18479+0743 STF2389

 
 
18h 47m 56.23s +07 42' 50.1" P.A. 310 sep 31.9 mag 8.86,11.88 Sp A3 dist. 418.41 pc (1364.85 l.y.)
 
 
Coord 2000
18479+0743
Discov num
STF2389
Comp
Coord arcsec 2000
18 47 56.23 +07 42 50.1
Date first
1827
Date last
2012
Obs
10
Pa first
300
Pa last
310
P.A. Now (θ)
310°
Sep first
18.0
Sep last
31.9
Sep. Now (ρ)
31.9"
Mag pri
8.86
Mag sec
11.88
delta mag (ΔM)
3.02
Spectral class
A3 (white)
Pri motion ra
+008
Sec motion ra
+021
Pri motion dec
-021
Sec motion dec
+016
Notes
rPM=1.485
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
309.5
Precise sep
31.92
Constellation
Aquila
HIP
92241
Tycho2
1026-01617-1
HD
173953
BD
BD+07 3841
Distance
418.41
Distance ly
1364.85
last precise pa
309.5
last precise sep
31.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18479+0743 STF2389 1999 5 308 31.7 8.40 10.70 A3 D 184756.23+074250.1
18479+0743 STF2389 2001 8 309 31.6 8.40 10.70 A3 D 184756.23+074250.1
18479+0743 STF2389 2012 9 310 31.9 8.40 10.70 A3 D 184756.23+074250.1

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