17408-7105 HEI 250
17h 40m 43.04s -71° 03' 46.6" P.A. 220.00 sep 1.3 mag 10.90,12.80
| Coord 2000 |
17408-7105 |
|
Discov num |
HEI 250 |
|
Comp |
|
|
Coord arcsec 2000 |
17 40 43.04 -71 03 46.6 |
|
| Date first |
1984 |
|
Date last |
2016 |
|
Obs |
2 |
|
| Pa first |
224 |
|
Pa last |
220 |
|
P.A. Now (θ) |
220° |
|
| Sep first |
1.1 |
|
Sep last |
1.3 |
|
Sep. Now (ρ) |
1.3" |
|
| Mag pri |
10.90 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
1.9 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
|
|
| Pri motion dec |
+012 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Apus |
|
Tycho2 |
9293-00305-1 |
|
Gaia DR2 |
5809958121374251264 |
|
