19442+1815 TDT1687

 
 
19h 44m 10.80s +18 14' 33.3" P.A. 225 sep 1.8 mag 11.09,12.50
 
 
Coord 2000
19442+1815
Discov num
TDT1687
Comp
Coord arcsec 2000
19 44 10.80 +18 14 33.3
Date first
1991
Date last
1991
Obs
1
Pa first
225
Pa last
225
P.A. Now (θ)
225°
Sep first
1.8
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
11.09
Mag sec
12.50
delta mag (ΔM)
1.41
Spectral class
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
224.9
Precise sep
1.84
Constellation
Sagitta
Tycho2
1619-01235-1
last precise pa
224.9
last precise sep
1.84
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19442+1815 TDT1687 1991 1 225 1.8 11.09 12.50 194410.80+181433.3

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