18439+2344 POU3511

 
 
18h 43m 53.65s +23 43' 55.8" P.A. 144 sep 23.4 mag 10.31,11.45 Sp M0
 
 
Coord 2000
18439+2344
Discov num
POU3511
Comp
Coord arcsec 2000
18 43 53.65 +23 43 55.8
Date first
1894
Date last
2010
Obs
13
Pa first
135
Pa last
144
P.A. Now (θ)
144°
Sep first
23.8
Sep last
23.4
Sep. Now (ρ)
23.4"
Mag pri
10.31
Mag sec
11.45
delta mag (ΔM)
1.14
Spectral class
M0 (red)
Pri motion ra
+007
Sec motion ra
-022
Pri motion dec
+004
Sec motion dec
-016
Notes
rPM=1.295
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
144.1
Precise sep
23.35
Constellation
Hercules
Tycho2
2108-01457-1
HD
342881
last precise pa
144.1
last precise sep
23.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18439+2344 POU3511 2007 10 143 23.7 10.31 11.45 D 184353.65+234355.8
18439+2344 POU3511 2008 11 144 23.3 10.31 11.45 D 184353.65+234355.8
18439+2344 POU3511 2010 13 144 23.3 10.31 11.45 M0 184353.65+234355.8

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