19081+4905 A  1390

 
 
19h 08m 04.86s +49 04' 54.7" P.A. 239 sep 1.9 mag 8.34,11.63 Sp K2
 
 
Coord 2000
19081+4905
Discov num
A  1390
Comp
Coord arcsec 2000
19 08 04.86 +49 04 54.7
Date first
1906
Date last
2003
Obs
7
Pa first
263
Pa last
239
P.A. Now (θ)
239°
Sep first
4.4
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
8.34
Mag sec
11.63
delta mag (ΔM)
3.29
Spectral class
K2 (yellow-orange)
Pri motion ra
-018
Sec motion ra
-022
Pri motion dec
+004
Sec motion dec
+001
Notes
rPM=0.227 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
239.2
Precise sep
1.879
Constellation
Draco
Tycho2
3550-01252-1
HD
178910
last precise pa
239.2
last precise sep
1.879
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19081+4905 A 1390 1991 6 247 3.0 8.34 11.63 K2 190804.86+490454.7
19081+4905 A 1390 2003 7 239 1.9 8.34 11.63 K2 190804.86+490454.7

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