21576+6708 HJ 1711 AB (HD 209020)
21h 57m 33.74s +67° 08' 25.1" P.A. 255.00 sep 8.8 mag 8.23,10.90 Sp F5+A
| Coord 2000 |
21576+6708 |
|
Discov num |
HJ 1711 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 57 33.74 +67 08 25.1 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
250 |
|
Pa last |
255 |
|
P.A. Now (θ) |
255° |
|
| Sep first |
12.0 |
|
Sep last |
8.831 |
|
Sep. Now (ρ) |
8.831" |
|
| Mag pri |
8.23 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
2.67 |
|
Spectral class |
F5+A (yellow-white/white) |
|
| Pri motion ra |
-007 |
|
Sec motion ra |
+030 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
+019 |
|
| Notes |
|
|
rPM=1.212
This double is not physical.
21576+6708 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 209020 |
19766 |
21 57 34 +67 08 25 |
HJ 1711 AB |
2015 |
11 |
255 |
8.8 |
8.23 |
10.90 |
2.67 |
|
<=== |
| Show |
|
19766 |
21 57 34 +67 08 25 |
ACA 8 AC |
2006 |
3 |
323 |
71.9 |
8.23 |
13.00 |
4.77 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 209020 |
|
Constellation |
Cepheus |
|
SAO |
19766 |
|
Tycho2 |
4274-00729-1 |
|
| Gaia DR2 |
2219605529109698048 |
|
HD |
209020 |
|
