18442-1539 BRT 633

 
 
18h 44m 15.69s -15 39' 25.8" P.A. 42 sep 4.8 mag 10.90,11.90
 
 
Coord 2000
18442-1539
Discov num
BRT 633
Comp
Coord arcsec 2000
18 44 15.69 -15 39 25.8
Date first
1905
Date last
2010
Obs
5
Pa first
52
Pa last
42
P.A. Now (θ)
42°
Sep first
3.7
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
10.90
Mag sec
11.90
delta mag (ΔM)
1
Spectral class
Pri motion ra
-017
Sec motion ra
+017
Pri motion dec
-012
Sec motion dec
+004
Notes
rPM=1.806
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
42
Precise sep
4.8
Cdsa2 id
BRT 633
Constellation
Scutum
Ra deg
18.737691666666667
De deg
-15.657166666666667
last precise pa
42
last precise sep
4.8
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18442-1539 BRT 633 2001 3 42 4.7 10.90 11.90 D 184415.69-153925.8
18442-1539 BRT 633 2002 4 23 10.0 10.90 11.90 D 184415.69-153925.8
18442-1539 BRT 633 2010 5 42 4.8 10.90 11.90 184415.69-153925.8

If you need more information about this double, apply for a data request form to the WDS.