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Doubles in session


Current system
16542-4139
SNA 53 AB


Nearby doubles
5' : 16538-4140
CPO 498

5' : 16540-4143
SNA 50AB

6' : 16542-4146
SEE 298AB

11' : 16540-4148
B 1833AB

11' : 16545-4148
SNA 56AB

11' : 16543-4149
BRT 929AB

11' : 16542-4150
SEE 297AB

12' : 16546-4150
BRT 934

12' : 16544-4150
HJ 4893AB

12' : 16543-4150
B 1835

12' : 16543-4151
CPO 500

13' : 16542-4151
WFC 183AB

13' : 16541-4151
SEE 295

15' : 16539-4153
SNA 49AB

16' : 16545-4153
SEE 302AB

18' : 16528-4147
SNA 47

19' : 16547-4121
TDS 843

22' : 16523-4136
B 1832AB

23' : 16525-4126
CPO 495

24' : 16539-4115
RST1905

25' : 16548-4202
RST1907

25' : 16526-4122
CPO 496

29' : 16551-4205
SEE 303

30' : 16535-4207
SNA 48

31' : 16550-4109
I 576AB

34' : 16541-4105
SNA 52AB



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16542-4139 SNA 53 AB

 
 
16h 54m 11.52s -41° 38' 30.9" P.A. 313.00 sep 3.2 mag 6.59,13.83 Sp O9.5III
 
 
Coord 2000 16542-4139 Discov num SNA  53 Comp AB Coord arcsec 2000 16 54 11.52 -41 38 30.9
Date first 2012 Date last 2012 Obs 1
Pa first 313 Pa last 313.4 P.A. Now (θ) 313.4°
Sep first 3.2 Sep last 3.15 Sep. Now (ρ) 3.15"
Mag pri 6.59 Mag sec 13.83 delta mag (ΔM) 7.24 Spectral class O9.5III (blue)
Pri motion ra +000 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.
 
 
16542-4139 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 227384 16 54 12 -41 38 31 SNA 53 Aa,Ab 2014 15 1 0.0 6.90 8.30 1.40 Y
Show 227384 16 54 12 -41 38 31 SNA 53 AB 2012 1 313 3.2 6.59 13.83 7.24 <===
Show 227384 16 54 12 -41 38 31 SNA 53 AC 2012 1 22 5.1 6.59 12.65 6.06
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 227384 Tycho2 7876-02339-1 Gaia DR2 5966524419650392832
HD 152247 DM CP-41 7732
 
 
WDS 16542-4139 SNA 53 AB : NOTES
 
 
discov_num notes refcode
SNA 53 Aa,Ab: We resolve the long-period SB2 discussed in Sana et al. (2012). Sna2012
Four new faint wide companions are also detected in the NACO FOV. Sna2014
 
 
REFERENCES
 
 
refcode metd author reference
Sna2012 not - Sana, H., de Mink, S.E., de Koter, A., et al. 2012Sci...337..444S
Sna2012 Science 337, 444, 2012
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
16542-4139 SNA 53 AB 2012 1 313 3.2 6.59 13.83 O9.5III K 165411.52-413830.9

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

 
 
WDS 16542-4139 SNA 53 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16542-4139 SNA 53 AB : MEASURES
 
 
No records found.

 
 
WDS 16542-4139 : VIRTUAL EYEPIECE
 
 

16542-4139 SNA 53A mag 6.59 Sp O9.5III 16542-4139 SNA 53Ab mag 8.3 16542-4139 SNA 53B sep 2.8 P.A. 321.70 mag 13.83 16542-4139 SNA 53C sep 4.9 P.A. 17.00 mag 12.65 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 16542-4139 : ALADIN DSS IMAGE @ 16h 54m 11.52s -41° 38' 30.9"
 
 
 
 
WDS 16542-4139 SNA 53 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16542-4139 SNA 53AB distance=0' 16538-4140 CPO 498 distance=5' 16540-4143 SEE 296AC distance=5' 16540-4143 SNA 50AB distance=5' 16542-4146 SEE 298AB distance=6' 16542-4146 SEE 298AC distance=6' 16540-4148 SEE 294FG distance=10' 16540-4148 HJ 4892FH distance=10' 16540-4148 SNA 51Fa,Fb distance=10' 16540-4148 B 1833AB distance=11' 16540-4148 B 1833AC distance=11' 16540-4148 SEE 293AD distance=11' 16540-4148 SEE 293AE distance=11' 16540-4148 JC 23AF distance=11' 16540-4148 SNA 51Aa,Ab distance=11' 16545-4148 SNA 56Aa,Ab distance=11' 16545-4148 SNA 56AB distance=11' 16545-4148 SNA 56AC distance=11' 16543-4149 B 1834CD distance=11' 16543-4149 BRT 929AB distance=11' 16542-4150 CHR 252Aa,Ab distance=11' 16542-4150 SEE 297AB distance=11' 16542-4150 SEE 297AC distance=11' 16542-4150 SEE 300DE distance=12' 16546-4150 BRT 934 distance=12' 16544-4150 HJ 4893AB distance=12' 16544-4150 SNA 55AC distance=12' 16544-4150 SNA 55AD distance=12' 16543-4150 B 1835 distance=12' 16543-4151 CPO 500 distance=12' 16542-4151 SNA 54Ba,Bb distance=13' 16542-4151 SNA 54BC distance=13' 16542-4151 WFC 183AB distance=13' 16541-4151 SEE 295 distance=13' 16539-4153 SNA 49Aa,Ab distance=15' 16539-4153 SNA 49AB distance=15' 16539-4153 SNA 49AC distance=15' 16539-4153 SNA 49AD distance=15' 16539-4153 SNA 49AE distance=15' 16539-4153 SNA 49AF distance=15' 16545-4153 SEE 302AB distance=16' 16545-4153 SGH 1AC distance=16' 16528-4147 SNA 47 distance=18' 16547-4121 TDS 843 distance=19' 16523-4136 B 1832AB distance=22' 16523-4136 B 1832AC distance=22' 16525-4126 CPO 495 distance=23' 16539-4115 RST1905 distance=24' 16548-4202 RST1907 distance=25' 16526-4122 CPO 496 distance=25' 16551-4205 SEE 303 distance=29' 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 16542-4139 SNA 53 Aa,Ab 1 0.0
Show 16542-4139 SNA 53 AB 313 3.2
Show 16542-4139 SNA 53 AC 22 5.1
Show 16538-4140 CPO 498 69 4.5 5
Show 16540-4143 SEE 296 AC 240 19.9 5
Show 16540-4143 SNA 50 AB 213 4.3 5
Show 16542-4146 SEE 298 AB 286 6.2 6
Show 16542-4146 SEE 298 AC 144 17.7 6
Show 16540-4148 SEE 294 FG 47 6.7 10
Show 16540-4148 HJ 4892 FH 300 8.8 10
Show 16540-4148 SNA 51 Fa,Fb 54 0.0 10
Show 16540-4148 B 1833 AB 75 0.5 11
Show 16540-4148 B 1833 AC 99 5.4 11
Show 16540-4148 SEE 293 AD 127 19.1 11
Show 16540-4148 SEE 293 AE 281 20.5 11
Show 16540-4148 JC 23 AF 19 56.7 11
Show 16540-4148 SNA 51 Aa,Ab 153 0.0 11
Show 16545-4148 SNA 56 Aa,Ab 63 0.0 11
Show 16545-4148 SNA 56 AB 187 3.2 11
Show 16545-4148 SNA 56 AC 141 3.5 11
Show 16543-4149 B 1834 CD 313 4.6 11
Show 16543-4149 BRT 929 AB 197 3.9 11
Show 16542-4150 CHR 252 Aa,Ab 237 0.1 11
Show 16542-4150 SEE 297 AB 130 13.2 11
Show 16542-4150 SEE 297 AC 122 23.1 11
Show 16542-4150 SEE 300 DE 265 7.8 12
Show 16546-4150 BRT 934 266 3.0 12
Show 16544-4150 HJ 4893 AB 52 7.3 12
Show 16544-4150 SNA 55 AC 40 1.1 12
Show 16544-4150 SNA 55 AD 326 3.4 12
Show 16543-4150 B 1835 256 3.5 12
Show 16543-4151 CPO 500 313 3.7 12
Show 16542-4151 SNA 54 Ba,Bb 348 0.0 13
Show 16542-4151 SNA 54 BC 142 1.0 13
Show 16542-4151 WFC 183 AB 35 31.0 13
Show 16541-4151 SEE 295 14 5.9 13
Show 16539-4153 SNA 49 Aa,Ab 345 0.1 15
Show 16539-4153 SNA 49 AB 18 2.2 15
Show 16539-4153 SNA 49 AC 332 2.9 15
Show 16539-4153 SNA 49 AD 145 5.1 15
Show 16539-4153 SNA 49 AE 65 5.3 15
Show 16539-4153 SNA 49 AF 175 7.2 15
Show 16545-4153 SEE 302 AB 33 3.2 16
Show 16545-4153 SGH 1 AC 277 4.1 16
Show 16528-4147 SNA 47 91 0.0 18
Show 16547-4121 TDS 843 91 1.1 19
Show 16523-4136 B 1832 AB 234 4.1 22
Show 16523-4136 B 1832 AC 143 5.2 22
Show 16525-4126 CPO 495 85 4.4 23
Show 16539-4115 RST1905 254 0.6 24
Show 16548-4202 RST1907 190 2.0 25

 
 
WDS 16542-4139 : COMPONENTS
 
 
  A Ab B
Ab pa=0.8°
sep=0.00"
 
B pa=321.7°
sep=2.76"
pa=321.7°
sep=2.76"
 
C pa=17.0°
sep=4.94"
pa=17.0°
sep=4.94"
pa=50.9°
sep=4.07"
 
 
16542-4139 A
 
 
Coord arcsec 2000 165411.52-413830.9 Mag 6.59 Spectral class O9.5III (blue) PmRA 0.00
PmDE -1.0 SAO 227384 Tycho2 7876-02339-1 HD 152247
DM CP-41 7732
Tycho2
Tycho2 7876-02339-1 Pflag RAmdeg 253.54798870 DEmdeg -41.64193214
PmRA 0.1 PmDE -1.3 E RAmdeg 5 E DEmdeg 6
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.22 EpDEm 1990.85
Num 8 Q RAmdeg 0.8 Q DEmdeg 1.3 Q pmRA 0.8
Q pmDE 1.2 BTmag 7.367 E BTmag 0.016 VTmag 7.214
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 253.54798833 DEdeg -41.64192917 EpRA 1990 1.69
EpDE 1990 1.52 E RAdeg 4.9 E DEdeg 5.8 Posflg
Corr 0.0
SAO
SAO 227384 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.011 Vmag 9 SpType B2
Double code Source 48 CatNum 15489 DM CP-41 7732
DMcomp BDsup HD 152247 M HD 0
GC RA1950rad 4.40993273 DE1950rad -0.72537893 PmRA2000 -0.0004
PmDE2000 -0.01
 
 
16542-4139 Ab
 
 
Coord arcsec 2000 165411.52-413830.9 Mag 8.3 Calc delta mag 1.4 Calc coord yes
 
 
16542-4139 B
 
 
Coord arcsec 2000 165411.37-413828.7 Mag 13.83 Calc delta mag 6.93 Calc coord yes
 
 
16542-4139 C
 
 
Coord arcsec 2000 165411.65-413826.2 Mag 12.65 Calc delta mag 5.75 Calc coord yes