17557+1830 HDS2528

 
 
17H 55M 44.90S +18 30' 01.4" P.A. 253 SEP 18.4 MAG 9.36,12.30 SP K5 DIST. 25.04 PC (81.68 L.Y.)
 
 
Coord 2000
17557+1830
Discov num
HDS2528
Comp
Coord arcsec 2000
17 55 44.90 +18 30 01.4
Date first
1900
Date last
2014
Obs
7
Pa first
254
Pa last
253
P.A. Now (θ)
253°
Sep first
19.2
Sep last
18.4
Sep. Now (ρ)
18.4"
Mag pri
9.36
Mag sec
12.30
delta mag (ΔM)
2.94
Spectral class
K5 (yellow-orange)
Pri motion ra
-047
Sec motion ra
-047
Pri motion dec
-047
Sec motion dec
-046
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
103221
HIP
87768
Tycho2
1557-01987-1
GL
Gl 698
BD
BD+18 3497
Distance
25.04
Distance ly
81.68
last precise pa
252.7
last precise sep
18.42