18121+0207 BAL 1957
18h 12m 07.75s +02° 07' 53.1" P.A. 231.00 sep 8.7 mag 9.89,9.97
| Coord 2000 |
18121+0207 |
|
Discov num |
BAL1957 |
|
Comp |
|
|
Coord arcsec 2000 |
18 12 07.75 +02 07 53.1 |
|
| Date first |
1909 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
231 |
|
Pa last |
230.8 |
|
P.A. Now (θ) |
230.8° |
|
| Sep first |
8.7 |
|
Sep last |
8.688 |
|
Sep. Now (ρ) |
8.688" |
|
| Mag pri |
9.89 |
|
Mag sec |
9.97 |
|
delta mag (ΔM) |
0.08 |
|
Spectral class |
|
|
| Pri motion ra |
+032 |
|
Sec motion ra |
+017 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-012 |
|
| Notes |
N
(See Notes) |
|
rPM=0.483
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
Gaia DR2 |
4276148609044816384 |
|
