19206+0256 HWE  47

 
 
19h 20m 38.90s +02 56' 15.7" P.A. 305 sep 0.5 mag 7.91,8.88 Sp A2
 
 
Coord 2000
19206+0256
Discov num
HWE  47
Comp
Coord arcsec 2000
19 20 38.90 +02 56 15.7
Date first
1879
Date last
2017
Obs
58
Pa first
329
Pa last
305
P.A. Now (θ)
305°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
7.91
Mag sec
8.88
delta mag (ΔM)
0.97
Spectral class
A2 (white)
Pri motion ra
+019
Sec motion ra
+019
Pri motion dec
+005
Sec motion dec
+005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
304.5
Precise sep
0.549
Constellation
Aquila
Tycho2
0468-02507-1
HD
181527
last precise pa
304.5
last precise sep
0.549
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19206+0256 HWE 47 1997 66 305 0.4 7.91 8.88 A2 D 192038.90+025615.7
19206+0256 HWE 47 2017 58 305 0.5 7.91 8.88 A2 192038.90+025615.7

If you need more information about this double, apply for a data request form to the WDS.