18164-7537 UC 3541

 
 
18h 16m 25.76s -75 36' 30.9" P.A. 265 sep 17.9 mag 11.50,16.34
 
 
Coord 2000
18164-7537
Discov num
UC 3541
Comp
Coord arcsec 2000
18 16 25.76 -75 36 30.9
Date first
1998
Date last
2015
Obs
4
Pa first
265
Pa last
265
P.A. Now (θ)
265°
Sep first
19.4
Sep last
17.9
Sep. Now (ρ)
17.9"
Mag pri
11.50
Mag sec
16.34
delta mag (ΔM)
4.84
Spectral class
Pri motion ra
-033
Sec motion ra
-017
Pri motion dec
-050
Sec motion dec
-058
Notes
V (Proper motion indicates physical)
rPM=0.296 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
264.7
Precise sep
17.853
Constellation
Apus
Tycho2
9445-00284-1
Gaia DR2
97328738176
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18164-7537 UC 3541 2000 2 263 18.3 11.50 16.50 V 181625.76-753630.9
18164-7537 UC 3541 2015 4 265 17.9 11.50 16.34 V 181625.76-753630.9

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