13497+3134 SLW 937

 
 
13h 49m 39.33s +31 33' 51.7" P.A. 197.00 sep 145.5 mag 18.64,18.89 Sp M1.0+M1.4
 
 
Coord 2000
13497+3134
Discov num
SLW 937
Comp
Coord arcsec 2000
13 49 39.33 +31 33 51.7
Date first
1998
Date last
2015
Obs
8
Pa first
198
Pa last
197
P.A. Now (θ)
197°
Sep first
145.8
Sep last
145.5
Sep. Now (ρ)
145.5"
Mag pri
18.64
Mag sec
18.89
delta mag (ΔM)
0.25
Spectral class
M1.0+M1.4 (red/red)
Pri motion ra
-039
Sec motion ra
-036
Pri motion dec
+014
Sec motion dec
+014
Notes
V R (Proper motion indicates physical, Red magnitudes)
Visually invisible, K-band or other infrared star rPM=0.072 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
197.3
Precise sep
145.476
Constellation
Canes Venatici
Gaia DR2
27148873856
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13497+3134 SLW 937 2004 1 197 145.5 18.64 18.89 M1.0 M1.4 V R 134939.33+313351.7
13497+3134 SLW 937 2010 3 198 145.5 18.64 18.89 M1.0+M1.4 V R 134939.33+313351.7
13497+3134 SLW 937 2015 4 197 145.5 18.64 18.89 M1.0+M1.4 V R 134939.33+313351.7

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