20003+4621 A 719 (HD 189881)
20h 00m 16.61s +46° 20' 19.0" P.A. 109.00 sep 3.0 mag 9.90,10.43 Sp A0
| Coord 2000 |
20003+4621 |
|
Discov num |
A 719 |
|
Comp |
|
|
Coord arcsec 2000 |
20 00 16.61 +46 20 19.0 |
|
| Date first |
1904 |
|
Date last |
2018 |
|
Obs |
11 |
|
| Pa first |
107 |
|
Pa last |
108.6 |
|
P.A. Now (θ) |
108.6° |
|
| Sep first |
2.7 |
|
Sep last |
3.029 |
|
Sep. Now (ρ) |
3.029" |
|
| Mag pri |
9.90 |
|
Mag sec |
10.43 |
|
delta mag (ΔM) |
0.53 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
+006 |
|
Sec motion dec |
+001 |
|
| Notes |
|
|
rPM=0.747
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 189881 |
|
Constellation |
Cygnus |
|
Tycho2 |
3558-01435-1 |
|
Gaia DR2 |
2085380177552668672 |
|
| HD |
189881 |
|