18152-2023 SNA 83 AE

18h 15m 12.97s -20° 23' 16.7" P.A. 242.00 sep 7.3 mag 5.88,13.20 Sp O9.5II dist. 2325.58 pc (7586.04 l.y.)

Coord 2000 18152-2023 Discov num SNA  83 Comp AE Coord arcsec 2000 18 15 12.97 -20 23 16.7
Date first 2012 Date last 2012 Obs 1
Pa first 242 Pa last 242.3 P.A. Now (θ) 242.3°
Sep first 7.3 Sep last 7.34 Sep. Now (ρ) 7.34"
Mag pri 5.88 Mag sec 13.20 delta mag (ΔM) 7.32 Spectral class O9.5II (blue)
Pri motion ra +005 Sec motion ra
Pri motion dec -003 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.



18152-2023 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 186544 18 15 13 -20 23 17 CHR 255 Aa,Ab 2019 9 156 0.1 6.50 6.90 0.40
Show 186544 18 15 13 -20 23 17 BU 286 AB 2015 12 216 6.1 5.95 13.00 7.05
Show 16 Sgr 186544 18 15 13 -20 23 17 SNA 83 AC 2012 1 27 5.9 5.88 13.43 7.55
Show 186544 18 15 13 -20 23 17 SNA 83 AD 2012 1 281 6.5 5.88 13.04 7.16
Show 186544 18 15 13 -20 23 17 SNA 83 AE 2012 1 242 7.3 5.88 13.20 7.32 <===


Sextuple system
5 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Sagittarius SAO 186544 HIP 89440 Tycho2 6272-00089-1
Gaia DR2 4094031138050641408 HD 167263 HR 6823 GC 24895
ADS 11191 BD BD-20 5055 Flamsteed 16 Sagittarii Flamsteed name 16 Sgr
Distance 2325.58 Distance ly 7586.04




WDS 18152-2023 SNA 83 AE : NOTES

discov_num notes refcode
BU 286 16 Sgr. A is a spectroscopic binary.
CHR 255 Aa,Ab: Garmany et al. (1980 ApJ 242, 1063) observed a smoothly-varying
velocity indicating that the A component is probably a single-lined
binary with a period of 11 d.
Lindroos (1985) provided the classification of the B component and Lnd1985
determines a distance of 1.2 kpc. Msn1998a
SNA 83 16 Sgr. SB. See discussion of system by Sana et al. 2014). Sna2014






REFERENCES

refcode metd author reference
Lnd1985 - Lindroos, K.P. 1985A&AS...60..183L
Lnd1985 A&AS 60, 183, 1985
Msn1998a Sc j Mason, B.D., Gies, D.R., Hartkopf, W.I., Bagnuolo, Jr., W.G., 1998AJ....115..821M
Msn1998a ten Brummelaar, T.A., & McAlister, H.A.
Msn1998a AJ 115, 821, 1998
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 BU Burnham, S.W. (BU 1 - 81)
179 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
18152-2023 SNA 83 AE 2012 1 242 7.3 5.88 13.20 O9.5II-II N K 181512.97-202316.7



If you need more information about this double, apply for a data request form to the WDS.





WDS 18152-2023 SNA 83 AE : VISUAL OBSERVATIONS REPORTS

No records found.




WDS 18152-2023 SNA 83 AE : MEASURES

No records found.



WDS 18152-2023 : VIRTUAL EYEPIECE


18152-2023 BU  286A mag 5.95 Sp O9IV 18152-2023 CHR 255Ab sep 0.1 P.A. 157.70 mag 6.9 18152-2023 BU  286B sep 6.0 P.A. 214.50 mag 13 18152-2023 SNA  83C sep 5.8 P.A. 25.70 mag 13.43 18152-2023 SNA  83D sep 6.1 P.A. 281.50 mag 13.04 18152-2023 SNA  83E sep 7.0 P.A. 240.70 mag 13.2 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only




WDS 18152-2023 : ALADIN DSS IMAGE @ 18h 15m 12.97s -20° 23' 16.7"





WDS 18152-2023 SNA 83 AE : NEIGHBORHOODS

FoV:
Limit:
Primaries only


18152-2023  CHR 255Aa,Ab distance=1' 18152-2023  BU  286AB distance=1' 18152-2023  SNA  83AC distance=1' 18152-2023  SNA  83AD distance=1' 18152-2023  SNA  83AE distance=1' 18163-2027  SKF1039 distance=16' 18152-2044  TOK  59AB distance=21' 18152-2044  SNA  82Aa,Ab distance=21' 18152-2044  SNA  82AC distance=21' 18152-2044  SNA  82AD distance=21' 18167-2022  SKF  99 distance=21' 18163-2008  ARA1143 distance=22' 18166-2033  MCA  51 distance=22' 18168-2027  ARA1144 distance=22' 18158-2001  CLL  12 distance=24' 18154-1956  B  1883 distance=28' 18150-1955  TOB 275CF distance=28' 18150-1955  HJ 2823AB distance=28' 18150-1955  TOB 275AC distance=28' 18150-1955  TOB 275AD distance=28' 18150-1955  TOB 275DE distance=29' 18173-2029  BHA  26 distance=30' 18131-2024  J  1621AC distance=30' 18131-2024  ARA1141AB distance=30' 18131-2024  SKF1038CD distance=31' 18140-2052  J  1622 distance=32' 18146-2055  KPP1769 distance=34' 18157-1950  B  1884 distance=34' 18155-2057  TDS 911 distance=35' 18128-2024  DON 886 distance=35' 18178-2039  ARA1146 distance=39' 18150-1945  TOB 276 distance=39' 18137-1949  TOB 277 distance=40' 18171-1952  HJ 2827 distance=42' 18162-2105  ARA1523 distance=44' 18136-2101  GLP  13 distance=45' 18138-2104  H 5   7AB (Polis) distance=46' 18138-2104  BU  292AC (Polis) distance=46' 18138-2104  HJ 2822AD (Polis) distance=46' 18138-2104  HJ 2822AE (Polis) distance=46' 18138-2104  SLV   7BD distance=46' 18138-2104  SLV   7BE distance=46' 18135-1945  OCC 467 distance=46' 18147-1939  J  1623 distance=46' 18129-1945  OCC 465 distance=51' 18115-2023  ARA1137 distance=52' 18121-2054  ARA1139 distance=54' 18140-1931  ARA 737 distance=55' 18156-1929  RST5108 distance=55' 18177-1940  BU  246AB distance=56' 18177-1940  WSI  89Ba,Bb distance=56' grafico limitrofi
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 18152-2023 CHR 255 Aa,Ab 156 0.1 1
Show 18152-2023 BU 286 AB 216 6.1 1
Show 18152-2023 SNA 83 AC 27 5.9 1
Show 18152-2023 SNA 83 AD 281 6.5 1
Show 18152-2023 SNA 83 AE 242 7.3 1
Show 18163-2027 SKF1039 336 3.7 16
Show 18152-2044 TOK 59 AB 77 1.3 21
Show 18152-2044 SNA 82 Aa,Ab 203 0.0 21
Show 18152-2044 SNA 82 AC 356 2.3 21
Show 18152-2044 SNA 82 AD 108 7.1 21
Show 18167-2022 SKF 99 141 3.0 21
Show 18163-2008 ARA1143 18 10.9 22
Show 18166-2033 MCA 51 321 0.1 22
Show 18168-2027 ARA1144 336 9.7 22
Show 18158-2001 CLL 12 199 22.9 24
Show 18154-1956 B 1883 53 0.2 28
Show 18150-1955 TOB 275 CF 110 75.5 28
Show 18150-1955 HJ 2823 AB 330 20.3 28
Show 18150-1955 TOB 275 AC 91 23.2 28
Show 18150-1955 TOB 275 AD 47 30.3 28
Show 18150-1955 TOB 275 DE 37 36.3 29
Show 18173-2029 BHA 26 352 5.5 30
Show 18131-2024 J 1621 AC 301 15.8 30
Show 18131-2024 ARA1141 AB 286 8.0 30
Show 18131-2024 SKF1038 CD 187 4.1 31
Show 18140-2052 J 1622 45 7.7 32
Show 18146-2055 KPP1769 268 13.7 34
Show 18157-1950 B 1884 85 0.2 34
Show 18155-2057 TDS 911 102 1.0 35
Show 18128-2024 DON 886 205 4.9 35
Show 18178-2039 ARA1146 351 11.0 39
Show 18150-1945 TOB 276 345 13.0 39
Show 18137-1949 TOB 277 130 23.5 40
Show 18171-1952 HJ 2827 253 19.9 42
Show 18162-2105 ARA1523 90 1.2 44
Show 18136-2101 GLP 13 245 25.0 45
Show Polis 18138-2104 H 5 7 AB 258 16.9 46
Show Polis 18138-2104 BU 292 AC 119 25.5 46
Show Polis 18138-2104 HJ 2822 AD 312 48.2 46
Show Polis 18138-2104 HJ 2822 AE 114 50.2 46
Show 18138-2104 SLV 7 BD 331 40.8 46
Show 18138-2104 SLV 7 BE 106 64.4 46
Show 18135-1945 OCC 467 -1 0.1 46
Show 18147-1939 J 1623 29 5.7 46
Show 18129-1945 OCC 465 -1 0.1 51
Show 18115-2023 ARA1137 334 4.1 52
Show 18121-2054 ARA1139 123 10.6 54
Show 18140-1931 ARA 737 104 14.0 55
Show 18156-1929 RST5108 76 0.3 55
Show 18177-1940 BU 246 AB 116 0.5 56
Show 18177-1940 WSI 89 Ba,Bb 321 0.1 56





WDS 18152-2023 : COMPONENTS

  A Ab B C D
Ab pa=157.7°
sep=0.09"
 
B pa=214.5°
sep=5.95"
pa=215.3°
sep=5.90"
 
C pa=25.7°
sep=5.81"
pa=25.1°
sep=5.88"
pa=30.2°
sep=11.73"
 
D pa=281.5°
sep=6.12"
pa=282.2°
sep=6.17"
pa=336.8°
sep=6.66"
pa=244.7°
sep=9.42"
 
E pa=240.7°
sep=6.98"
pa=241.5°
sep=6.97"
pa=298.7°
sep=3.10"
pa=224.9°
sep=12.21"
pa=181.2°
sep=4.63"








18152-2023 A

Coord arcsec 2000 181512.97-202316.7 Mag 5.95 Spectral class O9IV (blue) PmRA 5.00
PmDE -3.0 SAO 186544 HIP 89440 Tycho2 6272-00089-1
HD 167263 HR 6823 GC 24895 ADS 11191
BD BD-20 5055 Flamsteed 16 Sagittarii Flamsteed name 16 Sgr


Tycho2
Tycho2 6272-00089-1 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 5.936 E BTmag 0.014 VTmag 5.954
E VTmag 0.010 Prox 999 TYC T HIP 89440
CCDM RAdeg 273.80404000 DEdeg -20.38797056 EpRA 1990 1.84
EpDE 1990 1.76 E RAdeg 3.4 E DEdeg 3.9 Posflg
Corr 0.0


SAO
SAO 186544 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 0 Vmag 6 SpType B1
Double code Source 70 CatNum 24895 DM BD-20 5055
DMcomp BDsup HD 167263 M HD 0
GC 24895 RA1950rad 4.76579364 DE1950rad -0.35612778 PmRA2000 -0.0001
PmDE2000 0.001


Hipparcos
Catalog H HIP 89440 Proxy RAhms 18 15 12.97
DEdms -20 23 16.7 Vmag 5.96 VarFlag R Vmag H
RAdeg 273.804 DEdeg -20.388 AstroRef Plx -0.22
CCDM 18152-2023 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 167263 BD BD-20 5055
CD CP Dm number -20 5055 VIred 0.13
SpType B0.5Ib/II R SpType Coord arcsec 2000 181512.97-202316.7


Hipparcos 2
HIP 89440 Sn 5 So 0 Nc 1
RArad 4.7787819707 DErad -0.3558371945 Plx -0.43 PmRA -0.01
PmDE -1.38 E RArad 0.32 E DErad 0.23 E Plx 0.39
E pmRA 0.46 E pmDE 0.3 Hpmag 5.9569 E Hpmag 0.001
SHp 0.006 VA 0 BV -0.023 E BV 0.005
VI 0


CCDM
Ccdm 18152-2023 RComp Comp A Note1
Note2 Discov num DRAs 1.04 DDEs -14.4
R dRAs 41 Year Theta Rho
Obs 2 Vmag 6.0 Sp B1 PmNote $
PmRA 0 PmDE 1 Dm number -20 5055 Cat1 BD
Name2 186544 Cat2 SAO HD 167263 M HD
ADS BDS A11191 M ADS BDS N IDS IDS 18093S2025A
HIC 89440






18152-2023 Ab

Coord arcsec 2000 181512.97-202316.8 Mag 6.9 Calc delta mag 0.4 Calc coord yes






18152-2023 B

Coord arcsec 2000 181512.73-202321.6 Mag 13 Calc delta mag 6.5 Calc coord yes


CCDM
Ccdm 18152-2023 RComp Comp B Note1
Note2 Discov num BU 286 DRAs 0.82 DDEs -20.2
R dRAs 90 Year 1878 Theta 216 Rho 6.0
Obs 6 Vmag 13.0 Sp PmNote $
PmRA 6 PmDE -7 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11191 M ADS BDS N IDS IDS 18093S2025B
HIC 89440






18152-2023 C

Coord arcsec 2000 181513.15-202311.5 Mag 13.43 Calc delta mag 6.93 Calc coord yes






18152-2023 D

Coord arcsec 2000 181512.54-202315.5 Mag 13.04 Calc delta mag 6.54 Calc coord yes






18152-2023 E

Coord arcsec 2000 181512.54-202320.1 Mag 13.2 Calc delta mag 6.7 Calc coord yes