13392+1209 LDS4391

 
 
13h 39m 08.94s +12 09' 26.9" P.A. 129 sep 87.3 mag 14.00,14.73 Sp dM+DB
 
 
Coord 2000
13392+1209
Discov num
LDS4391
Comp
Coord arcsec 2000
13 39 08.94 +12 09 26.9
Date first
1960
Date last
2016
Obs
9
Pa first
127
Pa last
129
P.A. Now (θ)
129°
Sep first
87.0
Sep last
87.3
Sep. Now (ρ)
87.3"
Mag pri
14.00
Mag sec
14.73
delta mag (ΔM)
0.73
Spectral class
dM+DB
Pri motion ra
+131
Sec motion ra
+123
Pri motion dec
-122
Sec motion dec
-137
Notes
V (Proper motion indicates physical)
rPM=0.092 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
129.2
Precise sep
87.315
Constellation
Bootes
last precise pa
129.2
last precise sep
87.315
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13392+1209 LDS4391 2000 3 129 87.3 14.17 14.87 D 133908.94+120926.9
13392+1209 LDS4391 2004 6 127 87.0 14.17 14.87 dM+DB VD 133908.94+120926.9
13392+1209 LDS4391 2010 8 129 87.3 14.00 14.73 dM+DB V 133908.94+120926.9
13392+1209 LDS4391 2016 9 129 87.3 14.00 14.73 dM+DB V 133908.94+120926.9

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