18152-2044 SNA 82 Aa,Ab
18h 15m 12.91s -20° 43' 41.8" P.A. 203.00 sep 0.0 mag 5.30,8.40 Sp O9.7Iab dist. 10000 pc (32620 l.y.)
Coord 2000 |
18152-2044 |
|
Discov num |
SNA 82 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 15 12.91 -20 43 41.8 |
|
Date first |
2012 |
|
Date last |
2012 |
|
Obs |
4 |
|
Pa first |
125 |
|
Pa last |
203.3 |
|
P.A. Now (θ) |
203.3° |
|
Sep first |
0.0 |
|
Sep last |
0.003 |
|
Sep. Now (ρ) |
0.003" |
|
Mag pri |
5.30 |
|
Mag sec |
8.40 |
|
delta mag (ΔM) |
3.1 |
|
Spectral class |
O9.7Iab (blue) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
|
|
Pri motion dec |
-001 |
|
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.
18152-2044 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
186543 |
18 15 13 -20 43 42 |
SNA 82 Aa,Ab |
2012 |
4 |
203 |
0.0 |
5.30 |
8.40 |
3.10 |
|
<=== |
Show |
15 Sgr |
186543 |
18 15 13 -20 43 42 |
TOK 59 AB |
2013 |
5 |
77 |
1.3 |
5.40 |
10.60 |
5.20 |
|
|
Show |
|
186543 |
18 15 13 -20 43 42 |
SNA 82 AC |
2012 |
1 |
356 |
2.3 |
5.16 |
12.91 |
7.75 |
|
|
Show |
|
186543 |
18 15 13 -20 43 42 |
SNA 82 AD |
2012 |
1 |
108 |
7.1 |
5.16 |
12.18 |
7.02 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
SAO |
186543 |
|
HIP |
89439 |
|
Tycho2 |
6276-01023-1 |
|
Gaia DR2 |
4093968702062993664 |
|
HD |
167264 |
|
HR |
6822 |
|
GC |
24893 |
|
BD |
BD-20 5054 |
|
Flamsteed |
15 Sagittarii |
|
Flamsteed name |
15 Sgr |
|
Distance |
10000 |
|
Distance ly |
32620 |
|
WDS 18152-2044 SNA 82 Aa,Ab : NOTES
discov_num |
notes |
refcode |
SNA 82 |
Aa,Ab: 15 Sgr. The primary is a blue supergiant star. PIONIER resolved |
|
|
a close pair at ~3mas at three epochs, revealing evidence of orbital |
|
|
motion. This pair likely corresponds to the 668d SB1 obtained by OWN |
|
|
(Sota et al. 2014, ApJS 211, 10). |
Sna2014 |
REFERENCES
refcode |
metd |
author |
reference |
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 |
TOK |
Tokovinin, A.A. |
48 |
TOK |
Tokovinin, A.A., Balega, Y.Y., Pluzhnik, E.A., Shatsky, N.I., Gorynya, N.A., & |
48 |
TOK |
Weigelt, G. |
62 |
TOK |
Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N., |
62 |
TOK |
Martinez, M., & Mondaca, E. |
130 |
TOK |
Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M., |
130 |
TOK |
Ratzloff, J. & Walter, F.M. |
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18152-2044 |
SNA 82 |
Aa,Ab |
2012 |
4 |
203 |
0.0 |
5.30 |
8.40 |
O9.7Iab |
V K |
181512.91-204341.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18152-2044 SNA 82 Aa,Ab : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18152-2044 SNA 82 Aa,Ab : MEASURES
No records found.
WDS 18152-2044 : 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 18152-2044 : ALADIN DSS IMAGE @ 18h 15m 12.91s -20° 43' 41.8"
WDS 18152-2044 SNA 82 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 |
|
18152-2044 |
TOK 59 |
AB |
77 |
1.3 |
|
Show |
|
18152-2044 |
SNA 82 |
Aa,Ab |
203 |
0.0 |
|
Show |
|
18152-2044 |
SNA 82 |
AC |
356 |
2.3 |
|
Show |
|
18152-2044 |
SNA 82 |
AD |
108 |
7.1 |
|
Show |
|
18155-2057 |
TDS 911 |
|
102 |
1.0 |
15 |
Show |
|
18146-2055 |
KPP1769 |
|
268 |
13.7 |
15 |
Show |
|
18140-2052 |
J 1622 |
|
45 |
7.7 |
18 |
Show |
|
18152-2023 |
CHR 255 |
Aa,Ab |
156 |
0.1 |
21 |
Show |
|
18152-2023 |
BU 286 |
AB |
216 |
6.1 |
21 |
Show |
|
18152-2023 |
SNA 83 |
AC |
27 |
5.9 |
21 |
Show |
|
18152-2023 |
SNA 83 |
AD |
281 |
6.5 |
21 |
Show |
|
18152-2023 |
SNA 83 |
AE |
242 |
7.3 |
21 |
Show |
|
18163-2027 |
SKF1039 |
|
336 |
3.7 |
23 |
Show |
|
18166-2033 |
MCA 51 |
|
321 |
0.1 |
23 |
Show |
|
18162-2105 |
ARA1523 |
|
90 |
1.2 |
26 |
Show |
|
18168-2027 |
ARA1144 |
|
336 |
9.7 |
27 |
Show |
Polis |
18138-2104 |
H 5 7 |
AB |
258 |
16.9 |
29 |
Show |
Polis |
18138-2104 |
BU 292 |
AC |
119 |
25.5 |
29 |
Show |
Polis |
18138-2104 |
HJ 2822 |
AD |
312 |
48.2 |
29 |
Show |
Polis |
18138-2104 |
HJ 2822 |
AE |
114 |
50.2 |
29 |
Show |
|
18138-2104 |
SLV 7 |
BD |
331 |
40.8 |
29 |
Show |
|
18138-2104 |
SLV 7 |
BE |
106 |
64.4 |
29 |
Show |
|
18136-2101 |
GLP 13 |
|
245 |
25.0 |
30 |
Show |
|
18167-2022 |
SKF 99 |
|
141 |
3.0 |
30 |
Show |
|
18173-2029 |
BHA 26 |
|
352 |
5.5 |
33 |
Show |
|
18178-2039 |
ARA1146 |
|
351 |
11.0 |
36 |
Show |
|
18131-2024 |
J 1621 |
AC |
301 |
15.8 |
36 |
Show |
|
18131-2024 |
ARA1141 |
AB |
286 |
8.0 |
36 |
Show |
|
18131-2024 |
SKF1038 |
CD |
187 |
4.1 |
36 |
Show |
|
18163-2008 |
ARA1143 |
|
18 |
10.9 |
39 |
Show |
|
18128-2024 |
DON 886 |
|
205 |
4.9 |
40 |
Show |
|
18158-2001 |
CLL 12 |
|
199 |
22.9 |
44 |
Show |
|
18121-2054 |
ARA1139 |
|
123 |
10.6 |
46 |
Show |
|
18131-2119 |
ARA1522 |
|
341 |
14.9 |
46 |
Show |
|
18124-2107 |
ARA1519 |
|
235 |
8.2 |
47 |
Show |
|
18154-1956 |
B 1883 |
|
53 |
0.2 |
48 |
Show |
|
18150-1955 |
TOB 275 |
CF |
110 |
75.5 |
49 |
Show |
|
18150-1955 |
HJ 2823 |
AB |
330 |
20.3 |
49 |
Show |
|
18150-1955 |
TOB 275 |
AC |
91 |
23.2 |
49 |
Show |
|
18150-1955 |
TOB 275 |
AD |
47 |
30.3 |
49 |
Show |
|
18150-1955 |
TOB 275 |
DE |
37 |
36.3 |
49 |
Show |
|
18177-2120 |
BRT1525 |
|
179 |
4.4 |
50 |
Show |
|
18116-2059 |
ARA1138 |
|
157 |
13.6 |
53 |
Show |
|
18157-1950 |
B 1884 |
|
85 |
0.2 |
54 |
Show |
|
18115-2023 |
ARA1137 |
|
334 |
4.1 |
55 |
Show |
|
18163-2137 |
BRT1523 |
|
175 |
4.3 |
56 |
Show |
|
18112-2041 |
ARA1136 |
|
305 |
14.3 |
58 |
Show |
|
18171-1952 |
HJ 2827 |
|
253 |
19.9 |
59 |
Show |
|
18137-1949 |
TOB 277 |
|
130 |
23.5 |
59 |
Show |
|
18130-2134 |
ARA1521 |
|
172 |
12.9 |
60 |
Show |
|
18150-1945 |
TOB 276 |
|
345 |
13.0 |
60 |
|
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WDS 18152-2044 : COMPONENTS
|
A |
Ab |
B |
C |
Ab |
pa=201.9°
sep=0.00"
| |
B |
pa=75.7°
sep=1.20"
| pa=75.6°
sep=1.20"
| |
C |
pa=356.4°
sep=2.31"
| pa=356.4°
sep=2.31"
| pa=326.9°
sep=2.40"
| |
D |
pa=109.6°
sep=6.64"
| pa=109.6°
sep=6.64"
| pa=116.3°
sep=5.68"
| pa=125.3°
sep=7.84"
|
18152-2044 A
Name |
15 Sgr |
|
Coord arcsec 2000 |
181512.91-204341.8 |
|
Mag |
5.4 |
|
Spectral class |
B0.5Ia/ab (blue-white) |
|
PmRA |
3.00 |
|
PmDE |
-1.0 |
|
SAO |
186543 |
|
HIP |
89439 |
|
Tycho2 |
6276-01023-1 |
|
HD |
167264 |
|
HR |
6822 |
|
GC |
24893 |
|
BD |
BD-20 5054 |
|
Flamsteed |
15 Sagittarii |
|
Flamsteed name |
15 Sgr |
|
Tycho2 |
6276-01023-1 |
|
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 |
5.344 |
|
E BTmag |
0.014 |
|
VTmag |
5.339 |
|
E VTmag |
0.009 |
|
Prox |
999 |
|
TYC |
T |
|
HIP |
89439 |
|
CCDM |
|
|
RAdeg |
273.80377139 |
|
DEdeg |
-20.72826778 |
|
EpRA 1990 |
1.83 |
|
EpDE 1990 |
1.74 |
|
E RAdeg |
3.3 |
|
E DEdeg |
3.6 |
|
Posflg |
|
|
Corr |
0.0 |
|
SAO |
186543 |
|
DelFlag |
|
|
RA1950 |
|
|
PmRA1950 |
0.0002 |
|
DE1950 |
|
|
PmDE1950 |
0.002 |
|
Vmag |
5.4 |
|
SpType |
B0 |
|
Double code |
|
|
Source |
70 |
|
CatNum |
24893 |
|
DM |
BD-20 5054 |
|
DMcomp |
|
|
BDsup |
|
|
HD |
167264 |
|
M HD |
0 |
|
GC |
24893 |
|
RA1950rad |
4.76575801 |
|
DE1950rad |
-0.36206695 |
|
PmRA2000 |
0.0002 |
|
PmDE2000 |
0.003 |
|
Catalog |
H |
|
HIP |
89439 |
|
Proxy |
|
|
RAhms |
18 15 12.91 |
|
DEdms |
-20 43 41.8 |
|
Vmag |
5.29 |
|
VarFlag |
1 |
|
R Vmag |
H |
|
RAdeg |
273.804 |
|
DEdeg |
-20.7283 |
|
AstroRef |
|
|
Plx |
-0.33 |
|
CCDM |
|
|
N CCDM |
|
|
Nsys |
|
|
Ncomp |
1 |
|
MultFlag |
|
|
Source |
|
|
Qual |
|
|
M HIP |
|
|
Theta |
|
|
Rho |
|
|
HD |
167264 |
|
BD |
BD-20 5054 |
|
CD |
|
|
CP |
|
|
Dm number |
-20 5054 |
|
VIred |
0.15 |
|
SpType |
B0/1Ia/ab |
|
R SpType |
|
|
Coord arcsec 2000 |
181512.91-204341.8 |
|
HIP |
89439 |
|
Sn |
7 |
|
So |
0 |
|
Nc |
1 |
|
RArad |
4.7787773351 |
|
DErad |
-0.3617765043 |
|
Plx |
0.1 |
|
PmRA |
1.6 |
|
PmDE |
-1.51 |
|
E RArad |
0.49 |
|
E DErad |
0.33 |
|
E Plx |
0.45 |
|
E pmRA |
0.57 |
|
E pmDE |
0.41 |
|
Hpmag |
5.3438 |
|
E Hpmag |
0.0011 |
|
SHp |
0.011 |
|
VA |
2 |
|
BV |
0.007 |
|
E BV |
0.004 |
|
VI |
0.15 |
|
18152-2044 Ab
Coord arcsec 2000 |
181512.91-204341.8 |
|
Mag |
8.4 |
|
Calc delta mag |
3.1 |
|
Calc coord |
yes |
|
18152-2044 B
Coord arcsec 2000 |
181512.99-204341.5 |
|
Mag |
10.6 |
|
Calc delta mag |
5.3 |
|
Calc coord |
yes |
|
18152-2044 C
Coord arcsec 2000 |
181512.90-204339.5 |
|
Mag |
12.91 |
|
Calc delta mag |
7.61 |
|
Calc coord |
yes |
|
18152-2044 D
Coord arcsec 2000 |
181513.36-204344.0 |
|
Mag |
12.18 |
|
Calc delta mag |
6.88 |
|
Calc coord |
yes |
|