12380+2431 SLW 748

 
 
12h 38m 00.65s +24 30' 49.4" P.A. 91 sep 13.9 mag 15.31,18.51 Sp M2.0+M4.3
 
 
Coord 2000
12380+2431
Discov num
SLW 748
Comp
Coord arcsec 2000
12 38 00.65 +24 30 49.4
Date first
2000
Date last
2015
Obs
4
Pa first
91
Pa last
91
P.A. Now (θ)
91°
Sep first
14.1
Sep last
13.9
Sep. Now (ρ)
13.9"
Mag pri
15.31
Mag sec
18.51
delta mag (ΔM)
3.2
Spectral class
M2.0+M4.3 (red/red)
Pri motion ra
-135
Sec motion ra
-135
Pri motion dec
+026
Sec motion dec
+025
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.007 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
90.6
Precise sep
13.933
Constellation
Coma Berenices
Gaia DR2
29803071872
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12380+2431 SLW 748 2005 1 91 14.0 15.31 18.51 M2.0 M4.3 V R 123800.65+243049.4
12380+2431 SLW 748 2010 3 91 13.8 15.31 18.51 M2.0+M4.3 V R 123800.65+243049.4
12380+2431 SLW 748 2015 4 91 13.9 15.31 18.51 M2.0+M4.3 V R 123800.65+243049.4

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