19395+3716 ALI 630

 
 
19h 39m 30.93s +37 15' 30.1" P.A. 300 sep 14.9 mag 11.52,12.09
 
 
Coord 2000
19395+3716
Discov num
ALI 630
Comp
Coord arcsec 2000
19 39 30.93 +37 15 30.1
Date first
1929
Date last
2010
Obs
7
Pa first
305
Pa last
300
P.A. Now (θ)
300°
Sep first
15.7
Sep last
14.9
Sep. Now (ρ)
14.9"
Mag pri
11.52
Mag sec
12.09
delta mag (ΔM)
0.57
Spectral class
Pri motion ra
+004
Sec motion ra
+002
Pri motion dec
-004
Sec motion dec
-017
Notes
rPM=0.768
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
300.3
Precise sep
14.93
Constellation
Cygnus
Tycho2
2668-00821-1
last precise pa
300.3
last precise sep
14.93
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19395+3716 ALI 630 1998 5 301 15.0 11.52 12.09 D 193930.93+371530.1
19395+3716 ALI 630 2002 6 301 14.9 11.52 12.09 D 193930.93+371530.1
19395+3716 ALI 630 2010 7 300 14.5 11.52 12.09 193930.93+371530.1

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