21421-0554 A 298
21h 42m 03.32s -05° 54' 23.2" P.A. 140.00 sep 2.7 mag 9.89,13.90 Sp G0
| Coord 2000 |
21421-0554 |
|
Discov num |
A 298 |
|
Comp |
|
|
Coord arcsec 2000 |
21 42 03.32 -05 54 23.2 |
|
| Date first |
1901 |
|
Date last |
2004 |
|
Obs |
6 |
|
| Pa first |
142 |
|
Pa last |
139.7 |
|
P.A. Now (θ) |
139.7° |
|
| Sep first |
2.8 |
|
Sep last |
2.66 |
|
Sep. Now (ρ) |
2.66" |
|
| Mag pri |
9.89 |
|
Mag sec |
13.90 |
|
delta mag (ΔM) |
4.01 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+014 |
|
Sec motion ra |
|
|
| Pri motion dec |
-017 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquarius |
|
SAO |
145595 |
|
Tycho2 |
5221-01138-1 |
|
Gaia DR2 |
2668208163026710784 |
|
| HD |
206406 |
|
