21562-0659 BU 693 (HD 208420)
21h 56m 13.82s -06° 58' 48.0" P.A. 46.00 sep 1.0 mag 7.63,9.90 Sp B9 dist. 303.95 pc (991.48 l.y.)
| Coord 2000 |
21562-0659 |
|
Discov num |
BU 693 |
|
Comp |
|
|
Coord arcsec 2000 |
21 56 13.82 -06 58 48.0 |
|
| Date first |
1877 |
|
Date last |
1991 |
|
Obs |
23 |
|
| Pa first |
55 |
|
Pa last |
45.7 |
|
P.A. Now (θ) |
45.7° |
|
| Sep first |
1.0 |
|
Sep last |
1.016 |
|
Sep. Now (ρ) |
1.016" |
|
| Mag pri |
7.63 |
|
Mag sec |
9.90 |
|
delta mag (ΔM) |
2.27 |
|
Spectral class |
B9 (blue-white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 208420 |
|
Constellation |
Aquarius |
|
SAO |
145754 |
|
HIP |
108280 |
|
| Tycho2 |
5223-01142-1 |
|
Gaia DR2 |
2668389788603690752 |
|
HD |
208420 |
|
ADS |
15459 |
|
| BD |
BD-07 5669 |
|
Distance |
303.95 |
|
Distance ly |
991.48 |
|
