18061-2412 SNA 81 Aa,Ab
18h 06m 04.67s -24° 11' 43.8" P.A. 116.00 sep 0.0 mag 7.30,10.10 Sp O8V
Coord 2000 |
18061-2412 |
|
Discov num |
SNA 81 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 06 04.67 -24 11 43.8 |
|
Date first |
2013 |
|
Date last |
2013 |
|
Obs |
1 |
|
Pa first |
116 |
|
Pa last |
116.2 |
|
P.A. Now (θ) |
116.2° |
|
Sep first |
0.0 |
|
Sep last |
0.031 |
|
Sep. Now (ρ) |
0.031" |
|
Mag pri |
7.30 |
|
Mag sec |
10.10 |
|
delta mag (ΔM) |
2.8 |
|
Spectral class |
O8V (blue) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
|
|
Pri motion dec |
-004 |
|
Sec motion dec |
|
|
Notes |
N
V
K
(See Notes, Proper motion indicates physical, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
18061-2412 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
186268 |
18 06 05 -24 11 44 |
SNA 81 Aa,Ab |
2013 |
1 |
116 |
0.0 |
7.30 |
10.10 |
2.80 |
|
<=== |
Show |
HD 165246 |
186268 |
18 06 05 -24 11 44 |
B 376 AB |
2013 |
3 |
97 |
1.9 |
7.20 |
11.20 |
4.00 |
|
|
Show |
|
186268 |
18 06 05 -24 11 44 |
SNA 81 AC |
2012 |
2 |
225 |
6.6 |
7.23 |
12.89 |
5.66 |
|
|
Show |
|
186268 |
18 06 05 -24 11 44 |
SNA 81 AD |
2012 |
1 |
8 |
7.9 |
7.23 |
13.21 |
5.98 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
SAO |
186268 |
|
Tycho2 |
6842-01179-1 |
|
Gaia DR2 |
4066063754109686016 |
|
HD |
165246 |
|
WDS 18061-2412 SNA 81 Aa,Ab : NOTES
discov_num |
notes |
refcode |
SNA 81 |
Aa,Ab: We detect a third companion to this SB2 4.6d eclipsing binary |
|
|
system (Otero 2007, Open European Journal on Variable Stars 72, 1; |
MyP2013 |
|
Mayer et al. 2013). |
Sna2014 |
REFERENCES
refcode |
metd |
author |
reference |
MyP2013 |
not - |
Mayer, P., Harmanec, P., & Pavlovski, K. |
2013A&A...550A...2M |
MyP2013 |
|
A&A 550, A2, 2013 |
|
Sna2014 |
Kv j |
Sana, H., LeBouquin, J.-B., Lacour, S., Berger, J.-P., Duvert, G., Gauchet, L., |
2014ApJS..215...15S |
Sna2014 |
+A |
Norris, B., Olofsson, J., Pickel, D., Zins, G., Absil, O., de Koter, A., |
|
Sna2014 |
|
Kratter, K., Schnurr, O., & Zinnecker, H. |
|
Sna2014 |
|
ApJS 215, 15, 2014 |
|
Sna2014 |
|
(NACO companions in Table 6 assumed physical if quoted probability of spurious |
|
Sna2014 |
|
detection <10%, optical if >90%, otherwise indeterminate) |
|
DISCOVERER
idgroup |
discov |
author |
1 |
B |
van den Bos, W.H. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18061-2412 |
SNA 81 |
Aa,Ab |
2013 |
1 |
116 |
0.0 |
7.30 |
10.10 |
O8V |
V K |
180604.67-241143.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18061-2412 SNA 81 Aa,Ab : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18061-2412 SNA 81 Aa,Ab : MEASURES
No records found.
WDS 18061-2412 : 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 18061-2412 : ALADIN DSS IMAGE @ 18h 06m 04.67s -24° 11' 43.8"
WDS 18061-2412 SNA 81 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 |
|
18061-2412 |
B 376 |
AB |
97 |
1.9 |
|
Show |
|
18061-2412 |
SNA 81 |
Aa,Ab |
116 |
0.0 |
|
Show |
|
18061-2412 |
SNA 81 |
AC |
225 |
6.6 |
|
Show |
|
18061-2412 |
SNA 81 |
AD |
8 |
7.9 |
|
Show |
|
18056-2356 |
ARA2213 |
|
235 |
14.5 |
18 |
Show |
|
18047-2421 |
HJ 5010 |
|
351 |
3.1 |
22 |
Show |
|
18044-2423 |
RBR 8 |
|
318 |
3.1 |
26 |
Show |
|
18042-2415 |
BU 1126 |
AB |
55 |
0.6 |
26 |
Show |
|
18042-2415 |
HJ 5009 |
AB,C |
21 |
4.6 |
26 |
Show |
|
18042-2415 |
DAW 218 |
AB,D |
138 |
24.9 |
26 |
Show |
|
18044-2421 |
TDT 662 |
|
121 |
1.8 |
26 |
Show |
|
18039-2419 |
SNA 79 |
|
81 |
0.1 |
30 |
Show |
|
18054-2343 |
TDT 672 |
|
103 |
1.6 |
31 |
Show |
|
18039-2422 |
SNA 78 |
|
69 |
0.0 |
32 |
Show |
|
18037-2423 |
AEN 1 |
AB |
9 |
3.5 |
35 |
Show |
|
18037-2423 |
SBE 1 |
Aa,Ab |
222 |
0.0 |
35 |
Show |
|
18056-2328 |
ARA2212 |
|
155 |
10.0 |
45 |
Show |
|
18055-2326 |
SKF2529 |
AB |
56 |
1.8 |
47 |
Show |
|
18055-2326 |
SKF2529 |
AC |
271 |
1.5 |
47 |
Show |
|
18055-2326 |
SKF2529 |
BC |
251 |
3.1 |
47 |
Show |
|
18026-2415 |
RST3149 |
AB |
62 |
1.7 |
48 |
Show |
|
18026-2415 |
ARG 31 |
AC |
26 |
35.6 |
48 |
Show |
|
18026-2415 |
BU 1462 |
AD |
196 |
27.3 |
48 |
Show |
|
18049-2326 |
ARA2210 |
|
145 |
8.7 |
49 |
Show |
|
18094-2432 |
BRT3062 |
|
125 |
4.6 |
51 |
Show |
|
18097-2355 |
TDT 715 |
|
89 |
0.7 |
53 |
Show |
|
18099-2406 |
BAR 9 |
AB |
185 |
5.0 |
54 |
Show |
|
18099-2406 |
HJ 5026 |
AC |
139 |
33.7 |
54 |
Show |
|
18083-2326 |
B 378 |
|
79 |
0.5 |
56 |
Show |
|
18077-2321 |
OCC 647 |
|
-1 |
0.1 |
57 |
Show |
|
18051-2317 |
B 375 |
|
168 |
0.9 |
57 |
Show |
|
18076-2316 |
OCC 646 |
|
-1 |
0.1 |
60 |
Show |
|
18098-2339 |
TDT 716 |
|
126 |
0.5 |
61 |
Show |
|
18101-2346 |
RST5104 |
|
156 |
0.3 |
61 |
Show |
|
18055-2312 |
ARA2211 |
|
89 |
10.8 |
62 |
Show |
|
18092-2326 |
B 380 |
|
241 |
8.0 |
63 |
Show |
|
18057-2514 |
OCC1041 |
AB |
-1 |
0.0 |
63 |
Show |
|
18057-2514 |
OCC1041 |
AC |
-1 |
0.0 |
63 |
Show |
|
18023-2452 |
RST3148 |
|
135 |
0.5 |
66 |
Show |
|
18090-2319 |
RST5103 |
|
95 |
1.1 |
67 |
Show |
|
18092-2504 |
J 2196 |
|
123 |
3.3 |
67 |
Show |
|
18009-2413 |
RST3147 |
|
205 |
0.2 |
72 |
Show |
|
18054-2300 |
LYS 33 |
AB |
289 |
35.2 |
72 |
Show |
|
18054-2300 |
SNA 80 |
AC |
21 |
5.6 |
72 |
Show |
|
18054-2300 |
SNA 80 |
AD |
186 |
5.6 |
72 |
Show |
|
18054-2300 |
SNA 80 |
AE |
184 |
7.8 |
72 |
Show |
|
18064-2525 |
RCH 6 |
|
208 |
2.3 |
74 |
Show |
|
18022-2318 |
B 2851 |
|
156 |
10.5 |
76 |
Show |
|
18041-2523 |
OCC1036 |
AB |
-1 |
0.0 |
77 |
Show |
|
18041-2523 |
OCC1036 |
AC |
-1 |
0.0 |
77 |
Show |
|
18117-2404 |
B 2858 |
|
193 |
9.3 |
77 |
|
|
WDS 18061-2412 : COMPONENTS
|
A |
Ab |
B |
C |
Ab |
pa=118.3°
sep=0.03"
| |
B |
pa=97.9°
sep=1.76"
| pa=97.6°
sep=1.74"
| |
C |
pa=222.2°
sep=6.33"
| pa=222.4°
sep=6.34"
| pa=233.4°
sep=7.47"
| |
D |
pa=7.5°
sep=7.93"
| pa=7.3°
sep=7.94"
| pa=355.0°
sep=8.13"
| pa=22.8°
sep=13.62"
|
18061-2412 A
Name |
HD 165246 |
|
Coord arcsec 2000 |
180604.67-241143.8 |
|
Mag |
7.2 |
|
Spectral class |
O9III: (blue) |
|
PmRA |
2.00 |
|
PmDE |
-4.0 |
|
SAO |
186268 |
|
Tycho2 |
6842-01179-1 |
|
HD |
165246 |
|
DM |
CD-2413880 |
|
Tycho2 |
6842-01179-1 |
|
Pflag |
|
|
RAmdeg |
271.51949651 |
|
DEmdeg |
-24.19552360 |
|
PmRA |
-0.5 |
|
PmDE |
-1.9 |
|
E RAmdeg |
5 |
|
E DEmdeg |
6 |
|
E pmRA |
1.5 |
|
E pmDE |
1.6 |
|
EpRAm |
1991.58 |
|
EpDEm |
1991.56 |
|
Num |
8 |
|
Q RAmdeg |
1.0 |
|
Q DEmdeg |
1.2 |
|
Q pmRA |
1.1 |
|
Q pmDE |
1.1 |
|
BTmag |
7.797 |
|
E BTmag |
0.016 |
|
VTmag |
7.749 |
|
E VTmag |
0.012 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
271.51949750 |
|
DEdeg |
-24.19551917 |
|
EpRA 1990 |
1.93 |
|
EpDE 1990 |
1.98 |
|
E RAdeg |
4.7 |
|
E DEdeg |
5.9 |
|
Posflg |
|
|
Corr |
0.1 |
|
SAO |
186268 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0009 |
|
DE1950 |
|
|
PmDE1950 |
-0.016 |
|
Vmag |
8.1 |
|
SpType |
B9 |
|
Double code |
|
|
Source |
25 |
|
CatNum |
12457 |
|
DM |
CD-2413880 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
165246 |
|
M HD |
0 |
|
GC |
|
|
RA1950rad |
4.72554403 |
|
DE1950rad |
-0.42238939 |
|
PmRA2000 |
0.0009 |
|
PmDE2000 |
-0.015 |
|
Ccdm |
18061-2412 |
|
RComp |
|
|
Comp |
A |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
|
|
DRAs |
-1.19 |
|
DDEs |
17.0 |
|
R dRAs |
41 |
|
Year |
|
|
Theta |
|
|
Rho |
|
|
Obs |
2 |
|
Vmag |
8.0 |
|
Sp |
B9 |
|
PmNote |
* |
|
PmRA |
12 |
|
PmDE |
-16 |
|
Dm number |
-2413880 |
|
Cat1 |
CD |
|
Name2 |
186268 |
|
Cat2 |
SAO |
|
HD |
165246 |
|
M HD |
|
|
ADS BDS |
A11049 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18000S2412A |
|
HIC |
|
|
18061-2412 Ab
Coord arcsec 2000 |
180604.67-241143.8 |
|
Mag |
10.1 |
|
Calc delta mag |
2.8 |
|
Calc coord |
yes |
|
18061-2412 B
Coord arcsec 2000 |
180604.80-241144.0 |
|
Mag |
11.2 |
|
Calc delta mag |
3.9 |
|
Calc coord |
yes |
|
Ccdm |
18061-2412 |
|
RComp |
|
|
Comp |
B |
|
Note1 |
|
|
Note2 |
|
|
Discov num |
B 376 |
|
DRAs |
|
|
DDEs |
|
|
R dRAs |
|
|
Year |
1927 |
|
Theta |
098 |
|
Rho |
1.9 |
|
Obs |
1 |
|
Vmag |
12.0 |
|
Sp |
|
|
PmNote |
|
|
PmRA |
|
|
PmDE |
|
|
Dm number |
|
|
Cat1 |
|
|
Name2 |
|
|
Cat2 |
|
|
HD |
|
|
M HD |
|
|
ADS BDS |
A11049 |
|
M ADS BDS |
|
|
N IDS |
|
|
IDS |
18000S2412B |
|
HIC |
|
|
18061-2412 C
Coord arcsec 2000 |
180604.36-241148.5 |
|
Mag |
12.89 |
|
Calc delta mag |
5.59 |
|
Calc coord |
yes |
|
18061-2412 D
Coord arcsec 2000 |
180604.75-241135.9 |
|
Mag |
13.21 |
|
Calc delta mag |
5.91 |
|
Calc coord |
yes |
|