19474+4515 SMA  93

 
 
19h 47m 30.00s +45 16' 33.5" P.A. 197 sep 10.3 mag 11.20,12.90
 
 
Coord 2000
19474+4515
Discov num
SMA  93
Comp
Coord arcsec 2000
19 47 30.00 +45 16 33.5
Date first
1921
Date last
2010
Obs
6
Pa first
193
Pa last
197
P.A. Now (θ)
197°
Sep first
7.6
Sep last
10.3
Sep. Now (ρ)
10.3"
Mag pri
11.20
Mag sec
12.90
delta mag (ΔM)
1.7
Spectral class
Pri motion ra
+023
Sec motion ra
-008
Pri motion dec
+037
Sec motion dec
-004
Notes
rPM=1.18
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
197.1
Precise sep
10.31
Constellation
Cygnus
last precise pa
197.1
last precise sep
10.31
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19474+4515 SMA 93 2006 2 198 10.6 10.00 12.00 194715.00+451500.0
19474+4515 SMA 93 2007 4 197 10.2 11.50 12.00 D 194729.72+451623.9
19474+4515 SMA 93 2010 6 197 10.2 11.20 12.90 194730.00+451633.5

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