19400+2317 AHD   3

 
 
19h 39m 57.67s +23 17' 25.2" P.A. 295 sep 21.4 mag 10.05,10.36 Sp A7+G0
 
 
Coord 2000
19400+2317
Discov num
AHD   3
Comp
Coord arcsec 2000
19 39 57.67 +23 17 25.2
Date first
1892
Date last
2015
Obs
23
Pa first
296
Pa last
295
P.A. Now (θ)
295°
Sep first
21.3
Sep last
21.4
Sep. Now (ρ)
21.4"
Mag pri
10.05
Mag sec
10.36
delta mag (ΔM)
0.31
Spectral class
A7+G0 (white/yellow)
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
-007
Sec motion dec
-007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
295.4
Precise sep
21.375
Constellation
Vulpecula
SAO
87530
Tycho2
2138-02207-1
Gaia DR2
83407004672
HD
344698
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19400+2317 AHD 3 2009 2 295 21.6 10.00 10.20 193957.67+231725.2
19400+2317 AHD 3 2010 9 295 21.3 10.05 10.36 A7+G0 193957.67+231725.2
19400+2317 AHD 3 2014 10 295 21.2 10.05 10.36 A7+G0 193957.67+231725.2
19400+2317 AHD 3 2015 19 295 21.4 10.05 10.36 A7+G0 193957.67+231725.2

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