15462-2804 CHR 50 Aa,Ab
15h 46m 12.89s -28° 03' 41.1" P.A. 287.00 sep 0.1 mag 6.61, Sp F2IV dist. 71.12 pc (231.99 l.y.)
Coord 2000 |
15462-2804 |
|
Discov num |
CHR 50 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
15 46 12.89 -28 03 41.1 |
|
Date first |
1983 |
|
Date last |
2006 |
|
Obs |
4 |
|
Pa first |
71 |
|
Pa last |
286.8 |
|
P.A. Now (θ) |
286.8° |
|
Sep first |
0.2 |
|
Sep last |
0.131 |
|
Sep. Now (ρ) |
0.131" |
|
Mag pri |
6.61 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
F2IV (yellow-white) |
|
Pri motion ra |
-060 |
|
Sec motion ra |
|
|
Pri motion dec |
-019 |
|
Sec motion dec |
|
|
Notes |
N
X
(See Notes, Dubious double) |
|
Nature of this double is uncertain.
15462-2804 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
183772 |
15 46 13 -28 03 41 |
CHR 50 Aa,Ab |
2006 |
4 |
287 |
0.1 |
6.61 |
|
|
|
<=== |
Show |
HD 140722 |
183772 |
15 46 13 -28 03 41 |
BU 620 AB |
2021 |
65 |
355 |
0.7 |
7.58 |
7.03 |
0.55 |
Y |
|
Show |
|
183772 |
15 46 13 -28 03 41 |
HJ 4803 AC |
2016 |
26 |
213 |
50.5 |
7.58 |
8.97 |
1.39 |
|
|
Show |
|
|
15 46 11 -28 04 23 |
KOH 49 Ca,Cb |
2021 |
10 |
187 |
0.1 |
8.00 |
8.70 |
0.70 |
Y |
|
Quintuple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Libra |
|
SAO |
183772 |
|
HIP |
77235 |
|
Tycho2 |
6786-02143-1 |
|
Gaia DR2 |
6233447046421213056 |
|
HD |
140722 |
|
HR |
5856 |
|
ADS |
9775 |
|
CD |
CD-2710550 |
|
CP |
CP-27 5250 |
|
Distance |
71.12 |
|
Distance ly |
231.99 |
|
WDS 15462-2804 CHR 50 Aa,Ab : NOTES
discov_num |
notes |
refcode |
HU 620 |
The binary companion B discovered by S.W. Burnham in 1878 moved since |
Bu_1879 |
|
then by +6deg in angle, now at 0.63" separation. Considering this |
|
|
slow motion, the pair is likely much wider than it seems, being seen |
|
|
in projection. The sub-system CHR 50 Aa,Ab was discovered by speckle |
|
|
interferometry in 1983.42 at 0.20" (McAlister et al. 1987). A total of |
Mca1987b |
|
four measures are listed, the last one in 2006.19. Curiously, the wide |
Msn2009 |
|
pair AB was measured with speckle at 4-m telescopes several times (in |
|
|
1985.50, 1989.31, 1991.39) without resolving the sub-system. We |
Mca1990 |
|
measured the AB and found no trace of CHR 50 in three runs at SOAR in |
Hrt1993 |
|
2009-2012. The separation of CHR 50 implies an orbital period of 50 |
Tok2012b |
|
yr. Yet the few speckle resolutions show a fast motion or a random |
|
|
scatter. If the sub-system CHR 50 were real, we would expect it to |
|
|
cause some wobble in the motion of AB, but no such signal is seen. |
Tok2012b |
CHR 50 |
The measures show a large scatter and there are many observations of |
Tok2010b |
|
the wider AB without a measure of this close companion. The nature of |
|
|
the motion or even the reality of this pair is in question. A "ghost". |
|
REFERENCES
refcode |
metd |
author |
reference |
Bu_1879 |
Ma j |
Burnham, S.W. |
1879MmRAS..44..141B |
Bu_1879 |
|
MemRAS 44, 141, 1879 |
|
Hrt1993 |
Sc j |
Hartkopf, W.I., Mason, B.D., Barry, D.J., McAlister, H.A., Bagnuolo, W.G., & |
1993AJ....106..352H |
Hrt1993 |
|
Prieto, C.M. |
|
Hrt1993 |
|
AJ 106, 352, 1993 |
|
McA1987b |
Sc j |
McAlister, H.A., Hartkopf, W.I., Hutter, D.J., & Franz, O.G. |
1987AJ.....93..688M |
McA1987b |
|
AJ 93, 688, 1987 |
|
McA1990 |
Sc j |
McAlister, H.A., Hartkopf, & Franz, O.G. |
1990AJ.....99..965M |
McA1990 |
|
AJ 99, 965, 1990 |
|
Msn2009 |
S+ j |
Mason, B.D., Hartkopf, W.I., Gies, D.R., Henry, T.J., & Helsel, J.W. |
2009AJ....137.3358M |
Msn2009 |
+orb |
AJ 137, 3358, 2009 |
|
Msn2009 |
+lin |
|
|
Tok2010b |
S - |
Tokovinin, A. |
................... |
Tok2010b |
|
private communication |
|
Tok2012b |
S j |
Tokovinin, A. |
2012AJ....144...56T |
Tok2012b |
+orb |
AJ 144, 56, 2012 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
BU |
Burnham, S.W. (BU 1 - 81) |
179 |
CHR |
Center for High Ang. Res. Astronomy (speckle interferometry systems) |
181 |
HJ |
Herschel, J.F.W. |
230 |
KOH |
Koehler, R. & Leinert, Ch. |
240 |
KOH |
Koehler, R., Petr-Gotzens, M.G., McCaughrean, M.J., Bouvier, J., Duchene, G., |
240 |
KOH |
Quirrenbach, A., & Zinnecker, H. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
15462-2804 |
CHR 50 |
Aa,Ab |
2006 |
4 |
287 |
0.1 |
6.61 |
|
F2IV |
|
154612.89-280341.1 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 15462-2804 CHR 50 Aa,Ab : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 15462-2804 CHR 50 Aa,Ab : MEASURES
No records found.
WDS 15462-2804 : 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 15462-2804 : ALADIN DSS IMAGE @ 15h 46m 12.89s -28° 03' 41.1"
WDS 15462-2804 CHR 50 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 |
|
15462-2804 |
CHR 50 |
Aa,Ab |
287 |
0.1 |
|
Show |
|
15462-2804 |
BU 620 |
AB |
355 |
0.7 |
|
Show |
|
15462-2804 |
HJ 4803 |
AC |
213 |
50.5 |
|
Show |
|
15462-2804 |
KOH 49 |
Ca,Cb |
187 |
0.1 |
1 |
Show |
|
15475-2755 |
GAT 18 |
AB |
124 |
1.3 |
19 |
Show |
|
15475-2755 |
GAT 18 |
AC |
37 |
111.9 |
19 |
Show |
|
15475-2755 |
TSN 177 |
CD |
164 |
0.1 |
21 |
Show |
|
15476-2816 |
TDS9626 |
|
256 |
0.9 |
23 |
Show |
|
15455-2740 |
LDS4589 |
|
330 |
51.9 |
27 |
Show |
|
15455-2830 |
CPO 442 |
|
358 |
11.4 |
28 |
Show |
|
15452-2832 |
RST1862 |
|
352 |
4.5 |
32 |
Show |
|
15431-2759 |
SEE 246 |
|
314 |
13.4 |
43 |
Show |
|
15436-2834 |
SKF2046 |
|
249 |
48.3 |
46 |
Show |
|
15437-2836 |
TDS9602 |
|
322 |
2.4 |
47 |
Show |
|
15484-2847 |
TOK 596 |
|
309 |
385.6 |
53 |
Show |
|
15488-2842 |
LDS5846 |
|
158 |
41.0 |
53 |
Show |
|
15450-2714 |
RST1861 |
|
115 |
0.4 |
53 |
Show |
|
15441-2850 |
B 298 |
|
88 |
2.1 |
54 |
Show |
|
15421-2826 |
RST1858 |
|
166 |
1.0 |
59 |
Show |
|
15474-2910 |
SHN 204 |
|
-1 |
0.0 |
69 |
Show |
|
15418-2903 |
RST1856 |
|
208 |
2.0 |
83 |
Show |
|
15399-2803 |
B 2790 |
|
132 |
8.9 |
85 |
Show |
|
15396-2739 |
BU 121 |
|
284 |
2.0 |
92 |
Show |
|
15414-2910 |
RST1855 |
AB |
66 |
2.6 |
92 |
Show |
|
15411-2656 |
KSA 72 |
AB |
82 |
6.3 |
96 |
Show |
|
15411-2656 |
MET 64 |
AC |
225 |
5.9 |
96 |
Show |
|
15411-2656 |
LAF 79 |
AD |
298 |
4.6 |
96 |
Show |
|
15411-2656 |
LAF 79 |
AE |
30 |
5.2 |
96 |
Show |
|
15411-2656 |
LAF 79 |
AF |
311 |
6.0 |
96 |
Show |
|
15411-2656 |
LAF 79 |
AG |
353 |
8.0 |
96 |
Show |
|
15411-2656 |
LAF 79 |
AH |
110 |
9.6 |
96 |
Show |
|
15500-2636 |
SWR 182 |
|
256 |
25.0 |
101 |
Show |
|
15436-2940 |
UC 3051 |
|
215 |
12.1 |
103 |
Show |
|
15527-2705 |
USD 89 |
Aa,Ab |
45 |
0.7 |
105 |
Show |
|
15394-2710 |
RST1854 |
AB |
3 |
0.3 |
106 |
Show |
|
15394-2710 |
MET 63 |
AC |
62 |
8.8 |
106 |
Show |
|
15394-2710 |
MET 63 |
AD |
124 |
11.2 |
106 |
Show |
|
15542-2746 |
TDS9685 |
Aa,Ab |
114 |
0.6 |
107 |
Show |
|
15542-2746 |
B 2795 |
AB |
227 |
10.0 |
107 |
Show |
|
15507-2632 |
HDS2232 |
|
197 |
0.3 |
110 |
Show |
|
15535-2858 |
LDS5849 |
|
253 |
132.7 |
111 |
Show |
|
15456-2959 |
UC 3055 |
|
5 |
32.6 |
116 |
Show |
|
15545-2720 |
LAF 83 |
AB |
297 |
5.6 |
119 |
Show |
|
15545-2720 |
LAF 83 |
AC |
175 |
6.9 |
119 |
Show |
|
15532-2920 |
UC 3078 |
|
10 |
40.5 |
119 |
Show |
|
15383-2901 |
SWR 179 |
|
78 |
15.4 |
120 |
Show |
|
15429-2613 |
B 297 |
AB |
256 |
7.7 |
120 |
Show |
|
15370-2808 |
I 1271 |
|
151 |
2.0 |
122 |
Show |
|
15370-2748 |
BRT3022 |
|
198 |
5.4 |
125 |
Show |
|
15368-2751 |
BRT3021 |
|
72 |
4.8 |
126 |
Show |
|
15391-2928 |
UC 3036 |
|
330 |
46.7 |
126 |
|
|
WDS 15462-2804 : COMPONENTS
|
A |
Ab |
B |
C |
Ab |
pa=288.9°
sep=0.12"
| |
B |
pa=355.1°
sep=0.65"
| pa=5.2°
sep=0.61"
| |
C |
pa=214.2°
sep=50.89"
| pa=214.1°
sep=50.86"
| pa=213.7°
sep=51.40"
| |
Cb |
pa=214.1°
sep=50.95"
| pa=214.0°
sep=50.91"
| pa=213.7°
sep=51.45"
| pa=186.4°
sep=0.06"
|
15462-2804 A
Name |
HD 140722 |
|
Coord arcsec 2000 |
154612.89-280341.1 |
|
Mag |
7.58 |
|
Spectral class |
F2IV (yellow-white) |
|
PmRA |
-60.00 |
|
PmDE |
-19.0 |
|
SAO |
183772 |
|
HIP |
77235 |
|
HD |
140722 |
|
HR |
5856 |
|
GC |
21182 |
|
CD |
CD-2710550 |
|
CP |
CP-27 5250 |
|
SAO |
183772 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.005 |
|
DE1950 |
|
|
PmDE1950 |
-0.029 |
|
Vmag |
6.5 |
|
SpType |
A5 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
21182 |
|
DM |
CD-2710550 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
140722 |
|
M HD |
0 |
|
GC |
21182 |
|
RA1950rad |
4.11532475 |
|
DE1950rad |
-0.48705535 |
|
PmRA2000 |
-0.0051 |
|
PmDE2000 |
-0.026 |
|
Catalog |
H |
|
HIP |
77235 |
|
Proxy |
H |
|
RAhms |
15 46 12.89 |
|
DEdms |
-28 03 41.1 |
|
Vmag |
6.49 |
|
VarFlag |
|
|
R Vmag |
H |
|
RAdeg |
236.554 |
|
DEdeg |
-28.0614 |
|
AstroRef |
B |
|
Plx |
14.69 |
|
CCDM |
15462-2804 |
|
N CCDM |
I |
|
Nsys |
1 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
BA |
|
Theta |
351 |
|
Rho |
0.579 |
|
HD |
140722 |
|
BD |
|
|
CD |
CD-2710550 |
|
CP |
CP-27 5250 |
|
Dm number |
-2710550 |
|
VIred |
0.39 |
|
SpType |
F0V |
|
R SpType |
|
|
Coord arcsec 2000 |
154612.89-280341.1 |
|
HIP |
77235 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
4.1286413533 |
|
DErad |
-0.4897643012 |
|
Plx |
14.06 |
|
PmRA |
-59.69 |
|
PmDE |
-24.56 |
|
E RArad |
1.07 |
|
E DErad |
0.84 |
|
E Plx |
1.08 |
|
E pmRA |
1.58 |
|
E pmDE |
1.87 |
|
Hpmag |
6.5753 |
|
E Hpmag |
0.0008 |
|
SHp |
0.008 |
|
VA |
0 |
|
BV |
0.332 |
|
E BV |
0.007 |
|
VI |
0.39 |
|
Ccdm |
15462-2804 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
1.01 |
|
DDEs |
18.6 |
|
R dRAs |
41 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
3 |
|
Vmag |
7.2 |
|
Sp |
A5 |
|
PmNote |
* |
|
PmRA |
-55 |
|
PmDE |
-22 |
|
Dm number |
-2710550 |
|
Cat1 |
CD |
|
Name2 |
183772 |
|
Cat2 |
SAO |
|
HD |
140722 |
|
M HD |
|
|
ADS BDS |
A 9775 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
15401S2745A |
|
HIC |
77235 |
|
15462-2804 Ab
Coord arcsec 2000 |
154612.88-280341.1 |
|
Calc delta mag |
6.61 |
|
Calc coord |
yes |
|
15462-2804 B
Coord arcsec 2000 |
154612.89-280340.5 |
|
Mag |
7.03 |
|
PmRA |
-60.00 |
|
PmDE |
-19.0 |
|
Tycho2 |
6786-02143-1 |
|
Calc delta mag |
0.42 |
|
Calc coord |
yes |
|
Tycho2 |
6786-02143-1 |
|
Pflag |
|
|
RAmdeg |
236.55355168 |
|
DEmdeg |
-28.06141620 |
|
PmRA |
-60.4 |
|
PmDE |
-18.7 |
|
E RAmdeg |
4 |
|
E DEmdeg |
5 |
|
E pmRA |
0.8 |
|
E pmDE |
0.9 |
|
EpRAm |
1991.23 |
|
EpDEm |
1990.78 |
|
Num |
18 |
|
Q RAmdeg |
1.8 |
|
Q DEmdeg |
1.4 |
|
Q pmRA |
1.9 |
|
Q pmDE |
1.4 |
|
BTmag |
6.963 |
|
E BTmag |
0.015 |
|
VTmag |
6.611 |
|
E VTmag |
0.010 |
|
Prox |
506 |
|
TYC |
T |
|
HIP |
77235 |
|
CCDM |
AB |
|
RAdeg |
236.55370639 |
|
DEdeg |
-28.06137194 |
|
EpRA 1990 |
1.85 |
|
EpDE 1990 |
1.46 |
|
E RAdeg |
3.9 |
|
E DEdeg |
4.7 |
|
Posflg |
P |
|
Corr |
0.1 |
|
Ccdm |
15462-2804 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
BU 620 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1878 |
|
Theta |
164 |
|
Rho |
0.5 |
|
Obs |
21 |
|
Vmag |
7.2 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A 9775 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
15401S2745B |
|
HIC |
77235 |
|
15462-2804 C
Coord arcsec 2000 |
154610.73-280423.2 |
|
Coord calc |
154611.08-280423.7 |
|
Mag |
8 |
|
Mag composta |
8.97 |
|
PmRA |
-66.00 |
|
PmDE |
-17.0 |
|
Tycho2 |
6786-00811-1 |
|
Calc delta mag |
1.39 |
|
Tycho2 |
6786-00811-1 |
|
Pflag |
|
|
RAmdeg |
236.54472463 |
|
DEmdeg |
-28.07313653 |
|
PmRA |
-66.3 |
|
PmDE |
-17.0 |
|
E RAmdeg |
11 |
|
E DEmdeg |
15 |
|
E pmRA |
1.5 |
|
E pmDE |
1.7 |
|
EpRAm |
1989.72 |
|
EpDEm |
1989.17 |
|
Num |
9 |
|
Q RAmdeg |
1.6 |
|
Q DEmdeg |
1.7 |
|
Q pmRA |
1.6 |
|
Q pmDE |
1.7 |
|
BTmag |
9.717 |
|
E BTmag |
0.028 |
|
VTmag |
8.971 |
|
E VTmag |
0.020 |
|
Prox |
506 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
236.54489306 |
|
DEdeg |
-28.07309278 |
|
EpRA 1990 |
1.85 |
|
EpDE 1990 |
1.51 |
|
E RAdeg |
11.5 |
|
E DEdeg |
16.4 |
|
Posflg |
|
|
Corr |
0.4 |
|
15462-2804 Cb
Coord arcsec 2000 |
154610.73-280423.3 |
|
Mag |
8.7 |
|
PmRA |
-66.00 |
|
PmDE |
-17.0 |
|
Calc delta mag |
2.09 |
|
Calc coord |
yes |
|