19493+4005 UC  247

 
 
19h 49m 17.28s +40 05' 24.1" P.A. 31 sep 40.4 mag 10.69,14.19 Sp K5
 
 
Coord 2000
19493+4005
Discov num
UC  247
Comp
Coord arcsec 2000
19 49 17.28 +40 05 24.1
Date first
1998
Date last
2013
Obs
4
Pa first
31
Pa last
31
P.A. Now (θ)
31°
Sep first
40.5
Sep last
40.4
Sep. Now (ρ)
40.4"
Mag pri
10.69
Mag sec
14.19
delta mag (ΔM)
3.5
Spectral class
K5 (yellow-orange)
Pri motion ra
+058
Sec motion ra
+059
Pri motion dec
-091
Sec motion dec
-089
Notes
V (Proper motion indicates physical)
rPM=0.021 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
30.7
Precise sep
40.426
Constellation
Cygnus
Tycho2
3140-00488-1
HD
225987
last precise pa
30.7
last precise sep
40.426
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19493+4005 UC 247 1998 1 31 40.5 10.69 13.98 V 194917.28+400524.1
19493+4005 UC 247 2002 2 31 40.6 10.69 13.98 VD 194917.28+400524.1
19493+4005 UC 247 2013 3 31 40.4 10.69 14.19 K5 V 194917.28+400524.1

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