18127+5557 ES 643
18h 12m 45.93s +55° 55' 56.3" P.A. 49.00 sep 3.9 mag 10.71,12.90
| Coord 2000 |
18127+5557 |
|
Discov num |
ES 643 |
|
Comp |
|
|
Coord arcsec 2000 |
18 12 45.93 +55 55 56.3 |
|
| Date first |
1908 |
|
Date last |
2021 |
|
Obs |
12 |
|
| Pa first |
50 |
|
Pa last |
49.4 |
|
P.A. Now (θ) |
49.4° |
|
| Sep first |
3.4 |
|
Sep last |
3.91 |
|
Sep. Now (ρ) |
3.91" |
|
| Mag pri |
10.71 |
|
Mag sec |
12.90 |
|
delta mag (ΔM) |
2.19 |
|
Spectral class |
|
|
| Pri motion ra |
-047 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
-022 |
|
| Notes |
|
|
rPM=0.973
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
Tycho2 |
3907-01801-1 |
|
Gaia DR2 |
2150103616707471872 |
|
