19180-2504 HDS 2730 (HD 180570)
19h 18m 02.17s -25° 04' 19.9" P.A. 90.00 sep 0.5 mag 8.95,11.77 Sp A7V dist. 297.62 pc (970.84 l.y.)
| Coord 2000 |
19180-2504 |
|
Discov num |
HDS2730 |
|
Comp |
|
|
Coord arcsec 2000 |
19 18 02.17 -25 04 19.9 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
88 |
|
Pa last |
89.9 |
|
P.A. Now (θ) |
89.9° |
|
| Sep first |
0.4 |
|
Sep last |
0.472 |
|
Sep. Now (ρ) |
0.472" |
|
| Mag pri |
8.95 |
|
Mag sec |
11.77 |
|
delta mag (ΔM) |
2.82 |
|
Spectral class |
A7V (white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-021 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 180570 |
|
Constellation |
Sagittarius |
|
SAO |
187935 |
|
HIP |
94853 |
|
| Tycho2 |
6879-01859-1 |
|
Gaia DR2 |
6769456010022671488 |
|
HD |
180570 |
|
CD |
CD-2513911 |
|
| CP |
CP-25 6752 |
|
Distance |
297.62 |
|
Distance ly |
970.84 |
|
