15509+0704 SLW1144

 
 
15h 50m 54.05s +07 03' 32.9" P.A. 252 sep 28.4 mag 18.22,18.29 Sp M3.3+M3.4
 
 
Coord 2000
15509+0704
Discov num
SLW1144
Comp
Coord arcsec 2000
15 50 54.05 +07 03 32.9
Date first
2000
Date last
2010
Obs
3
Pa first
251
Pa last
252
P.A. Now (θ)
252°
Sep first
28.4
Sep last
28.4
Sep. Now (ρ)
28.4"
Mag pri
18.22
Mag sec
18.29
delta mag (ΔM)
0.07
Spectral class
M3.3+M3.4 (red/red)
Pri motion ra
+024
Sec motion ra
+025
Pri motion dec
-027
Sec motion dec
-031
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.104 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
251.5
Precise sep
28.37
Constellation
Serpens
last precise pa
251.5
last precise sep
28.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15509+0704 SLW1144 2003 1 252 28.5 18.22 18.29 M3.3 M3.4 V R 155054.05+070332.9
15509+0704 SLW1144 2010 3 251 28.4 18.22 18.29 M3.3+M3.4 V R 155054.05+070332.9

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