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Current system
16541-4105
SNA 52 AB


Nearby doubles
10' : 16549-4104
I 101

11' : 16539-4115
RST1905

11' : 16550-4109
I 576AB

15' : 16547-4053
WG 191

18' : 16547-4121
TDS 843

23' : 16554-4047
I 1600

24' : 16526-4122
CPO 496

24' : 16564-4104
CPO 501

24' : 16548-4043
WG 192

27' : 16523-4048
RST1903

29' : 16525-4126
CPO 495

32' : 16550-4035
SEE 304

33' : 16563-4043
WG 193

34' : 16521-4041
I 1599

34' : 16542-4139
SNA 53AB

35' : 16549-4031
SNA 57

35' : 16563-4041
TDT 153

36' : 16563-4040
HDS2394AB

36' : 16538-4140
CPO 498

36' : 16573-4108
BRT 939

38' : 16523-4136
B 1832AB

39' : 16540-4143
SNA 50AB

40' : 16542-4146
SEE 298AB

44' : 16579-4108
KPP3007

44' : 16540-4148
B 1833AB

44' : 16545-4148
SNA 56AB



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.

16541-4105 SNA 52 AB

 
 
16h 54m 05.30s -41° 04' 46.1" P.A. 307.00 sep 3.7 mag 6.82,14.10 Sp O9V dist. 2040.82 pc (6657.15 l.y.)
 
 
Coord 2000 16541-4105 Discov num SNA  52 Comp AB Coord arcsec 2000 16 54 05.30 -41 04 46.1
Date first 2012 Date last 2012 Obs 1
Pa first 307 Pa last 307.3 P.A. Now (θ) 307.3°
Sep first 3.7 Sep last 3.69 Sep. Now (ρ) 3.69"
Mag pri 6.82 Mag sec 14.10 delta mag (ΔM) 7.28 Spectral class O9V (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.
 
 
16541-4105 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 227381 16 54 05 -41 04 46 SNA 52 Aa,Ab 2014 3 218 0.0 7.50 7.70 0.20
Show 227381 16 54 05 -41 04 46 SNA 52 AB 2012 1 307 3.7 6.82 14.10 7.28 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 227381 HIP 82685 Tycho2 7872-01796-1
Gaia DR2 5969564157008128512 HD 152246 GC 22735 CD CD-4010884
CP CP-40 7570 Distance 2040.82 Distance ly 6657.15
 
 
WDS 16541-4105 SNA 52 AB : NOTES
 
 
discov_num notes refcode
SNA 52 Aa,Ab: This is a 470d hierarchical triple system (Chini et al. 2012) Cii2012
that PIONIER resolves with a separation of 3mas. A combined
spectroscopic/interferometric solution is presented in Nasseri et al.
(2014, A&A in press.) Sna2014
 
 
REFERENCES
 
 
refcode metd author reference
Cii2012 not - Chini, R., Hoffmeister, V.H., Nasseri, A., Stahl, O., & Zinnecker, H. 2012MNRAS.424.1925C
Cii2012 MNRAS 424, 1925, 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
16541-4105 SNA 52 AB 2012 1 307 3.7 6.82 14.10 O9V K 165405.30-410446.1

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

 
 
WDS 16541-4105 SNA 52 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16541-4105 SNA 52 AB : MEASURES
 
 
No records found.

 
 
WDS 16541-4105 : VIRTUAL EYEPIECE
 
 

16541-4105 SNA 52A mag 6.82 Sp O9V 16541-4105 SNA 52Ab mag 7.7 16541-4105 SNA 52B sep 3.1 P.A. 315.30 mag 14.1 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 16541-4105 : ALADIN DSS IMAGE @ 16h 54m 05.30s -41° 04' 46.1"
 
 
 
 
WDS 16541-4105 SNA 52 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16541-4105 SNA 52AB distance=0' 16549-4104 I 101 distance=10' 16539-4115 RST1905 distance=11' 16550-4109 I 576AB distance=11' 16550-4109 SNA 58AC distance=11' 16547-4053 WG 191 distance=15' 16547-4121 TDS 843 distance=18' 16554-4047 I 1600 distance=23' 16526-4122 CPO 496 distance=24' 16564-4104 CPO 501 distance=24' 16548-4043 WG 192 distance=24' 16523-4048 RST1903 distance=27' 16525-4126 CPO 495 distance=29' 16550-4035 SEE 304 distance=32' 16563-4043 WG 193 distance=33' 16521-4041 I 1599 distance=34' 16542-4139 SNA 53Aa,Ab distance=34' 16542-4139 SNA 53AB distance=34' 16542-4139 SNA 53AC distance=34' 16549-4031 SNA 57 distance=35' 16563-4041 TDT 153 distance=35' 16563-4040 HDS2394AB distance=36' 16563-4040 SNA 60Aa,Ab distance=36' 16563-4040 SNA 60AC distance=36' 16538-4140 CPO 498 distance=36' 16573-4108 BRT 939 distance=36' 16523-4136 B 1832AB distance=38' 16523-4136 B 1832AC distance=38' 16540-4143 SEE 296AC distance=39' 16540-4143 SNA 50AB distance=39' 16542-4146 SEE 298AB distance=40' 16542-4146 SEE 298AC distance=40' 16540-4148 SEE 294FG distance=43' 16540-4148 HJ 4892FH distance=43' 16540-4148 SNA 51Fa,Fb distance=43' 16579-4108 KPP3007 distance=44' 16540-4148 B 1833AB distance=44' 16540-4148 B 1833AC distance=44' 16540-4148 SEE 293AD distance=44' 16540-4148 SEE 293AE distance=44' 16540-4148 JC 23AF distance=44' 16540-4148 SNA 51Aa,Ab distance=44' 16545-4148 SNA 56Aa,Ab distance=44' 16545-4148 SNA 56AB distance=44' 16545-4148 SNA 56AC distance=44' 16511-4134 TDT 115 distance=45' 16507-4127 HDS2387 distance=45' 16543-4149 B 1834CD distance=45' 16543-4149 BRT 929AB distance=45' 16542-4150 CHR 252Aa,Ab distance=45' 16542-4150 SEE 297AB distance=45' 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 16541-4105 SNA 52 Aa,Ab 218 0.0
Show 16541-4105 SNA 52 AB 307 3.7
Show 16549-4104 I 101 356 1.5 10
Show 16539-4115 RST1905 254 0.6 11
Show 16550-4109 I 576 AB 262 5.5 11
Show 16550-4109 SNA 58 AC 19 3.8 11
Show 16547-4053 WG 191 174 8.8 15
Show 16547-4121 TDS 843 91 1.1 18
Show 16554-4047 I 1600 157 0.4 23
Show 16526-4122 CPO 496 239 5.1 24
Show 16564-4104 CPO 501 158 3.9 24
Show 16548-4043 WG 192 123 6.2 24
Show 16523-4048 RST1903 313 1.2 27
Show 16525-4126 CPO 495 85 4.4 29
Show 16550-4035 SEE 304 244 18.6 32
Show 16563-4043 WG 193 259 8.7 33
Show 16521-4041 I 1599 22 1.0 34
Show 16542-4139 SNA 53 Aa,Ab 1 0.0 34
Show 16542-4139 SNA 53 AB 313 3.2 34
Show 16542-4139 SNA 53 AC 22 5.1 34
Show 16549-4031 SNA 57 115 0.1 35
Show 16563-4041 TDT 153 55 0.4 35
Show 16563-4040 HDS2394 AB 308 0.3 36
Show 16563-4040 SNA 60 Aa,Ab 285 0.0 36
Show 16563-4040 SNA 60 AC 144 1.5 36
Show 16538-4140 CPO 498 69 4.5 36
Show 16573-4108 BRT 939 62 6.2 36
Show 16523-4136 B 1832 AB 234 4.1 38
Show 16523-4136 B 1832 AC 143 5.2 38
Show 16540-4143 SEE 296 AC 240 19.9 39
Show 16540-4143 SNA 50 AB 213 4.3 39
Show 16542-4146 SEE 298 AB 286 6.2 40
Show 16542-4146 SEE 298 AC 144 17.7 40
Show 16540-4148 SEE 294 FG 47 6.7 43
Show 16540-4148 HJ 4892 FH 300 8.8 43
Show 16540-4148 SNA 51 Fa,Fb 54 0.0 43
Show 16579-4108 KPP3007 37 6.0 44
Show 16540-4148 B 1833 AB 75 0.5 44
Show 16540-4148 B 1833 AC 99 5.4 44
Show 16540-4148 SEE 293 AD 127 19.1 44
Show 16540-4148 SEE 293 AE 281 20.5 44
Show 16540-4148 JC 23 AF 19 56.7 44
Show 16540-4148 SNA 51 Aa,Ab 153 0.0 44
Show 16545-4148 SNA 56 Aa,Ab 63 0.0 44
Show 16545-4148 SNA 56 AB 187 3.2 44
Show 16545-4148 SNA 56 AC 141 3.5 44
Show 16511-4134 TDT 115 257 0.4 45
Show 16507-4127 HDS2387 87 0.3 45
Show 16543-4149 B 1834 CD 313 4.6 45
Show 16543-4149 BRT 929 AB 197 3.9 45
Show 16542-4150 CHR 252 Aa,Ab 237 0.1 45

 
 
WDS 16541-4105 : COMPONENTS
 
 
  A Ab
Ab pa=210.0°
sep=0.00"
 
B pa=315.3°
sep=3.15"
pa=315.4°
sep=3.15"
 
 
16541-4105 A
 
 
Coord arcsec 2000 165405.30-410446.1 Mag 6.82 Spectral class O9V (blue) PmRA 0.00
PmDE -1.0 SAO 227381 HIP 82685 Tycho2 7872-01796-1
HD 152246 GC 22735 CD CD-4010884 CP CP-40 7570
Tycho2
Tycho2 7872-01796-1 Pflag RAmdeg 253.52208529 DEmdeg -41.07947475
PmRA 1.2 PmDE -1.5 E RAmdeg 5 E DEmdeg 6
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.19 EpDEm 1990.85
Num 13 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.7 BTmag 7.478 E BTmag 0.016 VTmag 7.360
E VTmag 0.012 Prox 999 TYC T HIP 82685
CCDM RAdeg 253.52208167 DEdeg -41.07947111 EpRA 1990 1.74
EpDE 1990 1.62 E RAdeg 5.2 E DEdeg 6.1 Posflg
Corr 0.1
SAO
SAO 227381 DelFlag RA1950 PmRA1950 0.0024
DE1950 PmDE1950 -0.01 Vmag 7.6 SpType B3
Double code Source 70 CatNum 22735 DM CD-4010884
DMcomp BDsup HD 152246 M HD 0
GC 22735 RA1950rad 4.4095725 DE1950rad -0.71555926 PmRA2000 0.0024
PmDE2000 -0.009
Hipparcos
Catalog H HIP 82685 Proxy RAhms 16 54 05.30
DEdms -41 04 46.1 Vmag 7.32 VarFlag R Vmag H
RAdeg 253.522 DEdeg -41.0795 AstroRef Plx -0.1
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 152246 BD
CD CD-4010884 CP CP-40 7570 Dm number -4010884 VIred 0.1
SpType O9:III: R SpType Coord arcsec 2000 165405.30-410446.1
Hipparcos 2
HIP 82685 Sn 5 So 0 Nc 1
RArad 4.4247949476 DErad -0.7169720584 Plx 0.49 PmRA 0.48
PmDE -1.24 E RArad 0.63 E DErad 0.43 E Plx 0.7
E pmRA 0.69 E pmDE 0.52 Hpmag 7.3747 E Hpmag 0.0012
SHp 0.01 VA 0 BV 0.135 E BV 0.017
VI 0.15
 
 
16541-4105 Ab
 
 
Coord arcsec 2000 165405.30-410446.1 Mag 7.7 Calc delta mag 0.2 Calc coord yes
 
 
16541-4105 B
 
 
Coord arcsec 2000 165405.10-410443.9 Mag 14.1 Calc delta mag 6.6 Calc coord yes