19450+5551 HJ 1439

 
 
19h 45m 00.07s +55 50' 51.5" P.A. 204 sep 33.3 mag 7.83,10.04 Sp M0 dist. 1030.93 pc (3362.89 l.y.)
 
 
Coord 2000
19450+5551
Discov num
HJ 1439
Comp
Coord arcsec 2000
19 45 00.07 +55 50 51.5
Date first
1828
Date last
2010
Obs
21
Pa first
195
Pa last
204
P.A. Now (θ)
204°
Sep first
30.0
Sep last
33.3
Sep. Now (ρ)
33.3"
Mag pri
7.83
Mag sec
10.04
delta mag (ΔM)
2.21
Spectral class
M0 (red)
Pri motion ra
-003
Sec motion ra
-032
Pri motion dec
-005
Sec motion dec
+003
Notes
L Y (Linear solution, Parallax indicates components are non-physical)
rPM=0.936
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
204.1
Precise sep
33.28
Constellation
Cygnus
SAO
31956
HIP
97170
Tycho2
3938-00229-1
HD
187053
BD
BD+55 2257
Distance
1030.93
Distance ly
3362.89
last precise pa
204.1
last precise sep
33.28
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19450+5551 HJ 1439 2006 17 205 33.4 7.83 10.04 M0 NLD 194500.07+555051.5
19450+5551 HJ 1439 2010 19 205 33.2 7.83 10.04 M0 NLD 194500.07+555051.5

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