21559+5950 STT 537 (HD 208666)
21h 55m 56.72s +59° 49' 59.2" P.A. 203.00 sep 1.9 mag 7.80,10.90 Sp A0
| Coord 2000 |
21559+5950 |
|
Discov num |
STT 537 |
|
Comp |
|
|
Coord arcsec 2000 |
21 55 56.72 +59 49 59.2 |
|
| Date first |
1856 |
|
Date last |
2016 |
|
Obs |
17 |
|
| Pa first |
191 |
|
Pa last |
203 |
|
P.A. Now (θ) |
203° |
|
| Sep first |
2.6 |
|
Sep last |
1.949 |
|
Sep. Now (ρ) |
1.949" |
|
| Mag pri |
7.80 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
3.1 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+022 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 208666 |
|
Constellation |
Cepheus |
|
SAO |
33882 |
|
Tycho2 |
3980-00421-1 |
|
| Gaia DR2 |
2202746755990117248 |
|
HD |
208666 |
|
