18438+3433 SEI 573

 
 
18h 43m 47.92s +34 32' 32.5" P.A. 297 sep 21.2 mag 10.65,11.79
 
 
Coord 2000
18438+3433
Discov num
SEI 573
Comp
Coord arcsec 2000
18 43 47.92 +34 32 32.5
Date first
1894
Date last
2014
Obs
12
Pa first
298
Pa last
297
P.A. Now (θ)
297°
Sep first
21.3
Sep last
21.2
Sep. Now (ρ)
21.2"
Mag pri
10.65
Mag sec
11.79
delta mag (ΔM)
1.14
Spectral class
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-011
Sec motion dec
-010
Notes
rPM=0.089 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
296.8
Precise sep
21.19
Constellation
Lyra
Tycho2
2645-01642-1
last precise pa
296.8
last precise sep
21.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18438+3433 SEI 573 2002 8 297 21.2 10.65 11.79 D 184347.92+343232.5
18438+3433 SEI 573 2013 10 298 21.2 10.65 11.79 184347.92+343232.5
18438+3433 SEI 573 2014 11 297 21.2 10.65 11.79 184347.92+343232.5

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