21184+0518 HDS 3031 (HD 202817)
21h 18m 22.09s +05° 18' 12.6" P.A. 103.00 sep 0.1 mag 9.94,10.16 Sp F5 dist. 182.48 pc (595.25 l.y.)
| Coord 2000 |
21184+0518 |
|
Discov num |
HDS3031 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 22.09 +05 18 12.6 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
7 |
|
| Pa first |
9 |
|
Pa last |
103.2 |
|
P.A. Now (θ) |
103.2° |
|
| Sep first |
0.2 |
|
Sep last |
0.117 |
|
Sep. Now (ρ) |
0.117" |
|
| Mag pri |
9.94 |
|
Mag sec |
10.16 |
|
delta mag (ΔM) |
0.22 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 202817 |
|
Constellation |
Equuleus |
|
SAO |
126696 |
|
HIP |
105174 |
|
| Tycho2 |
0536-01595-1 |
|
Gaia DR2 |
1732661829514076032 |
|
HD |
202817 |
|
BD |
BD+04 4646 |
|
| Distance |
182.48 |
|
Distance ly |
595.25 |
|
