18166-1247 TSN  45

 
 
18H 16M 34.85S -12 46' 42.2" P.A. 315 SEP 15.6 MAG 17.70,15.40 SP M2.0+M4.5
 
 
Coord 2000
18166-1247
Discov num
TSN  45
Comp
Coord arcsec 2000
18 16 34.85 -12 46 42.2
Date first
1999
Date last
2010
Obs
5
Pa first
315
Pa last
315
P.A. Now (θ)
315°
Sep first
15.7
Sep last
15.6
Sep. Now (ρ)
15.6"
Mag pri
17.70
Mag sec
15.40
delta mag (ΔM)
2.3
Spectral class
M2.0+M4.5 (red/red)
Pri motion ra
-242
Sec motion ra
-218
Pri motion dec
-189
Sec motion dec
-211
Notes
V B (Proper motion indicates physical, Blue magnitudes)
rPM=0.106 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
last precise pa
314.9
last precise sep
15.565