19215+3634 ES 2177AB

 
 
19H 21M 32.66S +36 34' 00.9" P.A. 186 SEP 2.4 MAG 11.15,12.57
 
 
Coord 2000
19215+3634
Discov num
ES 2177
Comp
AB
Coord arcsec 2000
19 21 32.66 +36 34 00.9
Date first
1925
Date last
1995
Obs
3
Pa first
181
Pa last
186
P.A. Now (θ)
186°
Sep first
2.5
Sep last
2.4
Sep. Now (ρ)
2.4"
Mag pri
11.15
Mag sec
12.57
delta mag (ΔM)
1.42
Spectral class
Pri motion ra
+005
Sec motion ra
+011
Pri motion dec
+010
Sec motion dec
+021
Notes
rPM=0.529
Nature of this double is uncertain.
 
 
19215+3634 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19215+3634 ES 2177 AB 1925 1995 3 186 2.4 11.15 12.57 1.42 <===
Show 19215+3634 ES 2177 AC 1925 2002 3 158 10.5 11.15 14.30 3.15
Show 19215+3634 ES 2177 AD 1925 2002 3 259 21.9 11.15 13.30 2.15
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Lyra
Tycho2
2666-01232-1
last precise pa
186
last precise sep
2.36