18164-1214 BRT2747

 
 
18h 16m 27.26s -12 13' 26.2" P.A. 5 sep 3.9 mag 12.30,12.30
 
 
Coord 2000
18164-1214
Discov num
BRT2747
Comp
Coord arcsec 2000
18 16 27.26 -12 13 26.2
Date first
1907
Date last
2017
Obs
4
Pa first
8
Pa last
5
P.A. Now (θ)
Sep first
3.7
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
12.30
Mag sec
12.30
delta mag (ΔM)
0
Spectral class
Pri motion ra
-017
Sec motion ra
-005
Pri motion dec
-086
Sec motion dec
+003
Notes
rPM=1.024
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
5
Precise sep
3.918
Cdsa2 id
BRT 2747
Constellation
Serpens
Ra deg
18.27423888888889
De deg
-12.223944444444445
last precise pa
5
last precise sep
3.918
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18164-1214 BRT2747 1999 2 5 4.0 10.80 10.80 D 181627.26-121326.2
18164-1214 BRT2747 2000 3 5 4.0 10.80 10.80 D 181627.26-121326.2
18164-1214 BRT2747 2017 4 5 3.9 12.30 12.30 181627.26-121326.2

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