19547+3831 ALI 907

 
 
19h 54m 43.33s +38 30' 46.5" P.A. 23 sep 14.6 mag 11.68,12.30
 
 
Coord 2000
19547+3831
Discov num
ALI 907
Comp
Coord arcsec 2000
19 54 43.33 +38 30 46.5
Date first
1929
Date last
2010
Obs
4
Pa first
26
Pa last
23
P.A. Now (θ)
23°
Sep first
14.3
Sep last
14.6
Sep. Now (ρ)
14.6"
Mag pri
11.68
Mag sec
12.30
delta mag (ΔM)
0.62
Spectral class
Pri motion ra
+001
Sec motion ra
+002
Pri motion dec
+000
Sec motion dec
+000
Notes
rPM=0.5
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
23.1
Precise sep
14.61
Constellation
Cygnus
Tycho2
3137-00555-1
last precise pa
23.1
last precise sep
14.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19547+3831 ALI 907 1998 2 23 14.6 11.68 12.30 D 195443.33+383046.5
19547+3831 ALI 907 2002 3 24 14.6 11.68 12.30 D 195443.33+383046.5
19547+3831 ALI 907 2010 4 23 14.5 11.68 12.30 195443.33+383046.5

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