20388+5447 STI2550

 
 
20h 38m 45.58s +54 47' 54.8" P.A. 183.00 sep 12.4 mag 11.38,13.20
 
 
Coord 2000
20388+5447
Discov num
STI2550
Comp
Coord arcsec 2000
20 38 45.58 +54 47 54.8
Date first
1905
Date last
2015
Obs
9
Pa first
183
Pa last
183
P.A. Now (θ)
183°
Sep first
11.9
Sep last
12.4
Sep. Now (ρ)
12.4"
Mag pri
11.38
Mag sec
13.20
delta mag (ΔM)
1.82
Spectral class
Pri motion ra
-004
Sec motion ra
-005
Pri motion dec
-006
Sec motion dec
-009
Notes
rPM=0.307
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
182.8
Precise sep
12.38
Constellation
Cygnus
Tycho2
3954-01056-1
Gaia DR2
94900392448
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20388+5447 STI2550 1999 2 183 12.4 11.38 13.20 D 203845.58+544754.8
20388+5447 STI2550 2003 3 183 12.4 11.38 13.20 D 203845.58+544754.8
20388+5447 STI2550 2010 4 182 12.4 11.38 13.20 203845.58+544754.8
20388+5447 STI2550 2015 5 183 12.4 11.38 13.20 203845.58+544754.8

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