19457+3141 NSN 804

 
 
19h 45m 43.42s +31 40' 45.8" P.A. 123.00 sep 19.8 mag 15.30,17.90
 
 
Coord 2000
19457+3141
Discov num
NSN 804
Comp
Coord arcsec 2000
19 45 43.42 +31 40 45.8
Date first
1998
Date last
2015
Obs
7
Pa first
123
Pa last
123
P.A. Now (θ)
123°
Sep first
19.9
Sep last
19.8
Sep. Now (ρ)
19.8"
Mag pri
15.30
Mag sec
17.90
delta mag (ΔM)
2.6
Spectral class
Pri motion ra
-007
Sec motion ra
-008
Pri motion dec
+158
Sec motion dec
+157
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.009 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
122.8
Precise sep
19.846
Constellation
Cygnus
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19457+3141 NSN 804 2015 7 123 19.8 15.30 17.90 V 194543.42+314045.8

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