17567+0447 HEI 255
17h 56m 43.61s +04° 47' 28.4" P.A. 269.00 sep 0.4 mag 11.50,11.80
| Coord 2000 |
17567+0447 |
|
Discov num |
HEI 255 |
|
Comp |
|
|
Coord arcsec 2000 |
17 56 43.61 +04 47 28.4 |
|
| Date first |
1984 |
|
Date last |
2013 |
|
Obs |
3 |
|
| Pa first |
264 |
|
Pa last |
268.8 |
|
P.A. Now (θ) |
268.8° |
|
| Sep first |
0.2 |
|
Sep last |
0.421 |
|
Sep. Now (ρ) |
0.421" |
|
| Mag pri |
11.50 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
Tycho2 |
0425-00187-1 |
|
