18545+1837 HDS2680

 
 
18h 54m 29.75s +18 36' 55.0" P.A. 93 sep 4 mag 8.98,13.24 Sp K5 dist. 1562.5 pc (5096.88 l.y.)
 
 
Coord 2000
18545+1837
Discov num
HDS2680
Comp
Coord arcsec 2000
18 54 29.75 +18 36 55.0
Date first
1991
Date last
1991
Obs
2
Pa first
92
Pa last
93
P.A. Now (θ)
93°
Sep first
4.0
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
8.98
Mag sec
13.24
delta mag (ΔM)
4.26
Spectral class
K5 (yellow-orange)
Pri motion ra
+008
Sec motion ra
+010
Pri motion dec
+025
Sec motion dec
+026
Notes
rPM=0.08 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
92.5
Precise sep
3.99
Constellation
Hercules
HIP
92789
Tycho2
1588-00179-1
HD
230002
Distance
1562.5
Distance ly
5096.88
last precise pa
92.5
last precise sep
3.99
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18545+1837 HDS2680 1991 2 93 4.0 8.98 13.24 K5 185429.75+183655.0

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