12499+2642 LDS4280

 
 
12h 49m 52.67s +26 43' 04.6" P.A. 282 sep 15.1 mag 16.90,18.70 Sp M0+M2
 
 
Coord 2000
12499+2642
Discov num
LDS4280
Comp
Coord arcsec 2000
12 49 52.67 +26 43 04.6
Date first
1960
Date last
2010
Obs
4
Pa first
284
Pa last
282
P.A. Now (θ)
282°
Sep first
16.0
Sep last
15.1
Sep. Now (ρ)
15.1"
Mag pri
16.90
Mag sec
18.70
delta mag (ΔM)
1.8
Spectral class
M0+M2 (red/red)
Pri motion ra
-069
Sec motion ra
-066
Pri motion dec
+015
Sec motion dec
+018
Notes
V (Proper motion indicates physical)
rPM=0.06 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
281.6
Precise sep
15.09
Cdsa2 id
LDS 4280
Constellation
Coma Berenices
Ra deg
12.831297222222222
De deg
26.71794444444444
last precise pa
281.6
last precise sep
15.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12499+2642 LDS4280 2000 3 282 15.1 16.90 18.70 D 124952.67+264304.6
12499+2642 LDS4280 2005 3 281 15.1 16.90 18.70 M0+M2 V 124952.67+264304.6
12499+2642 LDS4280 2010 4 282 15.0 16.90 18.70 M0+M2 V 124952.67+264304.6

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