18031-2545 RST3152

 
 
18h 03m 04.36s -25 44' 58.8" P.A. 244.00 sep 0.7 mag 9.80,12.30 Sp B7/8II
 
 
Coord 2000
18031-2545
Discov num
RST3152
Comp
Coord arcsec 2000
18 03 04.36 -25 44 58.8
Date first
1935
Date last
1943
Obs
2
Pa first
243
Pa last
244
P.A. Now (θ)
244°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
9.80
Mag sec
12.30
delta mag (ΔM)
2.5
Spectral class
B7/8II (blue-white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
244
Precise sep
0.65
Constellation
Sagittarius
SAO
186167
Tycho2
6846-00581-1
Gaia DR2
4064186131867181056
HD
164603
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18031-2545 RST3152 1943 2 244 0.7 9.80 12.30 B7/8II 180304.36-254458.8

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