19546-0814 STF2594 (57 Aql)

 
 
19h 54m 37.65s -08 13' 38.3" P.A. 170 sep 35.9 mag 5.65,6.35 Sp B7Vn+B8V dist. 147.93 pc (482.55 l.y.)
 
 
Coord 2000
19546-0814
Discov num
STF2594
Comp
Coord arcsec 2000
19 54 37.65 -08 13 38.3
Date first
1780
Date last
2016
Obs
97
Pa first
172
Pa last
170
P.A. Now (θ)
170°
Sep first
29.5
Sep last
35.9
Sep. Now (ρ)
35.9"
Mag pri
5.65
Mag sec
6.35
delta mag (ΔM)
0.7
Spectral class
B7Vn+B8V (blue-white/blue-white)
Pri motion ra
+007
Sec motion ra
+002
Pri motion dec
-026
Sec motion dec
-031
Notes
N Z (See Notes, Parallax indicates components are physical)
rPM=0.228 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
170
Precise sep
35.881
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
last precise pa
170
last precise sep
35.881
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19546-0814 STF2594 2007 80 170 35.4 5.65 6.35 B7Vn B8V NZD 195437.65-081338.3
19546-0814 STF2594 2008 83 170 35.7 5.65 6.35 B7Vn B8V NZD 195437.65-081338.3
19546-0814 STF2594 2009 84 169 37.4 5.65 6.35 B7Vn B8V NZD 195437.65-081338.3
19546-0814 STF2594 2010 85 170 35.7 5.65 6.35 B7Vn B8V NZD 195437.65-081338.3
19546-0814 STF2594 2011 87 170 35.5 5.65 6.35 B7Vn B8V NZD 195437.65-081338.3
19546-0814 STF2594 2012 89 170 35.6 5.65 6.35 B7Vn B8V NZD 195437.65-081338.3
19546-0814 STF2594 2013 94 171 35.6 5.65 6.35 B7Vn B8V NZD 195437.65-081338.3
19546-0814 STF2594 2014 95 170 35.7 5.65 6.35 B7Vn B8V NZD 195437.65-081338.3
19546-0814 STF2594 2016 97 170 35.9 5.65 6.35 B7Vn+B8V NZ 195437.65-081338.3

If you need more information about this double, apply for a data request form to the WDS.