21040+2841 HJ 1609 AB (HD 335475)
21h 04m 00.82s +28° 40' 41.1" P.A. 36.00 sep 8.1 mag 11.04,11.22 Sp A5
Coord 2000 |
21040+2841 |
|
Discov num |
HJ 1609 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 04 00.82 +28 40 41.1 |
|
Date first |
1828 |
|
Date last |
2018 |
|
Obs |
20 |
|
Pa first |
40 |
|
Pa last |
35.8 |
|
P.A. Now (θ) |
35.8° |
|
Sep first |
5.0 |
|
Sep last |
8.084 |
|
Sep. Now (ρ) |
8.084" |
|
Mag pri |
11.04 |
|
Mag sec |
11.22 |
|
delta mag (ΔM) |
0.18 |
|
Spectral class |
A5 (white) |
|
Pri motion ra |
-011 |
|
Sec motion ra |
-011 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-007 |
|
Notes |
T
(Parallax indicates physical) |
|
rPM=0.074 (< 0.3, Physical double)
This double is 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
Name |
HD 335475 |
|
Constellation |
Cygnus |
|
Tycho2 |
2184-00378-1 |
|
Gaia DR2 |
1846110431404377472 |
|
HD |
335475 |
|