19242+3939 MLB 864

 
 
19h 24m 13.01s +39 38' 44.0" P.A. 259 sep 3.9 mag 9.60,11.20
 
 
Coord 2000
19242+3939
Discov num
MLB 864
Comp
Coord arcsec 2000
19 24 13.01 +39 38 44.0
Date first
1933
Date last
2013
Obs
4
Pa first
288
Pa last
259
P.A. Now (θ)
259°
Sep first
3.8
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
9.60
Mag sec
11.20
delta mag (ΔM)
1.6
Spectral class
Pri motion ra
+007
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
259.4
Precise sep
3.91
Constellation
Lyra
last precise pa
259.4
last precise sep
3.91
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19242+3939 MLB 864 1998 2 267 3.9 9.60 11.20 D 192413.01+393844.0
19242+3939 MLB 864 2002 3 265 3.8 9.60 11.20 D 192413.01+393844.0
19242+3939 MLB 864 2013 4 259 3.9 9.60 11.20 192413.01+393844.0

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