17471+6455 LDS 2741
17h 46m 56.25s +64° 56' 07.9" P.A. 144.00 sep 23.1 mag 15.31,15.74 Sp M1+M1
Coord 2000 |
17471+6455 |
|
Discov num |
LDS2741 |
|
Comp |
|
|
Coord arcsec 2000 |
17 46 56.25 +64 56 07.9 |
|
Date first |
1968 |
|
Date last |
2016 |
|
Obs |
12 |
|
Pa first |
145 |
|
Pa last |
144.4 |
|
P.A. Now (θ) |
144.4° |
|
Sep first |
23.0 |
|
Sep last |
23.114 |
|
Sep. Now (ρ) |
23.114" |
|
Mag pri |
15.31 |
|
Mag sec |
15.74 |
|
delta mag (ΔM) |
0.43 |
|
Spectral class |
M1+M1 (red/red) |
|
Pri motion ra |
-082 |
|
Sec motion ra |
-077 |
|
Pri motion dec |
+097 |
|
Sec motion dec |
+107 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.085 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
Gaia DR2 |
1440919956821235840 |
|