21342+6400 ES 2712 (HD 205664)
21h 34m 11.60s +64° 00' 16.8" P.A. 228.00 sep 13.1 mag 7.89,12.30 Sp A2V dist. 273.22 pc (891.24 l.y.)
Coord 2000 |
21342+6400 |
|
Discov num |
ES 2712 |
|
Comp |
|
|
Coord arcsec 2000 |
21 34 11.60 +64 00 16.8 |
|
Date first |
1921 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
228 |
|
Pa last |
228 |
|
P.A. Now (θ) |
228° |
|
Sep first |
13.0 |
|
Sep last |
13.123 |
|
Sep. Now (ρ) |
13.123" |
|
Mag pri |
7.89 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
4.41 |
|
Spectral class |
A2V (white) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
-009 |
|
Pri motion dec |
-007 |
|
Sec motion dec |
-017 |
|
Notes |
|
|
rPM=0.773
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 205664 |
|
Constellation |
Cepheus |
|
SAO |
19502 |
|
HIP |
106493 |
|
Tycho2 |
4257-02697-1 |
|
Gaia DR2 |
2217357268348311680 |
|
HD |
205664 |
|
BD |
BD+63 1748 |
|
Distance |
273.22 |
|
Distance ly |
891.24 |
|