17281-7213 HEI 388
17h 28m 04.83s -72° 13' 21.6" P.A. 314.00 sep 1.2 mag 10.55,11.26
| Coord 2000 |
17281-7213 |
|
Discov num |
HEI 388 |
|
Comp |
|
|
Coord arcsec 2000 |
17 28 04.83 -72 13 21.6 |
|
| Date first |
1985 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
311 |
|
Pa last |
313.7 |
|
P.A. Now (θ) |
313.7° |
|
| Sep first |
1.2 |
|
Sep last |
1.228 |
|
Sep. Now (ρ) |
1.228" |
|
| Mag pri |
10.55 |
|
Mag sec |
11.26 |
|
delta mag (ΔM) |
0.71 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+002 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Apus |
|
Tycho2 |
9284-01468-1 |
|
Gaia DR2 |
5804581990549563520 |
|