19455+5446 STI2454

 
 
19h 45m 31.78s +54 45' 28.4" P.A. 30 sep 9.1 mag 11.54,12.40
 
 
Coord 2000
19455+5446
Discov num
STI2454
Comp
Coord arcsec 2000
19 45 31.78 +54 45 28.4
Date first
1917
Date last
2015
Obs
4
Pa first
30
Pa last
30
P.A. Now (θ)
30°
Sep first
8.6
Sep last
9.1
Sep. Now (ρ)
9.1"
Mag pri
11.54
Mag sec
12.40
delta mag (ΔM)
0.86
Spectral class
Pri motion ra
-008
Sec motion ra
-008
Pri motion dec
-016
Sec motion dec
-013
Notes
rPM=0.168 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.9
Precise sep
9.129
Constellation
Cygnus
Tycho2
3938-00038-1
Gaia DR2
24809645824
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19455+5446 STI2454 2000 2 30 9.1 11.54 12.40 D 194531.78+544528.4
19455+5446 STI2454 2003 3 30 9.1 11.54 12.40 D 194531.78+544528.4
19455+5446 STI2454 2015 4 30 9.1 11.54 12.40 194531.78+544528.4

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