16364+3748 LDS4680

 
 
16h 36m 25.16s +37 47' 42.8" P.A. 261 sep 21.3 mag 15.80,19.40 Sp M0+M4
 
 
Coord 2000
16364+3748
Discov num
LDS4680
Comp
Coord arcsec 2000
16 36 25.16 +37 47 42.8
Date first
1960
Date last
2010
Obs
4
Pa first
262
Pa last
261
P.A. Now (θ)
261°
Sep first
21.0
Sep last
21.3
Sep. Now (ρ)
21.3"
Mag pri
15.80
Mag sec
19.40
delta mag (ΔM)
3.6
Spectral class
M0+M4 (red/red)
Pri motion ra
-106
Sec motion ra
-107
Pri motion dec
+003
Sec motion dec
+000
Notes
V (Proper motion indicates physical)
rPM=0.03 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
261.2
Precise sep
21.25
Constellation
Hercules
last precise pa
261.2
last precise sep
21.25
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16364+3748 LDS4680 2000 2 261 21.2 15.80 19.40 163625.16+374742.8
16364+3748 LDS4680 2002 2 261 21.2 15.80 19.40 M0+M4 V 163625.16+374742.8
16364+3748 LDS4680 2010 4 261 21.2 15.80 19.40 M0+M4 V 163625.16+374742.8

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