17563-1549 HJ 2814AB

 
 
17h 56m 19.04s -15 48' 44.5" P.A. 157 sep 20.6 mag 5.93,9.16 Sp A1V dist. 73.96 pc (241.26 l.y.)
 
 
Coord 2000
17563-1549
Discov num
HJ 2814
Comp
AB
Coord arcsec 2000
17 56 19.04 -15 48 44.5
Date first
1830
Date last
2006
Obs
21
Pa first
159
Pa last
157
P.A. Now (θ)
157°
Sep first
20.0
Sep last
20.6
Sep. Now (ρ)
20.6"
Mag pri
5.93
Mag sec
9.16
delta mag (ΔM)
3.23
Spectral class
A1V (white)
Pri motion ra
-010
Sec motion ra
-003
Pri motion dec
-065
Sec motion dec
-068
Notes
N (See Notes)
rPM=0.112 (< 0.3, Physical double)
This double is physical.
 
 
17563-1549 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 160915 17563-1549 HJ 2814 AB 1830 2006 21 157 20.6 5.93 9.16 3.23 <===
Show 160915 17563-1549 HJ 2814 AC 1830 2000 6 350 39.3 5.93 12.59 6.66
Show 160915 17563-1549 DRS 62 AD 2004 2004 1 60 1.9 5.70 12.40 6.70
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
157.1
Precise sep
20.55
Constellation
Serpens
SAO
160915
HIP
87813
Tycho2
6250-00386-1
HD
163336
HR
6681
BD
BD-15 4722
Distance
73.96
Distance ly
241.26
last precise pa
157.1
last precise sep
20.55
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17563-1549 HJ 2814 AB 2006 19 157 20.6 5.93 9.16 A1V N D 175619.04-154844.5

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