20193-3106 RST2138

 
 
20h 19m 15.76s -31 06' 01.7" P.A. 60 sep 2.4 mag 11.36,11.80 Sp G0
 
 
Coord 2000
20193-3106
Discov num
RST2138
Comp
Coord arcsec 2000
20 19 15.76 -31 06 01.7
Date first
1934
Date last
2015
Obs
4
Pa first
62
Pa last
60
P.A. Now (θ)
60°
Sep first
2.4
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
11.36
Mag sec
11.80
delta mag (ΔM)
0.44
Spectral class
G0 (yellow)
Pri motion ra
-038
Sec motion ra
+027
Pri motion dec
-039
Sec motion dec
+001
Notes
rPM=1.402
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
59.9
Precise sep
2.443
Constellation
Sagittarius
SAO
211997
Tycho2
7442-01638-1
Gaia DR2
90706546816
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20193-3106 RST2138 1944 2 62 2.3 11.36 11.80 G0 201915.76-310601.7
20193-3106 RST2138 2000 3 60 2.4 11.36 11.80 G0 201915.76-310601.7
20193-3106 RST2138 2015 5 60 2.4 11.36 11.80 G0 201915.76-310601.7

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