17459-1318 SKF 306

 
 
17h 45m 53.35s -13 18' 22.3" P.A. 32 sep 32.8 mag 11.94,14.36 Sp M3V+DA7 dist. 33.38 pc (108.89 l.y.)
 
 
Coord 2000
17459-1318
Discov num
SKF 306
Comp
Coord arcsec 2000
17 45 53.35 -13 18 22.3
Date first
1954
Date last
2010
Obs
6
Pa first
37
Pa last
32
P.A. Now (θ)
32°
Sep first
32.8
Sep last
32.8
Sep. Now (ρ)
32.8"
Mag pri
11.94
Mag sec
14.36
delta mag (ΔM)
2.42
Spectral class
M3V+DA7 (red)
Pri motion ra
+056
Sec motion ra
+044
Pri motion dec
+094
Sec motion dec
+113
Notes
V (Proper motion indicates physical)
rPM=0.185 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
32.4
Precise sep
32.75
Constellation
Serpens
HIP
86938
Distance
33.38
Distance ly
108.89
last precise pa
32.4
last precise sep
32.75
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17459-1318 SKF 306 2000 5 33 32.3 11.94 14.36 M3V DA7 V 174553.35-131822.3
17459-1318 SKF 306 2002 2 33 32.3 11.90 14.30 M3V+DA V 174553.35-131822.3
17459-1318 SKF 306 2010 6 33 32.0 11.94 14.36 M3V+DA7 V 174553.35-131822.3

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