18115+1020 TDT 730

 
 
18h 11m 30.65s +10 19' 51.4" P.A. 226 sep 0.5 mag 10.53,10.59 Sp M2
 
 
Coord 2000
18115+1020
Discov num
TDT 730
Comp
Coord arcsec 2000
18 11 30.65 +10 19 51.4
Date first
1991
Date last
1991
Obs
1
Pa first
226
Pa last
226
P.A. Now (θ)
226°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.53
Mag sec
10.59
delta mag (ΔM)
0.06
Spectral class
M2 (red)
Pri motion ra
-007
Sec motion ra
-007
Pri motion dec
-009
Sec motion dec
-009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
226
Precise sep
0.45
Constellation
Ophiuchus
Tycho2
1013-01570-1
last precise pa
226
last precise sep
0.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18115+1020 TDT 730 1991 1 226 0.5 10.53 10.59 181130.65+101951.4

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