20033-4255 I 1490 (HD 189719)
20h 03m 16.65s -42° 55' 24.9" P.A. 152.00 sep 0.9 mag 7.88,9.24 Sp F3V dist. 138.7 pc (452.44 l.y.)
| Coord 2000 |
20033-4255 |
|
Discov num |
I 1490 |
|
Comp |
|
|
Coord arcsec 2000 |
20 03 16.65 -42 55 24.9 |
|
| Date first |
1925 |
|
Date last |
1991 |
|
Obs |
13 |
|
| Pa first |
132 |
|
Pa last |
152.4 |
|
P.A. Now (θ) |
152.4° |
|
| Sep first |
0.7 |
|
Sep last |
0.875 |
|
Sep. Now (ρ) |
0.875" |
|
| Mag pri |
7.88 |
|
Mag sec |
9.24 |
|
delta mag (ΔM) |
1.36 |
|
Spectral class |
F3V (yellow-white) |
|
| Pri motion ra |
-019 |
|
Sec motion ra |
-019 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 189719 |
|
Constellation |
Sagittarius |
|
SAO |
230010 |
|
HIP |
98739 |
|
| Tycho2 |
7955-02068-1 |
|
Gaia DR2 |
6686032081388110592 |
|
HD |
189719 |
|
GC |
27767 |
|
| CD |
CD-4313767 |
|
CP |
CP-43 9145 |
|
Distance |
138.7 |
|
Distance ly |
452.44 |
|
