19170-2157 UC 3875

 
 
19h 17m 01.96s -21 56' 47.6" P.A. 137.00 sep 50.3 mag 14.80,16.10
 
 
Coord 2000
19170-2157
Discov num
UC 3875
Comp
Coord arcsec 2000
19 17 01.96 -21 56 47.6
Date first
1998
Date last
2015
Obs
3
Pa first
135
Pa last
137
P.A. Now (θ)
137°
Sep first
46.1
Sep last
50.3
Sep. Now (ρ)
50.3"
Mag pri
14.80
Mag sec
16.10
delta mag (ΔM)
1.3
Spectral class
Pri motion ra
-062
Sec motion ra
-039
Pri motion dec
+093
Sec motion dec
+100
Notes
V (Proper motion indicates physical)
rPM=0.215 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
136.8
Precise sep
50.321
Constellation
Sagittarius
SAO
187914
Tycho2
6308-00393-1
Gaia DR2
4081027969906070656
HD
180333
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19170-2157 UC 3875 1999 2 137 50.3 14.80 16.10 V 191701.96-215647.6
19170-2157 UC 3875 2000 2 135 46.1 14.80 16.10 V 191701.96-215647.6
19170-2157 UC 3875 2015 3 137 50.3 14.80 16.10 V 191701.96-215647.6

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