13023+3054 SLW 814

 
 
13h 02m 18.77s +30 53' 51.5" P.A. 139.00 sep 89.7 mag 16.31,18.71 Sp M1.6+M3.4
 
 
Coord 2000
13023+3054
Discov num
SLW 814
Comp
Coord arcsec 2000
13 02 18.77 +30 53 51.5
Date first
1955
Date last
2015
Obs
11
Pa first
139
Pa last
139
P.A. Now (θ)
139°
Sep first
89.6
Sep last
89.7
Sep. Now (ρ)
89.7"
Mag pri
16.31
Mag sec
18.71
delta mag (ΔM)
2.4
Spectral class
M1.6+M3.4 (red/red)
Pri motion ra
-053
Sec motion ra
-049
Pri motion dec
+002
Sec motion dec
+001
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
139.2
Precise sep
89.706
Constellation
Coma Berenices
Gaia DR2
84457193344
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13023+3054 SLW 814 2004 1 139 89.7 16.31 18.71 M1.6 M3.4 V R 130218.77+305351.5
13023+3054 SLW 814 2010 3 139 89.7 16.31 18.71 M1.6+M3.4 V R 130218.77+305351.5
13023+3054 SLW 814 2015 4 139 89.7 16.31 18.71 M1.6+M3.4 V R 130218.77+305351.5

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