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Doubles in session


Current system
18054-2300
SNA 80 AC


Nearby doubles
11' : 18055-2312
ARA2211

17' : 18051-2317
B 375

24' : 18039-2250
B 2430

24' : 18060-2238
BRT1513

26' : 18039-2247
ARA1840

26' : 18055-2326
SKF2529AB

27' : 18049-2326
ARA2210

27' : 18043-2239
LYS 32

28' : 18056-2328
ARA2212

33' : 18074-2240
J 3203

34' : 18076-2316
OCC 646

34' : 18042-2231
ARA1843

35' : 18042-2230
S 698AB

35' : 18030-2252
TDS 898

36' : 18041-2230
ARA1841

37' : 18034-2237
ARA1839

38' : 18030-2243
RSS 468

38' : 18068-2228
LYS 34

38' : 18077-2321
OCC 647

39' : 18027-2306
RST3151

42' : 18024-2302
H N 40AB

43' : 18030-2233
ARA1838AB

43' : 18054-2343
TDT 672

44' : 18071-2224
LYS 35AB

48' : 18083-2326
B 378

48' : 18022-2318
B 2851



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18054-2300 SNA 80 AC

 
 
18h 05m 25.74s -23° 00' 20.3" P.A. 21.00 sep 5.6 mag 7.10,11.64 Sp O7:Ia dist. 2173.91 pc (7091.29 l.y.)
 
 
Coord 2000 18054-2300 Discov num SNA  80 Comp AC Coord arcsec 2000 18 05 25.74 -23 00 20.3
Date first 1999 Date last 2012 Obs 2
Pa first 22 Pa last 21.2 P.A. Now (θ) 21.2°
Sep first 5.4 Sep last 5.57 Sep. Now (ρ) 5.57"
Mag pri 7.10 Mag sec 11.64 delta mag (ΔM) 4.54 Spectral class O7:Ia (blue)
Pri motion ra -001 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes K (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.
 
 
18054-2300 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 313845 18 05 26 -23 00 20 LYS 33 AB 2015 9 289 35.2 9.98 10.51 0.53
Show 18 05 26 -23 00 20 SNA 80 AC 2012 2 21 5.6 7.10 11.64 4.54 <===
Show 18 05 26 -23 00 20 SNA 80 AD 2012 2 186 5.6 7.10 11.12 4.02
Show 18 05 26 -23 00 20 SNA 80 AE 2015 2 184 7.8 7.10 12.11 5.01
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius HIP 88597 Tycho2 6842-01045-1 Gaia DR2 4069585661644839808
HD 313846 CD CD-2313879 CP CP-23 6812 Distance 2173.91
Distance ly 7091.29
 
 
WDS 18054-2300 SNA 80 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Lys1987a Pa ? Louys, L. 1987BAORB..10..129L
Lys1987a Bull. R. Astron. Obs. Belgium 10, 129, 1987
Lys1987b Pa ? Louys, L. 1987BAORB..10..136L
Lys1987b Bull. R. Astron. Obs. Belgium 10, 136, 1987
Sna2006 not - Sana, H., Gosset, E., Rauw, G., Sung, H., & Vreux, J.-M. 2006A&A...454.1047S
Sna2006 A&A 454, 1047, 2006
Sna2007 not - Sana, H., Rauw, G., & Gosset, E. 2007ApJ...659.1582S
Sna2007 ApJ 659, 1582, 2007
Sna2008a not - Sana, H., Gosset, E., Naze, Y., Rauw, G., & Linder, N. 2008MNRAS.386..447S
Sna2008a MNRAS 386, 447, 2008
Sna2008b not - Sana, H., Naze, Y., O'Donnell, B., Rauw, G., & Gosset, E. 2008NewAst.13..202S
Sna2008b New Astron. 13, 202, 2008
Sna2009 not - Sana, H., Gosset, E., & Evans, C.J. 2009MNRAS.400.1479S
Sna2009 MNRAS 400, 1479, 2009
Sna2011a not - Sana, H., James, G., & Gosset, E. 2011MNRAS.416..817S
Sna2011a MNRAS 416, 817, 2011
Sna2011b not - Sana, H., LeBouquin, J.-B., DeBecker, M., Berger, J., de Koter, A., & Merand, A. 2011ApJ...740L..43S
Sna2011b ApJ 740, L43
Sna2012 not - Sana, H., de Mink, S.E., de Koter, A., et al. 2012Sci...337..444S
Sna2012 Science 337, 444, 2012
Sna2013 Kv j Sana, H., LeBouquin, J.-B., Mahy, L., Absil, O., DeBecker, M., & Gosset 2013A&A...553A.131S
Sna2013 A&A 553, A131, 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)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18054-2300 SNA 80 AC 2012 1 21 5.6 7.10 11.64 O7:Ia K 180525.74-230020.3

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

 
 
WDS 18054-2300 SNA 80 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18054-2300 SNA 80 AC : MEASURES
 
 
No records found.

 
 
WDS 18054-2300 : VIRTUAL EYEPIECE
 
 

18054-2300 LYS 33A mag 9.98 Sp WN9h 18054-2300 LYS 33B sep 32.7 P.A. 290.00 mag 10.51 Sp OB 18054-2300 SNA 80C sep 5.5 P.A. 19.60 mag 11.64 18054-2300 SNA 80D sep 5.6 P.A. 185.10 mag 11.12 18054-2300 SNA 80E sep 7.8 P.A. 183.60 mag 12.11 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 18054-2300 : ALADIN DSS IMAGE @ 18h 05m 25.74s -23° 00' 20.3"
 
 
 
 
WDS 18054-2300 SNA 80 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18054-2300 LYS 33AB distance=1' 18054-2300 SNA 80AC distance=1' 18054-2300 SNA 80AD distance=1' 18054-2300 SNA 80AE distance=1' 18055-2312 ARA2211 distance=11' 18051-2317 B 375 distance=17' 18039-2250 B 2430 distance=24' 18060-2238 BRT1513 distance=24' 18039-2247 ARA1840 distance=26' 18055-2326 SKF2529BC distance=26' 18055-2326 SKF2529AB distance=26' 18055-2326 SKF2529AC distance=26' 18049-2326 ARA2210 distance=27' 18043-2239 LYS 32 distance=27' 18056-2328 ARA2212 distance=28' 18074-2240 J 3203 distance=33' 18076-2316 OCC 646 distance=34' 18042-2231 ARA1843 distance=34' 18042-2230 S 698AB distance=35' 18042-2230 WFC 289AD distance=35' 18030-2252 TDS 898 distance=35' 18042-2230 B 1875BC distance=36' 18042-2230 ARA1842DE distance=36' 18041-2230 ARA1841 distance=36' 18034-2237 ARA1839 distance=37' 18030-2243 RSS 468 distance=38' 18068-2228 LYS 34 distance=38' 18077-2321 OCC 647 distance=38' 18027-2306 RST3151 distance=39' 18024-2302 H N 40AB distance=42' 18024-2302 H N 6AC distance=42' 18024-2302 TRN 26AH distance=42' 18024-2302 H N 6AE distance=42' 18024-2302 HLD 175AF distance=42' 18024-2302 H N 6AG distance=42' 18024-2302 SNA 77Aa,Ab distance=42' 18024-2302 SNA 77AI distance=42' 18024-2302 SNA 77AJ distance=42' 18024-2302 H N 6CD distance=43' 18024-2302 H N 6CE distance=43' 18024-2302 H N 6CF distance=43' 18024-2302 H N 6CG distance=43' 18030-2233 ARA1838BC distance=43' 18030-2233 ARA1838AB distance=43' 18030-2233 ABH 93AD distance=43' 18030-2233 ABH 93AE distance=43' 18030-2233 ABH 93AF distance=43' 18030-2233 ABH 93AG distance=43' 18030-2233 ABH 93AH distance=43' 18030-2233 ABH 93AI distance=43' 18030-2233 ABH 93AJ distance=43' 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 18054-2300 LYS 33 AB 289 35.2 1
Show 18054-2300 SNA 80 AC 21 5.6 1
Show 18054-2300 SNA 80 AD 186 5.6 1
Show 18054-2300 SNA 80 AE 184 7.8 1
Show 18055-2312 ARA2211 89 10.8 11
Show 18051-2317 B 375 168 0.9 17
Show 18039-2250 B 2430 7 8.8 24
Show 18060-2238 BRT1513 56 4.4 24
Show 18039-2247 ARA1840 267 8.0 26
Show 18055-2326 SKF2529 BC 251 3.1 26
Show 18055-2326 SKF2529 AB 56 1.8 26
Show 18055-2326 SKF2529 AC 271 1.5 26
Show 18049-2326 ARA2210 145 8.7 27
Show 18043-2239 LYS 32 12 23.9 27
Show 18056-2328 ARA2212 155 10.0 28
Show 18074-2240 J 3203 92 3.8 33
Show 18076-2316 OCC 646 -1 0.1 34
Show 18042-2231 ARA1843 338 11.3 34
Show 18042-2230 S 698 AB 316 29.7 35
Show 18042-2230 WFC 289 AD 13 39.2 35
Show 18030-2252 TDS 898 116 2.0 35
Show 18042-2230 B 1875 BC 236 0.5 36
Show 18042-2230 ARA1842 DE 110 12.6 36
Show 18041-2230 ARA1841 33 7.5 36
Show 18034-2237 ARA1839 42 12.4 37
Show 18030-2243 RSS 468 288 11.4 38
Show 18068-2228 LYS 34 114 5.7 38
Show 18077-2321 OCC 647 -1 0.1 38
Show 18027-2306 RST3151 32 1.3 39
Show 18024-2302 H N 40 AB 20 6.2 42
Show 18024-2302 H N 6 AC 212 10.7 42
Show 18024-2302 TRN 26 AH 345 1.5 42
Show 18024-2302 H N 6 AE 205 16.2 42
Show 18024-2302 HLD 175 AF 108 22.1 42
Show 18024-2302 H N 6 AG 212 40.7 42
Show 18024-2302 SNA 77 Aa,Ab 248 0.0 42
Show 18024-2302 SNA 77 AI 43 3.1 42
Show 18024-2302 SNA 77 AJ 165 6.5 42
Show 18024-2302 H N 6 CD 280 2.4 43
Show 18024-2302 H N 6 CE 191 6.0 43
Show 18024-2302 H N 6 CF 85 26.8 43
Show 18024-2302 H N 6 CG 212 30.0 43
Show 18030-2233 ARA1838 BC 121 8.6 43
Show 18030-2233 ARA1838 AB 138 8.3 43
Show 18030-2233 ABH 93 AD 354 34.1 43
Show 18030-2233 ABH 93 AE 159 40.7 43
Show 18030-2233 ABH 93 AF 186 66.0 43
Show 18030-2233 ABH 93 AG 222 24.9 43
Show 18030-2233 ABH 93 AH 255 28.4 43
Show 18030-2233 ABH 93 AI 234 73.3 43
Show 18030-2233 ABH 93 AJ 284 104.1 43

 
 
WDS 18054-2300 : COMPONENTS
 
 
  A B C D
B pa=290.0°
sep=32.68"
 
C pa=19.6°
sep=5.51"
pa=100.4°
sep=33.11"
 
D pa=185.1°
sep=5.58"
pa=119.0°
sep=34.53"
pa=192.3°
sep=11.00"
 
E pa=183.6°
sep=7.83"
pa=122.1°
sep=35.69"
pa=190.2°
sep=13.22"
pa=180.0°
sep=2.26"
 
 
18054-2300 A
 
 
Name HD 313846 Coord arcsec 2000 180525.74-230020.3 Mag 9.98 Spectral class WN9h (Wolf-Rayet)
PmRA -1.00 PmDE -3.0 HIP 88597 Tycho2 6842-01045-1
HD 313846 CD CD-2313879 CP CP-23 6812
Tycho2
Tycho2 6842-01045-1 Pflag RAmdeg 271.35723831 DEmdeg -23.00565168
PmRA -1.0 PmDE -2.3 E RAmdeg 21 E DEmdeg 28
E pmRA 1.6 E pmDE 1.8 EpRAm 1985.65 EpDEm 1985.63
Num 6 Q RAmdeg 0.9 Q DEmdeg 0.9 Q pmRA 0.9
Q pmDE 0.9 BTmag 10.881 E BTmag 0.053 VTmag 9.983
E VTmag 0.035 Prox 352 TYC T HIP 88597
CCDM RAdeg 271.35724333 DEdeg -23.00564889 EpRA 1990 1.86
EpDE 1990 1.83 E RAdeg 23.6 E DEdeg 30.5 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 88597 Proxy RAhms 18 05 25.74
DEdms -23 00 20.3 Vmag 9.86 VarFlag R Vmag G
RAdeg 271.357 DEdeg -23.0056 AstroRef Plx -0.52
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 313846 BD
CD CD-2313879 CP CP-23 6812 Dm number -2313879 VIred 0.84
SpType WN... R SpType Coord arcsec 2000 180525.74-230020.3
Hipparcos 2
HIP 88597 Sn 5 So 0 Nc 1
RArad 4.7360771044 DErad -0.4015242129 Plx -0.46 PmRA 3.07
PmDE -1.64 E RArad 1.62 E DErad 1.05 E Plx 1.79
E pmRA 2.11 E pmDE 1.22 Hpmag 9.9876 E Hpmag 0.0032
SHp 0.024 VA 0 BV 0.809 E BV 0.005
VI 0.84
CCDM
Ccdm 18054-2300 RComp Comp A Note1
Note2 Discov num DRAs -0.68 DDEs -8.1
R dRAs 43 Year Theta Rho
Obs 2 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 -23 6812 Cat2 CPD HD M HD
ADS BDS M ADS BDS N IDS * IDS 17593S2300A
HIC
 
 
18054-2300 B
 
 
Coord arcsec 2000 180523.52-230009.1 Mag 10.51 Spectral class OB (blue) PmRA 2.00
PmDE 2.0 Tycho2 6842-01307-1 HD 313845 Calc delta mag 0.53
Calc coord yes
Tycho2
Tycho2 6842-01307-1 Pflag RAmdeg 271.34715511 DEmdeg -23.00254502
PmRA 0.6 PmDE 1.6 E RAmdeg 26 E DEmdeg 33
E pmRA 1.9 E pmDE 1.9 EpRAm 1989.31 EpDEm 1987.31
Num 5 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.8
Q pmDE 0.6 BTmag 10.537 E BTmag 0.041 VTmag 10.514
E VTmag 0.054 Prox 352 TYC T HIP
CCDM RAdeg 271.34715361 DEdeg -23.00254833 EpRA 1990 1.87
EpDE 1990 1.82 E RAdeg 25.6 E DEdeg 33.6 Posflg
Corr -0.1
CCDM
Ccdm 18054-2300 RComp Comp B Note1
Note2 Discov num LYS 33 DRAs 1.74 DDEs -19.0
R dRAs 43 Year 1984 Theta 108 Rho 35.1
Obs 1 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number -2313879 Cat1 CD
Name2 -23 6815 Cat2 CPD HD M HD
ADS BDS M ADS BDS N IDS * IDS 17593S2300B
HIC 88597
 
 
18054-2300 C
 
 
Coord arcsec 2000 180525.87-230015.1 Mag 11.64 Calc delta mag 1.66 Calc coord yes
 
 
18054-2300 D
 
 
Coord arcsec 2000 180525.70-230025.9 Mag 11.12 Calc delta mag 1.14 Calc coord yes
 
 
18054-2300 E
 
 
Coord arcsec 2000 180525.70-230028.1 Mag 12.11 Calc delta mag 2.13 Calc coord yes