18537+4550 DEA 437
18h 53m 45.50s +45° 50' 18.8" P.A. 73.00 sep 25.9 mag 12.90,17.80
Coord 2000 |
18537+4550 |
|
Discov num |
DEA 437 |
|
Comp |
|
|
Coord arcsec 2000 |
18 53 45.50 +45 50 18.8 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
73 |
|
Pa last |
72.9 |
|
P.A. Now (θ) |
72.9° |
|
Sep first |
25.9 |
|
Sep last |
25.87 |
|
Sep. Now (ρ) |
25.87" |
|
Mag pri |
12.90 |
|
Mag sec |
17.80 |
|
delta mag (ΔM) |
4.9 |
|
Spectral class |
|
|
Pri motion ra |
+037 |
|
Sec motion ra |
+040 |
|
Pri motion dec |
-096 |
|
Sec motion dec |
-087 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.092 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Lyra |
|
Gaia DR2 |
2107031142044630144 |
|