18173-1425 BRT 588

 
 
18h 16m 56.41s -14 23' 32.8" P.A. 117 sep 3.9 mag 12.71,13.04
 
 
Coord 2000
18173-1425
Discov num
BRT 588
Comp
Coord arcsec 2000
18 16 56.41 -14 23 32.8
Date first
1905
Date last
2015
Obs
4
Pa first
134
Pa last
117
P.A. Now (θ)
117°
Sep first
4.0
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
12.71
Mag sec
13.04
delta mag (ΔM)
0.33
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
B (Blue magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.4
Precise sep
3.927
Constellation
Serpens
Gaia DR2
4146549551426275072
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18173-1425 BRT 588 1905 1 134 4.0 12.71 13.04 B 181715.87-142420.2
18173-1425 BRT 588 2000 3 118 3.9 12.71 13.04 B 181656.41-142332.8
18173-1425 BRT 588 2015 4 117 3.9 12.71 13.04 B 181656.41-142332.8

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