20300+4940 HU 589
20h 29m 59.62s +49° 40' 16.0" P.A. 204.00 sep 1.6 mag 9.83,10.33 Sp G0
| Coord 2000 |
20300+4940 |
|
Discov num |
HU 589 |
|
Comp |
|
|
Coord arcsec 2000 |
20 29 59.62 +49 40 16.0 |
|
| Date first |
1902 |
|
Date last |
2018 |
|
Obs |
9 |
|
| Pa first |
181 |
|
Pa last |
203.5 |
|
P.A. Now (θ) |
203.5° |
|
| Sep first |
1.0 |
|
Sep last |
1.615 |
|
Sep. Now (ρ) |
1.615" |
|
| Mag pri |
9.83 |
|
Mag sec |
10.33 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
+067 |
|
Sec motion dec |
+067 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3581-01380-1 |
|
Gaia DR2 |
2180058741557521024 |
|
ADS |
13931 |
|
