19121+0237 BU 1204AB

 
 
19h 12m 03.28s +02 37' 21.4" P.A. 185 sep 0.2 mag 8.00,7.52 Sp B7III
 
 
Coord 2000
19121+0237
Discov num
BU 1204
Comp
AB
Coord arcsec 2000
19 12 03.28 +02 37 21.4
Date first
1890
Date last
2000
Obs
52
Pa first
4
Pa last
185
P.A. Now (θ)
185°
Sep first
0.4
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.00
Mag sec
7.52
delta mag (ΔM)
0.48
Spectral class
B7III (blue-white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
19121+0237 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19121+0237 BU 1204 AB 1890 2000 52 185 0.2 8.00 7.52 0.48 <===
Show 19121+0237 BU 1204 AB,C 1890 2006 7 195 12.5 7.00 11.24 4.24
Show 19121+0237 BU 1204 AB,D 1890 2006 7 158 20.4 7.00 13.90 6.90
Show 19121+0237 BU 1204 AB,E 1890 2006 7 317 26.5 7.00 13.10 6.10
Show 19121+0237 BU 1204 AB,F 1890 2006 7 292 26.8 7.00 13.10 6.10
Show 19121+0237 STF2476 AB,G 1828 2006 20 211 29.9 7.00 11.12 4.12
Septuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
184.8
Precise sep
0.219
Constellation
Aquila
last precise pa
184.8
last precise sep
0.219
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19121+0237 BU 1204 AB 2000 52 185 0.2 8.00 7.52 B7III N 191203.28+023721.4
19121+0237 BU 1204 AB 2002 53 201 0.3 8.00 7.52 B7III N 191203.28+023721.4

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