| 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 | 8.7 |
Sep. Now (ρ) | 8.7" |
||||||
| 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 | |||||||||||
| Precise pa | 203 |
Precise sep | 8.672 |
Constellation | Aquila |
SAO | 125366 |
||||
| Tycho2 | 0494-02144-1 |
Gaia DR2 | 98652573696 |
HD | 189738 |
| coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
| 20015+0040 | HDO 315 | 1945 | 4 | 202 | 8.9 | 9.04 | 12.50 | K2 | D | 200132.86+003946.3 | |
| 20015+0040 | HDO 315 | 2000 | 5 | 203 | 8.6 | 9.04 | 12.50 | K2 | 200132.86+003946.3 | ||
| 20015+0040 | HDO 315 | 2014 | 6 | 200 | 7.7 | 9.04 | 12.50 | K2 | 200132.86+003946.3 | ||
| 20015+0040 | HDO 315 | 2015 | 7 | 203 | 8.7 | 9.04 | 12.50 | K2 | 200132.86+003946.3 |