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Doubles in session


Current system
21069+6940
LAF 63 AB


Nearby doubles
10' : 21052+6942
MLB 303

23' : 21050+7000
LDS1944

33' : 21027+7005
TDT2710

43' : 21001+6917
TDT2686

47' : 21148+7003
MLB 364

67' : 21045+7046
STF2771

67' : 21195+6928
MLB 304

68' : 20544+6957
A 1216AB

73' : 21209+6944
MLB 365

73' : 21115+7050
HDS3019AB

85' : 20520+6910
JOD 19

90' : 20561+7052
TDT2640

93' : 21157+6821
BVD 135

96' : 21016+6810
LI 6AB

101' : 21176+6818
YUN 1AB

102' : 21122+6803
KPP4227AB

103' : 21078+7123
HDS3012

104' : 21059+7124
LDS1945

111' : 21201+7112
HJ 3027

122' : 21114+7140
OSO 143

127' : 20571+7138
TDT2652

139' : 21225+6751
TDT2933

141' : 21022+6723
KPP4220

142' : 20493+7131
MLB 422

148' : 21158+6721
STF2788

168' : 20592+7224
MLB 423



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.

21069+6940 LAF 63 AB

 
 
21h 06m 56.20s +69° 40' 27.9" P.A. 201.00 sep 3.7 mag 6.40,18.90 Sp K0
 
 
Coord 2000 21069+6940 Discov num LAF  63 Comp AB Coord arcsec 2000 21 06 56.20 +69 40 27.9
Date first 2005 Date last 2005 Obs 1
Pa first 201 Pa last 201.4 P.A. Now (θ) 201.4°
Sep first 3.7 Sep last 3.67 Sep. Now (ρ) 3.67"
Mag pri 6.40 Mag sec 18.90 delta mag (ΔM) 12.5 Spectral class K0 (yellow-orange)
Pri motion ra +109 Sec motion ra
Pri motion dec +066 Sec motion dec
Notes K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
21069+6940 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 06 56 +69 40 28 LAF 63 AB 2005 1 201 3.7 6.40 18.90 12.50 <===
Show 21 06 56 +69 40 28 LAF 63 AC 2005 1 259 8.4 6.40 19.30 12.90
Show 21 06 56 +69 40 28 LAF 63 AD 2005 1 332 14.5 6.40 20.20 13.80
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Gaia DR2 2270771375724754816
 
 
WDS 21069+6940 LAF 63 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Laf2007 A j Lafreniere, D., Doyon, R., Marois, C., Nadeau, D., Oppenheimer, B.R., Roche, P.F., 2007ApJ...670.1367L
Laf2007 +C Rigaut, F., Graham, J.R., et al.
Laf2007 ApJ 670, 1367, 2007
Laf2008 A j Lafreniere, D., Jayawardhana, R., Brandeker, A., Ahmic, M., & van Kerkwijk, M.H. 2008ApJ...683..844L
Laf2008 +Hp ApJ 683, 844, 2008
Laf2008b A j Lafreniere, D., Jayawardhana, R., & van Kerkwijk, M.H. 2008ApJ...689L.153L
Laf2008b ApJ 689, L153, 2008
Laf2009 Hn u Lafreniere, D., Marois, C., Doyon, R., & Barman, T. 2009ApJ...694L.148L
Laf2009 ApJ 694, L148, 2009
Laf2010 A u Lafreniere, D., Jayawardhana, R., & van Kerkwijk, M.H. 2010ApJ...719..497L
Laf2010 ApJ 719, 497, 2010
Laf2011 A u Lafreniere, D., Jayawardhana, R., Janson, M., Helling, C., Witte, S., & 2011ApJ...730...42L
Laf2011 Hauschildt, P.
Laf2011 ApJ 730, 42, 2011
Laf2011 (photometry of both components based on 2MASS PSC plus their contrast measures)
Laf2014 A j Lafreniere, D., Jayawardhana, R., van Kerkwijk, M.H., Brandeker, A., & Janson, M. 2014ApJ...785...47L
Laf2014 +Al ApJ 785, 47, 2014
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21069+6940 LAF 63 AB 2005 1 201 3.7 8.20 21.00 K0 D 210656.21+694028.0

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

 
 
WDS 21069+6940 LAF 63 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21069+6940 LAF 63 AB : MEASURES
 
 
No records found.

 
 
WDS 21069+6940 : VIRTUAL EYEPIECE
 
 

21069+6940 LAF 63A mag 6.4 Sp K0 21069+6940 LAF 63B sep 3.5 P.A. 187.80 mag 18.9 21069+6940 LAF 63C sep 3.3 P.A. 241.00 mag 19.3 21069+6940 LAF 63D sep 13.0 P.A. 349.30 mag 20.2 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 21069+6940 : ALADIN DSS IMAGE @ 21h 06m 56.20s +69° 40' 27.9"
 
 
 
 
WDS 21069+6940 LAF 63 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21069+6940 LAF 63AB distance=0' 21052+6942 MLB 303 distance=10' 21050+7000 LDS1944 distance=23' 21027+7005 TDT2710 distance=33' 21001+6917 TDT2686 distance=43' 21148+7003 MLB 364 distance=47' 21045+7046 STF2771 distance=67' 21195+6928 MLB 304 distance=67' 20544+6957 A 1216AB distance=68' 20544+6957 A 1216AC distance=68' 20544+6957 A 1216CD distance=68' 21209+6944 MLB 365 distance=73' 21115+7050 HDS3019AB distance=73' 20520+6910 JOD 19 distance=85' 20561+7052 TDT2640 distance=90' 21157+6821 BVD 135 distance=93' 21016+6810 LI 6AB distance=96' 21176+6818 YUN 1AB distance=101' 21176+6818 CON 40CD distance=101' 21122+6803 KPP4227AB distance=102' 21078+7123 HDS3012 distance=103' 21059+7124 LDS1945 distance=104' 21201+7112 HJ 3027 distance=111' 21114+7140 OSO 143 distance=122' 20571+7138 TDT2652 distance=127' 21225+6751 TDT2933 distance=139' 21022+6723 KPP4220 distance=141' 20493+7131 MLB 422 distance=142' 21158+6721 STF2788 distance=148' 20592+7224 MLB 423 distance=168' 21233+7207 LSC 98 distance=168' 21208+6704 LDS4880 distance=175' 21068+6644 TDT2757 distance=177' 20509+6708 MLB 301 distance=177' 21267+7211 TDT2971 distance=179' 21015+6643 HU 959 distance=181' 20517+6701 MLB 302 distance=181' 20573+6645 MLB 268 distance=184' 21195+6647 TDT2902 distance=187' 21257+7233 HJ 3035AB distance=195' 21257+7233 HJ 3035AC distance=195' 21091+6623 MLR 68 distance=198' 21091+6626 OCA 4 distance=198' 21012+7258 A 880 distance=200' 21220+7257 TDT2926 distance=210' 20584+6611 FOX 96 distance=215' 21125+6608 FOX 97 distance=216' 20515+7304 LDS1941 distance=216' 21185+6613 HDS3032 distance=217' 21140+6606 MLB 221 distance=219' 21238+6619 LDS4884 distance=223' 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 21069+6940 LAF 63 AB 201 3.7
Show 21069+6940 LAF 63 AC 259 8.4
Show 21069+6940 LAF 63 AD 332 14.5
Show 21052+6942 MLB 303 6.1 10
Show 21050+7000 LDS1944 349 48.0 23
Show 21027+7005 TDT2710 42 0.4 33
Show 21001+6917 TDT2686 42 2.4 43
Show 21148+7003 MLB 364 59 5.2 47
Show 21045+7046 STF2771 33 2.7 67
Show 21195+6928 MLB 304 47 5.2 67
Show 20544+6957 A 1216 AB 327 20.1 68
Show 20544+6957 A 1216 AC 346 38.6 68
Show 20544+6957 A 1216 CD 82 0.9 68
Show 21209+6944 MLB 365 47 5.1 73
Show 21115+7050 HDS3019 AB 136 0.3 73
Show 20520+6910 JOD 19 172 0.5 85
Show 20561+7052 TDT2640 318 0.7 90
Show 21157+6821 BVD 135 310 24.9 93
Show 21016+6810 LI 6 AB 168 2.5 96
Show 21176+6818 YUN 1 AB 92 9.0 101
Show 21176+6818 CON 40 CD 69 1.0 101
Show 21122+6803 KPP4227 AB 298 1.9 102
Show 21078+7123 HDS3012 190 0.9 103
Show 21059+7124 LDS1945 353 15.9 104
Show 21201+7112 HJ 3027 128 34.2 111
Show 21114+7140 OSO 143 277 16.6 122
Show 20571+7138 TDT2652 307 0.6 127
Show 21225+6751 TDT2933 157 0.6 139
Show 21022+6723 KPP4220 302 1.2 141
Show 20493+7131 MLB 422 203 5.5 142
Show 21158+6721 STF2788 352 8.1 148
Show 20592+7224 MLB 423 247 5.9 168
Show 21233+7207 LSC 98 222 0.1 168
Show 21208+6704 LDS4880 141 226.6 175
Show 21068+6644 TDT2757 248 0.7 177
Show 20509+6708 MLB 301 333 4.9 177
Show 21267+7211 TDT2971 116 1.9 179
Show 21015+6643 HU 959 164 1.3 181
Show 20517+6701 MLB 302 324 4.9 181
Show 20573+6645 MLB 268 332 5.8 184
Show 21195+6647 TDT2902 182 0.9 187
Show 21257+7233 HJ 3035 AB 127 23.2 195
Show 21257+7233 HJ 3035 AC 202 24.2 195
Show 21091+6623 MLR 68 280 0.8 198
Show 21091+6626 OCA 4 37 0.6 198
Show 21012+7258 A 880 43 0.3 200
Show 21220+7257 TDT2926 74 0.6 210
Show 20584+6611 FOX 96 123 2.2 215
Show 21125+6608 FOX 97 40 1.6 216
Show 20515+7304 LDS1941 234 1.6 216
Show 21185+6613 HDS3032 144 0.7 217

 
 
WDS 21069+6940 : COMPONENTS
 
 
  A B C
B pa=187.8°
sep=3.45"
 
C pa=241.0°
sep=3.27"
pa=307.4°
sep=3.02"
 
D pa=349.3°
sep=12.99"
pa=353.2°
sep=16.30"
pa=1.8°
sep=14.36"
 
 
21069+6940 A
 
 
Coord arcsec 2000 210656.20+694027.9 Mag 6.4 Spectral class K0 (yellow-orange) PmRA 109.00
PmDE 66.0
 
 
21069+6940 B
 
 
Coord arcsec 2000 210656.11+694024.5 Mag 18.9 Calc delta mag 12.5 Calc coord yes
 
 
21069+6940 C
 
 
Coord arcsec 2000 210655.65+694026.3 Mag 19.3 Calc delta mag 12.9 Calc coord yes
 
 
21069+6940 D
 
 
Coord arcsec 2000 210655.74+694040.7 Mag 20.2 Calc delta mag 13.8 Calc coord yes