13171+1829 SLW 847

 
 
13h 17m 03.36s +18 28' 48.7" P.A. 292 sep 132.9 mag 17.07,18.79 Sp K7.5+M1.7
 
 
Coord 2000
13171+1829
Discov num
SLW 847
Comp
Coord arcsec 2000
13 17 03.36 +18 28 48.7
Date first
1999
Date last
2010
Obs
3
Pa first
292
Pa last
292
P.A. Now (θ)
292°
Sep first
133.0
Sep last
132.9
Sep. Now (ρ)
132.9"
Mag pri
17.07
Mag sec
18.79
delta mag (ΔM)
1.72
Spectral class
K7.5+M1.7 (yellow-orange/red)
Pri motion ra
-039
Sec motion ra
-038
Pri motion dec
+011
Sec motion dec
+014
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.078 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
291.7
Precise sep
132.88
Constellation
Coma Berenices
last precise pa
291.7
last precise sep
132.88
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13171+1829 SLW 847 2005 1 292 132.9 17.07 18.79 K7.5 M1.7 V R 131703.36+182848.7
13171+1829 SLW 847 2010 3 292 132.9 17.07 18.79 K7.5+M1.7 V R 131703.36+182848.7

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