20306+2158 BRT 2478
20h 30m 34.04s +21° 57' 43.2" P.A. 297.00 sep 3.6 mag 9.90,10.00
| Coord 2000 |
20306+2158 |
|
Discov num |
BRT2478 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 34.04 +21 57 43.2 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
16 |
|
| Pa first |
299 |
|
Pa last |
297.1 |
|
P.A. Now (θ) |
297.1° |
|
| Sep first |
3.3 |
|
Sep last |
3.553 |
|
Sep. Now (ρ) |
3.553" |
|
| Mag pri |
9.90 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
-006 |
|
Sec motion dec |
-005 |
|
| Notes |
N
(See Notes) |
|
rPM=0.707
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1818652636761590016 |
|
