18138+5341 ES 645
18h 13m 47.16s +53° 41' 10.0" P.A. 84.00 sep 3.1 mag 8.94,12.70 Sp K5
Coord 2000 |
18138+5341 |
|
Discov num |
ES 645 |
|
Comp |
|
|
Coord arcsec 2000 |
18 13 47.16 +53 41 10.0 |
|
Date first |
1908 |
|
Date last |
2021 |
|
Obs |
9 |
|
Pa first |
89 |
|
Pa last |
83.6 |
|
P.A. Now (θ) |
83.6° |
|
Sep first |
2.8 |
|
Sep last |
3.1 |
|
Sep. Now (ρ) |
3.1" |
|
Mag pri |
8.94 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
3.76 |
|
Spectral class |
K5 (yellow-orange) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
|
|
Pri motion dec |
-010 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
SAO |
30826 |
|
Tycho2 |
3904-01517-1 |
|
Gaia DR2 |
2149488096353729152 |
|
HD |
234594 |
|