20217+4522 BRT 2261
20h 21m 38.66s +45° 22' 39.3" P.A. 272.00 sep 4.5 mag 9.80,10.40
| Coord 2000 |
20217+4522 |
|
Discov num |
BRT2261 |
|
Comp |
|
|
Coord arcsec 2000 |
20 21 38.66 +45 22 39.3 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
287 |
|
Pa last |
271.7 |
|
P.A. Now (θ) |
271.7° |
|
| Sep first |
4.0 |
|
Sep last |
4.496 |
|
Sep. Now (ρ) |
4.496" |
|
| Mag pri |
9.80 |
|
Mag sec |
10.40 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
+014 |
|
Sec motion ra |
-018 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
rPM=1.628
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2081484470416895872 |
|
