13171+3124 SLW 848

 
 
13h 17m 08.84s +31 24' 04.0" P.A. 116.00 sep 27.6 mag 14.91,19.49 Sp M0.6+M4.5
 
 
Coord 2000
13171+3124
Discov num
SLW 848
Comp
Coord arcsec 2000
13 17 08.84 +31 24 04.0
Date first
1981
Date last
2015
Obs
11
Pa first
116
Pa last
116
P.A. Now (θ)
116°
Sep first
27.5
Sep last
27.6
Sep. Now (ρ)
27.6"
Mag pri
14.91
Mag sec
19.49
delta mag (ΔM)
4.58
Spectral class
M0.6+M4.5 (red/red)
Pri motion ra
-050
Sec motion ra
-045
Pri motion dec
-015
Sec motion dec
-014
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.098 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
115.8
Precise sep
27.593
Constellation
Canes Venatici
Gaia DR2
45869430144
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13171+3124 SLW 848 2004 1 116 27.6 14.91 19.49 M0.6 M4.5 V R 131708.84+312404.0
13171+3124 SLW 848 2010 3 116 27.6 14.91 19.49 M0.6+M4.5 V R 131708.84+312404.0
13171+3124 SLW 848 2015 4 116 27.6 14.91 19.49 M0.6+M4.5 V R 131708.84+312404.0

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