18238+3439 TDT 831

 
 
18h 23m 47.02s +34 39' 09.7" P.A. 228 sep 0.8 mag 12.00,12.08
 
 
Coord 2000
18238+3439
Discov num
TDT 831
Comp
Coord arcsec 2000
18 23 47.02 +34 39 09.7
Date first
1991
Date last
1991
Obs
1
Pa first
228
Pa last
228
P.A. Now (θ)
228°
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
12.00
Mag sec
12.08
delta mag (ΔM)
0.08
Spectral class
Pri motion ra
-011
Sec motion ra
-011
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
227.9
Precise sep
0.82
Constellation
Lyra
Tycho2
2631-01491-1
last precise pa
227.9
last precise sep
0.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18238+3439 TDT 831 1991 1 228 0.8 12.00 12.08 182347.02+343909.7

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