19017-2001 DYL  31

 
 
19h 01m 41.68s -20 00' 41.9" P.A. 267 sep 17.7 mag 11.10,11.53
 
 
Coord 2000
19017-2001
Discov num
DYL  31
Comp
Coord arcsec 2000
19 01 41.68 -20 00 41.9
Date first
1984
Date last
2010
Obs
4
Pa first
268
Pa last
267
P.A. Now (θ)
267°
Sep first
17.9
Sep last
17.7
Sep. Now (ρ)
17.7"
Mag pri
11.10
Mag sec
11.53
delta mag (ΔM)
0.43
Spectral class
Pri motion ra
-007
Sec motion ra
+022
Pri motion dec
+005
Sec motion dec
-009
Notes
rPM=1.355
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
267.4
Precise sep
17.68
Constellation
Sagittarius
last precise pa
267.4
last precise sep
17.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19017-2001 DYL 31 2000 2 267 17.8 12.00 12.20 D 190141.68-200041.9
19017-2001 DYL 31 2010 4 267 18.1 11.10 11.53 190141.68-200041.9

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