21138+7409 CBL 91
21h 13m 47.82s +74° 08' 57.1" P.A. 168.00 sep 32.7 mag 15.40,16.80 Sp M2+M3
| Coord 2000 |
21138+7409 |
|
Discov num |
CBL 91 |
|
Comp |
|
|
Coord arcsec 2000 |
21 13 47.82 +74 08 57.1 |
|
| Date first |
1999 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
168 |
|
Pa last |
167.8 |
|
P.A. Now (θ) |
167.8° |
|
| Sep first |
32.7 |
|
Sep last |
32.702 |
|
Sep. Now (ρ) |
32.702" |
|
| Mag pri |
15.40 |
|
Mag sec |
16.80 |
|
delta mag (ΔM) |
1.4 |
|
Spectral class |
M2+M3 (red/red) |
|
| Pri motion ra |
+026 |
|
Sec motion ra |
+026 |
|
| Pri motion dec |
+071 |
|
Sec motion dec |
+071 |
|
| Notes |
V
(Proper motion indicates physical) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Gaia DR2 |
2277151635540181376 |
|
