20593+7455 A 878 (HD 200721)
20h 59m 20.38s +74° 54' 45.8" P.A. 48.00 sep 2.9 mag 8.74,12.10 Sp G0
| Coord 2000 |
20593+7455 |
|
Discov num |
A 878 |
|
Comp |
|
|
Coord arcsec 2000 |
20 59 20.38 +74 54 45.8 |
|
| Date first |
1904 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
45 |
|
Pa last |
47.8 |
|
P.A. Now (θ) |
47.8° |
|
| Sep first |
2.6 |
|
Sep last |
2.939 |
|
Sep. Now (ρ) |
2.939" |
|
| Mag pri |
8.74 |
|
Mag sec |
12.10 |
|
delta mag (ΔM) |
3.36 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-016 |
|
Sec motion ra |
|
|
| Pri motion dec |
+011 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 200721 |
|
Constellation |
Cepheus |
|
SAO |
9924 |
|
Tycho2 |
4472-00156-1 |
|
| Gaia DR2 |
2277105593489996288 |
|
HD |
200721 |
|
