19439+3902 ALI 897

 
 
19h 43m 51.98s +39 02' 34.8" P.A. 239 sep 12.2 mag 11.02,13.40 Sp G
 
 
Coord 2000
19439+3902
Discov num
ALI 897
Comp
Coord arcsec 2000
19 43 51.98 +39 02 34.8
Date first
1928
Date last
2010
Obs
4
Pa first
243
Pa last
239
P.A. Now (θ)
239°
Sep first
11.9
Sep last
12.2
Sep. Now (ρ)
12.2"
Mag pri
11.02
Mag sec
13.40
delta mag (ΔM)
2.38
Spectral class
G (yellow)
Pri motion ra
+009
Sec motion ra
-005
Pri motion dec
-002
Sec motion dec
-008
Notes
rPM=1.615
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
239.2
Precise sep
12.22
Constellation
Cygnus
Tycho2
3136-00877-1
HD
225560
last precise pa
239.2
last precise sep
12.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19439+3902 ALI 897 1998 2 239 12.2 11.02 13.40 D 194351.98+390234.8
19439+3902 ALI 897 2002 3 239 12.2 11.02 13.40 D 194351.98+390234.8
19439+3902 ALI 897 2010 4 239 12.1 11.02 13.40 G 194351.98+390234.8

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