18129+0228 HEI 559
18h 12m 53.21s +02° 28' 39.7" P.A. 173.00 sep 0.8 mag 10.90,11.70
| Coord 2000 |
18129+0228 |
|
Discov num |
HEI 559 |
|
Comp |
|
|
Coord arcsec 2000 |
18 12 53.21 +02 28 39.7 |
|
| Date first |
1989 |
|
Date last |
2013 |
|
Obs |
3 |
|
| Pa first |
158 |
|
Pa last |
172.6 |
|
P.A. Now (θ) |
172.6° |
|
| Sep first |
0.6 |
|
Sep last |
0.785 |
|
Sep. Now (ρ) |
0.785" |
|
| Mag pri |
10.90 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
+010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
Tycho2 |
0435-02016-1 |
|
Gaia DR2 |
4277672974530168064 |
|
