19401+2331 POU4004

 
 
19h 40m 07.90s +23 30' 56.6" P.A. 299 sep 10.7 mag 11.21,14.77 Sp O7.5:V:
 
 
Coord 2000
19401+2331
Discov num
POU4004
Comp
Coord arcsec 2000
19 40 07.90 +23 30 56.6
Date first
1905
Date last
2008
Obs
4
Pa first
306
Pa last
299
P.A. Now (θ)
299°
Sep first
10.4
Sep last
10.7
Sep. Now (ρ)
10.7"
Mag pri
11.21
Mag sec
14.77
delta mag (ΔM)
3.56
Spectral class
O7.5:V: (blue)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
298.8
Precise sep
10.68
Constellation
Vulpecula
SAO
87534
Tycho2
2138-01596-1
HD
185820
last precise pa
298.8
last precise sep
10.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19401+2331 POU4004 1997 2 305 10.1 11.21 14.77 D 194007.91+233056.8
19401+2331 POU4004 2008 3 299 10.7 11.21 14.77 D 194007.90+233056.6

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