15439-6644 DON 749
15h 43m 53.50s -66° 44' 29.4" P.A. 213.00 sep 3.9 mag 10.39,15.40 Sp A2
| Coord 2000 |
15439-6644 |
|
Discov num |
DON 749 |
|
Comp |
|
|
Coord arcsec 2000 |
15 43 53.50 -66 44 29.4 |
|
| Date first |
1929 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
211 |
|
Pa last |
212.8 |
|
P.A. Now (θ) |
212.8° |
|
| Sep first |
3.5 |
|
Sep last |
3.915 |
|
Sep. Now (ρ) |
3.915" |
|
| Mag pri |
10.39 |
|
Mag sec |
15.40 |
|
delta mag (ΔM) |
5.01 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
-007 |
|
Sec motion ra |
|
|
| Pri motion dec |
-015 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Triangulum Australe |
|
Tycho2 |
9035-02416-1 |
|
Gaia DR2 |
5820892661456038912 |
|
HD |
139721 |
|
