19575+5442 STI2487

 
 
19h 57m 26.52s +54 41' 49.4" P.A. 227 sep 6.4 mag 11.61,12.50
 
 
Coord 2000
19575+5442
Discov num
STI2487
Comp
Coord arcsec 2000
19 57 26.52 +54 41 49.4
Date first
1901
Date last
2010
Obs
6
Pa first
218
Pa last
227
P.A. Now (θ)
227°
Sep first
6.2
Sep last
6.4
Sep. Now (ρ)
6.4"
Mag pri
11.61
Mag sec
12.50
delta mag (ΔM)
0.89
Spectral class
Pri motion ra
-008
Sec motion ra
-020
Pri motion dec
-014
Sec motion dec
-020
Notes
rPM=0.474
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
227
Precise sep
6.44
Constellation
Cygnus
Tycho2
3939-00108-1
last precise pa
227
last precise sep
6.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19575+5442 STI2487 2000 4 230 6.8 11.61 12.50 D 195726.52+544149.4
19575+5442 STI2487 2003 5 229 6.8 11.61 12.50 D 195726.52+544149.4
19575+5442 STI2487 2010 6 227 6.4 11.61 12.50 195726.52+544149.4

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