19555+3746 ES 2500

 
 
19h 55m 31.05s +37 45' 29.0" P.A. 323 sep 5.5 mag 11.26,12.30
 
 
Coord 2000
19555+3746
Discov num
ES 2500
Comp
Coord arcsec 2000
19 55 31.05 +37 45 29.0
Date first
1929
Date last
2002
Obs
4
Pa first
316
Pa last
323
P.A. Now (θ)
323°
Sep first
5.1
Sep last
5.5
Sep. Now (ρ)
5.5"
Mag pri
11.26
Mag sec
12.30
delta mag (ΔM)
1.04
Spectral class
Pri motion ra
+001
Sec motion ra
-007
Pri motion dec
-015
Sec motion dec
+015
Notes
rPM=1.876
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
323.2
Precise sep
5.466
Constellation
Cygnus
Tycho2
3137-00639-1
last precise pa
323.2
last precise sep
5.466
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19555+3746 ES 2500 1998 3 323 5.3 11.26 12.30 D 195531.05+374529.0
19555+3746 ES 2500 2002 4 323 5.5 11.26 12.30 D 195531.05+374529.0

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