21040+2841 HJ 1609 CD
21h 04m 01.39s +28° 41' 27.3" P.A. 193.00 sep 6.1 mag 13.50,13.80
| Coord 2000 |
21040+2841 |
|
Discov num |
HJ 1609 |
|
Comp |
CD |
|
Coord arcsec 2000 |
21 04 01.39 +28 41 27.3 |
|
| Date first |
1927 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
195 |
|
Pa last |
193.3 |
|
P.A. Now (θ) |
193.3° |
|
| Sep first |
4.9 |
|
Sep last |
6.095 |
|
Sep. Now (ρ) |
6.095" |
|
| Mag pri |
13.50 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
-014 |
|
| Notes |
|
|
rPM=1.116
This double is not physical.
21040+2841 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 335475 |
|
21 04 01 +28 40 41 |
HJ 1609 AB |
2018 |
20 |
36 |
8.1 |
11.04 |
11.22 |
0.18 |
|
|
| Show |
|
|
21 04 01 +28 41 27 |
HJ 1609 CD |
2015 |
7 |
193 |
6.1 |
13.50 |
13.80 |
0.30 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1846116379940892288 |
|
