18542+2158 TDS 952

18h 54m 11.44s +21 57' 31.8" P.A. 77 sep 1.2 mag 11.13,11.94

Coord 2000
18542+2158
Discov num
TDS 952
Comp
Coord arcsec 2000
18 54 11.44 +21 57 31.8
Date first
1991
Date last
1991
Obs
1
Pa first
77
Pa last
77
P.A. Now (θ)
77°
Sep first
1.2
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
11.13
Mag sec
11.94
delta mag (ΔM)
0.81
Spectral class
Pri motion ra
+047
Sec motion ra
+047
Pri motion dec
+035
Sec motion dec
+035
Notes


Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
76.9
Precise sep
1.159
Constellation
Hercules
Tycho2
1596-01903-1
HD
343312
last precise pa
76.9
last precise sep
1.159




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18542+2158 TDS 952 1991 1 77 1.2 11.13 11.94 185411.44+215731.8

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