13020+1857 SLW 812

 
 
13h 01m 58.26s +18 57' 13.3" P.A. 38 sep 54.5 mag 15.13,19.34 Sp K7.5+M3.7
 
 
Coord 2000
13020+1857
Discov num
SLW 812
Comp
Coord arcsec 2000
13 01 58.26 +18 57 13.3
Date first
1999
Date last
2010
Obs
3
Pa first
38
Pa last
38
P.A. Now (θ)
38°
Sep first
54.4
Sep last
54.5
Sep. Now (ρ)
54.5"
Mag pri
15.13
Mag sec
19.34
delta mag (ΔM)
4.21
Spectral class
K7.5+M3.7 (yellow-orange/red)
Pri motion ra
-031
Sec motion ra
-031
Pri motion dec
-030
Sec motion dec
-035
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.107 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
37.5
Precise sep
54.51
Constellation
Coma Berenices
last precise pa
37.5
last precise sep
54.51
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13020+1857 SLW 812 2005 1 38 54.5 15.13 19.34 K7.5 M3.7 V R 130158.26+185713.3
13020+1857 SLW 812 2010 3 38 54.5 15.13 19.34 K7.5+M3.7 V R 130158.26+185713.3

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