18197+4654 TDS 916

 
 
18h 19m 40.59s +46 54' 24.4" P.A. 201 sep 0.8 mag 10.86,11.42
 
 
Coord 2000
18197+4654
Discov num
TDS 916
Comp
Coord arcsec 2000
18 19 40.59 +46 54 24.4
Date first
1991
Date last
2010
Obs
2
Pa first
195
Pa last
201
P.A. Now (θ)
201°
Sep first
0.9
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
10.86
Mag sec
11.42
delta mag (ΔM)
0.56
Spectral class
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
-019
Sec motion dec
-019
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
200.8
Precise sep
0.839
Constellation
Lyra
Tycho2
3529-02660-1
last precise pa
200.8
last precise sep
0.839
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18197+4654 TDS 916 1991 1 195 0.9 10.86 11.42 181940.59+465424.4
18197+4654 TDS 916 2010 2 201 0.8 10.86 11.42 181940.59+465424.4

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