18205-4219 DON 889
18h 20m 31.51s -42° 18' 52.2" P.A. 260.00 sep 0.8 mag 9.70,12.70 Sp A1V
| Coord 2000 |
18205-4219 |
|
Discov num |
DON 889 |
|
Comp |
|
|
Coord arcsec 2000 |
18 20 31.51 -42 18 52.2 |
|
| Date first |
1931 |
|
Date last |
1948 |
|
Obs |
3 |
|
| Pa first |
262 |
|
Pa last |
259.5 |
|
P.A. Now (θ) |
259.5° |
|
| Sep first |
0.8 |
|
Sep last |
0.82 |
|
Sep. Now (ρ) |
0.82" |
|
| Mag pri |
9.70 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
3 |
|
Spectral class |
A1V (white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corona Austrina |
|
SAO |
228932 |
|
Tycho2 |
7909-02006-1 |
|
Gaia DR2 |
6721605577537760896 |
|
| HD |
168195 |
|
DM |
CP-42 8368 |
|
