WDS 21287+7034 : COMPONENTS
| |
A |
Ab |
| Ab |
pa=199.0°
sep=0.13"
| |
| B |
pa=222.1°
sep=6.36"
| pa=222.6°
sep=6.24"
|
21287+7034 A
| Common name |
Alfirk |
|
Meaning |
Raw |
|
Other names |
ALPHIRK |
|
Coord arcsec 2000 |
212839.58+703338.5 |
|
| Mag |
3.17 |
|
Spectral class |
B1IV (blue-white) |
|
PmRA |
13.00 |
|
PmDE |
8.0 |
|
| SAO |
10057 |
|
HIP |
106032 |
|
Tycho2 |
4465-02643-1 |
|
HD |
205021 |
|
| HR |
8238 |
|
GC |
30118 |
|
BD |
BD+69 1173 |
|
Bayer |
Beta Cephei |
|
| Bayer name |
Bet Cep |
|
Flamsteed |
8 Cephei |
|
Flamsteed name |
8 Cep |
|
FK5 |
809 |
|
| Tycho2 |
4465-02643-1 |
|
Pflag |
X |
|
RAmdeg |
|
|
DEmdeg |
|
|
| PmRA |
|
|
PmDE |
|
|
E RAmdeg |
|
|
E DEmdeg |
|
|
| E pmRA |
|
|
E pmDE |
|
|
EpRAm |
|
|
EpDEm |
|
|
| Num |
|
|
Q RAmdeg |
|
|
Q DEmdeg |
|
|
Q pmRA |
|
|
| Q pmDE |
|
|
BTmag |
2.937 |
|
E BTmag |
0.014 |
|
VTmag |
3.173 |
|
| E VTmag |
0.009 |
|
Prox |
134 |
|
TYC |
T |
|
HIP |
106032 |
|
| CCDM |
|
|
RAdeg |
322.16490028 |
|
DEdeg |
70.56069500 |
|
EpRA 1990 |
1.75 |
|
| EpDE 1990 |
1.76 |
|
E RAdeg |
3.2 |
|
E DEdeg |
3.3 |
|
Posflg |
|
|
| Corr |
0.1 |
|
| SAO |
10057 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.002 |
|
| DE1950 |
|
|
PmDE1950 |
0.013 |
|
Vmag |
3.3 |
|
SpType |
B1 |
|
| Double code |
|
|
Source |
74 |
|
CatNum |
809 |
|
DM |
BD+69 1173 |
|
| DMcomp |
|
|
BDsup |
|
|
HD |
205021 |
|
M HD |
0 |
|
| GC |
30118 |
|
RA1950rad |
5.6200566 |
|
DE1950rad |
1.22768326 |
|
PmRA2000 |
0.0024 |
|
| PmDE2000 |
0.008 |
|
| Catalog |
H |
|
HIP |
106032 |
|
Proxy |
|
|
RAhms |
21 28 39.58 |
|
| DEdms |
+70 33 38.5 |
|
Vmag |
3.23 |
|
VarFlag |
1 |
|
R Vmag |
H |
|
| RAdeg |
322.165 |
|
DEdeg |
70.5607 |
|
AstroRef |
|
|
Plx |
5.48 |
|
| CCDM |
21287+7034 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
| MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
| Theta |
|
|
Rho |
|
|
HD |
205021 |
|
BD |
BD+69 1173 |
|
| CD |
|
|
CP |
|
|
Dm number |
+69 1173 |
|
VIred |
-0.25 |
|
| SpType |
B2IIIv SB |
|
R SpType |
|
|
Coord arcsec 2000 |
212839.58+703338.5 |
|
| HIP |
106032 |
|
Sn |
1 |
|
So |
0 |
|
Nc |
1 |
|
| RArad |
5.6228381573 |
|
DErad |
1.2315164467 |
|
Plx |
4.76 |
|
PmRA |
12.54 |
|
| PmDE |
8.39 |
|
E RArad |
0.3 |
|
E DErad |
0.26 |
|
E Plx |
0.3 |
|
| E pmRA |
0.37 |
|
E pmDE |
0.27 |
|
Hpmag |
3.1438 |
|
E Hpmag |
0.0022 |
|
| SHp |
0.013 |
|
VA |
1 |
|
BV |
-0.201 |
|
E BV |
0.003 |
|
| VI |
-0.25 |
|
| Ccdm |
21287+7034 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
| Note2 |
|
|
Discov num |
|
|
DRAs |
-2.39 |
|
DDEs |
-21.3 |
|
| R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
| Obs |
3 |
|
Vmag |
3.3 |
|
Sp |
B1 |
|
PmNote |
* |
|
| PmRA |
10 |
|
PmDE |
13 |
|
Dm number |
+69 1173 |
|
Cat1 |
BD |
|
| Name2 |
10057 |
|
Cat2 |
SAO |
|
HD |
205021 |
|
M HD |
|
|
| ADS BDS |
A15032 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
21274N7007A |
|
| HIC |
106032 |
|
21287+7034 Ab
| Coord arcsec 2000 |
212839.57+703338.4 |
|
Mag |
6.6 |
|
Calc delta mag |
3.4 |
|
Calc coord |
yes |
|
21287+7034 B
| Coord arcsec 2000 |
212838.73+703333.8 |
|
Mag |
8.63 |
|
PmRA |
10.00 |
|
PmDE |
6.0 |
|
| Calc delta mag |
5.43 |
|
Calc coord |
yes |
|
| Ccdm |
21287+7034 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
| Note2 |
|
|
Discov num |
STF2806 |
|
DRAs |
|
|
DDEs |
|
|
| R dRAs |
|
|
Year |
1832 |
|
Theta |
250 |
|
Rho |
13.6 |
|
| Obs |
30 |
|
Vmag |
8.0 |
|
Sp |
|
|
PmNote |
|
|
| PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
| Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
| ADS BDS |
A15032 |
|
M ADS BDS |
N |
|
N IDS |
|
|
IDS |
21274N7007B |
|
| HIC |
|
|
