21057+2207 BRT 2490
21h 05m 45.43s +22° 06' 28.4" P.A. 252.00 sep 3.1 mag 11.10,11.90
| Coord 2000 |
21057+2207 |
|
Discov num |
BRT2490 |
|
Comp |
|
|
Coord arcsec 2000 |
21 05 45.43 +22 06 28.4 |
|
| Date first |
1939 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
261 |
|
Pa last |
252.1 |
|
P.A. Now (θ) |
252.1° |
|
| Sep first |
2.5 |
|
Sep last |
3.12 |
|
Sep. Now (ρ) |
3.12" |
|
| Mag pri |
11.10 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
+024 |
|
Sec motion ra |
-021 |
|
| Pri motion dec |
+023 |
|
Sec motion dec |
+008 |
|
| Notes |
|
|
rPM=1.427
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Tycho2 |
1661-01320-1 |
|
Gaia DR2 |
1838454673676134144 |
|
