19525+0100 EVS   2 (Eta Aql)

 
 
19h 52m 28.36s +01 00' 20.4" P.A. 93 sep 0.7 mag 1.79,9.18 Sp F6Iab+B9V dist. 423.73 pc (1382.21 l.y.)
 
 
Coord 2000
19525+0100
Discov num
EVS   2
Comp
Coord arcsec 2000
19 52 28.36 +01 00 20.4
Date first
2012
Date last
2012
Obs
1
Pa first
93
Pa last
93
P.A. Now (θ)
93°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
1.79
Mag sec
9.18
delta mag (ΔM)
7.39
Spectral class
F6Iab+B9V (yellow-white/blue-white)
Pri motion ra
+007
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
N K (See Notes, K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
92.8
Precise sep
0.655
Name
Eta Aql
Constellation
Aquila
SAO
125159
HIP
97804
Tycho2
0480-03027-1
Gaia DR2
4240272953376907648
HD
187929
HR
7570
GC
27517
BD
BD+00 4337
Bayer
Eta Aquilae
Bayer name
Eta Aql
Flamsteed
55 Aquilae
Flamsteed name
55 Aql
Distance
423.73
Distance ly
1382.21
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19525+0100 EVS 2 2010 0 -1 0.7 3.88   B9.8V N 195228.36+010020.4
19525+0100 EVS 2 2012 1 93 0.7 3.88   F6Iab+B9V N 195228.36+010020.4

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