18487-6427 I 639 (HD 173211)
18h 48m 44.04s -64° 26' 38.9" P.A. 71.00 sep 2.1 mag 9.09,11.04 Sp A9V
| Coord 2000 |
18487-6427 |
|
Discov num |
I 639 |
|
Comp |
|
|
Coord arcsec 2000 |
18 48 44.04 -64 26 38.9 |
|
| Date first |
1909 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
77 |
|
Pa last |
71.3 |
|
P.A. Now (θ) |
71.3° |
|
| Sep first |
1.1 |
|
Sep last |
2.062 |
|
Sep. Now (ρ) |
2.062" |
|
| Mag pri |
9.09 |
|
Mag sec |
11.04 |
|
delta mag (ΔM) |
1.95 |
|
Spectral class |
A9V (white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-013 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 173211 |
|
Constellation |
Pavo |
|
Tycho2 |
9077-00244-1 |
|
Gaia DR2 |
6438308808822561024 |
|
| HD |
173211 |
|
