19490+3341 SEI 687

 
 
19h 49m 02.08s +33 40' 53.5" P.A. 191 sep 19.1 mag 11.04,11.16
 
 
Coord 2000
19490+3341
Discov num
SEI 687
Comp
Coord arcsec 2000
19 49 02.08 +33 40 53.5
Date first
1893
Date last
2013
Obs
11
Pa first
200
Pa last
191
P.A. Now (θ)
191°
Sep first
14.5
Sep last
19.1
Sep. Now (ρ)
19.1"
Mag pri
11.04
Mag sec
11.16
delta mag (ΔM)
0.12
Spectral class
Pri motion ra
+000
Sec motion ra
+010
Pri motion dec
+040
Sec motion dec
-001
Notes
N (See Notes)
rPM=1.055
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
191.4
Precise sep
19.05
Cdsa2 id
SEI 687
Constellation
Cygnus
Tycho2
2673-00394-1
Ra deg
19.817244444444444
De deg
33.681527777777774
last precise pa
191.4
last precise sep
19.05
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19490+3341 SEI 687 1998 8 192 18.5 11.04 11.16 N D 194902.08+334053.5
19490+3341 SEI 687 2002 9 192 18.7 11.04 11.16 N D 194902.08+334053.5
19490+3341 SEI 687 2013 10 191 19.1 11.04 11.16 N 194902.08+334053.5

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