15487+4908 SLW1139

 
 
15h 48m 41.63s +49 08' 00.8" P.A. 261 sep 38.7 mag 15.78,17.75 Sp K7.1+M2.0
 
 
Coord 2000
15487+4908
Discov num
SLW1139
Comp
Coord arcsec 2000
15 48 41.63 +49 08 00.8
Date first
1998
Date last
2010
Obs
3
Pa first
261
Pa last
261
P.A. Now (θ)
261°
Sep first
38.7
Sep last
38.7
Sep. Now (ρ)
38.7"
Mag pri
15.78
Mag sec
17.75
delta mag (ΔM)
1.97
Spectral class
K7.1+M2.0 (yellow-orange/red)
Pri motion ra
+018
Sec motion ra
+017
Pri motion dec
-043
Sec motion dec
-047
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.082 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
260.8
Precise sep
38.69
Constellation
Bootes
last precise pa
260.8
last precise sep
38.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15487+4908 SLW1139 2001 1 261 38.7 15.78 17.75 K7.1 M2.0 V R 154841.63+490800.8
15487+4908 SLW1139 2010 3 261 38.7 15.78 17.75 K7.1+M2.0 V R 154841.63+490800.8

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