19487+2548 KU  123

 
 
19h 48m 42.71s +25 48' 28.4" P.A. 298 sep 21.8 mag 9.40,11.02 Sp M0
 
 
Coord 2000
19487+2548
Discov num
KU  123
Comp
Coord arcsec 2000
19 48 42.71 +25 48 28.4
Date first
1898
Date last
2013
Obs
13
Pa first
302
Pa last
298
P.A. Now (θ)
298°
Sep first
20.1
Sep last
21.8
Sep. Now (ρ)
21.8"
Mag pri
9.40
Mag sec
11.02
delta mag (ΔM)
1.62
Spectral class
M0 (red)
Pri motion ra
+008
Sec motion ra
-003
Pri motion dec
+001
Sec motion dec
-004
Notes
rPM=1.499
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
297.6
Precise sep
21.82
Constellation
Vulpecula
Tycho2
2143-00101-1
HD
338998
last precise pa
297.6
last precise sep
21.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19487+2548 KU 123 2007 9 298 21.5 9.40 11.02 M0 D 194842.71+254828.4
19487+2548 KU 123 2009 10 298 21.5 9.40 11.02 M0 D 194842.71+254828.4
19487+2548 KU 123 2013 12 298 21.8 9.40 11.02 M0 194842.71+254828.4

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