19424-2940 RST2117

 
 
19h 42m 25.28s -29 39' 48.7" P.A. 250.00 sep 1.9 mag 11.42,13.70
 
 
Coord 2000
19424-2940
Discov num
RST2117
Comp
Coord arcsec 2000
19 42 25.28 -29 39 48.7
Date first
1934
Date last
2015
Obs
3
Pa first
249
Pa last
250
P.A. Now (θ)
250°
Sep first
1.7
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
11.42
Mag sec
13.70
delta mag (ΔM)
2.28
Spectral class
Pri motion ra
+006
Sec motion ra
Pri motion dec
+009
Sec motion dec
Notes
S (Parallax indidates non-physical)
Visually invisible, K-band or other infrared star This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
249.9
Precise sep
1.909
Constellation
Sagittarius
SAO
188465
Tycho2
6902-01497-1
Gaia DR2
15337872000
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19424-2940 RST2117 1944 2 250 1.7 11.42 13.70 194225.28-293948.7
19424-2940 RST2117 2015 3 250 1.9 11.42 13.70 S 194225.28-293948.7

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