20018-0121 J   544

 
 
20h 01m 47.15s -01 20' 51.8" P.A. 350 sep 4 mag 10.41,11.20 Sp F8
 
 
Coord 2000
20018-0121
Discov num
J   544
Comp
Coord arcsec 2000
20 01 47.15 -01 20 51.8
Date first
1896
Date last
2009
Obs
8
Pa first
350
Pa last
350
P.A. Now (θ)
350°
Sep first
3.6
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
10.41
Mag sec
11.20
delta mag (ΔM)
0.79
Spectral class
F8 (yellow-white)
Pri motion ra
+041
Sec motion ra
+015
Pri motion dec
-106
Sec motion dec
+064
Notes
rPM=1.513
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
349.8
Precise sep
3.98
Constellation
Aquila
Tycho2
5160-00726-1
HD
357811
last precise pa
349.8
last precise sep
3.98
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20018-0121 J 544 1998 6 352 3.5 10.41 11.20 F8 D 200147.15-012051.8
20018-0121 J 544 2009 7 350 4.0 10.41 11.20 F8 D 200147.15-012051.8

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