18169+6415 SLW 1218
18h 16m 56.05s +64° 14' 40.2" P.A. 44.00 sep 12.7 mag 16.71,17.69 Sp M4.2+M4.8
Coord 2000 |
18169+6415 |
|
Discov num |
SLW1218 |
|
Comp |
|
|
Coord arcsec 2000 |
18 16 56.05 +64 14 40.2 |
|
Date first |
1994 |
|
Date last |
2016 |
|
Obs |
20 |
|
Pa first |
44 |
|
Pa last |
44.3 |
|
P.A. Now (θ) |
44.3° |
|
Sep first |
12.6 |
|
Sep last |
12.656 |
|
Sep. Now (ρ) |
12.656" |
|
Mag pri |
16.71 |
|
Mag sec |
17.69 |
|
delta mag (ΔM) |
0.98 |
|
Spectral class |
M4.2+M4.8 (red/red) |
|
Pri motion ra |
-041 |
|
Sec motion ra |
-042 |
|
Pri motion dec |
-247 |
|
Sec motion dec |
-249 |
|
Notes |
V
R
(Proper motion indicates physical, Red magnitudes) |
|
rPM=0.009 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
Gaia DR2 |
2161221809567527936 |
|