19402+2331 A   166

 
 
19h 40m 10.51s +23 30' 43.1" P.A. 241 sep 0.9 mag 9.24,9.54 Sp F2
 
 
Coord 2000
19402+2331
Discov num
A   166
Comp
Coord arcsec 2000
19 40 10.51 +23 30 43.1
Date first
1900
Date last
2016
Obs
33
Pa first
236
Pa last
241
P.A. Now (θ)
241°
Sep first
0.7
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
9.24
Mag sec
9.54
delta mag (ΔM)
0.3
Spectral class
F2 (yellow-white)
Pri motion ra
-005
Sec motion ra
-005
Pri motion dec
-014
Sec motion dec
-014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
241
Precise sep
0.932
Cdsa2 id
A 166
Constellation
Vulpecula
Tycho2
2138-01596-1
HD
185820
Ra deg
19.669586111111112
De deg
23.511972222222223
last precise pa
241
last precise sep
0.932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19402+2331 A 166 2005 26 243 0.8 9.24 9.54 F2 194010.51+233043.1
19402+2331 A 166 2006 28 242 0.8 9.24 9.54 F2 194010.51+233043.1
19402+2331 A 166 2007 29 242 0.8 9.24 9.54 F2 194010.51+233043.1
19402+2331 A 166 2010 31 243 0.9 9.24 9.54 F2 194010.51+233043.1
19402+2331 A 166 2013 32 249 0.9 9.24 9.54 F2 194010.51+233043.1
19402+2331 A 166 2016 33 241 0.9 9.24 9.54 F2 194010.51+233043.1

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