19173-2747 LDS4807

 
 
19h 17m 22.74s -27 47' 33.6" P.A. 216 sep 101.1 mag 17.70,18.60
 
 
Coord 2000
19173-2747
Discov num
LDS4807
Comp
Coord arcsec 2000
19 17 22.74 -27 47 33.6
Date first
1960
Date last
2015
Obs
7
Pa first
217
Pa last
216
P.A. Now (θ)
216°
Sep first
102.0
Sep last
101.1
Sep. Now (ρ)
101.1"
Mag pri
17.70
Mag sec
18.60
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
+124
Sec motion ra
+122
Pri motion dec
-136
Sec motion dec
-158
Notes
V (Proper motion indicates physical)
rPM=0.111 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
216.4
Precise sep
101.147
Constellation
Sagittarius
Gaia DR2
02354759680
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19173-2747 LDS4807 1960 1 217 102.0 17.74 18.60 191722.75-274733.7
19173-2747 LDS4807 2000 3 217 101.2 17.70 18.60 V 191722.74-274733.6
19173-2747 LDS4807 2010 5 217 101.3 17.70 18.60 V 191722.74-274733.6
19173-2747 LDS4807 2015 6 217 101.1 17.70 18.60 V 191722.74-274733.6

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