WDS 18020-2731 : COMPONENTS
| |
A |
B |
| B |
pa=162.8°
sep=2.38"
| |
| C |
pa=46.7°
sep=5.40"
| pa=28.4°
sep=6.80"
|
18020-2731 A
| Name |
HD 164404 |
|
Coord arcsec 2000 |
180202.85-273053.4 |
|
Mag |
8.49 |
|
Spectral class |
B2V (blue-white) |
|
| PmRA |
-11.00 |
|
PmDE |
26.0 |
|
Tycho2 |
6850-02107-1 |
|
HD |
164404 |
|
| ADS |
10984 |
|
DM |
CD-2712272 |
|
| Tycho2 |
6850-02107-1 |
|
Pflag |
|
|
RAmdeg |
270.51190071 |
|
DEmdeg |
-27.51485604 |
|
| PmRA |
-12.5 |
|
PmDE |
34.9 |
|
E RAmdeg |
6 |
|
E DEmdeg |
8 |
|
| E pmRA |
2.7 |
|
E pmDE |
1.9 |
|
EpRAm |
1991.67 |
|
EpDEm |
1991.14 |
|
| Num |
3 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
8.0 |
|
Q pmRA |
1.0 |
|
| Q pmDE |
8.1 |
|
BTmag |
8.376 |
|
E BTmag |
0.017 |
|
VTmag |
8.491 |
|
| E VTmag |
0.015 |
|
Prox |
29 |
|
TYC |
T |
|
HIP |
|
|
| CCDM |
|
|
RAdeg |
270.51193250 |
|
DEdeg |
-27.51493389 |
|
EpRA 1990 |
1.84 |
|
| EpDE 1990 |
1.84 |
|
E RAdeg |
5.7 |
|
E DEdeg |
7.5 |
|
Posflg |
D |
|
| Corr |
0.0 |
|
18020-2731 B
| Coord arcsec 2000 |
180202.90-273055.7 |
|
Mag |
9.31 |
|
PmRA |
0.00 |
|
PmDE |
0.0 |
|
| Calc delta mag |
0.82 |
|
Calc coord |
yes |
|
18020-2731 C
| Coord arcsec 2000 |
180203.15-273049.7 |
|
Mag |
14.1 |
|
Calc delta mag |
5.61 |
|
Calc coord |
yes |
|
