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

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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
 
 

18061-2412 B   376A mag 7.2 Sp O9III: 18061-2412 SNA  81Ab mag 10.1 18061-2412 B   376B sep 1.8 P.A. 97.90 mag 11.2 18061-2412 SNA  81C sep 6.3 P.A. 222.20 mag 12.89 18061-2412 SNA  81D sep 7.9 P.A. 7.50 mag 13.21 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 18061-2412 : ALADIN DSS IMAGE @ 18h 06m 04.67s -24° 11' 43.8"
 
 
 
 
WDS 18061-2412 SNA 81 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18061-2412  SNA  81Aa,Ab distance=0' 18056-2356  ARA2213 distance=18' 18047-2421  HJ 5010 distance=22' 18044-2423  RBR   8 distance=26' 18042-2415  BU 1126AB distance=26' 18042-2415  HJ 5009AB,C distance=26' 18042-2415  DAW 218AB,D distance=26' 18044-2421  TDT 662 distance=26' 18039-2419  SNA  79 distance=30' 18054-2343  TDT 672 distance=31' 18039-2422  SNA  78 distance=32' 18037-2423  AEN   1AB distance=35' 18037-2423  SBE   1Aa,Ab distance=35' 18056-2328  ARA2212 distance=45' 18055-2326  SKF2529AB distance=47' 18055-2326  SKF2529AC distance=47' 18055-2326  SKF2529BC distance=47' 18026-2415  RST3149AB distance=48' 18026-2415  ARG  31AC distance=48' 18026-2415  BU 1462AD distance=48' 18049-2326  ARA2210 distance=49' 18094-2432  BRT3062 distance=51' 18097-2355  TDT 715 distance=53' 18099-2406  BAR   9AB distance=54' 18099-2406  HJ 5026AC distance=54' 18083-2326  B   378 distance=56' 18077-2321  OCC 647 distance=57' 18051-2317  B   375 distance=57' 18076-2316  OCC 646 distance=60' 18098-2339  TDT 716 distance=61' 18101-2346  RST5104 distance=61' 18055-2312  ARA2211 distance=62' 18092-2326  B   380 distance=63' 18057-2514  OCC1041AB distance=63' 18057-2514  OCC1041AC distance=63' 18023-2452  RST3148 distance=66' 18090-2319  RST5103 distance=67' 18092-2504  J  2196 distance=67' 18009-2413  RST3147 distance=72' 18054-2300  LYS  33AB distance=72' 18054-2300  SNA  80AC distance=72' 18054-2300  SNA  80AD distance=72' 18054-2300  SNA  80AE distance=72' 18064-2525  RCH   6 distance=74' 18022-2318  B  2851 distance=76' 18041-2523  OCC1036AB distance=77' 18041-2523  OCC1036AC distance=77' 18117-2404  B  2858 distance=77' 18107-2454  J  1594 distance=78' 18036-2523  OCC1035 distance=80' 18027-2306  RST3151 distance=81' grafico limitrofi
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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
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
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
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
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