18478+3954 GRV 240
18h 47m 48.08s +39° 54' 35.0" P.A. 43.00 sep 15.6 mag 11.10,11.80
| Coord 2000 |
18478+3954 |
|
Discov num |
GRV 240 |
|
Comp |
|
|
Coord arcsec 2000 |
18 47 48.08 +39 54 35.0 |
|
| Date first |
1894 |
|
Date last |
2017 |
|
Obs |
12 |
|
| Pa first |
44 |
|
Pa last |
42.8 |
|
P.A. Now (θ) |
42.8° |
|
| Sep first |
15.2 |
|
Sep last |
15.625 |
|
Sep. Now (ρ) |
15.625" |
|
| Mag pri |
11.10 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
|
|
| Pri motion ra |
+019 |
|
Sec motion ra |
+018 |
|
| Pri motion dec |
+029 |
|
Sec motion dec |
+031 |
|
| Notes |
|
|
rPM=0.062 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
Tycho2 |
3122-00278-1 |
|
Gaia DR2 |
2098282087503933696 |
|
