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Current system
18155+3822
ALI 870


Nearby doubles
3' : 18156+3820
CBL 75

15' : 18154+3836
MLB 852

19' : 18150+3840
LDS4781

21' : 18156+3842
ALI 871

26' : 18163+3846
KPP1820

31' : 18129+3819
TDT 737

35' : 18184+3814
RAO 387

36' : 18140+3853
NSN 793

37' : 18126+3836
BU 1091

40' : 18180+3846
GIC 151

60' : 18157+3723
ES 2664

67' : 18112+3906
HDS2565

68' : 18183+3920
ALI1101

69' : 18107+3903
ES 2569

70' : 18096+3827
LUH 13

70' : 18189+3918
MLB1078

72' : 18196+3915
MLB 754

74' : 18217+3821
TDT 815

74' : 18093+3836
HEI 557

76' : 18216+3842
LDS5861

76' : 18177+3932
TDT 778

76' : 18169+3935
TDT 773

77' : 18094+3756
ALI 609

82' : 18172+3703
COU1305

86' : 18211+3917
COU1459

87' : 18212+3917
COU1460



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

18155+3822 ALI 870

 
 
18h 15m 29.56s +38° 21' 44.3" P.A. 242.00 sep 8.8 mag 11.39,12.90
 
 
Coord 2000 18155+3822 Discov num ALI 870 Comp Coord arcsec 2000 18 15 29.56 +38 21 44.3
Date first 1930 Date last 2015 Obs 10
Pa first 250 Pa last 241.5 P.A. Now (θ) 241.5°
Sep first 7.9 Sep last 8.785 Sep. Now (ρ) 8.785"
Mag pri 11.39 Mag sec 12.90 delta mag (ΔM) 1.51 Spectral class
Pri motion ra -002 Sec motion ra -018
Pri motion dec +000 Sec motion dec -015
Notes
rPM=0.936
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 3103-01320-1 Gaia DR2 2109127601480391680
 
 
WDS 18155+3822 ALI 870 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ali1949 Pa - Ali, A. 1949AJ.....54..199A
Ali1949 AJ 54, 199, 1949
Ali1950 Pa - Ali, A. 1950AJ.....55..209A
Ali1950 AJ 55, 208, 1950
Ali1952 Pa - Ali, A. 1952AJ.....57..146A
Ali1952 AJ 57, 146, 1952
Ali1955 Pa - Ali, A. .
Ali1955 Pub. Nizamiah Obs. 13, Pt. 2, 1955
Ali9999 Pa - Ali, A. ...................
Ali9999 +Po Unpublished, manuscript or reference not found.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
18155+3822 ALI 870 2006 4 242 8.7 11.39 12.90 D 181529.56+382144.3
18155+3822 ALI 870 2015 6 242 8.7 11.39 12.90 181529.56+382144.3

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

 
 
WDS 18155+3822 ALI 870 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18155+3822 ALI 870 : MEASURES
 
 
No records found.

 
 
WDS 18155+3822 : VIRTUAL EYEPIECE
 
 

18155+3822 ALI 870A mag 11.39 18155+3822 ALI 870B sep 7.4 P.A. 235.30 mag 12.9 virtual eyepiece
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Radius:
Components only
 
 
WDS 18155+3822 : ALADIN DSS IMAGE @ 18h 15m 29.56s +38° 21' 44.3"
 
 
 
 
WDS 18155+3822 ALI 870 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18155+3822 ALI 870 distance=0' 18156+3820 CBL 75 distance=3' 18154+3836 MLB 852 distance=15' 18150+3840 LDS4781 distance=19' 18156+3842 ALI 871 distance=21' 18163+3846 KPP1820 distance=26' 18129+3819 TDT 737 distance=31' 18184+3814 RAO 387 distance=35' 18140+3853 NSN 793 distance=36' 18126+3836 BU 1091 distance=37' 18180+3846 GIC 151 distance=40' 18157+3723 ES 2664 distance=60' 18112+3906 HDS2565 distance=67' 18183+3920 ALI1101 distance=68' 18107+3903 ES 2569 distance=69' 18096+3827 LUH 13 distance=70' 18189+3918 MLB1078 distance=70' 18196+3915 MLB 754 distance=72' 18217+3821 TDT 815 distance=74' 18093+3836 HEI 557 distance=74' 18216+3842 LDS5861 distance=76' 18177+3932 TDT 778 distance=76' 18169+3935 TDT 773 distance=76' 18094+3756 ALI 609 distance=77' 18172+3703 COU1305 distance=82' 18211+3917 COU1459 distance=86' 18212+3917 COU1460 distance=87' 18210+3923 DAM 108 distance=89' 18213+3920 HJ 1321 distance=90' 18101+3713 ES 2480 distance=95' 18237+3821 HO 431 distance=97' 18239+3824 HEI 803 distance=100' 18240+3844 HO 432AB distance=102' 18240+3844 HO 432AC distance=102' 18077+3904 ES 2018 distance=103' 18144+3636 TDT 757 distance=107' 18176+3637 HTP 5AB (Chason) distance=108' 18176+3637 HTP 5AC (Chason) distance=108' 18176+3637 HTP 5AD (Chason) distance=108' 18064+3837 ES 2017 distance=109' 18063+3824 HU 1186 distance=109' 18171+4015 STF2304 distance=116' 18163+3625 HU 1291 distance=117' 18121+4015 LEO 1 distance=120' 18167+3623 COU1304 distance=121' 18097+4001 TDT 714 distance=121' 18208+3639 COU1306 distance=121' 18053+3806 J 758 distance=122' 18051+3819 J 1218 distance=123' 18053+3750 ALI 608 distance=125' 18157+3615 KPP4096 distance=127' 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 18155+3822 ALI 870 242 8.8
Show 18156+3820 CBL 75 207 18.5 3
Show 18154+3836 MLB 852 42 8.9 15
Show 18150+3840 LDS4781 2.5 19
Show 18156+3842 ALI 871 181 12.9 21
Show 18163+3846 KPP1820 296 14.1 26
Show 18129+3819 TDT 737 245 0.4 31
Show 18184+3814 RAO 387 107 2.0 35
Show 18140+3853 NSN 793 125 6.5 36
Show 18126+3836 BU 1091 319 0.7 37
Show 18180+3846 GIC 151 277 9.8 40
Show 18157+3723 ES 2664 83 9.2 60
Show 18112+3906 HDS2565 340 0.7 67
Show 18183+3920 ALI1101 176 7.6 68
Show 18107+3903 ES 2569 275 10.0 69
Show 18096+3827 LUH 13 327 769.2 70
Show 18189+3918 MLB1078 316 6.6 70
Show 18196+3915 MLB 754 49 4.4 72
Show 18217+3821 TDT 815 88 0.8 74
Show 18093+3836 HEI 557 281 1.8 74
Show 18216+3842 LDS5861 140 4.7 76
Show 18177+3932 TDT 778 177 0.9 76
Show 18169+3935 TDT 773 128 0.9 76
Show 18094+3756 ALI 609 207 13.3 77
Show 18172+3703 COU1305 186 1.8 82
Show 18211+3917 COU1459 92 1.4 86
Show 18212+3917 COU1460 342 0.5 87
Show 18210+3923 DAM 108 115 5.6 89
Show 18213+3920 HJ 1321 75 9.5 90
Show 18101+3713 ES 2480 355 4.5 95
Show 18237+3821 HO 431 4 19.8 97
Show 18239+3824 HEI 803 284 3.4 100
Show 18240+3844 HO 432 AB 285 17.2 102
Show 18240+3844 HO 432 AC 42 60.5 102
Show 18077+3904 ES 2018 236 5.7 103
Show 18144+3636 TDT 757 12 2.0 107
Show Chason 18176+3637 HTP 5 AB 236 6.1 108
Show Chason 18176+3637 HTP 5 AC 194 7.1 108
Show Chason 18176+3637 HTP 5 AD 268 4.3 108
Show 18064+3837 ES 2017 268 2.6 109
Show 18063+3824 HU 1186 134 0.2 109
Show 18171+4015 STF2304 69 5.1 116
Show 18163+3625 HU 1291 52 0.3 117
Show 18121+4015 LEO 1 146 1.5 120
Show 18167+3623 COU1304 82 1.4 121
Show 18097+4001 TDT 714 312 0.8 121
Show 18208+3639 COU1306 42 0.5 121
Show 18053+3806 J 758 124 3.2 122
Show 18051+3819 J 1218 167 3.1 123
Show 18053+3750 ALI 608 175 13.3 125
Show 18157+3615 KPP4096 76 1.5 127

 
 
WDS 18155+3822 : COMPONENTS
 
 
  A
B pa=235.3°
sep=7.36"
 
 
18155+3822 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 181529.56+382144.3 Mag 11.39 PmRA -2.00
PmDE 0.0 Tycho2 3103-01320-1
Tycho2
Tycho2 3103-01320-1 Pflag RAmdeg 273.87320106 DEmdeg 38.36232510
PmRA -2.9 PmDE 3.1 E RAmdeg 57 E DEmdeg 36
E pmRA 4.2 E pmDE 3.8 EpRAm 1987.42 EpDEm 1985.82
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.4 Q pmRA 0.8
Q pmDE 0.4 BTmag 12.300 E BTmag 0.152 VTmag 11.386
E VTmag 0.088 Prox 861 TYC HIP
CCDM RAdeg 273.87321611 DEdeg 38.36231250 EpRA 1990 1.55
EpDE 1990 1.71 E RAdeg 63.1 E DEdeg 60.4 Posflg
Corr -0.1
CCDM
Ccdm 18155+3822 RComp Comp A Note1
Note2 Discov num DRAs -0.57 DDEs -16.6
R dRAs 65 Year Theta Rho
Obs 2 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18121N3820A
HIC
 
 
18155+3822 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181529.05+382140.1 Mag 12.9 PmRA -18.00
PmDE -15.0 Calc delta mag 1.51 Calc coord yes
CCDM
Ccdm 18155+3822 RComp Comp B Note1
Note2 Discov num ALI 870 DRAs DDEs
R dRAs Year 1930 Theta 249 Rho 8.5
Obs 2 Vmag 13.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18121N3820B
HIC