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Doubles in session


Current system
20555-1400
LDS 6418 AB


Nearby doubles
32' : 20562-1331
TDT2644

41' : 20530-1416
HU 272

48' : 20550-1316
GWP3016

53' : 20587-1429
OCC 19AB

56' : 20571-1453
TVB 318

63' : 20518-1336
BRT2777

71' : 20591-1313
HU 83

71' : 20590-1311
CVR 880

78' : 20588-1300
UC 4348

78' : 20538-1516
UC 4320

81' : 21001-1449
RST4072

83' : 20506-1325
KPP2249

84' : 20570-1242
TVB 317

85' : 21003-1312
RST4073

93' : 20581-1237
HU 82

93' : 21002-1507
OCC1006

98' : 21018-1440
BRT2778

99' : 21019-1326
WSP 70AB

100' : 20571-1539
SKF2093

102' : 20500-1303
UC 4304

106' : 20557-1547
GWP3018

107' : 20486-1333
RST4069

124' : 20482-1303
HJ 2997

133' : 21026-1528
OCC1013

135' : 20528-1610
BU 154

135' : 20526-1609
SPF 2



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.

20555-1400 LDS 6418 AB

 
 
20h 55m 37.82s -14° 02' 09.9" P.A. 185.00 sep 107.3 mag 12.45,14.55 Sp M4.0V+M5V
 
 
Coord 2000 20555-1400 Discov num LDS6418 Comp AB Coord arcsec 2000 20 55 37.82 -14 02 09.9
Date first 1953 Date last 2015 Obs 9
Pa first 185 Pa last 184.9 P.A. Now (θ) 184.9°
Sep first 107.0 Sep last 107.278 Sep. Now (ρ) 107.278"
Mag pri 12.45 Mag sec 14.55 delta mag (ΔM) 2.1 Spectral class M4.0V+M5V (red/red)
Pri motion ra +142 Sec motion ra +142
Pri motion dec -047 Sec motion dec -047
Notes N T P (See Notes, Parallax indicates physical, 100-year proper motion)
This double is physical.
 
 
20555-1400 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 55 38 -14 02 10 TSN 195 Aa,Ab 2020 5 190 0.1 12.50 16.00 3.50
Show 20 55 38 -14 02 10 LDS 6418 AB 2015 9 185 107.3 12.45 14.55 2.10 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius
 
 
WDS 20555-1400 LDS 6418 AB : NOTES
 
 
discov_num notes refcode
LDS6418 Proper motion +1413 -459. Possible companion 2",
16th magnitude.
Both components show false companions due to differential refraction Skf2013
in SDSS u-band images; but both stars are single at the resolution of
the other SDSS images (well under 2" separation).
 
 
REFERENCES
 
 
refcode metd author reference
Skf2013 A j Skiff, B.A. ...................
Skf2013 +C private communication, 2013 (may not be properly precessed)
Skf2013 +E+
Skf2013 +H+
Skf2013 +Ma
Skf2013 +P+
Skf2013 +T
 
 
DISCOVERER
 
 
idgroup discov author
1 LDS Luyten p.m. catalog (from additional DD list)
1 TSN = The Solar Neighborhood series. Many measures do not have date of observation
7 TSN Costa, E., Mendez, R.A., Jao, W.-C., Henry, T.J., Subasavage, J.P., Brown, M.A.,
7 TSN Ianna, P.A. & Bartlett, J.
10 TSN Riedel, A.R., Subasavage, J.P., Finch, C.T., Jao, W.-C., Henry, T.J., Winters, J.,
10 TSN Brown, M.A., Ianna, P.A., Costa, E. & Mendez, R.A.
28 TSN Riedel, A.R., Finch, C.T., Henry, T.J., Subasavage, J.P., Jao, W.-C., Malo, L.,
28 TSN Rodriguez, D.R., White, R.J., Gies, D.R., Dieterich, S.B., Winters, J.G., Davison,
28 TSN C.L., Nelan, E.P., Blunt, S.C., Cruz, K.L., Rice, E.L. & Ianna, P.A.
32 TSN Hosey, A.D., Henry, T.J., Jao, W.-C., Dieterich, S.B., Winters, J.G., Lurie, J.C.,
32 TSN Riedel, A.R. & Subasavage, J.P.
33 TSN Winters, J.G., Sevrinsky, R.A., Jao, W.-C., Henry, T.J., Riedel, A.R., Subasavage,
33 TSN J.P., Lurie, J.C., Finch, C.T. & Ianna, P.A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20555-1400 LDS6418 AB 2015 9 185 107.3 12.45 14.55 M4.0V+M5V N P 205537.82-140209.9

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

 
 
WDS 20555-1400 LDS 6418 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20555-1400 LDS 6418 AB : MEASURES
 
 
No records found.

 
 
WDS 20555-1400 : VIRTUAL EYEPIECE
 
 

20555-1400 LDS6418A mag 12.45 Sp M4.0V 20555-1400 TSN 195Ab sep 0.1 P.A. 189.30 mag 16 20555-1400 LDS6418B sep 107.2 P.A. 184.80 mag 14.55 Sp M5V 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 20555-1400 : ALADIN DSS IMAGE @ 20h 55m 37.82s -14° 02' 09.9"
 
 
 
 
WDS 20555-1400 LDS 6418 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20555-1400 LDS6418AB distance=0' 20562-1331 TDT2644 distance=32' 20530-1416 HU 272 distance=41' 20550-1316 GWP3016 distance=48' 20587-1429 OCC 19AB distance=53' 20587-1429 SKF2094AC distance=53' 20571-1453 TVB 318 distance=56' 20518-1336 BRT2777 distance=63' 20591-1313 HU 83 distance=71' 20590-1311 CVR 880 distance=71' 20588-1300 UC 4348 distance=78' 20538-1516 UC 4320 distance=78' 21001-1449 RST4072 distance=81' 20506-1325 KPP2249 distance=83' 20570-1242 TVB 317 distance=84' 21003-1312 RST4073 distance=85' 20581-1237 HU 82 distance=93' 21002-1507 OCC1006 distance=93' 21018-1440 BRT2778 distance=98' 21019-1326 WSP 70AB distance=99' 21019-1326 WSP 70AC distance=99' 20571-1539 SKF2093 distance=100' 20500-1303 UC 4304 distance=102' 20557-1547 GWP3018 distance=106' 20486-1333 RST4069 distance=107' 20482-1303 HJ 2997 distance=124' 21026-1528 OCC1013 distance=133' 20528-1610 BU 154 distance=135' 20526-1609 SPF 2 distance=135' 20555-1147 HU 81 distance=135' 21024-1227 OCC 914 distance=138' 20560-1143 RST4070 distance=140' 20518-1154 UC 4312 distance=140' 21025-1544 GWP3030 distance=143' 20575-1142 CVR 234 distance=143' 20557-1625 DAM 219 distance=144' 21008-1606 GWP3028 distance=146' 20477-1542 OCC1007 distance=153' 20500-1154 BRG 31 distance=153' 20531-1134 CHR 101 distance=153' 20593-1628 SKF2095 distance=156' 20519-1631 HJ 3001 distance=158' 20472-1223 OCC1101 distance=159' 20508-1135 J 2324BC distance=165' 20508-1135 J 2324AB distance=165' 20508-1135 J 2324AC distance=165' 20442-1342 HLD 162 distance=168' 20448-1458 OCC 20AB distance=168' 20448-1458 OCC 20AC distance=168' 21016-1626 OCC1016 distance=168' 21072-1355 STF2752AB distance=169' 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 20555-1400 LDS6418 AB 185 107.3
Show 20555-1400 TSN 195 Aa,Ab 190 0.1
Show 20562-1331 TDT2644 252 0.6 32
Show 20530-1416 HU 272 184 3.5 41
Show 20550-1316 GWP3016 352 39.8 48
Show 20587-1429 OCC 19 AB -1 0.1 53
Show 20587-1429 SKF2094 AC 118 129.0 53
Show 20571-1453 TVB 318 49 16.0 56
Show 20518-1336 BRT2777 333 3.5 63
Show 20591-1313 HU 83 99 0.3 71
Show 20590-1311 CVR 880 16 7.7 71
Show 20588-1300 UC 4348 260 18.4 78
Show 20538-1516 UC 4320 156 10.3 78
Show 21001-1449 RST4072 142 1.9 81
Show 20506-1325 KPP2249 274 18.7 83
Show 20570-1242 TVB 317 342 7.3 84
Show 21003-1312 RST4073 4 0.4 85
Show 20581-1237 HU 82 1 2.7 93
Show 21002-1507 OCC1006 -1 0.1 93
Show 21018-1440 BRT2778 179 3.5 98
Show 21019-1326 WSP 70 AB 168 3.2 99
Show 21019-1326 WSP 70 AC 65 12.0 99
Show 20571-1539 SKF2093 197 16.6 100
Show 20500-1303 UC 4304 74 64.9 102
Show 20557-1547 GWP3018 249 15.2 106
Show 20486-1333 RST4069 179 0.3 107
Show 20482-1303 HJ 2997 196 8.4 124
Show 21026-1528 OCC1013 -1 0.0 133
Show 20528-1610 BU 154 61 3.0 135
Show 20526-1609 SPF 2 124 0.1 135
Show 20555-1147 HU 81 55 0.3 135
Show 21024-1227 OCC 914 -1 0.1 138
Show 20560-1143 RST4070 13 1.8 140
Show 20518-1154 UC 4312 286 52.7 140
Show 21025-1544 GWP3030 37 56.1 143
Show 20575-1142 CVR 234 320 48.6 143
Show 20557-1625 DAM 219 117 8.2 144
Show 21008-1606 GWP3028 345 14.1 146
Show 20477-1542 OCC1007 -1 0.1 153
Show 20500-1154 BRG 31 343 0.4 153
Show 20531-1134 CHR 101 183 0.2 153
Show 20593-1628 SKF2095 14.4 156
Show 20519-1631 HJ 3001 241 6.6 158
Show 20472-1223 OCC1101 -1 0.0 159
Show 20508-1135 J 2324 BC 78 4.0 165
Show 20508-1135 J 2324 AB 192 27.2 165
Show 20508-1135 J 2324 AC 183 25.8 165
Show 20442-1342 HLD 162 137 1.5 168
Show 20448-1458 OCC 20 AB -1 0.1 168
Show 20448-1458 OCC 20 AC -1 0.1 168
Show 21016-1626 OCC1016 -1 0.1 168

 
 
WDS 20555-1400 : COMPONENTS
 
 
  A Ab
Ab pa=189.3°
sep=0.06"
 
B pa=184.8°
sep=107.25"
pa=184.8°
sep=107.20"
 
 
20555-1400 A
 
 
Coord arcsec 2000 205537.82-140209.9 Mag 12.45 Spectral class M4.0V (red) PmRA 142.00
PmDE -47.0
 
 
20555-1400 Ab
 
 
Coord arcsec 2000 205537.82-140210.0 Mag 16 Calc delta mag 3.5 Calc coord yes
 
 
20555-1400 B
 
 
Coord arcsec 2000 205537.21-140356.8 Mag 14.55 Spectral class M5V (red) PmRA 142.00
PmDE -47.0 Calc delta mag 2.05 Calc coord yes