18525+0420 J 2155
18h 52m 17.48s +04° 20' 08.1" P.A. 276.00 sep 8.1 mag 9.80,12.00
Coord 2000 |
18525+0420 |
|
Discov num |
J 2155 |
|
Comp |
|
|
Coord arcsec 2000 |
18 52 17.48 +04 20 08.1 |
|
Date first |
1942 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
270 |
|
Pa last |
275.8 |
|
P.A. Now (θ) |
275.8° |
|
Sep first |
4.0 |
|
Sep last |
8.05 |
|
Sep. Now (ρ) |
8.05" |
|
Mag pri |
9.80 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
2.2 |
|
Spectral class |
|
|
Pri motion ra |
+023 |
|
Sec motion ra |
-020 |
|
Pri motion dec |
-060 |
|
Sec motion dec |
-036 |
|
Notes |
|
|
rPM=0.766
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Serpens |
|
Gaia DR2 |
4281862457439040640 |
|