19453+3048 AG  237

 
 
19h 45m 20.11s +30 48' 02.2" P.A. 141 sep 2.4 mag 8.82,9.61 Sp A5
 
 
Coord 2000
19453+3048
Discov num
AG  237
Comp
Coord arcsec 2000
19 45 20.11 +30 48 02.2
Date first
1901
Date last
2011
Obs
25
Pa first
145
Pa last
141
P.A. Now (θ)
141°
Sep first
1.9
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
8.82
Mag sec
9.61
delta mag (ΔM)
0.79
Spectral class
A5 (white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
140.7
Precise sep
2.425
Constellation
Cygnus
Tycho2
2656-01152-1
HD
186789
last precise pa
140.7
last precise sep
2.425
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19453+3048 AG 237 1999 21 140 2.4 8.82 9.61 A5 194520.11+304802.2
19453+3048 AG 237 2006 23 140 2.4 8.82 9.61 A5 194520.11+304802.2
19453+3048 AG 237 2009 24 141 2.4 8.82 9.61 A5 194520.11+304802.2
19453+3048 AG 237 2011 26 141 2.4 8.82 9.61 A5 194520.11+304802.2

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