20344+3328 HEI 181
20h 34m 20.44s +33° 28' 09.5" P.A. 4.00 sep 4.1 mag 10.54,12.50
| Coord 2000 |
20344+3328 |
|
Discov num |
HEI 181 |
|
Comp |
|
|
Coord arcsec 2000 |
20 34 20.44 +33 28 09.5 |
|
| Date first |
1981 |
|
Date last |
1999 |
|
Obs |
2 |
|
| Pa first |
1 |
|
Pa last |
3.8 |
|
P.A. Now (θ) |
3.8° |
|
| Sep first |
4.5 |
|
Sep last |
4.13 |
|
Sep. Now (ρ) |
4.13" |
|
| Mag pri |
10.54 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
1.96 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-014 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2690-00735-1 |
|
Gaia DR2 |
1863833154407373952 |
|