15314+2556 SLW1102

 
 
15h 31m 26.63s +25 55' 31.5" P.A. 274 sep 10.1 mag 17.41,18.85 Sp M3.2+M4.0
 
 
Coord 2000
15314+2556
Discov num
SLW1102
Comp
Coord arcsec 2000
15 31 26.63 +25 55 31.5
Date first
1997
Date last
2010
Obs
3
Pa first
274
Pa last
274
P.A. Now (θ)
274°
Sep first
10.0
Sep last
10.1
Sep. Now (ρ)
10.1"
Mag pri
17.41
Mag sec
18.85
delta mag (ΔM)
1.44
Spectral class
M3.2+M4.0 (red/red)
Pri motion ra
-100
Sec motion ra
-105
Pri motion dec
+067
Sec motion dec
+066
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.041 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.2
Precise sep
10.12
Constellation
Corona Borealis
last precise pa
274.2
last precise sep
10.12
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15314+2556 SLW1102 2004 1 274 10.1 17.41 18.85 M3.2 M4.0 V R 153126.63+255531.5
15314+2556 SLW1102 2010 3 275 9.8 17.41 18.85 M3.2+M4.0 V R 153126.63+255531.5

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