18341-4218 DON 910 (HD 170961)
18h 34m 07.81s -42° 17' 41.1" P.A. 143.00 sep 0.6 mag 9.60,11.80 Sp A2/3IV
| Coord 2000 |
18341-4218 |
|
Discov num |
DON 910 |
|
Comp |
|
|
Coord arcsec 2000 |
18 34 07.81 -42 17 41.1 |
|
| Date first |
1931 |
|
Date last |
1936 |
|
Obs |
2 |
|
| Pa first |
147 |
|
Pa last |
143 |
|
P.A. Now (θ) |
143° |
|
| Sep first |
0.6 |
|
Sep last |
0.62 |
|
Sep. Now (ρ) |
0.62" |
|
| Mag pri |
9.60 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
2.2 |
|
Spectral class |
A2/3IV (white) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
|
|
| Pri motion dec |
-007 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 170961 |
|
Constellation |
Corona Austrina |
|
SAO |
229116 |
|
Tycho2 |
7910-00686-1 |
|
| Gaia DR2 |
6722488859013187712 |
|
HD |
170961 |
|
DM |
CP-42 8425 |
|
