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Current system
08579-4744
SNA 9 AB


Nearby doubles
15' : 08567-4752
HU 1451

21' : 08593-4730
SKF 487

30' : 08551-4736
SNA 8

31' : 08554-4727
CPO9106AB

32' : 08589-4714
HJ 4161

35' : 08568-4711
TDS6210

36' : 08550-4725
RST5309

39' : 08553-4716
SKF 146

44' : 08538-4731
FIN 316

55' : 08527-4734
RST 358

55' : 08551-4658
TDS6182

56' : 08588-4839
RST5310

57' : 08554-4653
RST 361AB

58' : 09034-4728
POM 4AB

59' : 08521-4751
BRT 754

60' : 09036-4732
RST5312AB

60' : 08535-4824
HDS1284AB

65' : 08515-4740
TDS6142

65' : 09023-4656
SKF 93

66' : 08514-4736
CPO 237

67' : 08513-4744
TDS6137

68' : 09045-4733
KPP1152

69' : 09028-4658
RST 369

70' : 08520-4820
TDS6149

72' : 09032-4833
TDS6273

72' : 09042-4820
SKF 141



Selections
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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.

08579-4744 SNA 9 AB

 
 
08h 57m 54.61s -47° 44' 15.7" P.A. 112.00 sep 5.2 mag 6.06,13.01 Sp O5I
 
 
Coord 2000 08579-4744 Discov num SNA   9 Comp AB Coord arcsec 2000 08 57 54.61 -47 44 15.7
Date first 2013 Date last 2015 Obs 2
Pa first 110 Pa last 111.5 P.A. Now (θ) 111.5°
Sep first 5.2 Sep last 5.206 Sep. Now (ρ) 5.206"
Mag pri 6.06 Mag sec 13.01 delta mag (ΔM) 6.95 Spectral class O5I (blue)
Pri motion ra -004 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.
 
 
08579-4744 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 08 57 55 -47 44 16 SNA 9 Aa,Ab 2015 16 329 0.0 6.30 7.40 1.10 Y
Show 08 57 55 -47 44 16 SNA 9 AB 2015 2 112 5.2 6.06 13.01 6.95 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vela Gaia DR2 5328579939188867200
 
 
WDS 08579-4744 SNA 9 AB : NOTES
 
 
discov_num notes refcode
SNA 9 Aa,Ab: The separation changed from 1.5 to 4.1 mas over 5.6 months,
indicating clear orbital motion. The system exhibits non-thermal X-ray
emission (Benaglia et al. 2001, A&A 535, A53), possibly due to
wind-wind collision in the binary system. Sna2014
 
 
REFERENCES
 
 
refcode metd author reference
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
08579-4744 SNA 9 AB 2013 1 110 5.2 6.06 13.01 O5I V K 085754.61-474415.7
08579-4744 SNA 9 AB 2015 2 112 5.2 6.06 13.01 O5I NV K 085754.61-474415.7

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

 
 
WDS 08579-4744 SNA 9 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08579-4744 SNA 9 AB : MEASURES
 
 
No records found.

 
 
WDS 08579-4744 : VIRTUAL EYEPIECE
 
 

08579-4744 SNA 9A mag 6.06 Sp O5I 08579-4744 SNA 9Ab mag 7.4 08579-4744 SNA 9B sep 3.8 P.A. 120.40 mag 13.01 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 08579-4744 : ALADIN DSS IMAGE @ 08h 57m 54.61s -47° 44' 15.7"
 
 
 
 
WDS 08579-4744 SNA 9 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08579-4744 SNA 9AB distance=0' 08567-4752 HU 1451 distance=15' 08593-4730 SKF 487 distance=21' 08551-4736 SNA 8 distance=30' 08554-4727 CPO9106AB distance=31' 08554-4727 CPO9106AC distance=31' 08589-4714 HJ 4161 distance=32' 08568-4711 TDS6210 distance=35' 08550-4725 RST5309 distance=36' 08553-4716 SKF 146 distance=39' 08538-4731 FIN 316 distance=44' 08527-4734 RST 358 distance=55' 08551-4658 TDS6182 distance=55' 08588-4839 RST5310 distance=56' 08554-4653 RST 361AB distance=57' 08554-4653 SKF 90AB,C distance=57' 09034-4728 POM 4AB distance=58' 09034-4728 POM 4AC distance=58' 09034-4728 POM 4AD distance=58' 09034-4728 POM 4AE distance=58' 08521-4751 BRT 754 distance=59' 09036-4732 RST5312AB distance=60' 08535-4824 TOK 62Ca,Cb distance=60' 08535-4824 HDS1284AB distance=60' 08535-4824 TOK 62A,Ca distance=60' 08515-4740 TDS6142 distance=65' 09023-4656 SKF 93 distance=65' 08514-4736 CPO 237 distance=66' 08513-4744 TDS6137 distance=67' 09045-4733 KPP1152 distance=68' 09028-4658 RST 369 distance=69' 08520-4820 TDS6149 distance=70' 09032-4833 TDS6273 distance=72' 09042-4820 SKF 141 distance=72' 09008-4638 SKF 145 distance=73' 09024-4842 FGS 25 distance=73' 09039-4833 RST5314 distance=78' 08503-4732 TDS6126 distance=78' 09005-4858 WFC 77 distance=79' 09005-4859 RST 365 distance=80' 08544-4856 CPO 243 distance=80' 09002-4901 BRT 757 distance=81' 08543-4856 CPO 242 distance=81' 09006-4859 CPO 246 distance=81' 08520-4841 KPP 181 distance=82' 08544-4859 TDS6176 distance=84' 08547-4903 KPP 710 distance=85' 08555-4622 TDS6188 distance=86' 08528-4855 CPO 239 distance=87' 08562-4909 HU 1450 distance=87' 08551-4622 DON 296AB distance=88' 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 08579-4744 SNA 9 Aa,Ab 329 0.0
Show 08579-4744 SNA 9 AB 112 5.2
Show 08567-4752 HU 1451 331 0.5 15
Show 08593-4730 SKF 487 42 2.2 21
Show 08551-4736 SNA 8 277 0.0 30
Show 08554-4727 CPO9106 AB 322 4.6 31
Show 08554-4727 CPO9106 AC 83 8.7 31
Show 08589-4714 HJ 4161 347 21.4 32
Show 08568-4711 TDS6210 85 0.6 35
Show 08550-4725 RST5309 320 2.8 36
Show 08553-4716 SKF 146 176 6.0 39
Show 08538-4731 FIN 316 90 0.1 44
Show 08527-4734 RST 358 231 2.2 55
Show 08551-4658 TDS6182 288 0.6 55
Show 08588-4839 RST5310 269 0.4 56
Show 08554-4653 RST 361 AB 315 1.6 57
Show 08554-4653 SKF 90 AB,C 162 18.8 57
Show 09034-4728 POM 4 AB 350 1.9 58
Show 09034-4728 POM 4 AC 3 4.8 58
Show 09034-4728 POM 4 AD 94 8.7 58
Show 09034-4728 POM 4 AE 95 8.9 58
Show 08521-4751 BRT 754 264 5.6 59
Show 09036-4732 RST5312 AB 149 1.2 60
Show 08535-4824 TOK 62 Ca,Cb 331 0.1 60
Show 08535-4824 HDS1284 AB 211 19.6 60
Show 08535-4824 TOK 62 A,Ca 128 9.2 60
Show 08515-4740 TDS6142 149 7.7 65
Show 09023-4656 SKF 93 302 3.1 65
Show 08514-4736 CPO 237 4 3.6 66
Show 08513-4744 TDS6137 205 1.4 67
Show 09045-4733 KPP1152 343 9.0 68
Show 09028-4658 RST 369 5 2.3 69
Show 08520-4820 TDS6149 202 2.2 70
Show 09032-4833 TDS6273 99 0.8 72
Show 09042-4820 SKF 141 29 4.4 72
Show 09008-4638 SKF 145 53 6.1 73
Show 09024-4842 FGS 25 332 0.0 73
Show 09039-4833 RST5314 278 1.7 78
Show 08503-4732 TDS6126 235 1.8 78
Show 09005-4858 WFC 77 33 8.4 79
Show 09005-4859 RST 365 60 1.1 80
Show 08544-4856 CPO 243 65 5.4 80
Show 09002-4901 BRT 757 344 5.0 81
Show 08543-4856 CPO 242 141 4.6 81
Show 09006-4859 CPO 246 283 5.4 81
Show 08520-4841 KPP 181 248 5.0 82
Show 08544-4859 TDS6176 43 2.1 84
Show 08547-4903 KPP 710 286 6.3 85
Show 08555-4622 TDS6188 173 2.8 86
Show 08528-4855 CPO 239 271 7.5 87
Show 08562-4909 HU 1450 142 1.9 87

 
 
WDS 08579-4744 : COMPONENTS
 
 
  A Ab
Ab pa=338.2°
sep=0.00"
 
B pa=120.4°
sep=3.78"
pa=120.4°
sep=3.78"
 
 
08579-4744 A
 
 
Coord arcsec 2000 085754.61-474415.7 Mag 6.06 Spectral class O5I (blue) PmRA -4.00
PmDE 4.0
 
 
08579-4744 Ab
 
 
Coord arcsec 2000 085754.61-474415.7 Mag 7.4 Calc delta mag 1.1 Calc coord yes
 
 
08579-4744 B
 
 
Coord arcsec 2000 085754.93-474417.6 Mag 13.01 Calc delta mag 6.71 Calc coord yes