17156+3415 SLW1208

 
 
17h 15m 33.51s +34 14' 54.4" P.A. 145 sep 21.1 mag 15.93,19.03 Sp M1.6+M3.9
 
 
Coord 2000
17156+3415
Discov num
SLW1208
Comp
Coord arcsec 2000
17 15 33.51 +34 14 54.4
Date first
1998
Date last
2010
Obs
3
Pa first
145
Pa last
145
P.A. Now (θ)
145°
Sep first
21.1
Sep last
21.1
Sep. Now (ρ)
21.1"
Mag pri
15.93
Mag sec
19.03
delta mag (ΔM)
3.1
Spectral class
M1.6+M3.9 (red/red)
Pri motion ra
-022
Sec motion ra
-018
Pri motion dec
+045
Sec motion dec
+046
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.082 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
144.5
Precise sep
21.07
Constellation
Hercules
last precise pa
144.5
last precise sep
21.07
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17156+3415 SLW1208 2001 1 145 21.0 15.93 19.03 M1.6 M3.9 V R 171533.51+341454.4
17156+3415 SLW1208 2010 3 145 21.0 15.93 19.03 M1.6+M3.9 V R 171533.51+341454.4

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