21278-0040 SLW 9009
21h 27m 49.51s -00° 40' 25.4" P.A. 59.00 sep 31.2 mag 17.10,18.00 Sp M2.5+M3.5
Coord 2000 |
21278-0040 |
|
Discov num |
SLW9009 |
|
Comp |
|
|
Coord arcsec 2000 |
21 27 49.51 -00 40 25.4 |
|
Date first |
1998 |
|
Date last |
2016 |
|
Obs |
8 |
|
Pa first |
60 |
|
Pa last |
59.4 |
|
P.A. Now (θ) |
59.4° |
|
Sep first |
31.3 |
|
Sep last |
31.199 |
|
Sep. Now (ρ) |
31.199" |
|
Mag pri |
17.10 |
|
Mag sec |
18.00 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
M2.5+M3.5 (red/red) |
|
Pri motion ra |
-044 |
|
Sec motion ra |
-043 |
|
Pri motion dec |
-052 |
|
Sec motion dec |
-053 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.021 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS