16234+3844 LDS4664

 
 
16h 23m 20.30s +38 43' 53.4" P.A. 302 sep 75.1 mag 16.10,17.63 Sp M2.0+M3.0
 
 
Coord 2000
16234+3844
Discov num
LDS4664
Comp
Coord arcsec 2000
16 23 20.30 +38 43 53.4
Date first
1960
Date last
2010
Obs
7
Pa first
303
Pa last
302
P.A. Now (θ)
302°
Sep first
76.0
Sep last
75.1
Sep. Now (ρ)
75.1"
Mag pri
16.10
Mag sec
17.63
delta mag (ΔM)
1.53
Spectral class
M2.0+M3.0 (red/red)
Pri motion ra
-135
Sec motion ra
-137
Pri motion dec
+139
Sec motion dec
+139
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.01 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
301.6
Precise sep
75.135
Constellation
Corona Borealis
last precise pa
301.6
last precise sep
75.135
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16234+3844 LDS4664 2000 3 302 75.2 16.10 17.63 D 162320.30+384353.4
16234+3844 LDS4664 2002 4 302 75.1 16.10 17.63 M2.0+M3.0 NVD 162320.30+384353.4
16234+3844 LDS4664 2010 6 302 75.1 16.10 17.63 M2.0+M3.0 NV 162320.30+384353.4

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