18030-0253 BRT 474

 
 
18h 02m 59.35s -02 52' 52.9" P.A. 52 sep 4.6 mag 11.50,11.60
 
 
Coord 2000
18030-0253
Discov num
BRT 474
Comp
Coord arcsec 2000
18 02 59.35 -02 52 52.9
Date first
1897
Date last
2000
Obs
4
Pa first
59
Pa last
52
P.A. Now (θ)
52°
Sep first
4.7
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
11.50
Mag sec
11.60
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-003
Sec motion ra
+029
Pri motion dec
-010
Sec motion dec
+007
Notes
rPM=1.215
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
52
Precise sep
4.582
Constellation
Serpens
Tycho2
5100-00305-1
last precise pa
52
last precise sep
4.582
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18030-0253 BRT 474 1999 3 52 4.5 11.50 11.60 D 180259.35-025252.9
18030-0253 BRT 474 2000 4 52 4.6 11.50 11.60 D 180259.35-025252.9

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