19513+3758 ALI 639

 
 
19h 51m 20.58s +37 58' 25.8" P.A. 178 sep 12.7 mag 11.89,12.60
 
 
Coord 2000
19513+3758
Discov num
ALI 639
Comp
Coord arcsec 2000
19 51 20.58 +37 58 25.8
Date first
1929
Date last
2015
Obs
9
Pa first
179
Pa last
178
P.A. Now (θ)
178°
Sep first
12.6
Sep last
12.7
Sep. Now (ρ)
12.7"
Mag pri
11.89
Mag sec
12.60
delta mag (ΔM)
0.71
Spectral class
Pri motion ra
-005
Sec motion ra
+002
Pri motion dec
-001
Sec motion dec
-009
Notes
rPM=1.153
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.9
Precise sep
12.728
Constellation
Cygnus
Tycho2
3137-00283-1
Gaia DR2
31163796608
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19513+3758 ALI 639 1998 2 178 12.7 11.89 12.60 D 195120.58+375825.8
19513+3758 ALI 639 2002 3 178 12.7 11.89 12.60 D 195120.58+375825.8
19513+3758 ALI 639 2010 4 177 11.6 11.89 12.60 195120.58+375825.8
19513+3758 ALI 639 2015 5 178 12.7 11.89 12.60 195120.58+375825.8

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