20015+0040 HDO 315 (HD 189738)
20h 01m 32.86s +00° 39' 46.3" P.A. 203.00 sep 8.7 mag 9.04,12.50 Sp K2
| Coord 2000 |
20015+0040 |
|
Discov num |
HDO 315 |
|
Comp |
|
|
Coord arcsec 2000 |
20 01 32.86 +00 39 46.3 |
|
| Date first |
1900 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
199 |
|
Pa last |
203 |
|
P.A. Now (θ) |
203° |
|
| Sep first |
9.4 |
|
Sep last |
8.672 |
|
Sep. Now (ρ) |
8.672" |
|
| Mag pri |
9.04 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
3.46 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
|
|
| Pri motion dec |
-007 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 189738 |
|
Constellation |
Aquila |
|
SAO |
125366 |
|
Tycho2 |
0494-02144-1 |
|
| Gaia DR2 |
4237420098652573696 |
|
HD |
189738 |
|
