18165+3101 COU 813
18h 16m 31.68s +31° 01' 29.9" P.A. 143.00 sep 4.7 mag 11.00,11.60
Coord 2000 |
18165+3101 |
|
Discov num |
COU 813 |
|
Comp |
|
|
Coord arcsec 2000 |
18 16 31.68 +31 01 29.9 |
|
Date first |
1972 |
|
Date last |
2019 |
|
Obs |
9 |
|
Pa first |
143 |
|
Pa last |
143.4 |
|
P.A. Now (θ) |
143.4° |
|
Sep first |
4.2 |
|
Sep last |
4.701 |
|
Sep. Now (ρ) |
4.701" |
|
Mag pri |
11.00 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
Pri motion ra |
-002 |
|
Sec motion ra |
+018 |
|
Pri motion dec |
+011 |
|
Sec motion dec |
-019 |
|
Notes |
|
|
rPM=1.378
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Gaia DR2 |
4590279046730764160 |
|