19540+1847 J  3028

 
 
19h 53m 47.46s +18 46' 51.1" P.A. 307 sep 4.8 mag 13.00,14.00
 
 
Coord 2000
19540+1847
Discov num
J  3028
Comp
Coord arcsec 2000
19 53 47.46 +18 46 51.1
Date first
1944
Date last
2015
Obs
7
Pa first
305
Pa last
307
P.A. Now (θ)
307°
Sep first
4.0
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
13.00
Mag sec
14.00
delta mag (ΔM)
1
Spectral class
Pri motion ra
+051
Sec motion ra
+018
Pri motion dec
+113
Sec motion dec
-038
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=1.247
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306.6
Precise sep
4.76
Cdsa2 id
J 3028
Constellation
Sagitta
Ra deg
19.896516666666667
De deg
18.78086111111111
last precise pa
306.6
last precise sep
4.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19540+1847 J 3028 1944 1 305 4.0 13.00 14.00 195400.00+184700.0
19540+1847 J 3028 2000 2 306 4.5 13.00 14.00 195347.46+184651.1
19540+1847 J 3028 2001 4 306 4.7 13.00 14.00 N D 195347.46+184651.1
19540+1847 J 3028 2004 4 306 4.6 13.00 14.00 N 195347.46+184651.1
19540+1847 J 3028 2013 5 306 4.7 13.00 14.00 N 195347.46+184651.1
19540+1847 J 3028 2015 7 307 4.8 13.00 14.00 NU 195347.46+184651.1

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