21210+0217 HEI 408 AB
21h 20m 57.65s +02° 17' 26.7" P.A. 258.00 sep 2.3 mag 10.98,11.18
Coord 2000 |
21210+0217 |
|
Discov num |
HEI 408 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 20 57.65 +02 17 26.7 |
|
Date first |
1986 |
|
Date last |
2016 |
|
Obs |
10 |
|
Pa first |
258 |
|
Pa last |
257.8 |
|
P.A. Now (θ) |
257.8° |
|
Sep first |
2.1 |
|
Sep last |
2.302 |
|
Sep. Now (ρ) |
2.302" |
|
Mag pri |
10.98 |
|
Mag sec |
11.18 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
Pri motion ra |
-008 |
|
Sec motion ra |
-014 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
+000 |
|
Notes |
N
(See Notes) |
|
rPM=0.452
Nature of this double is uncertain.
21210+0217 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
21 20 58 +02 17 27 |
BAL 1586 Aa,Ab |
1966 |
1 |
111 |
0.6 |
11.60 |
11.80 |
0.20 |
|
|
Show |
|
|
21 20 58 +02 17 27 |
HEI 408 AB |
2016 |
10 |
258 |
2.3 |
10.98 |
11.18 |
0.20 |
|
<=== |
Show |
|
|
21 20 58 +02 17 27 |
HEI 408 AC |
2015 |
9 |
273 |
55.5 |
10.96 |
11.70 |
0.74 |
|
|
Show |
|
|
21 20 58 +02 17 27 |
HEI 408 AD |
2015 |
9 |
111 |
95.2 |
10.96 |
11.92 |
0.96 |
|
|
Show |
|
|
21 21 04 +02 16 52 |
HEI 408 DE |
2015 |
12 |
106 |
54.5 |
11.92 |
11.16 |
0.76 |
|
|
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquarius |
|
Tycho2 |
0532-00766-1 |
|
Gaia DR2 |
2692210334358126208 |
|