19539+3746 ALI 644

 
 
19h 53m 54.72s +37° 45' 36.1" P.A. 210.00 sep 14.5 mag 11.97,13.26
 
 
Coord 2000
19539+3746
Discov num
ALI 644
Comp
Coord arcsec 2000
19 53 54.72 +37 45 36.1
Date first
1929
Date last
2015
Obs
10
Pa first
210
Pa last
210
P.A. Now (θ)
210°
Sep first
13.8
Sep last
14.5
Sep. Now (ρ)
14.5"
Mag pri
11.97
Mag sec
13.26
delta mag (ΔM)
1.29
Spectral class
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
+000
Sec motion dec
-007
Notes
rPM=0.868
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
209.6
Precise sep
14.47
Constellation
Cygnus
Tycho2
3137-00062-1
Gaia DR2
2072119925587650432
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19539+3746 ALI 644 1998 3 210 14.4 11.97 13.26 D 195354.72+374536.1
19539+3746 ALI 644 2002 4 210 14.4 11.97 13.26 D 195354.72+374536.1
19539+3746 ALI 644 2010 5 210 14.3 11.97 13.26 195354.72+374536.1
19539+3746 ALI 644 2015 6 210 14.5 11.97 13.26 195354.72+374536.1

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