18549+0716 J  1275

 
 
18h 54m 54.18s +07 14' 51.1" P.A. 198 sep 2.4 mag 12.40,13.40
 
 
Coord 2000
18549+0716
Discov num
J  1275
Comp
Coord arcsec 2000
18 54 54.18 +07 14 51.1
Date first
1916
Date last
2015
Obs
7
Pa first
199
Pa last
198
P.A. Now (θ)
198°
Sep first
1.6
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
12.40
Mag sec
13.40
delta mag (ΔM)
1
Spectral class
Pri motion ra
-003
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
197.6
Precise sep
2.378
Constellation
Aquila
Tycho2
0461-00271-1
Gaia DR2
34471158016
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18549+0716 J 1275 1982 5 201 2.0 9.50 10.50 185406.67+071600.0
18549+0716 J 1275 2001 7 198 2.3 12.40 13.40 185454.18+071451.1
18549+0716 J 1275 2015 8 198 2.4 12.40 13.40 185454.18+071451.1

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