18109+5139 ES 642
18h 10m 51.66s +51° 39' 45.4" P.A. 273.00 sep 7.2 mag 10.60,14.60 Sp K0
| Coord 2000 |
18109+5139 |
|
Discov num |
ES 642 |
|
Comp |
|
|
Coord arcsec 2000 |
18 10 51.66 +51 39 45.4 |
|
| Date first |
1908 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
274 |
|
Pa last |
273.1 |
|
P.A. Now (θ) |
273.1° |
|
| Sep first |
6.8 |
|
Sep last |
7.152 |
|
Sep. Now (ρ) |
7.152" |
|
| Mag pri |
10.60 |
|
Mag sec |
14.60 |
|
delta mag (ΔM) |
4 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
-032 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
rPM=1.158
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
Tycho2 |
3536-01759-1 |
|
Gaia DR2 |
2125159752322336000 |
|
ADS |
11147 |
|
