 1925
Bal1926 Ma - Baillaud, R. 1926JO......9..129P
Bal1926 J. Obs. 9, 129, 1926
Bal1937A Ma - Baillaud, R. 1937AnLei..18....1S
Bal1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
Bal1944 C - Baillaud, R. 1944AnBes...3...33B
Bal1944 +Pa Ann. Obs. Besancon New Ser. 3, 33, 1943
Bal1944 +Po
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20187+0416 BAL2531 2000 4 55 16.1 11.16 11.82 D 201839.26+041547.3
20187+0416 BAL2531 2015 6 56 16.1 11.16 11.82 201839.26+041547.3

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

 
 
WDS 20187+0416 BAL 2531 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20187+0416 BAL 2531 : MEASURES
 
 
No records found.

 
 
WDS 20187+0416 : VIRTUAL EYEPIECE
 
 

20187+0416 BAL2531A mag 11.16 20187+0416 BAL2531B sep 16.0 P.A. 55.40 mag 11.82 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20187+0416 : ALADIN DSS IMAGE @ 20h 18m 39.26s +04° 15' 47.3"
 
 
 
 
WDS 20187+0416 BAL 2531 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20187+0416 BAL2531 distance=0' 20193+0418 GWP2938 distance=11' 20183+0430 TDT2152AB distance=16' 20203+0412 UC 4150 distance=25' 20167+0429 BAL2964 distance=33' 20166+0405 J 1641 distance=33' 20159+0419 TDT2129 distance=41' 20172+0452 UC 4137 distance=42' 20157+0440 A 386 distance=51' 20172+0504 BAL2965 distance=52' 20214+0336 BAL2532AB distance=58' 20214+0336 BAL2532AC distance=58' 20166+0507 BU 59 distance=61' 20221+0331 UC 4158 distance=69' 20151+0459 KPP4187 distance=69' 20200+0308 HJ 913 distance=71' 20188+0305 UC 4144 distance=72' 20169+0306 GWP2935 distance=75' 20135+0440 J 550 distance=82' 20139+0456 KPP 913 distance=82' 20149+0315 BAL2021 distance=83' 20150+0519 GWP2930 distance=84' 20199+0254 TDT2175 distance=85' 20162+0255 GWP2933 distance=89' 20238+0506 J 556 distance=91' 20213+0250 HLD 158 distance=95' 20212+0249 TOK 730 distance=95' 20155+0251 HJ 910AB distance=97' 20155+0251 HJ 910AC distance=97' 20253+0355 UC 4175 distance=102' 20128+0318 BAL2529 distance=105' 20233+0534 OPI 24 distance=106' 20119+0348 STF2641 distance=106' 20253+0453 KPP4195AB distance=107' 20132+0526 J 1700 distance=107' 20234+0535 WHC 19 distance=109' 20158+0555 UC 4129 distance=109' 20113+0425 J 2300 distance=110' 20146+0242 BAL2020 distance=112' 20117+0335 UC 4117 distance=113' 20132+0256 CRI 26 distance=115' 20130+0533 TDT2094 distance=115' 20247+0302 J 1342 distance=116' 20246+0531 BU 664AB distance=116' 20246+0531 FOX9034AC distance=116' 20178+0612 AG 251AB distance=117' 20178+0612 AG 251AC distance=117' 20106+0428 UC 4113 distance=121' 20121+0306 HEI 581 distance=122' 20122+0255 BAL2019 distance=127' 20156+0615 HJL 277 distance=128' 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 20187+0416 BAL2531 56 16.1
Show 20193+0418 GWP2938 333 50.7 11
Show 20183+0430 TDT2152 AB 50 0.5 16
Show 20203+0412 UC 4150 280 19.5 25
Show 20167+0429 BAL2964 321 10.3 33
Show 20166+0405 J 1641 215 7.4 33
Show 20159+0419 TDT2129 262 2.3 41
Show 20172+0452 UC 4137 270 15.2 42
Show 20157+0440 A 386 83 2.8 51
Show 20172+0504 BAL2965 134 17.3 52
Show 20214+0336 BAL2532 AB 271 5.3 58
Show 20214+0336 BAL2532 AC 22 7.3 58
Show 20166+0507 BU 59 100 8.4 61
Show 20221+0331 UC 4158 218 20.6 69
Show 20151+0459 KPP4187 70 2.7 69
Show 20200+0308 HJ 913 144 9.6 71
Show 20188+0305 UC 4144 347 30.8 72
Show 20169+0306 GWP2935 172 46.6 75
Show 20135+0440 J 550 141 4.2 82
Show 20139+0456 KPP 913 169 7.5 82
Show 20149+0315 BAL2021 344 4.5 83
Show 20150+0519 GWP2930 25 40.0 84
Show 20199+0254 TDT2175 164 1.8 85
Show 20162+0255 GWP2933 48 1.3 89
Show 20238+0506 J 556 187 2.9 91
Show 20213+0250 HLD 158 41 1.2 95
Show 20212+0249 TOK 730 146 0.2 95
Show 20155+0251 HJ 910 AB 305 18.3 97
Show 20155+0251 HJ 910 AC 243 36.6 97
Show 20253+0355 UC 4175 87 20.7 102
Show 20128+0318 BAL2529 36 11.3 105
Show 20233+0534 OPI 24 351 9.2 106
Show 20119+0348 STF2641 168 20.7 106
Show 20253+0453 KPP4195 AB 16 11.7 107
Show 20132+0526 J 1700 217 6.1 107
Show 20234+0535 WHC 19 178 2.0 109
Show 20158+0555 UC 4129 89 48.4 109
Show 20113+0425 J 2300 300 4.1 110
Show 20146+0242 BAL2020 159 8.2 112
Show 20117+0335 UC 4117 298 41.9 113
Show 20132+0256 CRI 26 124 32.5 115
Show 20130+0533 TDT2094 222 0.4 115
Show 20247+0302 J 1342 333 2.4 116
Show 20246+0531 BU 664 AB 287 9.0 116
Show 20246+0531 FOX9034 AC 89 35.6 116
Show 20178+0612 AG 251 AB 185 7.3 117
Show 20178+0612 AG 251 AC 221 87.7 117
Show 20106+0428 UC 4113 45 43.8 121
Show 20121+0306 HEI 581 160 0.8 122
Show 20122+0255 BAL2019 46 6.0 127
Show 20156+0615 HJL 277 251 114.8 128

 
 
WDS 20187+0416 : COMPONENTS
 
 
  A
B pa=55.4°
sep=16.02"
 
 
20187+0416 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201839.26+041547.3 Mag 11.16 PmRA 1.00
PmDE 1.0 Tycho2 0504-01011-1
Tycho2
Tycho2 0504-01011-1 Pflag RAmdeg 304.66359489 DEmdeg 4.26314767
PmRA 0.4 PmDE -1.6 E RAmdeg 51 E DEmdeg 51
E pmRA 1.8 E pmDE 1.8 EpRAm 1977.56 EpDEm 1975.70
Num 4 Q RAmdeg 0.2 Q DEmdeg 1.2 Q pmRA 0.2
Q pmDE 1.2 BTmag 12.614 E BTmag 0.239 VTmag 11.158
E VTmag 0.089 Prox 163 TYC T HIP
CCDM RAdeg 304.66359500 DEdeg 4.26313222 EpRA 1990 1.56
EpDE 1990 1.43 E RAdeg 65.1 E DEdeg 72.0 Posflg
Corr -0.3
CCDM
Ccdm 20187+0416 RComp Comp A Note1
Note2 Discov num DRAs -2.72 DDEs -13.4
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20137N0357A
HIC
 
 
20187+0416 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201840.14+041556.4 Mag 11.82 PmRA 8.00
PmDE -10.0 Tycho2 0504-00814-1 Calc delta mag 0.66 Calc coord yes
Tycho2
Tycho2 0504-00814-1 Pflag RAmdeg 304.66732049 DEmdeg 4.26572012
PmRA 11.2 PmDE -9.4 E RAmdeg 93 E DEmdeg 99
E pmRA 2.8 E pmDE 2.8 EpRAm 1973.58 EpDEm 1969.99
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 13.675 E BTmag 0.462 VTmag 11.816
E VTmag 0.178 Prox 163 TYC HIP
CCDM RAdeg 304.66729444 DEdeg 4.26574250 EpRA 1990 1.57
EpDE 1990 1.45 E RAdeg 105.8 E DEdeg 114.8 Posflg
Corr -0.4
CCDM
Ccdm 20187+0416 RComp Comp B Note1
Note2 Discov num BAL2531 DRAs -1.87 DDEs -3.4
R dRAs 65 Year 1910 Theta 052 Rho 16.0
Obs 1 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20137N0357B
HIC