19546-0814 STF2594AB (57 Aql)

 
 
19h 54m 37.65s -08 13' 38.3" P.A. 171.00 sep 36.3 mag 5.65,6.35 Sp B7Vn+B8V dist. 147.93 pc (482.55 l.y.)
 
 
Coord 2000
19546-0814
Discov num
STF2594
Comp
AB
Coord arcsec 2000
19 54 37.65 -08 13 38.3
Date first
1780
Date last
2019
Obs
104
Pa first
172
Pa last
171
P.A. Now (θ)
171°
Sep first
29.5
Sep last
36.3
Sep. Now (ρ)
36.3"
Mag pri
5.65
Mag sec
6.35
delta mag (ΔM)
0.7
Spectral class
B7Vn+B8V (blue-white/blue-white)
Pri motion ra
+008
Sec motion ra
+009
Pri motion dec
-026
Sec motion dec
-029
Notes
N Z W (See Notes, Parallax indicates components are physical, )
Visually invisible, K-band or other infrared star rPM=0.104 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
171
Precise sep
36.3
Name
57 Aql
Constellation
Aquila
SAO
143898
HIP
97966
Tycho2
5725-03091-1
HD
188293
HR
7593
GC
27562
BD
BD-08 5154
Flamsteed
57 Aquilae
Flamsteed name
57 Aql
Distance
147.93
Distance ly
482.55
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19546-0814 STF2594 AB 2019 104 171 36.3 5.65 6.35 B7Vn+B8V NZW 195437.65-081338.3

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