18387+1800 GRV 235
18h 38m 43.46s +18° 00' 23.7" P.A. 331.00 sep 7.8 mag 11.40,11.60
Coord 2000 |
18387+1800 |
|
Discov num |
GRV 235 |
|
Comp |
|
|
Coord arcsec 2000 |
18 38 43.46 +18 00 23.7 |
|
Date first |
1900 |
|
Date last |
2016 |
|
Obs |
12 |
|
Pa first |
331 |
|
Pa last |
331.3 |
|
P.A. Now (θ) |
331.3° |
|
Sep first |
7.9 |
|
Sep last |
7.841 |
|
Sep. Now (ρ) |
7.841" |
|
Mag pri |
11.40 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
Pri motion ra |
-015 |
|
Sec motion ra |
-019 |
|
Pri motion dec |
-047 |
|
Sec motion dec |
-042 |
|
Notes |
|
|
rPM=0.13 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Gaia DR2 |
4512034741289440768 |
|