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Current system
19206+0256
HWE 47
HD 181527


Nearby doubles
17' : 19201+0242
J 1283

25' : 19220+0310
H 5 31

27' : 19203+0231
GWP2841

30' : 19187+0301
GRV 253

46' : 19220+0337
TDT1402

49' : 19178+0317
A 2268

53' : 19203+0348
A 2270

56' : 19171+0311
J 2960AB

57' : 19243+0305
HJ 885AB

61' : 19213+0156
BAL1517

62' : 19234+0210
TDT1412

63' : 19248+0254
BAL1985

66' : 19181+0351
HEI 873

67' : 19248+0235
BAL1984AB

67' : 19202+0403
STF2498AB

69' : 19192+0401
HJ 2864

69' : 19248+0231
J 2965

69' : 19213+0404
BAL2509

74' : 19255+0307
BUP 190AB

74' : 19252+0227
STF2513

78' : 19215+0412
HJ 883

78' : 19257+0314
HEI 811

78' : 19199+0413
A 2269

79' : 19255+0325
A 2271

82' : 19158+0218
BAL1982AB

83' : 19160+0214
TDT1332



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19206+0256 HWE 47 (HD 181527)

 
 
19h 20m 38.90s +02° 56' 15.7" P.A. 304.00 sep 0.5 mag 7.91,8.88 Sp A2 dist. 184.16 pc (600.73 l.y.)
 
 
Coord 2000 19206+0256 Discov num HWE  47 Comp Coord arcsec 2000 19 20 38.90 +02 56 15.7
Date first 1879 Date last 2017 Obs 59
Pa first 329 Pa last 303.8 P.A. Now (θ) 303.8°
Sep first 0.4 Sep last 0.549 Sep. Now (ρ) 0.549"
Mag pri 7.91 Mag sec 8.88 delta mag (ΔM) 0.97 Spectral class A2 (white)
Pri motion ra +019 Sec motion ra +019
Pri motion dec +005 Sec motion dec +005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 181527 Constellation Aquila SAO 124525 HIP 95079
Tycho2 0468-02507-1 Gaia DR2 4291976044594609536 HD 181527 GC 26675
ADS 12329 BD BD+02 3856 Distance 184.16 Distance ly 600.73
 
 
WDS 19206+0256 HWE 47 (HD 181527) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hwe1876 Ma - Howe, H.A. 1876PCinO...1....1.
Hwe1876 Pub. Cincinnati Obs. #1, 1876
Hwe1877 Ma - Howe, H.A. 1877PCinO...3....1.
Hwe1877 Pub. Cincinnati Obs. #3, 1877
Hwe1878 Ma j Howe, H.A. 1878PCinO...4....1.
Hwe1878 Pub. Cincinnati Obs. #4, 1878
Hwe1879 Ma j Howe, H.A. 1879PCinO...5....1.
Hwe1879 Pub. Cincinnati Obs. #5, 1879
Hwe1882 Ma - Howe, H.A. 1882PCinO...6....1.
Hwe1882 Pub. Cincinnati Obs. #6, 1882
Hwe1906A Ma - Howe, H.A. 1906MmRAS..56....1L
Hwe1906A cited by Lewis (MemRAS 56, 1, 1906)
Hwe1932A - Howe, H.A. 1932QB821.A43......
Hwe1932A cited in ADS (Aitken Double Star Cat.), 1932
Hwe9999 Ma - Howe, H.A. ...................
Hwe9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19206+0256 HWE 47 1997 66 305 0.4 7.91 8.88 A2 D 192038.90+025615.7
19206+0256 HWE 47 2017 58 305 0.5 7.91 8.88 A2 192038.90+025615.7

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

 
 
WDS 19206+0256 HWE 47 (HD 181527) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19206+0256 HWE 47 (HD 181527) : MEASURES
 
 
No records found.

 
 
WDS 19206+0256 (HD 181527) : VIRTUAL EYEPIECE
 
 

19206+0256 HWE 47A mag 7.91 Sp A2 19206+0256 HWE 47B sep 0.6 P.A. 303.80 mag 8.88 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19206+0256 (HD 181527) : ALADIN DSS IMAGE @ 19h 20m 38.90s +02° 56' 15.7"
 
 
 
 
WDS 19206+0256 HWE 47 (HD 181527) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19206+0256 HWE 47 distance=1' 19201+0242 J 1283 distance=17' 19220+0310 H 5 31 distance=25' 19203+0231 GWP2841 distance=27' 19187+0301 GRV 253 distance=30' 19220+0337 TDT1402 distance=46' 19178+0317 A 2268 distance=49' 19203+0348 A 2270 distance=53' 19171+0311 J 2960BC distance=55' 19171+0311 J 2960AB distance=56' 19243+0305 HJ 885AB distance=57' 19243+0305 J 2694AC distance=57' 19213+0156 BAL1517 distance=61' 19234+0210 TDT1412 distance=62' 19248+0254 BAL1985 distance=63' 19181+0351 HEI 873 distance=66' 19248+0235 BAL1984AB distance=67' 19248+0235 FYM 273BC distance=67' 19202+0403 STF2498AB distance=67' 19202+0403 BOT 2AC distance=67' 19202+0403 TOB 299AD distance=67' 19192+0401 HJ 2864 distance=69' 19248+0231 J 2965 distance=69' 19213+0404 BAL2509 distance=69' 19255+0307 BNU 6Aa,Ab distance=74' 19255+0307 BUP 190AB distance=74' 19255+0307 VLM 1AC distance=74' 19252+0227 STF2513 distance=74' 19215+0412 HJ 883 distance=78' 19257+0314 HEI 811 distance=78' 19199+0413 A 2269 distance=78' 19255+0325 A 2271 distance=79' 19255+0325 GII 283Aa,Ab distance=79' 19158+0218 HEI 810Aa,Ab distance=82' 19158+0218 BAL1982AB distance=82' 19160+0214 TDT1332 distance=83' 19204+0417 GCB 38 distance=83' 19150+0250 BAL1981 distance=85' 19259+0216 BAL1988 distance=89' 19227+0415 GCB 39 distance=90' 19172+0143 B 2875 distance=91' 19146+0251 BAL1980 distance=91' 19170+0144 BAL1516 distance=92' 19249+0150 H 6 47 distance=92' 19243+0410 J 148 distance=93' 19259+0208 BAL1518 distance=93' 19263+0216 BAL1989 distance=95' 19267+0229 KPP 708 distance=95' 19264+0218 BAL1990 distance=96' 19168+0141 BAL1515 distance=96' 19149+0209 BAL1514 distance=97' 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 19206+0256 HWE 47 304 0.5 1
Show 19201+0242 J 1283 290 3.6 17
Show 19220+0310 H 5 31 65 31.7 25
Show 19203+0231 GWP2841 264 98.2 27
Show 19187+0301 GRV 253 195 49.8 30
Show 19220+0337 TDT1402 181 0.9 46
Show 19178+0317 A 2268 189 0.6 49
Show 19203+0348 A 2270 54 4.7 53
Show 19171+0311 J 2960 BC 42 6.5 55
Show 19171+0311 J 2960 AB 95 24.6 56
Show 19243+0305 HJ 885 AB 140 6.0 57
Show 19243+0305 J 2694 AC 140 7.8 57
Show 19213+0156 BAL1517 138 8.6 61
Show 19234+0210 TDT1412 113 0.6 62
Show 19248+0254 BAL1985 302 16.0 63
Show 19181+0351 HEI 873 288 2.7 66
Show 19248+0235 BAL1984 AB 118 15.9 67
Show 19248+0235 FYM 273 BC 200 18.8 67
Show 19202+0403 STF2498 AB 65 12.1 67
Show 19202+0403 BOT 2 AC 101 171.9 67
Show 19202+0403 TOB 299 AD 113 135.9 67
Show 19192+0401 HJ 2864 216 20.4 69
Show 19248+0231 J 2965 340 3.5 69
Show 19213+0404 BAL2509 213 9.3 69
Show 19255+0307 BNU 6 Aa,Ab 130 0.1 74
Show 19255+0307 BUP 190 AB 266 137.0 74
Show 19255+0307 VLM 1 AC 338 34.3 74
Show 19252+0227 STF2513 330 2.0 74
Show 19215+0412 HJ 883 302 9.2 78
Show 19257+0314 HEI 811 257 1.5 78
Show 19199+0413 A 2269 6 0.2 78
Show 19255+0325 A 2271 269 2.1 79
Show 19255+0325 GII 283 Aa,Ab 130 0.1 79
Show 19158+0218 HEI 810 Aa,Ab 67 1.6 82
Show 19158+0218 BAL1982 AB 27 17.3 82
Show 19160+0214 TDT1332 27 0.7 83
Show 19204+0417 GCB 38 161 4.5 83
Show 19150+0250 BAL1981 105 4.6 85
Show 19259+0216 BAL1988 125 7.7 89
Show 19227+0415 GCB 39 268 3.4 90
Show 19172+0143 B 2875 142 0.2 91
Show 19146+0251 BAL1980 258 16.3 91
Show 19170+0144 BAL1516 272 10.7 92
Show 19249+0150 H 6 47 95 96.5 92
Show 19243+0410 J 148 164 5.2 93
Show 19259+0208 BAL1518 354 8.3 93
Show 19263+0216 BAL1989 54 10.8 95
Show 19267+0229 KPP 708 275 6.3 95
Show 19264+0218 BAL1990 188 2.4 96
Show 19168+0141 BAL1515 166 4.6 96
Show 19149+0209 BAL1514 172 8.5 97

 
 
WDS 19206+0256 : COMPONENTS
 
 
  A
B pa=303.8°
sep=0.55"
 
 
19206+0256 A
 
 
Componente originario normalizzato AB Name HD 181527 Coord arcsec 2000 192038.90+025615.7 Mag 7.91
Spectral class A2 (white) PmRA 19.00 PmDE 5.0 SAO 124525
HIP 95079 Tycho2 0468-02507-1 HD 181527 GC 26675
ADS 12329 BD BD+02 3856
Tycho2
Tycho2 0468-02507-1 Pflag RAmdeg 290.16206619 DEmdeg 2.93771023
PmRA 19.2 PmDE 5.0 E RAmdeg 5 E DEmdeg 6
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.50 EpDEm 1991.37
Num 9 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.1 BTmag 7.874 E BTmag 0.015 VTmag 7.604
E VTmag 0.011 Prox 999 TYC T HIP 95079
CCDM AB RAdeg 290.16202250 DEdeg 2.93769889 EpRA 1990 1.77
EpDE 1990 1.68 E RAdeg 4.5 E DEdeg 5.6 Posflg P
Corr 0.0
SAO
SAO 124525 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 0 Vmag 7.4 SpType A2
Double code Source 70 CatNum 26675 DM BD+02 3856
DMcomp BDsup HD 181527 M HD 0
GC 26675 RA1950rad 5.05332506 DE1950rad 0.04961839 PmRA2000 0.0009
PmDE2000 -0.002
Hipparcos
Catalog H HIP 95079 Proxy H RAhms 19 20 38.90
DEdms +02 56 15.6 Vmag 7.52 VarFlag R Vmag H
RAdeg 290.162 DEdeg 2.93766 AstroRef A Plx 5.93
CCDM 19206+0256 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 309 Rho 0.53 HD 181527 BD BD+02 3856
CD CP Dm number +02 3856 VIred 0.17
SpType A2 R SpType Coord arcsec 2000 192038.90+025615.6
Hipparcos 2
HIP 95079 Sn 15 So 3 Nc 2
RArad 5.064283385 DErad 0.0512718304 Plx 5.43 PmRA 17.36
PmDE 7.15 E RArad 1.33 E DErad 0.84 E Plx 1.29
E pmRA 1.86 E pmDE 1.14 Hpmag 7.5933 E Hpmag 0.0013
SHp 0.01 VA 0 BV 0.263 E BV 0.013
VI 0.3
CCDM
Ccdm 19206+0256 RComp Comp A Note1
Note2 Discov num DRAs 2.86 DDEs 16.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.3 Sp A2 PmNote *
PmRA 10 PmDE 16 Dm number +02 3856 Cat1 BD
Name2 +02 2419 Cat2 AGK2/3 HD 181527 M HD
ADS BDS A12329 M ADS BDS N IDS IDS 19156N0245A
HIC 95079
 
 
19206+0256 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 192038.87+025616.0 Mag 8.88 PmRA 19.00
PmDE 5.0 Calc delta mag 0.97 Calc coord yes
CCDM
Ccdm 19206+0256 RComp Comp B Note1
Note2 Discov num HWE 47 DRAs DDEs
R dRAs Year 1958 Theta 318 Rho 0.5
Obs 22 Vmag 8.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12329 M ADS BDS N IDS IDS 19156N0245B
HIC 95079