20273-1813 CHR 184 Aa,Ab
20h 27m 19.20s -18° 12' 42.1" P.A. 50.00 sep 0.1 mag 5.30,7.90 Sp B8II-III dist. 167.22 pc (545.47 l.y.)
Coord 2000 |
20273-1813 |
|
Discov num |
CHR 184 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
20 27 19.20 -18 12 42.1 |
|
Date first |
1992 |
|
Date last |
2009 |
|
Obs |
2 |
|
Pa first |
306 |
|
Pa last |
50 |
|
P.A. Now (θ) |
50° |
|
Sep first |
0.1 |
|
Sep last |
0.071 |
|
Sep. Now (ρ) |
0.071" |
|
Mag pri |
5.30 |
|
Mag sec |
7.90 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
B8II-III (blue-white) |
|
Pri motion ra |
+011 |
|
Sec motion ra |
|
|
Pri motion dec |
-012 |
|
Sec motion dec |
|
|
Notes |
N
X
(See Notes, Dubious double) |
|
Nature of this double is uncertain.
20273-1813 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
163592 |
20 27 19 -18 12 42 |
CHR 184 Aa,Ab |
2009 |
2 |
50 |
0.1 |
5.30 |
7.90 |
2.60 |
|
<=== |
Show |
Pi Cap |
163592 |
20 27 19 -18 12 42 |
BU 60 AB |
2019 |
69 |
148 |
3.5 |
5.13 |
8.53 |
3.40 |
|
|
Show |
|
163592 |
20 27 19 -18 12 42 |
BU 296 AC |
1999 |
4 |
40 |
37.9 |
5.13 |
14.10 |
8.97 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Capricornus |
|
SAO |
163592 |
|
HIP |
100881 |
|
Tycho2 |
6333-02129-2 |
|
Gaia DR2 |
6860902873140593152 |
|
HD |
194636 |
|
HR |
7814 |
|
GC |
28442 |
|
ADS |
13860 |
|
BD |
BD-18 5685 |
|
Bayer |
Pi Capricorni |
|
Bayer name |
Pi Cap |
|
Flamsteed |
10 Capricorni |
|
Flamsteed name |
10 Cap |
|
Distance |
167.22 |
|
Distance ly |
545.47 |
|
Bayer greek |
π Cap |
|
WDS 20273-1813 CHR 184 Aa,Ab : NOTES
discov_num |
notes |
refcode |
CHR 184 |
Aa,Ab: pi Cap = 10 Cap. The suspected radial velocity variation may |
|
|
well be explained by the close pair. |
|
|
Abt & Biggs (1972) note variable RV. |
AbH1972 |
REFERENCES
refcode |
metd |
author |
reference |
AbH1972 |
- |
Abt. H.A. & Biggs, E.S. |
1972bsrv.book.....A |
AbH1972 |
|
Bibliography of Stellar Radial Velocities |
|
DISCOVERER
idgroup |
discov |
author |
1 |
BU |
Burnham, S.W. (BU 1 - 81) |
179 |
CHR |
Center for High Ang. Res. Astronomy (speckle interferometry systems) |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20273-1813 |
CHR 184 |
Aa,Ab |
1992 |
1 |
306 |
0.1 |
5.25 |
|
B8II-III |
N |
202719.20-181242.1 |
20273-1813 |
CHR 184 |
Aa,Ab |
2009 |
2 |
50 |
0.1 |
5.30 |
7.90 |
B8II-III |
N |
202719.20-181242.1 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20273-1813 CHR 184 Aa,Ab : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20273-1813 CHR 184 Aa,Ab : MEASURES
No records found.
WDS 20273-1813 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 20273-1813 : ALADIN DSS IMAGE @ 20h 27m 19.20s -18° 12' 42.1"
WDS 20273-1813 CHR 184 Aa,Ab : NEIGHBORHOODS
|
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
Show |
name |
coord_2000 |
discov# |
comp |
pa |
sep |
dist(') |
Show |
|
20273-1813 |
CHR 184 |
Aa,Ab |
50 |
0.1 |
|
Show |
|
20273-1813 |
BU 60 |
AB |
148 |
3.5 |
|
Show |
|
20273-1813 |
BU 296 |
AC |
40 |
37.9 |
|
Show |
|
20289-1749 |
DOB 13 |
DE |
93 |
53.5 |
32 |
Show |
|
20289-1749 |
BU 61 |
BC |
149 |
53.5 |
33 |
Show |
|
20289-1749 |
SHJ 323 |
AB |
189 |
1.7 |
33 |
Show |
|
20289-1749 |
SHJ 323 |
AD |
150 |
258.7 |
33 |
Show |
|
20289-1749 |
BU 61 |
AC |
150 |
54.6 |
33 |
Show |
|
20268-1851 |
HU 586 |
|
118 |
0.6 |
39 |
Show |
|
20277-1731 |
ARA 302 |
|
270 |
6.2 |
43 |
Show |
|
20299-1835 |
SHJ 324 |
AB |
238 |
22.0 |
43 |
Show |
|
20293-1847 |
ARA 800 |
|
112 |
14.3 |
45 |
Show |
|
20274-1909 |
B 2485 |
|
116 |
1.8 |
58 |
Show |
|
20311-1842 |
LDS4847 |
|
23 |
2.9 |
63 |
Show |
|
20234-1902 |
ARA 799 |
|
304 |
6.6 |
76 |
Show |
|
20224-1841 |
B 479 |
|
117 |
2.3 |
77 |
Show |
|
20299-1702 |
FEN 38 |
|
225 |
4.5 |
77 |
Show |
|
20289-1928 |
SHN 245 |
|
-1 |
0.1 |
80 |
Show |
|
20330-1752 |
ARA 497 |
AB |
65 |
13.5 |
84 |
Show |
|
20330-1752 |
GMC 27 |
AC |
95 |
26.6 |
84 |
Show |
|
20220-1854 |
DON1119 |
|
198 |
5.1 |
88 |
Show |
|
20210-1819 |
OCC 824 |
|
-1 |
0.1 |
90 |
Show |
|
20221-1721 |
LDS6340 |
|
356 |
7.2 |
92 |
Show |
|
20209-1809 |
OCC 825 |
|
-1 |
0.1 |
92 |
Show |
|
20292-1943 |
GWP2958 |
|
276 |
49.3 |
95 |
Show |
|
20219-1909 |
ARA 797 |
|
46 |
5.1 |
96 |
Show |
|
20248-1943 |
HDS2919 |
|
277 |
0.1 |
97 |
Show |
|
20201-1730 |
UC 4149 |
AB |
105 |
51.9 |
112 |
Show |
|
20201-1730 |
KPP4395 |
AC |
76 |
5.1 |
112 |
Show |
|
20332-1658 |
RST3263 |
|
79 |
0.8 |
112 |
Show |
|
20242-1956 |
ARA1208 |
|
307 |
12.9 |
112 |
Show |
|
20346-1856 |
UC 4219 |
AB |
177 |
61.5 |
112 |
Show |
|
20305-1955 |
OCC 190 |
|
-1 |
0.1 |
113 |
Show |
|
20222-1647 |
H N 138 |
|
327 |
3.3 |
113 |
Show |
|
20342-1913 |
UC 4217 |
|
245 |
25.2 |
116 |
Show |
|
20204-1919 |
WSP 68 |
AB |
120 |
13.1 |
119 |
Show |
|
20204-1919 |
WSP 68 |
AC |
189 |
21.3 |
119 |
Show |
|
20204-1919 |
WSP 68 |
AD |
310 |
21.4 |
119 |
Show |
|
20204-1919 |
WSP 68 |
AE |
49 |
23.1 |
119 |
Show |
|
20325-1637 |
SEE 512 |
|
127 |
0.3 |
122 |
Show |
|
20209-1939 |
BU 662 |
BC |
297 |
2.2 |
124 |
Show |
|
20359-1758 |
HU 269 |
|
340 |
2.7 |
124 |
Show |
|
20187-1751 |
UC 4142 |
|
195 |
40.8 |
125 |
Show |
|
20209-1939 |
BU 662 |
AB |
4 |
125.2 |
125 |
Show |
|
20194-1907 |
H 5 87 |
|
180 |
56.0 |
126 |
Show |
|
20362-1828 |
HJ 2980 |
|
202 |
19.6 |
127 |
Show |
|
20359-1738 |
ARA 304 |
|
212 |
7.4 |
127 |
Show |
|
20364-1807 |
GWP2969 |
AB |
40 |
109.0 |
131 |
Show |
|
20270-2023 |
DON 986 |
|
127 |
0.6 |
131 |
Show |
|
20320-2006 |
ARA1209 |
|
278 |
5.8 |
131 |
Show |
|
20364-1807 |
GWP2970 |
BC |
350 |
8.3 |
132 |
|
|
WDS 20273-1813 : COMPONENTS
|
A |
Ab |
B |
Ab |
pa=48.5°
sep=0.07"
| |
B |
pa=149.1°
sep=3.41"
| pa=150.2°
sep=3.42"
| |
C |
pa=38.8°
sep=37.10"
| pa=38.7°
sep=37.04"
| pa=34.0°
sep=38.42"
|
20273-1813 A
Name |
Pi Cap |
|
Coord arcsec 2000 |
202719.20-181242.1 |
|
Mag |
5.13 |
|
Spectral class |
B8II (blue-white) |
|
PmRA |
11.00 |
|
PmDE |
-12.0 |
|
SAO |
163592 |
|
HIP |
100881 |
|
Tycho2 |
6333-02129-2 |
|
HD |
194636 |
|
HR |
7814 |
|
GC |
28442 |
|
BD |
BD-18 5685 |
|
Bayer |
Pi Capricorni |
|
Bayer name |
Pi Cap |
|
Flamsteed |
10 Capricorni |
|
Flamsteed name |
10 Cap |
|
Tycho2 |
6333-02129-2 |
|
Pflag |
|
|
RAmdeg |
306.83004169 |
|
DEmdeg |
-18.21172389 |
|
PmRA |
11.0 |
|
PmDE |
-12.2 |
|
E RAmdeg |
3 |
|
E DEmdeg |
4 |
|
E pmRA |
0.5 |
|
E pmDE |
0.4 |
|
EpRAm |
1991.16 |
|
EpDEm |
1990.23 |
|
Num |
24 |
|
Q RAmdeg |
2.0 |
|
Q DEmdeg |
2.0 |
|
Q pmRA |
1.8 |
|
Q pmDE |
2.2 |
|
BTmag |
5.042 |
|
E BTmag |
0.014 |
|
VTmag |
5.130 |
|
E VTmag |
0.009 |
|
Prox |
34 |
|
TYC |
T |
|
HIP |
100881 |
|
CCDM |
A |
|
RAdeg |
306.83001528 |
|
DEdeg |
-18.21169444 |
|
EpRA 1990 |
1.81 |
|
EpDE 1990 |
1.41 |
|
E RAdeg |
3.3 |
|
E DEdeg |
3.8 |
|
Posflg |
|
|
Corr |
-0.4 |
|
SAO |
163592 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0009 |
|
DE1950 |
|
|
PmDE1950 |
-0.01 |
|
Vmag |
5.2 |
|
SpType |
B8 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
28442 |
|
DM |
BD-18 5685 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
194636 |
|
M HD |
0 |
|
GC |
28442 |
|
RA1950rad |
5.34271663 |
|
DE1950rad |
-0.32074037 |
|
PmRA2000 |
0.001 |
|
PmDE2000 |
-0.011 |
|
Catalog |
H |
|
HIP |
100881 |
|
Proxy |
H |
|
RAhms |
20 27 19.20 |
|
DEdms |
-18 12 42.1 |
|
Vmag |
5.08 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
306.83 |
|
DEdeg |
-18.2117 |
|
AstroRef |
A |
|
Plx |
4.9 |
|
CCDM |
20273-1813 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AB |
|
Theta |
147 |
|
Rho |
3.416 |
|
HD |
194636 |
|
BD |
BD-18 5685 |
|
CD |
|
|
CP |
|
|
Dm number |
-18 5685 |
|
VIred |
-0.05 |
|
SpType |
B4V |
|
R SpType |
|
|
Coord arcsec 2000 |
202719.20-181242.1 |
|
HIP |
100881 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
5.3551940039 |
|
DErad |
-0.3178540243 |
|
Plx |
5.98 |
|
PmRA |
11.89 |
|
PmDE |
-11.35 |
|
E RArad |
0.49 |
|
E DErad |
0.31 |
|
E Plx |
0.58 |
|
E pmRA |
0.65 |
|
E pmDE |
0.43 |
|
Hpmag |
5.0747 |
|
E Hpmag |
0.0005 |
|
SHp |
0.005 |
|
VA |
0 |
|
BV |
-0.049 |
|
E BV |
0.006 |
|
VI |
-0.03 |
|
Ccdm |
20273-1813 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
1.22 |
|
DDEs |
18.0 |
|
R dRAs |
10 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
3 |
|
Vmag |
5.2 |
|
Sp |
B8 |
|
PmNote |
* |
|
PmRA |
13 |
|
PmDE |
-9 |
|
Dm number |
-18 5685 |
|
Cat1 |
BD |
|
Name2 |
163592 |
|
Cat2 |
SAO |
|
HD |
194636 |
|
M HD |
|
|
ADS BDS |
A13860 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20216S1832A |
|
HIC |
100881 |
|
20273-1813 Ab
Coord arcsec 2000 |
202719.20-181242.1 |
|
Mag |
7.9 |
|
Spectral class |
III |
|
Calc delta mag |
2.6 |
|
Calc coord |
yes |
|
20273-1813 B
Coord arcsec 2000 |
202719.32-181245.0 |
|
Mag |
8.53 |
|
Spectral class |
III |
|
PmRA |
10.00 |
|
PmDE |
-11.0 |
|
Calc delta mag |
3.23 |
|
Calc coord |
yes |
|
Ccdm |
20273-1813 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
BU 60 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1955 |
|
Theta |
148 |
|
Rho |
3.2 |
|
Obs |
99 |
|
Vmag |
8.8 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A13860 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20216S1832B |
|
HIC |
100881 |
|
20273-1813 C
Coord arcsec 2000 |
202720.83-181213.2 |
|
Mag |
14.1 |
|
Spectral class |
III |
|
Calc delta mag |
8.8 |
|
Calc coord |
yes |
|
Ccdm |
20273-1813 |
|
RComp |
|
|
Comp |
C |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
BU 296 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1898 |
|
Theta |
044 |
|
Rho |
38.1 |
|
Obs |
1 |
|
Vmag |
14.1 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A13860 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
20216S1832C |
|
HIC |
|
|