21381+4258 ES 1458
21h 38m 04.32s +42° 57' 42.4" P.A. 187.00 sep 2.9 mag 9.29,13.40 Sp A2
| Coord 2000 |
21381+4258 |
|
Discov num |
ES 1458 |
|
Comp |
|
|
Coord arcsec 2000 |
21 38 04.32 +42 57 42.4 |
|
| Date first |
1915 |
|
Date last |
2000 |
|
Obs |
2 |
|
| Pa first |
191 |
|
Pa last |
186.8 |
|
P.A. Now (θ) |
186.8° |
|
| Sep first |
5.1 |
|
Sep last |
2.85 |
|
Sep. Now (ρ) |
2.85" |
|
| Mag pri |
9.29 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
4.11 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
-020 |
|
Sec motion ra |
|
|
| Pri motion dec |
-027 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3191-00101-1 |
|
Gaia DR2 |
1967661583597490560 |
|
