18117+1008 TDT 731

 
 
18h 11m 39.39s +10 07' 52.2" P.A. 98 sep 2.5 mag 12.18,12.56
 
 
Coord 2000
18117+1008
Discov num
TDT 731
Comp
Coord arcsec 2000
18 11 39.39 +10 07 52.2
Date first
1991
Date last
1991
Obs
1
Pa first
98
Pa last
98
P.A. Now (θ)
98°
Sep first
2.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
12.18
Mag sec
12.56
delta mag (ΔM)
0.38
Spectral class
Pri motion ra
-009
Sec motion ra
-009
Pri motion dec
-033
Sec motion dec
-033
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
98.1
Precise sep
2.47
Constellation
Ophiuchus
Tycho2
1013-01674-1
last precise pa
98.1
last precise sep
2.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18117+1008 TDT 731 1991 1 98 2.5 12.18 12.56 181139.39+100752.2

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