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Doubles in session


Current system
21371+0033
LAW 28 AB


Nearby doubles
9' : 21376+0035
ARU 4

10' : 21365+0031
J 163

12' : 21376-0023
STF2809AB

13' : 21363-0032
ITF 183AB

15' : 21362-0030
ITF 168

15' : 21361-0032
ITF 169

18' : 21359-0028
ITF 172

20' : 21359+0041
HJ 3039

22' : 21372+0054
ARU 22

22' : 21383-0020
STF2811

26' : 21371-0007
WIS 350

42' : 21390-0002
CBL 532

47' : 21395-0003
BU 1212AB

49' : 21404+0034
SMA 151

53' : 21406-0023
CVR 914

55' : 21406-0018
AOT 106

56' : 21406+0051
SLW1247

58' : 21404+0003
AOT 105

60' : 21409-0035
J 1408

66' : 21376+0137
JNN 291

67' : 21408+0110
SLW1248

68' : 21328-0053
HDS3064

69' : 21406+0116
CHE 306

70' : 21417-0024
UC 4532

71' : 21417-0036
J 1409

72' : 21416+0013
CHE 308



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.

21371+0033 LAW 28 AB

 
 
21h 37m 05.38s +00° 32' 31.2" P.A. 322.00 sep 18.8 mag 15.70,17.10 Sp M1.0+M3.5
 
 
Coord 2000 21371+0033 Discov num LAW  28 Comp AB Coord arcsec 2000 21 37 05.38 +00 32 31.2
Date first 2000 Date last 2015 Obs 7
Pa first 322 Pa last 322.2 P.A. Now (θ) 322.2°
Sep first 18.8 Sep last 18.781 Sep. Now (ρ) 18.781"
Mag pri 15.70 Mag sec 17.10 delta mag (ΔM) 1.4 Spectral class M1.0+M3.5 (red/red)
Pri motion ra +048 Sec motion ra +054
Pri motion dec +015 Sec motion dec +024
Notes
rPM=0.183 (< 0.3, Physical double)
This double is physical.
 
 
21371+0033 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 37 05 +00 32 31 LAW 28 Aa,Ab 2008 2 122 0.2 15.47
Show 21 37 05 +00 32 31 LAW 28 AB 2015 7 322 18.8 15.70 17.10 1.40 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Gaia DR2 2687471920278539392
 
 
WDS 21371+0033 LAW 28 AB : NOTES
 
 
No records found.

 
 
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
21371+0033 LAW 28 AB 2008 1 320 19.8 15.70 17.10 M1.0+M3.5 213705.38+003231.2
21371+0033 LAW 28 AB 2015 3 322 18.8 15.70 17.10 M1.0+M3.5 213705.38+003231.2

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

 
 
WDS 21371+0033 LAW 28 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21371+0033 LAW 28 AB : MEASURES
 
 
No records found.

 
 
WDS 21371+0033 : VIRTUAL EYEPIECE
 
 

21371+0033 LAW 28A mag 15.7 Sp M1.0 21371+0033 LAW 28Ab sep 0.2 P.A. 122.00 Sp M5.0 21371+0033 LAW 28B sep 18.8 P.A. 322.20 mag 17.1 Sp M3.5 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 21371+0033 : ALADIN DSS IMAGE @ 21h 37m 05.38s +00° 32' 31.2"
 
 
 
 
WDS 21371+0033 LAW 28 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21371+0033 LAW 28AB distance=0' 21376+0035 ARU 4 distance=9' 21365+0031 J 163 distance=10' 21376-0023 STF2809AB distance=12' 21376-0023 FYM9001AC distance=12' 21363-0032 ITF 183AB distance=13' 21363-0032 ITF 183AC distance=13' 21363-0032 ITF 170BC distance=13' 21362-0030 ITF 168 distance=15' 21361-0032 ITF 169 distance=15' 21359-0028 ITF 172 distance=18' 21359+0041 HJ 3039 distance=20' 21372+0054 ARU 22 distance=22' 21383-0020 STF2811 distance=22' 21371-0007 WIS 350 distance=26' 21390-0002 CBL 532 distance=42' 21395-0003 BU 1212AB distance=47' 21395-0003 BU 1212AB,C distance=47' 21404+0034 SMA 151 distance=49' 21406-0023 CVR 914 distance=53' 21406-0018 AOT 106 distance=55' 21406+0051 SLW1247 distance=56' 21404+0003 AOT 105 distance=58' 21409-0035 J 1408 distance=60' 21376+0137 JNN 291 distance=66' 21408+0110 SLW1248 distance=67' 21328-0053 HDS3064 distance=68' 21406+0116 CHE 306 distance=69' 21417-0024 UC 4532 distance=70' 21417-0036 J 1409 distance=71' 21416+0013 CHE 308 distance=72' 21324+0015 SKF1776 distance=73' 21415+0000 CHE 307 distance=74' 21404+0126 BAL1234 distance=74' 21324-0059 SLW1241 distance=75' 21322+0013 ALC 4Aa,Ab distance=76' 21322+0013 KUI 107AB distance=76' 21412+0118 TOB 318 distance=76' 21412+0117 BAL1235 distance=77' 21322-0006 WAA 51 distance=78' 21422+0040 CHE 311 distance=79' 21423+0021 CHE 312 distance=80' 21318+0019 SHN 253 distance=81' 21424+0027 STF2817AB distance=81' 21424+0027 AOT 107AC distance=81' 21424+0027 AOT 107BC distance=81' 21424+0037 SMA 152BC distance=81' 21421+0059 CHE 310 distance=81' 21424+0037 SMA 152AC distance=81' 21424+0037 BAL1236AB distance=81' 21421+0104 CHE 309 distance=82' 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 21371+0033 LAW 28 Aa,Ab 122 0.2
Show 21371+0033 LAW 28 AB 322 18.8
Show 21376+0035 ARU 4 235 0.3 9
Show 21365+0031 J 163 307 4.6 10
Show 21376-0023 STF2809 AB 163 31.1 12
Show 21376-0023 FYM9001 AC 18 37.8 12
Show 21363-0032 ITF 183 AB 248 20.5 13
Show 21363-0032 ITF 183 AC 245 18.4 13
Show 21363-0032 ITF 170 BC 94 2.5 13
Show 21362-0030 ITF 168 144 4.4 15
Show 21361-0032 ITF 169 135 4.2 15
Show 21359-0028 ITF 172 333 3.2 18
Show 21359+0041 HJ 3039 153 11.3 20
Show 21372+0054 ARU 22 195 0.6 22
Show 21383-0020 STF2811 273 31.1 22
Show 21371-0007 WIS 350 42 147.9 26
Show 21390-0002 CBL 532 263 80.6 42
Show 21395-0003 BU 1212 AB 156 0.1 47
Show 21395-0003 BU 1212 AB,C 178 36.2 47
Show 21404+0034 SMA 151 124 4.5 49
Show 21406-0023 CVR 914 12 29.8 53
Show 21406-0018 AOT 106 83 16.6 55
Show 21406+0051 SLW1247 225 162.8 56
Show 21404+0003 AOT 105 159 18.7 58
Show 21409-0035 J 1408 356 6.6 60
Show 21376+0137 JNN 291 345 0.4 66
Show 21408+0110 SLW1248 36 18.3 67
Show 21328-0053 HDS3064 1 0.3 68
Show 21406+0116 CHE 306 183 25.0 69
Show 21417-0024 UC 4532 160 17.3 70
Show 21417-0036 J 1409 327 3.8 71
Show 21416+0013 CHE 308 186 10.8 72
Show 21324+0015 SKF1776 28 2.4 73
Show 21415+0000 CHE 307 80 21.7 74
Show 21404+0126 BAL1234 43 20.1 74
Show 21324-0059 SLW1241 129 11.7 75
Show 21322+0013 ALC 4 Aa,Ab -1 0.7 76
Show 21322+0013 KUI 107 AB 29 133.0 76
Show 21412+0118 TOB 318 104 29.0 76
Show 21412+0117 BAL1235 319 8.9 77
Show 21322-0006 WAA 51 111 27.1 78
Show 21422+0040 CHE 311 229 22.3 79
Show 21423+0021 CHE 312 282 24.0 80
Show 21318+0019 SHN 253 -1 0.0 81
Show 21424+0027 STF2817 AB 155 26.1 81
Show 21424+0027 AOT 107 AC 157 35.7 81
Show 21424+0027 AOT 107 BC 174 6.4 81
Show 21424+0037 SMA 152 BC 112 30.8 81
Show 21421+0059 CHE 310 30 20.9 81
Show 21424+0037 SMA 152 AC 102 17.4 81
Show 21424+0037 BAL1236 AB 312 15.6 81

 
 
WDS 21371+0033 : COMPONENTS
 
 
  A Ab
Ab pa=122.0°
sep=0.21"
 
B pa=322.2°
sep=18.78"
pa=322.0°
sep=18.98"
 
 
21371+0033 A
 
 
Coord arcsec 2000 213705.38+003231.2 Mag 15.7 Spectral class M1.0 (red) PmRA 48.00
PmDE 15.0
 
 
21371+0033 Ab
 
 
Coord arcsec 2000 213705.39+003231.1 Spectral class M5.0 (red) Calc delta mag 15.47 Calc coord yes
 
 
21371+0033 B
 
 
Coord arcsec 2000 213704.61+003246.0 Mag 17.1 Spectral class M3.5 (red) PmRA 54.00
PmDE 24.0 Calc delta mag 1.63 Calc coord yes