WDS 18138-2104 : COMPONENTS
|
A |
B |
C |
D |
B |
pa=257.6°
sep=16.77"
| |
C |
pa=121.0°
sep=24.22"
| pa=103.4°
sep=38.18"
| |
D |
pa=314.1°
sep=46.43"
| pa=334.7°
sep=39.71"
| pa=309.6°
sep=70.23"
| |
E |
pa=115.8°
sep=47.44"
| pa=106.1°
sep=61.50"
| pa=110.4°
sep=23.43"
| pa=124.8°
sep=92.68"
|
18138-2104 A
Common name |
Polis |
|
Coord arcsec 2000 |
181345.81-210331.8 |
|
Mag |
3.85 |
|
Spectral class |
B8Iape (blue-white) |
|
PmRA |
0.00 |
|
PmDE |
-1.0 |
|
SAO |
186497 |
|
HIP |
89341 |
|
Tycho2 |
6276-03093-1 |
|
HD |
166937 |
|
HR |
6812 |
|
GC |
24856 |
|
BD |
BD-21 4908 |
|
Bayer |
Mu Sagittarii |
|
Bayer name |
Mu Sgr |
|
Flamsteed |
13 Sagittarii |
|
Flamsteed name |
13 Sgr |
|
FK5 |
682 |
|
Tycho2 |
6276-03093-1 |
|
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 |
4.043 |
|
E BTmag |
0.014 |
|
VTmag |
3.845 |
|
E VTmag |
0.009 |
|
Prox |
485 |
|
TYC |
T |
|
HIP |
89341 |
|
CCDM |
|
|
RAdeg |
273.44086806 |
|
DEdeg |
-21.05883056 |
|
EpRA 1990 |
1.83 |
|
EpDE 1990 |
1.78 |
|
E RAdeg |
3.2 |
|
E DEdeg |
3.5 |
|
Posflg |
|
|
Corr |
0.0 |
|
SAO |
186497 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0002 |
|
DE1950 |
|
|
PmDE1950 |
0.001 |
|
Vmag |
4 |
|
SpType |
B8p |
|
Double code |
|
|
Source |
74 |
|
CatNum |
682 |
|
DM |
BD-21 4908 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
166937 |
|
M HD |
0 |
|
GC |
24856 |
|
RA1950rad |
4.75939098 |
|
DE1950rad |
-0.36780614 |
|
PmRA2000 |
0.0002 |
|
PmDE2000 |
0.002 |
|
Catalog |
H |
|
HIP |
89341 |
|
Proxy |
|
|
RAhms |
18 13 45.81 |
|
DEdms |
-21 03 31.8 |
|
Vmag |
3.84 |
|
VarFlag |
2 |
|
R Vmag |
T |
|
RAdeg |
273.441 |
|
DEdeg |
-21.0588 |
|
AstroRef |
|
|
Plx |
0.11 |
|
CCDM |
18138-2104 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
S |
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
166937 |
|
BD |
BD-21 4908 |
|
CD |
|
|
CP |
|
|
Dm number |
-21 4908 |
|
VIred |
0.38 |
|
SpType |
B2III: |
|
R SpType |
|
|
Coord arcsec 2000 |
181345.81-210331.8 |
|
HIP |
89341 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
4.7724434803 |
|
DErad |
-0.3675459292 |
|
Plx |
0.09 |
|
PmRA |
0.3 |
|
PmDE |
-0.48 |
|
E RArad |
0.22 |
|
E DErad |
0.16 |
|
E Plx |
0.28 |
|
E pmRA |
0.3 |
|
E pmDE |
0.19 |
|
Hpmag |
3.8729 |
|
E Hpmag |
0.0055 |
|
SHp |
0.034 |
|
VA |
2 |
|
BV |
0.195 |
|
E BV |
0.005 |
|
VI |
0.21 |
|
Ccdm |
18138-2104 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-1.96 |
|
DDEs |
29.6 |
|
R dRAs |
41 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
5 |
|
Vmag |
4.0 |
|
Sp |
B8 |
|
PmNote |
* |
|
PmRA |
2 |
|
PmDE |
1 |
|
Dm number |
-21 4908 |
|
Cat1 |
BD |
|
Name2 |
186497 |
|
Cat2 |
SAO |
|
HD |
166937 |
|
M HD |
|
|
ADS BDS |
A11169 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18078S2105A |
|
HIC |
89341 |
|
18138-2104 B
Coord arcsec 2000 |
181344.64-210335.4 |
|
Coord calc |
181344.64-210335.4 |
|
Mag |
10.48 |
|
Spectral class |
B9III (blue-white) |
|
PmRA |
2.00 |
|
PmDE |
-11.0 |
|
Calc delta mag |
6.63 |
|
Ccdm |
18138-2104 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
H 7 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1836 |
|
Theta |
258 |
|
Rho |
16.9 |
|
Obs |
12 |
|
Vmag |
11.5 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A11169 |
|
M ADS BDS |
N |
|
N IDS |
|
|
IDS |
18078S2105B |
|
HIC |
|
|
18138-2104 C
Coord arcsec 2000 |
181347.29-210344.3 |
|
Mag |
12.8 |
|
PmRA |
5.00 |
|
PmDE |
-5.0 |
|
Calc delta mag |
8.95 |
|
Calc coord |
yes |
|
Ccdm |
18138-2104 |
|
RComp |
|
|
Comp |
C |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
BU 292 |
|
DRAs |
-0.54 |
|
DDEs |
16.8 |
|
R dRAs |
41 |
|
Year |
1878 |
|
Theta |
119 |
|
Rho |
25.8 |
|
Obs |
5 |
|
Vmag |
13.5 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A11169 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18078S2105C |
|
HIC |
|
|
18138-2104 D
Coord arcsec 2000 |
181343.43-210259.5 |
|
Mag |
9.96 |
|
PmRA |
1.00 |
|
PmDE |
0.0 |
|
Calc delta mag |
6.11 |
|
Calc coord |
yes |
|
Ccdm |
18138-2104 |
|
RComp |
|
|
Comp |
D |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
HJ 2822 |
|
DRAs |
-4.76 |
|
DDEs |
61.8 |
|
R dRAs |
41 |
|
Year |
1835 |
|
Theta |
312 |
|
Rho |
48.5 |
|
Obs |
11 |
|
Vmag |
9.9 |
|
Sp |
B3 |
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
-21 4907 |
|
Cat1 |
BD |
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A11169 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18078S2105D |
|
HIC |
|
|
18138-2104 E
Coord arcsec 2000 |
181348.86-210352.5 |
|
Mag |
9.22 |
|
PmRA |
3.00 |
|
PmDE |
-4.0 |
|
Calc delta mag |
5.37 |
|
Calc coord |
yes |
|
Ccdm |
18138-2104 |
|
RComp |
|
|
Comp |
E |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
HJ 2822 |
|
DRAs |
1.16 |
|
DDEs |
8.2 |
|
R dRAs |
41 |
|
Year |
1835 |
|
Theta |
115 |
|
Rho |
50.0 |
|
Obs |
10 |
|
Vmag |
9.4 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
-21 4909 |
|
Cat1 |
BD |
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A11169 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18078S2105E |
|
HIC |
|
|