10443-7052 DUN 99 AB (HD 93344)
10h 44m 20.10s -70° 51' 35.0" P.A. 75.00 sep 62.6 mag 6.26,6.47 Sp A5IV-V dist. 103.41 pc (337.32 l.y.)
Coord 2000 |
10443-7052 |
|
Discov num |
DUN 99 |
|
Comp |
AB |
|
Coord arcsec 2000 |
10 44 20.10 -70 51 35.0 |
|
Date first |
1826 |
|
Date last |
2015 |
|
Obs |
20 |
|
Pa first |
74 |
|
Pa last |
75.1 |
|
P.A. Now (θ) |
75.1° |
|
Sep first |
68.7 |
|
Sep last |
62.634 |
|
Sep. Now (ρ) |
62.634" |
|
Mag pri |
6.26 |
|
Mag sec |
6.47 |
|
delta mag (ΔM) |
0.21 |
|
Spectral class |
A5IV-V (white) |
|
Pri motion ra |
-046 |
|
Sec motion ra |
-048 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
+000 |
|
Notes |
N
Z
(See Notes, Parallax indicates components are physical) |
|
rPM=0.047 (< 0.3, Physical double)
This double is physical.
10443-7052 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 93344 |
256750 |
10 44 20 -70 51 35 |
DUN 99 AB |
2015 |
20 |
75 |
62.6 |
6.26 |
6.47 |
0.21 |
|
<=== |
Show |
|
256750 |
10 44 20 -70 51 35 |
DUN 99 AC |
2015 |
11 |
45 |
42.6 |
6.26 |
9.75 |
3.49 |
|
|
Show |
|
256751 |
10 44 32 -70 51 19 |
CHR 227 Ba,Bb |
1996 |
3 |
48 |
0.6 |
6.42 |
8.99 |
2.57 |
|
|
Show |
|
256751 |
10 44 32 -70 51 19 |
DUN 99 BC |
2015 |
10 |
295 |
33.6 |
6.47 |
9.75 |
3.28 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 93344 |
|
Constellation |
Carina |
|
SAO |
256750 |
|
HIP |
52520 |
|
Tycho2 |
9215-03042-1 |
|
Gaia DR2 |
5231271579581900800 |
|
HD |
93344 |
|
HR |
4211 |
|
GC |
14792 |
|
CP |
CP-70 1183 |
|
Distance |
103.41 |
|
Distance ly |
337.32 |
|
WDS 10443-7052 DUN 99 AB (HD 93344) : NOTES
discov_num |
notes |
refcode |
DUN 99 |
B is CPD-70@1185, spectrum A6IV. |
|
CHR 227 |
Ba. Worley (private communication) noted that the systematic binary |
|
|
star surveys of Rossiter (1955) and van den Bos missed the |
Rst1955 |
|
declination band -73 to -70 deg. This probably explains why this |
|
|
half-arcsecond pair remained undiscovered until now. CHR 227 |
|
|
represents a new component to the wide (63") common proper motion pair |
|
|
HR 4211-12 = DUN 99 AB, discovered by J. Dunlap in 1826 (1829) and |
Dun1829 |
|
last observed nearly 80 years ago (Dawson 1918). A 10th magnitude C |
Daw1918a |
|
component also lies some 35" from A, discovered by John Herschel in |
HJ_1847a |
|
1835, but no closer components are known. |
Hrt1996b |
REFERENCES
refcode |
metd |
author |
reference |
Daw1918a |
Ma - |
Dawson, B.H. |
. |
Daw1918a |
|
Pub. La Plata Obs. 4, Pt.1, 1918 |
|
Dun1829 |
Ma - |
Dunlop, J. |
1829MmRAS...3..257D |
Dun1829 |
|
MemRAS 3, 257, 1829 |
|
Dun1829 |
|
some measures corrected in LRR2022 |
|
HJ_1847a |
Ma j |
Herschel, J.F.W. |
. |
HJ_1847a |
+Mb |
Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838) |
|
Hrt1996b |
Sc j |
Hartkopf, W.I., Mason, B.D., McAlister, H.A., Turner, N.H., Barry, D.J., Franz, . |
1996AJ....111..936H |
Hrt1996b |
|
O.G., & Prieto, C.M |
|
Hrt1996b |
|
AJ 111, 936, 1996 |
|
Rst1955 |
Ma j |
Rossiter, R.A. |
1955POMic..11....1R |
Rst1955 |
+P+ |
Pub. Univ. Michigan Obs. 11, 1, 1955 |
|
DISCOVERER
idgroup |
discov |
author |
1 |
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 |
10443-7052 |
DUN 99 |
AB |
2000 |
17 |
75 |
62.8 |
6.26 |
6.47 |
A5IV-V |
NZD |
104420.10-705135.0 |
10443-7052 |
DUN 99 |
AB |
2015 |
19 |
75 |
62.6 |
6.26 |
6.47 |
A5IV-V |
NZ |
104420.10-705135.0 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 10443-7052 DUN 99 AB (HD 93344) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 10443-7052 DUN 99 AB (HD 93344) : MEASURES
No records found.
WDS 10443-7052 (HD 93344) : 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 10443-7052 (HD 93344) : ALADIN DSS IMAGE @ 10h 44m 20.10s -70° 51' 35.0"
WDS 10443-7052 DUN 99 AB (HD 93344) : 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 |
|
10443-7052 |
DUN 99 |
AB |
75 |
62.6 |
|
Show |
|
10443-7052 |
DUN 99 |
AC |
45 |
42.6 |
|
Show |
|
10443-7052 |
CHR 227 |
Ba,Bb |
48 |
0.6 |
2 |
Show |
|
10443-7052 |
DUN 99 |
BC |
295 |
33.6 |
2 |
Show |
|
10449-7054 |
WIS 171 |
|
179 |
34.9 |
4 |
Show |
|
10463-7058 |
HEI 224 |
|
122 |
3.3 |
12 |
Show |
|
10478-7031 |
DON1091 |
AB |
147 |
7.7 |
27 |
Show |
|
10478-7031 |
HJ 4376 |
AC |
154 |
12.8 |
27 |
Show |
|
10460-7023 |
KPP2479 |
|
340 |
22.2 |
31 |
Show |
|
10419-7018 |
TDS7423 |
|
7 |
0.8 |
36 |
Show |
|
10537-7043 |
HJ 4383 |
|
290 |
1.5 |
47 |
Show |
|
10543-7059 |
LDS6179 |
|
223 |
7.1 |
50 |
Show |
|
10343-7110 |
HDS1516 |
|
214 |
0.3 |
53 |
Show |
|
10360-7019 |
DON 425 |
|
32 |
3.7 |
53 |
Show |
|
10429-7145 |
BVD 146 |
|
32 |
52.1 |
54 |
Show |
|
10534-7133 |
B 2261 |
|
21 |
6.0 |
61 |
Show |
|
10491-7148 |
HEI 358 |
|
111 |
0.8 |
61 |
Show |
|
10442-7154 |
HEI 357 |
|
143 |
0.9 |
63 |
Show |
|
10386-7151 |
LDS6177 |
|
340 |
4.0 |
66 |
Show |
|
10500-6952 |
DON 442 |
|
15 |
0.6 |
67 |
Show |
|
10570-7121 |
HJ 4392 |
EN |
155 |
25.1 |
69 |
Show |
|
10527-6957 |
TDS7526 |
|
154 |
2.4 |
70 |
Show |
|
10334-7008 |
MLO 34 |
|
154 |
4.2 |
71 |
Show |
|
10523-6954 |
HJ 4380 |
|
94 |
15.9 |
71 |
Show |
|
10580-7025 |
LDS 325 |
|
64 |
29.3 |
73 |
Show |
|
10321-7005 |
HJ 4335 |
|
219 |
7.8 |
78 |
Show |
|
10463-7210 |
B 1693 |
|
337 |
5.2 |
79 |
Show |
|
10572-6959 |
DON 450 |
|
29 |
5.1 |
84 |
Show |
|
10542-6944 |
TDS7544 |
|
196 |
0.8 |
85 |
Show |
|
10282-7024 |
DON 412 |
|
114 |
3.5 |
85 |
Show |
|
11016-7109 |
KPP1707 |
|
50 |
13.2 |
87 |
Show |
|
10288-7010 |
TDS 592 |
|
137 |
0.8 |
89 |
Show |
|
10557-6940 |
DON 449 |
|
151 |
3.8 |
92 |
Show |
|
10465-7224 |
I 861 |
|
162 |
1.4 |
94 |
Show |
|
10326-7208 |
DAW 196 |
|
10 |
7.5 |
95 |
Show |
|
10257-7121 |
TDS7265 |
|
211 |
0.6 |
96 |
Show |
|
10488-7224 |
LDS6178 |
|
339 |
5.1 |
96 |
Show |
|
10319-7207 |
DUN 91 |
|
61 |
10.0 |
96 |
Show |
|
10321-6930 |
DON 418 |
|
95 |
4.5 |
103 |
Show |
|
10325-7226 |
RSS 14 |
|
165 |
49.2 |
110 |
Show |
|
10384-6904 |
DON 427 |
|
45 |
0.8 |
113 |
Show |
|
10594-7220 |
B 2262 |
|
67 |
3.2 |
114 |
Show |
|
10583-7228 |
HEI 359 |
|
36 |
0.8 |
118 |
Show |
|
10529-7244 |
HRG 54 |
|
101 |
1.2 |
120 |
Show |
|
10573-6902 |
HJ 4393 |
|
132 |
8.7 |
129 |
Show |
|
10320-6859 |
DAM2404 |
|
123 |
7.0 |
130 |
Show |
|
10493-6845 |
HJ 4351 |
|
228 |
7.6 |
130 |
Show |
|
10549-7252 |
TDS7551 |
|
352 |
1.1 |
130 |
Show |
|
10469-6843 |
DON 439 |
|
97 |
2.1 |
130 |
Show |
|
11007-6911 |
HDS1571 |
|
228 |
0.2 |
131 |
Show |
|
10312-6858 |
DAM2399 |
|
284 |
1.0 |
133 |
|
|
WDS 10443-7052 : COMPONENTS
|
A |
B |
Bb |
B |
pa=75.1°
sep=62.70"
| |
Bb |
pa=74.8°
sep=62.95"
| pa=20.1°
sep=0.43"
| |
C |
pa=18.0°
sep=31.83"
| pa=285.6°
sep=52.69"
| pa=285.1°
sep=52.73"
|
10443-7052 A
Name |
HD 93344 |
|
Coord arcsec 2000 |
104420.10-705135.0 |
|
Mag |
6.26 |
|
Spectral class |
A5IV (white) |
|
PmRA |
-46.00 |
|
PmDE |
1.0 |
|
SAO |
256750 |
|
HIP |
52520 |
|
Tycho2 |
9215-03042-1 |
|
HD |
93344 |
|
HR |
4211 |
|
GC |
14792 |
|
CP |
CP-70 1183 |
|
Tycho2 |
9215-03042-1 |
|
Pflag |
|
|
RAmdeg |
161.08341578 |
|
DEmdeg |
-70.85972144 |
|
PmRA |
-46.3 |
|
PmDE |
-0.1 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.3 |
|
E pmDE |
1.3 |
|
EpRAm |
1991.36 |
|
EpDEm |
1991.49 |
|
Num |
12 |
|
Q RAmdeg |
0.5 |
|
Q DEmdeg |
0.8 |
|
Q pmRA |
0.5 |
|
Q pmDE |
0.6 |
|
BTmag |
6.490 |
|
E BTmag |
0.014 |
|
VTmag |
6.260 |
|
E VTmag |
0.009 |
|
Prox |
627 |
|
TYC |
T |
|
HIP |
52520 |
|
CCDM |
|
|
RAdeg |
161.08374417 |
|
DEdeg |
-70.85972111 |
|
EpRA 1990 |
1.62 |
|
EpDE 1990 |
1.76 |
|
E RAdeg |
3.7 |
|
E DEdeg |
3.5 |
|
Posflg |
|
|
Corr |
0.1 |
|
SAO |
256750 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0138 |
|
DE1950 |
|
|
PmDE1950 |
-0.012 |
|
Vmag |
6.3 |
|
SpType |
A3 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
14792 |
|
DM |
CP-70 1183 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
93344 |
|
M HD |
0 |
|
GC |
14792 |
|
RA1950rad |
2.80481616 |
|
DE1950rad |
-1.23214388 |
|
PmRA2000 |
-0.0152 |
|
PmDE2000 |
-0.007 |
|
Catalog |
H |
|
HIP |
52520 |
|
Proxy |
|
|
RAhms |
10 44 20.10 |
|
DEdms |
-70 51 35.0 |
|
Vmag |
6.25 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
161.084 |
|
DEdeg |
-70.8597 |
|
AstroRef |
|
|
Plx |
9.43 |
|
CCDM |
10444-7051 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
93344 |
|
BD |
|
|
CD |
|
|
CP |
CP-70 1183 |
|
Dm number |
-70 1183 |
|
VIred |
0.23 |
|
SpType |
A5IV/V |
|
R SpType |
|
|
Coord arcsec 2000 |
104420.10-705135.0 |
|
HIP |
52520 |
|
Sn |
5 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
2.8114420428 |
|
DErad |
-1.2367354787 |
|
Plx |
9.67 |
|
PmRA |
-45.95 |
|
PmDE |
1.03 |
|
E RArad |
0.2 |
|
E DErad |
0.21 |
|
E Plx |
0.24 |
|
E pmRA |
0.27 |
|
E pmDE |
0.23 |
|
Hpmag |
6.315 |
|
E Hpmag |
0.0006 |
|
SHp |
0.006 |
|
VA |
0 |
|
BV |
0.208 |
|
E BV |
0.004 |
|
VI |
0.23 |
|
10443-7052 B
Coord arcsec 2000 |
104432.42-705118.9 |
|
Coord calc |
104432.42-705118.9 |
|
Mag |
6.47 |
|
Spectral class |
A6IV (white) |
|
PmRA |
-48.00 |
|
PmDE |
0.0 |
|
SAO |
256751 |
|
HIP |
52537 |
|
Tycho2 |
9215-03041-1 |
|
HD |
93359 |
|
HR |
4212 |
|
GC |
14796 |
|
CP |
CP-70 1185 |
|
Calc delta mag |
0.21 |
|
Tycho2 |
9215-03041-1 |
|
Pflag |
|
|
RAmdeg |
161.13473756 |
|
DEmdeg |
-70.85525468 |
|
PmRA |
-48.8 |
|
PmDE |
-1.2 |
|
E RAmdeg |
4 |
|
E DEmdeg |
4 |
|
E pmRA |
1.3 |
|
E pmDE |
1.3 |
|
EpRAm |
1991.35 |
|
EpDEm |
1991.52 |
|
Num |
12 |
|
Q RAmdeg |
1.5 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
1.5 |
|
Q pmDE |
1.0 |
|
BTmag |
6.729 |
|
E BTmag |
0.014 |
|
VTmag |
6.472 |
|
E VTmag |
0.010 |
|
Prox |
627 |
|
TYC |
T |
|
HIP |
52537 |
|
CCDM |
AD |
|
RAdeg |
161.13508472 |
|
DEdeg |
-70.85525222 |
|
EpRA 1990 |
1.62 |
|
EpDE 1990 |
1.79 |
|
E RAdeg |
3.8 |
|
E DEdeg |
3.6 |
|
Posflg |
P |
|
Corr |
0.1 |
|
SAO |
256751 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
-0.0108 |
|
DE1950 |
|
|
PmDE1950 |
0.002 |
|
Vmag |
6.5 |
|
SpType |
A3 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
14796 |
|
DM |
CP-70 1185 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
93359 |
|
M HD |
0 |
|
GC |
14796 |
|
RA1950rad |
2.8057171 |
|
DE1950rad |
-1.23206228 |
|
PmRA2000 |
-0.0121 |
|
PmDE2000 |
0.007 |
|
Catalog |
H |
|
HIP |
52537 |
|
Proxy |
H |
|
RAhms |
10 44 32.42 |
|
DEdms |
-70 51 18.9 |
|
Vmag |
6.43 |
|
VarFlag |
|
|
R Vmag |
G |
|
RAdeg |
161.135 |
|
DEdeg |
-70.8553 |
|
AstroRef |
A |
|
Plx |
9.2 |
|
CCDM |
10444-7051 |
|
N CCDM |
I |
|
Nsys |
2 |
|
Ncomp |
2 |
|
MultFlag |
C |
|
Source |
|
|
Qual |
A |
|
M HIP |
AD |
|
Theta |
46 |
|
Rho |
0.621 |
|
HD |
93359 |
|
BD |
|
|
CD |
|
|
CP |
CP-70 1185 |
|
Dm number |
-70 1185 |
|
VIred |
0.25 |
|
SpType |
A6IV |
|
R SpType |
|
|
Coord arcsec 2000 |
104432.42-705118.9 |
|
HIP |
52537 |
|
Sn |
15 |
|
So |
3 |
|
Nc |
2 |
|
RArad |
2.8123377901 |
|
DErad |
-1.2366575025 |
|
Plx |
9.94 |
|
PmRA |
-47.46 |
|
PmDE |
0.04 |
|
E RArad |
0.27 |
|
E DErad |
0.28 |
|
E Plx |
0.31 |
|
E pmRA |
0.35 |
|
E pmDE |
0.31 |
|
Hpmag |
6.5214 |
|
E Hpmag |
0.0006 |
|
SHp |
0.007 |
|
VA |
0 |
|
BV |
0.227 |
|
E BV |
0.008 |
|
VI |
0.25 |
|
10443-7052 Bb
Coord arcsec 2000 |
104432.45-705118.5 |
|
Mag |
8.99 |
|
Calc delta mag |
2.73 |
|
Calc coord |
yes |
|
10443-7052 C
Coord arcsec 2000 |
104422.10-705104.7 |
|
Mag |
9.75 |
|
Spectral class |
V |
|
PmRA |
-12.00 |
|
PmDE |
15.0 |
|
Calc delta mag |
3.49 |
|
Calc coord |
yes |
|