16578+4650 A  1873

 
 
16h 57m 50.40s +46 49' 47.6" P.A. 302 sep 2.5 mag 8.79,12.84 Sp G5 dist. 250.63 pc (817.56 l.y.)
 
 
Coord 2000
16578+4650
Discov num
A  1873
Comp
Coord arcsec 2000
16 57 50.40 +46 49 47.6
Date first
1878
Date last
1991
Obs
7
Pa first
280
Pa last
302
P.A. Now (θ)
302°
Sep first
1.4
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
8.79
Mag sec
12.84
delta mag (ΔM)
4.05
Spectral class
G5 (yellow)
Pri motion ra
-021
Sec motion ra
-022
Pri motion dec
-044
Sec motion dec
-045
Notes
rPM=0.028 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
301.6
Precise sep
2.49
Constellation
Hercules
SAO
46407
HIP
83015
Tycho2
3500-00890-1
HD
153526
BD
BD+47 2412
Distance
250.63
Distance ly
817.56
last precise pa
301.6
last precise sep
2.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16578+4650 A 1873 1991 7 302 2.5 8.79 12.84 G5 165750.40+464947.6

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