19139+5523 ES 981 (HD 239021)
19h 13m 56.45s +55° 23' 14.7" P.A. 82.00 sep 2.6 mag 9.65,11.80 Sp A5
| Coord 2000 |
19139+5523 |
|
Discov num |
ES 981 |
|
Comp |
|
|
Coord arcsec 2000 |
19 13 56.45 +55 23 14.7 |
|
| Date first |
1910 |
|
Date last |
2021 |
|
Obs |
5 |
|
| Pa first |
90 |
|
Pa last |
81.6 |
|
P.A. Now (θ) |
81.6° |
|
| Sep first |
3.2 |
|
Sep last |
2.62 |
|
Sep. Now (ρ) |
2.62" |
|
| Mag pri |
9.65 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
2.15 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
|
|
| Pri motion dec |
+022 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 239021 |
|
Constellation |
Cygnus |
|
SAO |
31495 |
|
Tycho2 |
3924-00568-1 |
|
| Gaia DR2 |
2140967671514272256 |
|
HD |
239021 |
|
