21341-0422 HO 288 AB
21h 34m 07.61s -04° 22' 05.4" P.A. 273.00 sep 21.6 mag 6.71,13.30 Sp A2 dist. 84.75 pc (276.45 l.y.)
| Coord 2000 |
21341-0422 |
|
Discov num |
HO 288 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 34 07.61 -04 22 05.4 |
|
| Date first |
1887 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
278 |
|
Pa last |
272.9 |
|
P.A. Now (θ) |
272.9° |
|
| Sep first |
17.0 |
|
Sep last |
21.561 |
|
Sep. Now (ρ) |
21.561" |
|
| Mag pri |
6.71 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
6.59 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+049 |
|
Sec motion ra |
+014 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
-009 |
|
| Notes |
W
|
|
rPM=0.759
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquarius |
|
SAO |
145493 |
|
HIP |
106488 |
|
Tycho2 |
5216-01130-1 |
|
| HD |
205244 |
|
GC |
30192 |
|
ADS |
15085 |
|
BD |
BD-05 5584 |
|
| Distance |
84.75 |
|
Distance ly |
276.45 |
|
