18152-2044 SNA 82 AD
18h 15m 12.91s -20° 43' 41.8" P.A. 108.00 sep 7.1 mag 5.16,12.18 Sp O9.7Iab dist. 10000 pc (32620 l.y.)
Coord 2000
18152-2044
Discov num
SNA 82
Comp
AD
Coord arcsec 2000
18 15 12.91 -20 43 41.8
Date first
2012
Date last
2012
Obs
1
Pa first
108
Pa last
108.4
P.A. Now (θ)
108.4°
Sep first
7.1
Sep last
7.05
Sep. Now (ρ)
7.05"
Mag pri
5.16
Mag sec
12.18
delta mag (ΔM)
7.02
Spectral class
O9.7Iab (blue)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N
K
(See Notes, 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
Nature of this double is uncertain.
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 AD : 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
AD
2012
1
108
7.1
5.16
12.18
O9.7Iab
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 AD : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18152-2044 SNA 82 AD : 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"
DSS color
DSS blue
2MASS
AllWISE
GALEX
SDSS9
XMM
PanSTARRS
WDS 18152-2044 SNA 82 AD : 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
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