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Doubles in session


Current system
18508+0842
HU 256
HD 174571


Nearby doubles
2' : 18507+0843
J 1835

10' : 18504+0850
J 530

14' : 18510+0854
J 2532

19' : 18504+0900
BRT2610

27' : 18496+0823
HEI 805

36' : 18502+0807
J 2236

36' : 18503+0807
HU 254

41' : 18480+0841
HU 253

44' : 18498+0801
HJ 869

44' : 18528+0811
TDT1106

50' : 18535+0912
ROE 112AB

50' : 18474+0841
ELP 43

57' : 18477+0916
HU 252AB

57' : 18469+0856
J 2148AB

60' : 18510+0942
TDT1084

63' : 18549+0830
HU 259

65' : 18551+0838
J 1276

66' : 18488+0745
J 1274

67' : 18511+0949
J 2927AB

70' : 18463+0821
TDT1045

73' : 18479+0743
STF2389

74' : 18556+0832
J 3205

74' : 18556+0833
J 3204

75' : 18555+0816
J 1191

76' : 18490+0732
J 808

89' : 18458+0755
TDT1040



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.

18508+0842 HU 256 (HD 174571)

 
 
18h 50m 47.17s +08° 42' 10.0" P.A. 41.00 sep 4.3 mag 8.95,12.35 Sp B3V:pe dist. 884.96 pc (2886.74 l.y.)
 
 
Coord 2000 18508+0842 Discov num HU  256 Comp Coord arcsec 2000 18 50 47.17 +08 42 10.0
Date first 1900 Date last 2015 Obs 8
Pa first 43 Pa last 41.1 P.A. Now (θ) 41.1°
Sep first 4.5 Sep last 4.331 Sep. Now (ρ) 4.331"
Mag pri 8.95 Mag sec 12.35 delta mag (ΔM) 3.4 Spectral class B3V:pe (blue-white)
Pri motion ra -004 Sec motion ra -002
Pri motion dec -005 Sec motion dec -001
Notes
rPM=0.698
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 174571 Constellation Aquila SAO 123966 HIP 92477
Tycho2 1026-02065-1 Gaia DR2 4311085453600069376 HD 174571 BD BD+08 3866
Distance 884.96 Distance ly 2886.74
 
 
WDS 18508+0842 HU 256 (HD 174571) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 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
18508+0842 HU 256 1991 7 41 4.3 8.95 12.35 B3V:pe 185047.17+084210.0
18508+0842 HU 256 2015 8 41 4.3 8.95 12.35 B3V:pe 185047.17+084210.0

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

 
 
WDS 18508+0842 HU 256 (HD 174571) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18508+0842 HU 256 (HD 174571) : MEASURES
 
 
No records found.

 
 
WDS 18508+0842 (HD 174571) : VIRTUAL EYEPIECE
 
 

18508+0842 HU 256A mag 8.95 Sp B3V:pe 18508+0842 HU 256B sep 4.3 P.A. 40.80 mag 12.35 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 18508+0842 (HD 174571) : ALADIN DSS IMAGE @ 18h 50m 47.17s +08° 42' 10.0"
 
 
 
 
WDS 18508+0842 HU 256 (HD 174571) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18508+0842 HU 256 distance=1' 18507+0843 J 1835 distance=2' 18504+0850 J 530 distance=10' 18510+0854 J 2532 distance=14' 18504+0900 BRT2610 distance=19' 18496+0823 HEI 805 distance=27' 18502+0807 J 2236 distance=36' 18503+0807 HU 254 distance=36' 18480+0841 HU 253 distance=41' 18498+0801 HJ 869 distance=44' 18528+0811 TDT1106 distance=44' 18535+0912 ROE 112BC distance=50' 18535+0912 ROE 112AB distance=50' 18535+0912 ROE 112AC distance=50' 18474+0841 ELP 43 distance=50' 18477+0916 HU 252AB distance=57' 18477+0916 GII 271Aa,Ab distance=57' 18469+0856 DAM 120BC distance=57' 18469+0856 J 2148AB distance=57' 18510+0942 TDT1084 distance=60' 18549+0830 HU 259 distance=63' 18551+0838 J 1276 distance=65' 18488+0745 J 1274 distance=66' 18511+0949 J 2927AB distance=67' 18511+0949 DAM 123AC distance=67' 18463+0821 TDT1045 distance=70' 18479+0743 STF2389 distance=73' 18556+0832 J 3205 distance=74' 18556+0833 J 3204 distance=74' 18555+0816 J 1191 distance=75' 18490+0732 J 808 distance=76' 18458+0755 TDT1040 distance=89' 18456+0754 TDT1038 distance=91' 18515+1019 BU 1464CD distance=98' 18515+1019 HJ 870AB distance=98' 18515+1019 HJ 870AC distance=98' 18495+0705 HJ 867 distance=100' 18571+0914 J 2157 distance=101' 18513+1022 SMA 82 distance=101' 18462+1001 HEI 804 distance=105' 18461+1000 J 1215 distance=105' 18549+0716 J 1275 distance=107' 18447+0747 J 2921 distance=108' 18478+1022 TDT1058 distance=110' 18477+1029 BRT1310 distance=116' 18497+1038 BPM 851 distance=117' 18577+0942 HJ 5505 distance=119' 18510+1041 BPM 869 distance=120' 18497+1041 STF2402 distance=120' 18533+1037 RAS 10 distance=122' 18456+0708 KPP1100 distance=122' 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 18508+0842 HU 256 41 4.3 1
Show 18507+0843 J 1835 176 8.5 2
Show 18504+0850 J 530 185 3.7 10
Show 18510+0854 J 2532 277 4.7 14
Show 18504+0900 BRT2610 353 4.0 19
Show 18496+0823 HEI 805 214 2.8 27
Show 18502+0807 J 2236 185 4.6 36
Show 18503+0807 HU 254 157 1.1 36
Show 18480+0841 HU 253 311 0.7 41
Show 18498+0801 HJ 869 260 10.1 44
Show 18528+0811 TDT1106 257 0.5 44
Show 18535+0912 ROE 112 BC 223 36.3 50
Show 18535+0912 ROE 112 AB 239 7.3 50
Show 18535+0912 ROE 112 AC 226 43.3 50
Show 18474+0841 ELP 43 58 7.0 50
Show 18477+0916 HU 252 AB 16 0.1 57
Show 18477+0916 GII 271 Aa,Ab 175 0.1 57
Show 18469+0856 DAM 120 BC 91 8.1 57
Show 18469+0856 J 2148 AB 168 5.2 57
Show 18510+0942 TDT1084 6 0.5 60
Show 18549+0830 HU 259 3 0.2 63
Show 18551+0838 J 1276 107 3.0 65
Show 18488+0745 J 1274 153 3.1 66
Show 18511+0949 J 2927 AB 304 3.1 67
Show 18511+0949 DAM 123 AC 143 5.5 67
Show 18463+0821 TDT1045 302 0.7 70
Show 18479+0743 STF2389 310 31.9 73
Show 18556+0832 J 3205 148 6.2 74
Show 18556+0833 J 3204 88 5.8 74
Show 18555+0816 J 1191 39 8.9 75
Show 18490+0732 J 808 343 1.6 76
Show 18458+0755 TDT1040 186 2.3 89
Show 18456+0754 TDT1038 238 0.4 91
Show 18515+1019 BU 1464 CD 23 22.0 98
Show 18515+1019 HJ 870 AB 219 11.6 98
Show 18515+1019 HJ 870 AC 248 65.8 98
Show 18495+0705 HJ 867 299 9.7 100
Show 18571+0914 J 2157 359 4.3 101
Show 18513+1022 SMA 82 244 13.9 101
Show 18462+1001 HEI 804 129 1.7 105
Show 18461+1000 J 1215 128 1.8 105
Show 18549+0716 J 1275 198 2.4 107
Show 18447+0747 J 2921 180 6.0 108
Show 18478+1022 TDT1058 212 0.4 110
Show 18477+1029 BRT1310 21 3.9 116
Show 18497+1038 BPM 851 221 85.7 117
Show 18577+0942 HJ 5505 122 14.4 119
Show 18510+1041 BPM 869 237 83.3 120
Show 18497+1041 STF2402 208 1.5 120
Show 18533+1037 RAS 10 137 0.0 122
Show 18456+0708 KPP1100 154 8.7 122

 
 
WDS 18508+0842 : COMPONENTS
 
 
  A
B pa=40.8°
sep=4.31"
 
 
18508+0842 A
 
 
Componente originario normalizzato AB Name HD 174571 Coord arcsec 2000 185047.17+084210.0 Mag 8.95
Spectral class B3V:pe (blue-white) PmRA -4.00 PmDE -5.0 SAO 123966
HIP 92477 Tycho2 1026-02065-1 HD 174571 BD BD+08 3866
Tycho2
Tycho2 1026-02065-1 Pflag RAmdeg 282.69655559 DEmdeg 8.70279513
PmRA -4.0 PmDE -4.9 E RAmdeg 10 E DEmdeg 12
E pmRA 1.6 E pmDE 1.5 EpRAm 1990.90 EpDEm 1990.36
Num 9 Q RAmdeg 2.2 Q DEmdeg 2.2 Q pmRA 2.2
Q pmDE 2.5 BTmag 9.480 E BTmag 0.021 VTmag 8.949
E VTmag 0.017 Prox 43 TYC T HIP 92477
CCDM A RAdeg 282.69656222 DEdeg 8.70280222 EpRA 1990 1.84
EpDE 1990 1.76 E RAdeg 9.9 E DEdeg 11.6 Posflg
Corr -0.2
SAO
SAO 123966 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 0.017 Vmag 8.7 SpType B2
Double code Source 32 CatNum 8852 DM BD+08 3866
DMcomp BDsup HD 174571 M HD 0
GC RA1950rad 4.92352515 DE1950rad 0.15085337 PmRA2000 -0.0009
PmDE2000 0.016
Hipparcos
Catalog H HIP 92477 Proxy H RAhms 18 50 47.18
DEdms +08 42 10.1 Vmag 8.87 VarFlag R Vmag G
RAdeg 282.697 DEdeg 8.7028 AstroRef A Plx 0.47
CCDM 18508+0842 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual B M HIP AB
Theta 41 Rho 4.296 HD 174571 BD BD+08 3866
CD CP Dm number +08 3866 VIred 0.68
SpType B3V:pe R SpType Coord arcsec 2000 185047.18+084210.1
Hipparcos 2
HIP 92477 Sn 15 So 3 Nc 2
RArad 4.9339858257 DErad 0.1518926038 Plx 1.13 PmRA 0.44
PmDE -0.41 E RArad 1.21 E DErad 0.94 E Plx 1.46
E pmRA 1.38 E pmDE 1.14 Hpmag 8.9494 E Hpmag 0.0033
SHp 0.019 VA 0 BV 0.61 E BV 0.096
VI 0.68
CCDM
Ccdm 18508+0842 RComp Comp A Note1
Note2 Discov num DRAs -0.81 DDEs 11.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.4 Sp B8 PmNote *
PmRA 7 PmDE 14 Dm number +08 3866 Cat1 BD
Name2 +08 2393 Cat2 AGK2/3 HD 174571 M HD
ADS BDS A11751 M ADS BDS N IDS IDS 18460N0835A
HIC 92477
 
 
18508+0842 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185047.36+084213.3 Mag 12.35 PmRA -2.00
PmDE -1.0 Calc delta mag 3.4 Calc coord yes
CCDM
Ccdm 18508+0842 RComp Comp B Note1
Note2 Discov num HU 256 DRAs DDEs
R dRAs Year 1900 Theta 043 Rho 4.4
Obs 3 Vmag 12.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11751 M ADS BDS N IDS IDS 18460N0835B
HIC 92477