21045+7046 STF 2771
21h 04m 28.70s +70° 45' 49.9" P.A. 33.00 sep 2.7 mag 9.53,9.61 Sp K2
| Coord 2000 |
21045+7046 |
|
Discov num |
STF2771 |
|
Comp |
|
|
Coord arcsec 2000 |
21 04 28.70 +70 45 49.9 |
|
| Date first |
1831 |
|
Date last |
2019 |
|
Obs |
40 |
|
| Pa first |
31 |
|
Pa last |
32.6 |
|
P.A. Now (θ) |
32.6° |
|
| Sep first |
2.5 |
|
Sep last |
2.69 |
|
Sep. Now (ρ) |
2.69" |
|
| Mag pri |
9.53 |
|
Mag sec |
9.61 |
|
delta mag (ΔM) |
0.08 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+083 |
|
Sec motion ra |
+105 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
+024 |
|
| Notes |
|
|
rPM=0.309
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
4464-01941-2 |
|
Gaia DR2 |
2271718154018913664 |
|
