19064+3144 HO   97AB

 
 
19h 06m 25.55s +31 44' 24.4" P.A. 16 sep 0.8 mag 9.91,9.85 Sp A2
 
 
Coord 2000
19064+3144
Discov num
HO   97
Comp
AB
Coord arcsec 2000
19 06 25.55 +31 44 24.4
Date first
1881
Date last
2013
Obs
21
Pa first
19
Pa last
16
P.A. Now (θ)
16°
Sep first
0.7
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
9.91
Mag sec
9.85
delta mag (ΔM)
0.06
Spectral class
A2 (white)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
-005
Sec motion dec
-005
Notes
Nature of this double is uncertain.
 
 
19064+3144 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67817 19064+3144 HO 97 AB 1881 2013 21 16 0.8 9.91 9.85 0.06 <===
Show 67817 19064+3144 HJ 1366 AB,C 1828 2012 6 58 14.5 9.10 13.10 4.00
Show 67817 19064+3144 HO 97 AB,D 1881 2012 4 302 35.9 9.10 12.60 3.50
Show 67817 19064+3144 FYM 93 AB,E 1998 2012 3 203 29.0 9.10 14.70 5.60
Show 67817 19064+3144 FYM 93 AB,F 1998 2012 3 80 36.7 9.10 14.90 5.80
Sextuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
16.2
Precise sep
0.76
Constellation
Lyra
SAO
67817
Tycho2
2640-00931-1
last precise pa
14.5
last precise sep
0.77
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19064+3144 HO 97 AB 1991 18 11 0.8 9.91 9.85 A2 190625.55+314424.4
19064+3144 HO 97 AB 2010 20 14 0.8 9.91 9.85 A2 190625.55+314424.4
19064+3144 HO 97 AB 2013 21 16 0.8 9.91 9.85 A2 190625.55+314424.4

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