17525+2712 HJ 1307

 
 
17h 52m 32.14s +27 11' 37.5" P.A. 321 sep 37.1 mag 7.31,11.00 Sp Am dist. 87.57 pc (285.65 l.y.)
 
 
Coord 2000
17525+2712
Discov num
HJ 1307
Comp
Coord arcsec 2000
17 52 32.14 +27 11 37.5
Date first
1828
Date last
2010
Obs
9
Pa first
327
Pa last
321
P.A. Now (θ)
321°
Sep first
25.0
Sep last
37.1
Sep. Now (ρ)
37.1"
Mag pri
7.31
Mag sec
11.00
delta mag (ΔM)
3.69
Spectral class
Am (white)
Pri motion ra
+023
Sec motion ra
-001
Pri motion dec
-025
Sec motion dec
-005
Notes
rPM=0.92
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
321
Precise sep
37.13
Constellation
Hercules
SAO
85497
HIP
87486
Tycho2
2098-01985-1
HD
162950
BD
BD+27 2905
Distance
87.57
Distance ly
285.65
last precise pa
321
last precise sep
37.13
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17525+2712 HJ 1307 2000 6 321 36.7 7.31 11.00 Am D 175232.14+271137.5
17525+2712 HJ 1307 2002 8 321 36.8 7.31 11.00 Am D 175232.14+271137.5
17525+2712 HJ 1307 2010 9 321 37.1 7.31 11.00 Am 175232.14+271137.5

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