20397+8030 HDS2946

 
 
20h 39m 43.28s +80 29' 59.9" P.A. 143.00 sep 0.2 mag 9.22,9.61 Sp M... dist. 740.74 pc (2416.29 l.y.)
 
 
Coord 2000
20397+8030
Discov num
HDS2946
Comp
Coord arcsec 2000
20 39 43.28 +80 29 59.9
Date first
1991
Date last
1991
Obs
1
Pa first
143
Pa last
143
P.A. Now (θ)
143°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.22
Mag sec
9.61
delta mag (ΔM)
0.39
Spectral class
M... (red)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
143
Precise sep
0.171
Constellation
Draco
SAO
3443
HIP
101960
Tycho2
4593-00263-1
Gaia DR2
65846967680
HD
198327
BD
BD+79 683
Distance
740.74
Distance ly
2416.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20397+8030 HDS2946 1991 1 143 0.2 9.22 9.61 M... 203943.28+802959.9

If you need more information about this double, apply for a data request form to the WDS.