18428+4619 ES 1263
18h 42m 52.51s +46° 19' 26.5" P.A. 258.00 sep 4.7 mag 10.91,13.40
Coord 2000 |
18428+4619 |
|
Discov num |
ES 1263 |
|
Comp |
|
|
Coord arcsec 2000 |
18 42 52.51 +46 19 26.5 |
|
Date first |
1913 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
242 |
|
Pa last |
258.2 |
|
P.A. Now (θ) |
258.2° |
|
Sep first |
6.2 |
|
Sep last |
4.749 |
|
Sep. Now (ρ) |
4.749" |
|
Mag pri |
10.91 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
2.49 |
|
Spectral class |
|
|
Pri motion ra |
-008 |
|
Sec motion ra |
-037 |
|
Pri motion dec |
-017 |
|
Sec motion dec |
-018 |
|
Notes |
|
|
rPM=0.705
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Tycho2 |
3527-01861-1 |
|
Gaia DR2 |
2119262830945137792 |
|
ADS |
11618 |
|