17520+1542 HDS2520

 
 
17h 52m 00.90s +15 42' 15.2" P.A. 184 sep 4.2 mag 10.24,13.83 dist. 80.52 pc (262.66 l.y.)
 
 
Coord 2000
17520+1542
Discov num
HDS2520
Comp
Coord arcsec 2000
17 52 00.90 +15 42 15.2
Date first
1991
Date last
2000
Obs
3
Pa first
185
Pa last
184
P.A. Now (θ)
184°
Sep first
4.5
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
10.24
Mag sec
13.83
delta mag (ΔM)
3.59
Spectral class
Pri motion ra
-126
Sec motion ra
-129
Pri motion dec
-157
Sec motion dec
-154
Notes
V (Proper motion indicates physical)
rPM=0.021 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
184.1
Precise sep
4.18
Constellation
Hercules
HIP
87437
Tycho2
1553-01027-1
Distance
80.52
Distance ly
262.66
last precise pa
184.1
last precise sep
4.18
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17520+1542 HDS2520 2000 3 184 4.2 10.24 13.83 DV 175200.90+154215.2

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