19357+2819 SLE 643

 
 
19h 35m 42.60s +28 19' 44.7" P.A. 273 sep 10.3 mag 11.10,12.90
 
 
Coord 2000
19357+2819
Discov num
SLE 643
Comp
Coord arcsec 2000
19 35 42.60 +28 19 44.7
Date first
1984
Date last
2015
Obs
10
Pa first
282
Pa last
273
P.A. Now (θ)
273°
Sep first
9.5
Sep last
10.3
Sep. Now (ρ)
10.3"
Mag pri
11.10
Mag sec
12.90
delta mag (ΔM)
1.8
Spectral class
Pri motion ra
Sec motion ra
-032
Pri motion dec
Sec motion dec
-011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
272.8
Precise sep
10.32
Constellation
Cygnus
SAO
87421
Gaia DR2
78121286784
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19357+2819 SLE 643 1997 2 275 10.1 11.10 12.90 D 193542.60+281944.7
19357+2819 SLE 643 2002 3 275 10.2 11.10 12.90 D 193542.60+281944.7
19357+2819 SLE 643 2011 4 275 10.1 11.10 12.90 193542.60+281944.7
19357+2819 SLE 643 2015 6 273 10.3 11.10 12.90 193542.60+281944.7

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