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
Cdsa2 id
BU 1204 AB
Constellation
Aquila
Ra deg
19.20091111111111
De deg
2.622611111111111
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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