21538+1158 DEA 90
21h 53m 46.76s +11° 57' 37.2" P.A. 17.00 sep 11.2 mag 9.25,13.43 Sp M3+M7
| Coord 2000 |
21538+1158 |
|
Discov num |
DEA 90 |
|
Comp |
|
|
Coord arcsec 2000 |
21 53 46.76 +11 57 37.2 |
|
| Date first |
1999 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
17 |
|
Pa last |
16.6 |
|
P.A. Now (θ) |
16.6° |
|
| Sep first |
11.3 |
|
Sep last |
11.203 |
|
Sep. Now (ρ) |
11.203" |
|
| Mag pri |
9.25 |
|
Mag sec |
13.43 |
|
delta mag (ΔM) |
4.18 |
|
Spectral class |
M3+M7 (red/red) |
|
| Pri motion ra |
-093 |
|
Sec motion ra |
-085 |
|
| Pri motion dec |
-128 |
|
Sec motion dec |
-136 |
|
| Notes |
V
K
(Proper motion indicates physical, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
rPM=0.071 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1766171920271467136 |
|
