12560-1257 SKF2542AB

 
 
12h 56m 02.15s -12 57' 21.7" P.A. 216.00 sep 7.4 mag 17.80,22.50 Sp M7.5+L7
 
 
Coord 2000
12560-1257
Discov num
SKF2542
Comp
AB
Coord arcsec 2000
12 56 02.15 -12 57 21.7
Date first
1999
Date last
2013
Obs
4
Pa first
218
Pa last
216
P.A. Now (θ)
216°
Sep first
7.6
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
17.80
Mag sec
22.50
delta mag (ΔM)
4.7
Spectral class
M7.5+L7 (red/very deep red)
Pri motion ra
-282
Sec motion ra
-275
Pri motion dec
-206
Sec motion dec
-198
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.03 (< 0.3, Physical double)
This double is physical.
 
 
12560-1257 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12560-1257 SJM 1 Aa,Ab 2015 2019 5 149 0.1 10.79 10.81 0.02
Show 12560-1257 SKF2542 AB 1999 2013 4 216 7.4 17.80 22.50 4.70 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
216.4
Precise sep
7.417
Constellation
Corvus
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12560-1257 SKF2542 AB 2011 3 218 8.1 17.80 22.50 M7.5+L7 NV 125602.15-125721.7
12560-1257 SKF2542 AB 2013 4 216 7.4 17.80 22.50 M7.5+L7 NV 125602.15-125721.7

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