21278+4748 ES 680
21h 27m 48.17s +47° 48' 55.2" P.A. 331.00 sep 7.6 mag 9.59,13.00 Sp K3III
| Coord 2000 |
21278+4748 |
|
Discov num |
ES 680 |
|
Comp |
|
|
Coord arcsec 2000 |
21 27 48.17 +47 48 55.2 |
|
| Date first |
1900 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
331 |
|
Pa last |
330.5 |
|
P.A. Now (θ) |
330.5° |
|
| Sep first |
7.4 |
|
Sep last |
7.644 |
|
Sep. Now (ρ) |
7.644" |
|
| Mag pri |
9.59 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
3.41 |
|
Spectral class |
K3III (yellow-orange) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3594-01362-1 |
|
Gaia DR2 |
1978512182828218240 |
|
ADS |
14999 |
|
