19506-1047 HU 77 AB (HD 187493)
19h 50m 34.42s -10° 47' 21.7" P.A. 315.00 sep 0.4 mag 9.30,11.80 Sp K0
| Coord 2000 |
19506-1047 |
|
Discov num |
HU 77 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 50 34.42 -10 47 21.7 |
|
| Date first |
1899 |
|
Date last |
2021 |
|
Obs |
3 |
|
| Pa first |
317 |
|
Pa last |
314.7 |
|
P.A. Now (θ) |
314.7° |
|
| Sep first |
0.5 |
|
Sep last |
0.449 |
|
Sep. Now (ρ) |
0.449" |
|
| Mag pri |
9.30 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+012 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
19506-1047 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 187493 |
163035 |
19 50 34 -10 47 22 |
HU 77 AB |
2021 |
3 |
315 |
0.4 |
9.30 |
11.80 |
2.50 |
|
<=== |
| Show |
|
163035 |
19 50 34 -10 47 22 |
HU 77 AB,C |
2021 |
18 |
315 |
27.7 |
9.55 |
9.56 |
0.01 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 187493 |
|
Constellation |
Aquila |
|
SAO |
163035 |
|
Tycho2 |
5729-00040-1 |
|
| Gaia DR2 |
4190374504364964480 |
|
HD |
187493 |
|
