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Current system
15304+3935
LAW 23 Aa,Ab


Nearby doubles
15' : 15311+3925
KZA 94

17' : 15317+3941
KZA 95

36' : 15323+4003
KZA 100AB

37' : 15322+4005
KZA 99

38' : 15272+3930
STF1946

43' : 15318+4015
KZA 98AB

46' : 15317+3903
KZA 96

47' : 15311+4022
KZA 93AB

51' : 15344+3916
SKF1756

58' : 15280+3844
CVR1632

67' : 15360+3948
STT 298AB

68' : 15294+4041
COU1273

71' : 15243+3942
LEP 146

76' : 15367+3954
KZA 105AB

77' : 15333+3827
HJ 2786

79' : 15282+3822
STF1947

81' : 15318+4054
A 1634AB

85' : 15342+4048
LDS4562

86' : 15307+3810
HU 1163

87' : 15338+3818
UC 210

91' : 15342+4055
KZA 102

91' : 15226+3953
WIS 284

92' : 15236+4022
COU1442

92' : 15381+3918
SLW1120

94' : 15233+4022
COU1441

94' : 15385+3929
CVR1638



Selections
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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.

15304+3935 LAW 23 Aa,Ab

 
 
15h 30m 21.88s +39° 35' 22.0" P.A. 94.00 sep 0.2 mag 15.30, Sp M1.5+M3.5
 
 
Coord 2000 15304+3935 Discov num LAW  23 Comp Aa,Ab Coord arcsec 2000 15 30 21.88 +39 35 22.0
Date first 2009 Date last 2009 Obs 2
Pa first 94 Pa last 94 P.A. Now (θ) 94°
Sep first 0.2 Sep last 0.16 Sep. Now (ρ) 0.16"
Mag pri 15.30 Mag sec delta mag (ΔM) Spectral class M1.5+M3.5 (red/red)
Pri motion ra -020 Sec motion ra
Pri motion dec +037 Sec motion dec
Notes N R (See Notes, Red magnitudes)
Nature of this double is uncertain.
 
 
15304+3935 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 15 30 22 +39 35 22 LAW 23 Aa,Ab 2009 2 94 0.2 15.30 <===
Show 15 30 22 +39 35 22 LAW 23 AB 2015 10 161 31.1 15.30 18.32 3.02
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Bootes Gaia DR2 1388146250545799808
 
 
WDS 15304+3935 LAW 23 Aa,Ab : NOTES
 
 
discov_num notes refcode
LAW 23 AB: SLW1101.
 
 
REFERENCES
 
 
refcode metd author reference
Law2006 Ss - Law, N.M., Hodgkin, S.T., & Mackay, C.D. 2006MNRAS.368.1917L
Law2006 MNRAS 368, 1917, 2006
Law2008 Ss - Law, N.M., Hodgkin, S.T., & Mackay, C.D. 2008MNRAS.384..150L
Law2008 MNRAS 384, 150, 2008
Law2008 All measures of known pairs in Law2008 appear to be off by 90 (or 270) degrees.
Law2008 Corrected and N code code added to measure.
Law2010 Ag j Law, N.M., Dhital, S., Kraus, A., Stassun, K.G. & West, A.A. 2010ApJ...720.1727L
Law2010 +Es ApJ 720, 1727, 2010
Law2010 +C
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15304+3935 LAW 23 Aa,Ab 2009 1 94 0.2 15.80   M1.5+M3.5 153021.89+393521.9

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

 
 
WDS 15304+3935 LAW 23 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15304+3935 LAW 23 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 15304+3935 : VIRTUAL EYEPIECE
 
 

15304+3935 LAW 23A mag 15.3 Sp M2.3 15304+3935 LAW 23Ab sep 0.1 P.A. 95.20 Sp M3.5 15304+3935 LAW 23B sep 30.4 P.A. 165.20 mag 18.32 Sp M4.3 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 15304+3935 : ALADIN DSS IMAGE @ 15h 30m 21.88s +39° 35' 22.0"
 
 
 
 
WDS 15304+3935 LAW 23 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15304+3935 LAW 23Aa,Ab distance=0' 15311+3925 KZA 94 distance=15' 15317+3941 KZA 95 distance=17' 15323+4003 KZA 100AB distance=36' 15323+4003 TOB 133AC distance=36' 15322+4005 KZA 99 distance=37' 15272+3930 STF1946 distance=38' 15318+4015 KZA 98AB distance=43' 15318+4015 KZA 98AC distance=43' 15317+3903 KZA 96 distance=46' 15311+4022 KZA 93AB distance=47' 15311+4022 KZA 93AC distance=47' 15311+4022 KZA 93AD distance=47' 15344+3916 SKF1756 distance=51' 15280+3844 CVR1632 distance=58' 15360+3948 STT 298CE distance=66' 15360+3948 STT 298AB distance=67' 15360+3948 STT 298AB,E distance=67' 15360+3948 STT 298AB,C distance=67' 15360+3948 STT 298AB,D distance=67' 15294+4041 COU1273 distance=68' 15243+3942 LEP 146 distance=71' 15367+3954 KZA 105AB distance=76' 15367+3954 KZA 105AC distance=76' 15367+3954 KZA 105AD distance=76' 15367+3954 KZA 105AE distance=76' 15367+3954 KZA 105AG distance=76' 15367+3954 KZA 105AH distance=76' 15367+3954 KZA 105AF distance=76' 15367+3954 KZA 105AI distance=76' 15367+3954 KZA 105DF distance=76' 15333+3827 HJ 2786 distance=77' 15282+3822 STF1947 distance=79' 15367+3954 KZA 105HI distance=81' 15318+4054 A 1634AB distance=81' 15318+4054 BU 1450AB,C distance=81' 15318+4054 KZA 97AB,D distance=81' 15342+4048 LDS4562 distance=85' 15307+3810 HU 1163 distance=86' 15338+3818 UC 210 distance=87' 15342+4055 KZA 102 distance=91' 15226+3953 WIS 284 distance=91' 15236+4022 COU1442 distance=92' 15381+3918 SLW1120 distance=92' 15233+4022 COU1441 distance=94' 15385+3929 CVR1638 distance=94' 15236+3838 RAO 593 distance=98' 15216+3922 CBL 487 distance=103' 15356+4059 KZA 104 distance=103' 15370+4044 KZA 106 distance=103' 15340+4110 KZA 101 distance=103' 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 15304+3935 LAW 23 Aa,Ab 94 0.2
Show 15304+3935 LAW 23 AB 161 31.1
Show 15311+3925 KZA 94 257 15.6 15
Show 15317+3941 KZA 95 142 39.3 17
Show 15323+4003 KZA 100 AB 45 19.8 36
Show 15323+4003 TOB 133 AC 288 16.6 36
Show 15322+4005 KZA 99 338 26.9 37
Show 15272+3930 STF1946 344 7.5 38
Show 15318+4015 KZA 98 AB 144 25.0 43
Show 15318+4015 KZA 98 AC 124 52.8 43
Show 15317+3903 KZA 96 88 43.5 46
Show 15311+4022 KZA 93 AB 357 40.5 47
Show 15311+4022 KZA 93 AC 91 49.7 47
Show 15311+4022 KZA 93 AD 17 70.5 47
Show 15344+3916 SKF1756 281 1.4 51
Show 15280+3844 CVR1632 16 3.5 58
Show 15360+3948 STT 298 CE 337 335.8 66
Show 15360+3948 STT 298 AB 191 1.2 67
Show 15360+3948 STT 298 AB,E 335 456.0 67
Show 15360+3948 STT 298 AB,C 328 120.4 67
Show 15360+3948 STT 298 AB,D 224 167.4 67
Show 15294+4041 COU1273 141 1.2 68
Show 15243+3942 LEP 146 138 6.5 71
Show 15367+3954 KZA 105 AB 73 88.2 76
Show 15367+3954 KZA 105 AC 119 133.7 76
Show 15367+3954 KZA 105 AD 157 164.4 76
Show 15367+3954 KZA 105 AE 132 268.1 76
Show 15367+3954 KZA 105 AG 160 514.8 76
Show 15367+3954 KZA 105 AH 135 535.2 76
Show 15367+3954 KZA 105 AF 178 356.9 76
Show 15367+3954 KZA 105 AI 141 705.2 76
Show 15367+3954 KZA 105 DF 194 212.3 76
Show 15333+3827 HJ 2786 170 26.8 77
Show 15282+3822 STF1947 26 6.8 79
Show 15367+3954 KZA 105 HI 159 182.7 81
Show 15318+4054 A 1634 AB 212 0.1 81
Show 15318+4054 BU 1450 AB,C 89 93.8 81
Show 15318+4054 KZA 97 AB,D 319 117.8 81
Show 15342+4048 LDS4562 293 11.6 85
Show 15307+3810 HU 1163 178 0.3 86
Show 15338+3818 UC 210 211 68.5 87
Show 15342+4055 KZA 102 188 9.6 91
Show 15226+3953 WIS 284 249 999.9 91
Show 15236+4022 COU1442 339 0.3 92
Show 15381+3918 SLW1120 36 14.3 92
Show 15233+4022 COU1441 31 0.2 94
Show 15385+3929 CVR1638 163 3.1 94
Show 15236+3838 RAO 593 0.6 98
Show 15216+3922 CBL 487 40 25.1 103
Show 15356+4059 KZA 104 99 29.6 103
Show 15370+4044 KZA 106 200 49.1 103

 
 
WDS 15304+3935 : COMPONENTS
 
 
  A Ab
Ab pa=95.2°
sep=0.12"
 
B pa=165.2°
sep=30.39"
pa=165.4°
sep=30.35"
 
 
15304+3935 A
 
 
Coord arcsec 2000 153021.88+393522.0 Mag 15.3 Spectral class M2.3 (red) PmRA -20.00
PmDE 37.0
 
 
15304+3935 Ab
 
 
Coord arcsec 2000 153021.89+393522.0 Spectral class M3.5 (red) Calc delta mag 15.3 Calc coord yes
 
 
15304+3935 B
 
 
Coord arcsec 2000 153022.55+393452.6 Mag 18.32 Spectral class M4.3 (red) PmRA -27.00
PmDE 37.0 Calc delta mag 3.02 Calc coord yes