18420+2221 TDT1008

 
 
18h 41m 58.15s +22 20' 55.2" P.A. 41 sep 2.4 mag 12.88,14.21
 
 
Coord 2000
18420+2221
Discov num
TDT1008
Comp
Coord arcsec 2000
18 41 58.15 +22 20 55.2
Date first
1991
Date last
1991
Obs
1
Pa first
41
Pa last
41
P.A. Now (θ)
41°
Sep first
2.4
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
12.88
Mag sec
14.21
delta mag (ΔM)
1.33
Spectral class
Pri motion ra
+007
Sec motion ra
+007
Pri motion dec
+004
Sec motion dec
+004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
41
Precise sep
2.36
Constellation
Hercules
Tycho2
1595-00595-1
last precise pa
41
last precise sep
2.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18420+2221 TDT1008 1991 1 41 2.4 12.88 14.21 184158.15+222055.2

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