21006+5432 HJ 1605 DE
21h 00m 20.44s +54° 29' 03.7" P.A. 118.00 sep 21.3 mag 11.38,12.60
| Coord 2000 |
21006+5432 |
|
Discov num |
HJ 1605 |
|
Comp |
DE |
|
Coord arcsec 2000 |
21 00 20.44 +54 29 03.7 |
|
| Date first |
1909 |
|
Date last |
2018 |
|
Obs |
9 |
|
| Pa first |
120 |
|
Pa last |
117.8 |
|
P.A. Now (θ) |
117.8° |
|
| Sep first |
20.8 |
|
Sep last |
21.285 |
|
Sep. Now (ρ) |
21.285" |
|
| Mag pri |
11.38 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
1.22 |
|
Spectral class |
|
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
+006 |
|
| Notes |
N
(See Notes) |
|
rPM=0.535
Nature of this double is uncertain.
21006+5432 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 235422 |
33060 |
21 00 35 +54 31 46 |
HJ 1606 AB |
2016 |
15 |
184 |
18.7 |
9.62 |
11.70 |
2.08 |
|
|
| Show |
|
33060 |
21 00 35 +54 31 46 |
BU 1498 AC |
2015 |
7 |
336 |
54.3 |
9.62 |
12.90 |
3.28 |
|
|
| Show |
|
33060 |
21 00 35 +54 31 46 |
HJ 1605 AD |
2015 |
10 |
219 |
207.5 |
9.62 |
11.38 |
1.76 |
|
|
| Show |
|
|
21 00 20 +54 29 04 |
HJ 1605 DE |
2018 |
9 |
118 |
21.3 |
11.38 |
12.60 |
1.22 |
|
<=== |
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3956-01375-1 |
|
Gaia DR2 |
2188751965824425088 |
|
