12279+4815 SLW 727

 
 
12h 27m 56.98s +48 14' 40.9" P.A. 47 sep 30.4 mag 15.66,16.10 Sp M2.8+M3.1
 
 
Coord 2000
12279+4815
Discov num
SLW 727
Comp
Coord arcsec 2000
12 27 56.98 +48 14 40.9
Date first
1999
Date last
2010
Obs
4
Pa first
47
Pa last
47
P.A. Now (θ)
47°
Sep first
30.5
Sep last
30.4
Sep. Now (ρ)
30.4"
Mag pri
15.66
Mag sec
16.10
delta mag (ΔM)
0.44
Spectral class
M2.8+M3.1 (red/red)
Pri motion ra
-023
Sec motion ra
-022
Pri motion dec
-046
Sec motion dec
-049
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.059 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
47.2
Precise sep
30.42
Constellation
Canes Venatici
last precise pa
47.2
last precise sep
30.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12279+4815 SLW 727 2003 1 47 30.4 15.66 16.10 M2.8 M3.1 V R 122756.98+481440.9
12279+4815 SLW 727 2010 4 47 30.4 15.66 16.10 M2.8+M3.1 V R 122756.98+481440.9

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