20450+3827 ALI 947
20h 45m 03.91s +38° 27' 56.5" P.A. 69.00 sep 6.9 mag 11.97,12.50
| Coord 2000 |
20450+3827 |
|
Discov num |
ALI 947 |
|
Comp |
|
|
Coord arcsec 2000 |
20 45 03.91 +38 27 56.5 |
|
| Date first |
1928 |
|
Date last |
2020 |
|
Obs |
4 |
|
| Pa first |
68 |
|
Pa last |
68.8 |
|
P.A. Now (θ) |
68.8° |
|
| Sep first |
7.1 |
|
Sep last |
6.91 |
|
Sep. Now (ρ) |
6.91" |
|
| Mag pri |
11.97 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
0.53 |
|
Spectral class |
|
|
| Pri motion ra |
-010 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3166-01261-1 |
|
Gaia DR2 |
2063425438609406976 |
|
