20199-3938 UC 4148

 
 
20h 19m 55.18s -39 38' 19.1" P.A. 227 sep 39.2 mag 10.40,16.20
 
 
Coord 2000
20199-3938
Discov num
UC 4148
Comp
Coord arcsec 2000
20 19 55.18 -39 38 19.1
Date first
1998
Date last
2015
Obs
4
Pa first
225
Pa last
227
P.A. Now (θ)
227°
Sep first
38.8
Sep last
39.2
Sep. Now (ρ)
39.2"
Mag pri
10.40
Mag sec
16.20
delta mag (ΔM)
5.8
Spectral class
Pri motion ra
+044
Sec motion ra
+046
Pri motion dec
-027
Sec motion dec
-022
Notes
V (Proper motion indicates physical)
rPM=0.104 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
226.8
Precise sep
39.176
Constellation
Sagittarius
SAO
212004
Tycho2
7952-01797-1
Gaia DR2
65360280064
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20199-3938 UC 4148 1998 2 226 38.7 10.40 16.20 V 201955.18-393819.1
20199-3938 UC 4148 2000 2 225 38.8 10.40 16.20 V 201955.18-393819.1
20199-3938 UC 4148 2010 3 227 38.9 10.40 16.20 V 201955.18-393819.1
20199-3938 UC 4148 2015 4 227 39.2 10.40 16.20 V 201955.18-393819.1

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