19173+3715 HDS2728

 
 
19h 17m 15.53s +37 14' 30.1" P.A. 121 sep 0.8 mag 8.72,11.98 Sp A0 dist. 208.77 pc (681.01 l.y.)
 
 
Coord 2000
19173+3715
Discov num
HDS2728
Comp
Coord arcsec 2000
19 17 15.53 +37 14 30.1
Date first
1991
Date last
2014
Obs
5
Pa first
119
Pa last
121
P.A. Now (θ)
121°
Sep first
0.8
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
8.72
Mag sec
11.98
delta mag (ΔM)
3.26
Spectral class
A0 (white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
120.9
Precise sep
0.781
Constellation
Lyra
HIP
94794
HD
181023
Distance
208.77
Distance ly
681.01
last precise pa
120.9
last precise sep
0.781
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19173+3715 HDS2728 1991 1 119 0.8 8.72 11.98 A0 191715.53+371430.1
19173+3715 HDS2728 2010 2 121 0.8 8.72 11.98 A0 D 191715.53+371430.1
19173+3715 HDS2728 2014 5 121 0.8 8.72 11.98 A0 191715.53+371430.1

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