17478-7103 HEI 253
17h 47m 46.30s -71° 02' 06.0" P.A. 346.00 sep 0.8 mag 11.15,11.35
| Coord 2000 |
17478-7103 |
|
Discov num |
HEI 253 |
|
Comp |
|
|
Coord arcsec 2000 |
17 47 46.30 -71 02 06.0 |
|
| Date first |
1984 |
|
Date last |
1991 |
|
Obs |
2 |
|
| Pa first |
341 |
|
Pa last |
346.3 |
|
P.A. Now (θ) |
346.3° |
|
| Sep first |
0.8 |
|
Sep last |
0.77 |
|
Sep. Now (ρ) |
0.77" |
|
| Mag pri |
11.15 |
|
Mag sec |
11.35 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
| Pri motion ra |
-015 |
|
Sec motion ra |
-015 |
|
| Pri motion dec |
-046 |
|
Sec motion dec |
-046 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Apus |
|
Tycho2 |
9293-01283-1 |
|
Gaia DR2 |
5809782607531989632 |
|
