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Current system
18534+3728
HO 89


Nearby doubles
9' : 18540+3723
BU 137AB

17' : 18545+3719
HO 90

17' : 18520+3731
ES 2026AB

18' : 18541+3743
TOI1191

20' : 18523+3713
COU1311

24' : 18536+3752
ES 2027

24' : 18516+3739
ES 2025AB

26' : 18527+3704
UC 3706

31' : 18537+3658
H 6 3

32' : 18550+3702
L 41

35' : 18532+3654
TDT1110

36' : 18546+3656
ELS 7AB

38' : 18545+3654
ES 2028AB

38' : 18559+3707
ES 2486

38' : 18536+3651
UC 3714

46' : 18516+3648
ES 241

46' : 18536+3814
UC 3713

48' : 18551+3645
ES 2485

49' : 18562+3803
UC 3731

52' : 18572+3704
ES 2030AB

62' : 18483+3741
UC 3677

67' : 18496+3818
AG 226

68' : 18530+3621
HJ 1354AB

68' : 18496+3819
FYM 173

72' : 18581+3813
STF2427AB

75' : 18581+3817
MLB 858AB



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

18534+3728 HO 89

 
 
18h 53m 22.33s +37° 28' 23.3" P.A. 170.00 sep 6.0 mag 8.89,12.90 Sp A
 
 
Coord 2000 18534+3728 Discov num HO   89 Comp Coord arcsec 2000 18 53 22.33 +37 28 23.3
Date first 1886 Date last 2017 Obs 16
Pa first 167 Pa last 170 P.A. Now (θ) 170°
Sep first 6.0 Sep last 5.96 Sep. Now (ρ) 5.96"
Mag pri 8.89 Mag sec 12.90 delta mag (ΔM) 4.01 Spectral class A (white)
Pri motion ra +002 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra SAO 67530 Tycho2 2650-01804-1 Gaia DR2 2094006219923685760
HD 175371
 
 
WDS 18534+3728 HO 89 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18534+3728 HO 89 1999 9 169 6.0 8.89 12.90 A D 185322.33+372823.3
18534+3728 HO 89 2010 10 170 5.2 8.89 12.90 A D 185322.33+372823.3
18534+3728 HO 89 2017 13 170 6.0 8.89 12.90 A 185322.33+372823.3

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

 
 
WDS 18534+3728 HO 89 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18534+3728 HO 89 : MEASURES
 
 
No records found.

 
 
WDS 18534+3728 : VIRTUAL EYEPIECE
 
 

18534+3728 HO 89A mag 8.89 Sp A 18534+3728 HO 89B sep 5.9 P.A. 172.00 mag 12.9 virtual eyepiece
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Radius:
Components only
 
 
WDS 18534+3728 : ALADIN DSS IMAGE @ 18h 53m 22.33s +37° 28' 23.3"
 
 
 
 
WDS 18534+3728 HO 89 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18534+3728 HO 89 distance=0' 18540+3723 BU 137AB distance=9' 18540+3723 BU 137AC distance=9' 18520+3731 ES 2026BC distance=16' 18545+3719 HO 90 distance=17' 18520+3731 ES 2026AB distance=17' 18541+3743 TOI1191 distance=18' 18523+3713 COU1311 distance=20' 18536+3752 ES 2027 distance=24' 18516+3739 ES 2025AB distance=24' 18516+3739 ES 2025AD distance=24' 18516+3739 FYM 39AE distance=24' 18516+3739 FYM 39AF distance=24' 18516+3739 FYM 39AG distance=24' 18516+3739 ES 2025BC distance=24' 18516+3739 ES 2025BD distance=24' 18527+3704 UC 3706 distance=26' 18537+3658 H 6 3 distance=31' 18550+3702 L 41 distance=32' 18532+3654 TDT1110 distance=35' 18545+3654 SMR 13HI distance=35' 18545+3654 ES 2028BC distance=36' 18546+3656 ELS 7AB distance=36' 18546+3656 ELS 7AC distance=36' 18545+3654 ES 2028AB distance=38' 18545+3654 SMR 13AD distance=38' 18545+3654 SMR 13AE distance=38' 18545+3654 SMR 13AF distance=38' 18545+3654 SMR 13AG distance=38' 18545+3654 SMR 13AH distance=38' 18545+3654 SMR 13AJ distance=38' 18545+3654 SMR 13AK distance=38' 18559+3707 ES 2486 distance=38' 18536+3651 UC 3714 distance=38' 18516+3648 ES 241 distance=46' 18536+3814 UC 3713 distance=46' 18551+3645 ES 2485 distance=48' 18562+3803 UC 3731 distance=49' 18572+3704 ES 2030AB distance=52' 18572+3704 ES 2030AC distance=52' 18483+3741 UC 3677 distance=62' 18496+3818 AG 226 distance=67' 18530+3621 HJ 1354AB distance=68' 18496+3819 FYM 173 distance=68' 18581+3813 STF2427AB distance=72' 18581+3813 CTT 11AD distance=72' 18581+3813 STF2427AC distance=72' 18581+3813 SP 2AE distance=72' 18581+3813 STF2427BC distance=73' 18581+3813 SP 2BE distance=73' 18581+3813 SMR 14EF distance=73' 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 18534+3728 HO 89 170 6.0
Show 18540+3723 BU 137 AB 167 1.6 9
Show 18540+3723 BU 137 AC 146 23.6 9
Show 18520+3731 ES 2026 BC 334 4.6 16
Show 18545+3719 HO 90 228 4.0 17
Show 18520+3731 ES 2026 AB 112 20.5 17
Show 18541+3743 TOI1191 86 0.7 18
Show 18523+3713 COU1311 226 1.3 20
Show 18536+3752 ES 2027 137 4.1 24
Show 18516+3739 ES 2025 AB 353 25.0 24
Show 18516+3739 ES 2025 AD 356 30.1 24
Show 18516+3739 FYM 39 AE 299 63.2 24
Show 18516+3739 FYM 39 AF 205 87.9 24
Show 18516+3739 FYM 39 AG 116 55.1 24
Show 18516+3739 ES 2025 BC 78 5.9 24
Show 18516+3739 ES 2025 BD 11 5.3 24
Show 18527+3704 UC 3706 241 15.4 26
Show 18537+3658 H 6 3 20 175.3 31
Show 18550+3702 L 41 32 1.7 32
Show 18532+3654 TDT1110 3 1.3 35
Show 18545+3654 SMR 13 HI 251 26.1 35
Show 18545+3654 ES 2028 BC 135 2.1 36
Show 18546+3656 ELS 7 AB 338 8.5 36
Show 18546+3656 ELS 7 AC 121 10.3 36
Show 18545+3654 ES 2028 AB 349 86.3 38
Show 18545+3654 SMR 13 AD 210 193.1 38
Show 18545+3654 SMR 13 AE 238 400.6 38
Show 18545+3654 SMR 13 AF 245 369.4 38
Show 18545+3654 SMR 13 AG 261 335.9 38
Show 18545+3654 SMR 13 AH 284 229.4 38
Show 18545+3654 SMR 13 AJ 249 279.5 38
Show 18545+3654 SMR 13 AK 236 304.2 38
Show 18559+3707 ES 2486 269 7.9 38
Show 18536+3651 UC 3714 305 76.2 38
Show 18516+3648 ES 241 72 2.2 46
Show 18536+3814 UC 3713 297 81.8 46
Show 18551+3645 ES 2485 162 6.2 48
Show 18562+3803 UC 3731 213 23.7 49
Show 18572+3704 ES 2030 AB 233 2.9 52
Show 18572+3704 ES 2030 AC 240 12.7 52
Show 18483+3741 UC 3677 338 64.3 62
Show 18496+3818 AG 226 54 26.0 67
Show 18530+3621 HJ 1354 AB 5 10.2 68
Show 18496+3819 FYM 173 166 19.3 68
Show 18581+3813 STF2427 AB 59 55.9 72
Show 18581+3813 CTT 11 AD 291 57.2 72
Show 18581+3813 STF2427 AC 61 62.0 72
Show 18581+3813 SP 2 AE 350 162.3 72
Show 18581+3813 STF2427 BC 79 7.2 73
Show 18581+3813 SP 2 BE 330 150.2 73
Show 18581+3813 SMR 14 EF 331 82.7 73

 
 
WDS 18534+3728 : COMPONENTS
 
 
  A
B pa=172.0°
sep=5.93"
 
 
18534+3728 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185322.33+372823.3 Mag 8.89 Spectral class A (white)
PmRA 2.00 PmDE -1.0 SAO 67530 Tycho2 2650-01804-1
HD 175371 DM BD+37 3271
Tycho2
Tycho2 2650-01804-1 Pflag RAmdeg 283.34308926 DEmdeg 37.47314484
PmRA -1.5 PmDE 0.2 E RAmdeg 8 E DEmdeg 8
E pmRA 1.4 E pmDE 1.5 EpRAm 1990.94 EpDEm 1991.16
Num 8 Q RAmdeg 1.1 Q DEmdeg 0.9 Q pmRA 1.1
Q pmDE 0.9 BTmag 8.911 E BTmag 0.017 VTmag 8.886
E VTmag 0.015 Prox 999 TYC T HIP
CCDM RAdeg 283.34309361 DEdeg 37.47314444 EpRA 1990 1.57
EpDE 1990 1.69 E RAdeg 7.8 E DEdeg 7.6 Posflg
Corr 0.0
SAO
SAO 67530 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 -0.013 Vmag 8.7 SpType A
Double code Source 5 CatNum 1709 DM BD+37 3271
DMcomp BDsup HD 175371 M HD 0
GC RA1950rad 4.93770774 DE1950rad 0.65292491 PmRA2000 -0.0008
PmDE2000 -0.013
CCDM
Ccdm 18534+3728 RComp Comp A Note1
Note2 Discov num DRAs -1.75 DDEs 23.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp A PmNote *
PmRA -5 PmDE -5 Dm number +37 3271 Cat1 BD
Name2 +37 1709 Cat2 AGK2/3 HD 175371 M HD
ADS BDS A11805 M ADS BDS N IDS IDS 18499N3721A
HIC
 
 
18534+3728 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185322.40+372817.4 Mag 12.9 Calc delta mag 4.01
Calc coord yes
CCDM
Ccdm 18534+3728 RComp Comp B Note1
Note2 Discov num HO 89 DRAs DDEs
R dRAs Year 1886 Theta 168 Rho 6.2
Obs 4 Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11805 M ADS BDS N IDS IDS 18499N3721B
HIC