19450+1551 HDS2803

 
 
19h 45m 02.58s +15 50' 30.1" P.A. 139 sep 2 mag 8.93,12.72 Sp F2 dist. 2777.78 pc (9061.12 l.y.)
 
 
Coord 2000
19450+1551
Discov num
HDS2803
Comp
Coord arcsec 2000
19 45 02.58 +15 50 30.1
Date first
1991
Date last
1991
Obs
2
Pa first
139
Pa last
139
P.A. Now (θ)
139°
Sep first
2.1
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
8.93
Mag sec
12.72
delta mag (ΔM)
3.79
Spectral class
F2 (yellow-white)
Pri motion ra
+002
Sec motion ra
+003
Pri motion dec
+006
Sec motion dec
+005
Notes
X (Dubious double)
rPM=0.224 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.7
Precise sep
2.04
Cdsa2 id
HDS 2803
Constellation
Aquila
HIP
97172
Tycho2
1615-02978-1
HD
353625
Ra deg
19.750716666666666
De deg
15.841694444444444
Distance
2777.78
Distance ly
9061.12
last precise pa
138.7
last precise sep
2.04
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19450+1551 HDS2803 1991 2 139 2.0 8.93 12.72 F2 194502.58+155030.1

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