20435+1953 STF 2721 (HD 197473)
20h 43m 29.80s +19° 52' 52.2" P.A. 22.00 sep 2.6 mag 7.80,9.90 Sp G5
| Coord 2000 |
20435+1953 |
|
Discov num |
STF2721 |
|
Comp |
|
|
Coord arcsec 2000 |
20 43 29.80 +19 52 52.2 |
|
| Date first |
1830 |
|
Date last |
2016 |
|
Obs |
28 |
|
| Pa first |
32 |
|
Pa last |
21.9 |
|
P.A. Now (θ) |
21.9° |
|
| Sep first |
2.4 |
|
Sep last |
2.638 |
|
Sep. Now (ρ) |
2.638" |
|
| Mag pri |
7.80 |
|
Mag sec |
9.90 |
|
delta mag (ΔM) |
2.1 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-024 |
|
Sec motion ra |
|
|
| Pri motion dec |
-027 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 197473 |
|
Constellation |
Delphinus |
|
SAO |
106427 |
|
Tycho2 |
1642-00833-1 |
|
| Gaia DR2 |
1814275553990079232 |
|
HD |
197473 |
|
GC |
28879 |
|
