21188+0019 WSS 4
21h 18m 48.07s +00° 18' 50.0" P.A. 37.00 sep 2.8 mag 12.50,13.80 Sp M+M
| Coord 2000 |
21188+0019 |
|
Discov num |
WSS 4 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 48.07 +00 18 50.0 |
|
| Date first |
2015 |
|
Date last |
2019 |
|
Obs |
3 |
|
| Pa first |
36 |
|
Pa last |
37 |
|
P.A. Now (θ) |
37° |
|
| Sep first |
2.7 |
|
Sep last |
2.807 |
|
Sep. Now (ρ) |
2.807" |
|
| Mag pri |
12.50 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
M+M (red/red) |
|
| Pri motion ra |
+024 |
|
Sec motion ra |
+033 |
|
| Pri motion dec |
-064 |
|
Sec motion dec |
-062 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.131 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
