18157+3723 ES 2664
18h 15m 43.85s +37° 22' 17.4" P.A. 83.00 sep 9.2 mag 10.57,10.78
Coord 2000 |
18157+3723 |
|
Discov num |
ES 2664 |
|
Comp |
|
|
Coord arcsec 2000 |
18 15 43.85 +37 22 17.4 |
|
Date first |
1923 |
|
Date last |
2018 |
|
Obs |
26 |
|
Pa first |
80 |
|
Pa last |
82.6 |
|
P.A. Now (θ) |
82.6° |
|
Sep first |
9.7 |
|
Sep last |
9.167 |
|
Sep. Now (ρ) |
9.167" |
|
Mag pri |
10.57 |
|
Mag sec |
10.78 |
|
delta mag (ΔM) |
0.21 |
|
Spectral class |
|
|
Pri motion ra |
-003 |
|
Sec motion ra |
-005 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-008 |
|
Notes |
|
|
rPM=0.474
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Tycho2 |
2634-00981-2 |
|
Gaia DR2 |
4606825322338285440 |
|
ADS |
11216 |
|