19546-0814 STF2594 (57 Aql)

 
 
19h 54m 37.65s -08 13' 38.3" P.A. 171 sep 35.7 mag 5.65,6.35 Sp B7Vn+B8V
 
 
Coord 2000
19546-0814
Discov num
STF2594
Comp
Coord arcsec 2000
19 54 37.65 -08 13 38.3
Date first
1780
Date last
2017
Obs
98
Pa first
172
Pa last
171
P.A. Now (θ)
171°
Sep first
29.5
Sep last
35.7
Sep. Now (ρ)
35.7"
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
170.5
Precise sep
35.698
Name
57 Aql
Cdsa2 id
STF 2594
Constellation
Aquila
SAO
143898
Tycho2
5725-03091-1
HD
188293
HR
7593
Flamsteed
57 Aquilae
Flamsteed name
57 Aql
Ra deg
19.91045833333333
De deg
-8.227305555555557
last precise pa
170.5
last precise sep
35.698
 
 
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
19546-0814 STF2594 2017 98 171 35.7 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.