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Doubles in session


Current system
18187-1345
SNA 89 AB


Nearby doubles
1' : 18186-1346
DCH 22AB

1' : 18186-1345
DCH 21

2' : 18187-1346
DCH 27

2' : 18187-1347
DCH 28AB

2' : 18185-1345
DCH 19

2' : 18186-1347
DCH 24AB

3' : 18188-1347
DCH 37AB

3' : 18188-1348
DCH 39

3' : 18186-1348
DCH 26AB

3' : 18184-1344
DBR 290

4' : 18185-1344
SHN 229

4' : 18189-1347
DCH 41AB

5' : 18187-1349
DCH 33AB

5' : 18188-1349
DCH 40

5' : 18186-1341
DCH 20

5' : 18189-1349
DCH 43

6' : 18189-1348
HDS2590AB

6' : 18190-1349
DBR 292

7' : 18191-1344
DCH 44

8' : 18182-1347
DCH 18

12' : 18187-1356
DCH 36

32' : 18179-1415
BRT2748

33' : 18211-1339
RST9006

37' : 18181-1310
HU 59

40' : 18168-1414
J 2204AB

43' : 18210-1321
BWE 2



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.

18187-1345 SNA 89 AB

 
 
18h 18m 40.09s -13° 45' 18.5" P.A. 344.00 sep 5.1 mag 6.71,14.57 Sp O7II
 
 
Coord 2000 18187-1345 Discov num SNA  89 Comp AB Coord arcsec 2000 18 18 40.09 -13 45 18.5
Date first 2012 Date last 2012 Obs 1
Pa first 344 Pa last 343.6 P.A. Now (θ) 343.6°
Sep first 5.1 Sep last 5.11 Sep. Now (ρ) 5.11"
Mag pri 6.71 Mag sec 14.57 delta mag (ΔM) 7.86 Spectral class O7II (blue)
Pri motion ra -000 Sec motion ra
Pri motion dec +001 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.
 
 
18187-1345 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 18 40 -13 45 18 SNA 89 AB 2012 1 344 5.1 6.71 14.57 7.86 <===
Show 18 18 40 -13 45 18 SNA 89 AC 2012 1 249 5.1 6.71 14.14 7.43
Show 18 18 40 -13 45 18 SNA 89 AD 2012 1 206 5.5 6.71 11.34 4.63
Show 18 18 40 -13 45 18 SNA 89 AE 2012 1 241 6.2 6.71 13.43 6.72
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens Gaia DR2 4146612494169472256
 
 
WDS 18187-1345 SNA 89 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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
18187-1345 SNA 89 AB 2012 1 344 5.1 6.71 14.57 O7II K 181840.09-134518.5

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

 
 
WDS 18187-1345 SNA 89 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18187-1345 SNA 89 AB : MEASURES
 
 
No records found.

 
 
WDS 18187-1345 : VIRTUAL EYEPIECE
 
 

18187-1345 SNA 89A mag 6.71 Sp O7II 18187-1345 SNA 89B sep 5.1 P.A. 344.00 mag 14.57 18187-1345 SNA 89C sep 5.0 P.A. 248.50 mag 14.14 18187-1345 SNA 89D sep 5.5 P.A. 205.30 mag 11.34 18187-1345 SNA 89E sep 6.0 P.A. 240.70 mag 13.43 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 18187-1345 : ALADIN DSS IMAGE @ 18h 18m 40.09s -13° 45' 18.5"
 
 
 
 
WDS 18187-1345 SNA 89 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18187-1345 SNA 89AB distance=0' 18186-1346 DCH 22AB distance=1' 18186-1345 DCH 21 distance=1' 18187-1346 DCH 27 distance=2' 18186-1346 DCH 23CD distance=2' 18186-1346 DCH 25EF distance=2' 18187-1347 DCH 30EF distance=2' 18187-1347 DCH 29CD distance=2' 18187-1347 DCH 28AB distance=2' 18187-1347 DCH 31GH distance=2' 18185-1345 DCH 19 distance=2' 18186-1347 DCH 24AB distance=2' 18187-1347 DCH 32IJ distance=2' 18186-1347 DBR 291CD distance=3' 18186-1348 SNA 87Ha,Hb distance=3' 18186-1348 SNA 87HI distance=3' 18186-1348 SNA 87HJ distance=3' 18186-1348 SNA 87HK distance=3' 18188-1347 DCH 38CD distance=3' 18188-1347 DCH 37AB distance=3' 18188-1348 DCH 39 distance=3' 18186-1348 DCH 26AB distance=3' 18186-1348 SNA 88AC distance=3' 18186-1348 SNA 88AD distance=3' 18186-1348 SNA 88AE distance=3' 18186-1348 SNA 88AF distance=3' 18186-1348 SNA 88AG distance=3' 18184-1344 DBR 290 distance=3' 18185-1344 SHN 229 distance=4' 18189-1347 DCH 41AB distance=4' 18187-1349 DCH 34CD distance=4' 18187-1349 DCH 35EF distance=4' 18189-1347 DCH 42CD distance=5' 18187-1349 DCH 33AB distance=5' 18188-1349 DCH 40 distance=5' 18186-1341 DCH 20 distance=5' 18189-1349 DCH 43 distance=5' 18189-1348 HDS2590AB distance=6' 18189-1348 SNA 91Aa,Ab distance=6' 18190-1349 DBR 292 distance=6' 18191-1344 DCH 44 distance=7' 18182-1347 DCH 18 distance=8' 18187-1356 DCH 36 distance=12' 18179-1415 BRT2748 distance=32' 18211-1339 RST9006 distance=33' 18181-1310 HU 59 distance=37' 18168-1414 J 2204AB distance=40' 18168-1414 J 2204AC distance=40' 18168-1414 J 2204BC distance=40' 18210-1321 BWE 2 distance=43' 18173-1425 BRT 588 distance=46' 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 18187-1345 SNA 89 AB 344 5.1
Show 18187-1345 SNA 89 AC 249 5.1
Show 18187-1345 SNA 89 AD 206 5.5
Show 18187-1345 SNA 89 AE 241 6.2
Show 18186-1346 DCH 22 AB 346 0.6 1
Show 18186-1345 DCH 21 299 0.1 1
Show 18187-1346 DCH 27 120 0.8 2
Show 18186-1346 DCH 23 CD 322 0.8 2
Show 18186-1346 DCH 25 EF 295 1.1 2
Show 18187-1347 DCH 30 EF 136 0.7 2
Show 18187-1347 DCH 29 CD 185 1.1 2
Show 18187-1347 DCH 28 AB 225 0.8 2
Show 18187-1347 DCH 31 GH 253 1.2 2
Show 18185-1345 DCH 19 231 0.7 2
Show 18186-1347 DCH 24 AB 30 0.5 2
Show 18187-1347 DCH 32 IJ 7 0.9 2
Show 18186-1347 DBR 291 CD 99 3.1 3
Show 18186-1348 SNA 87 Ha,Hb 49 0.0 3
Show 18186-1348 SNA 87 HI 297 2.7 3
Show 18186-1348 SNA 87 HJ 139 3.4 3
Show 18186-1348 SNA 87 HK 68 5.8 3
Show 18188-1347 DCH 38 CD 90 1.4 3
Show 18188-1347 DCH 37 AB 307 0.7 3
Show 18188-1348 DCH 39 254 0.5 3
Show 18186-1348 DCH 26 AB 306 0.2 3
Show 18186-1348 SNA 88 AC 5 3.7 3
Show 18186-1348 SNA 88 AD 246 3.5 3
Show 18186-1348 SNA 88 AE 177 3.8 3
Show 18186-1348 SNA 88 AF 126 5.9 3
Show 18186-1348 SNA 88 AG 305 6.4 3
Show 18184-1344 DBR 290 84 2.6 3
Show 18185-1344 SHN 229 -1 0.1 4
Show 18189-1347 DCH 41 AB 261 1.0 4
Show 18187-1349 DCH 34 CD 273 1.2 4
Show 18187-1349 DCH 35 EF 153 0.7 4
Show 18189-1347 DCH 42 CD 320 1.3 5
Show 18187-1349 DCH 33 AB 95 0.4 5
Show 18188-1349 DCH 40 297 1.4 5
Show 18186-1341 DCH 20 228 0.5 5
Show 18189-1349 DCH 43 268 1.5 5
Show 18189-1348 HDS2590 AB 353 2.1 6
Show 18189-1348 SNA 91 Aa,Ab 212 0.0 6
Show 18190-1349 DBR 292 61 2.0 6
Show 18191-1344 DCH 44 324 0.6 7
Show 18182-1347 DCH 18 288 1.4 8
Show 18187-1356 DCH 36 235 1.4 12
Show 18179-1415 BRT2748 82 2.8 32
Show 18211-1339 RST9006 246 1.4 33
Show 18181-1310 HU 59 346 1.0 37
Show 18168-1414 J 2204 AB 190 5.9 40
Show 18168-1414 J 2204 AC 351 14.8 40

 
 
WDS 18187-1345 : COMPONENTS
 
 
  A B C D
B pa=344.0°
sep=5.10"
 
C pa=248.5°
sep=4.99"
pa=205.7°
sep=7.47"
 
D pa=205.3°
sep=5.46"
pa=185.4°
sep=9.88"
pa=143.3°
sep=3.88"
 
E pa=240.7°
sep=6.02"
pa=206.1°
sep=8.74"
pa=208.4°
sep=1.28"
pa=304.2°
sep=3.54"
 
 
18187-1345 A
 
 
Coord arcsec 2000 181840.09-134518.5 Mag 6.71 Spectral class O7II (blue) PmRA 0.00
PmDE 1.0
 
 
18187-1345 B
 
 
Coord arcsec 2000 181839.99-134513.6 Mag 14.57 Calc delta mag 7.86 Calc coord yes
 
 
18187-1345 C
 
 
Coord arcsec 2000 181839.77-134520.3 Mag 14.14 Calc delta mag 7.43 Calc coord yes
 
 
18187-1345 D
 
 
Coord arcsec 2000 181839.93-134523.4 Mag 11.34 Tycho2 5689-01658-1 Calc delta mag 4.63
Calc coord yes
Tycho2
Tycho2 5689-01658-1 Pflag RAmdeg 274.67074394 DEmdeg -13.75824144
PmRA 4.1 PmDE -1.3 E RAmdeg 65 E DEmdeg 83
E pmRA 2.2 E pmDE 2.3 EpRAm 1979.48 EpDEm 1970.49
Num 3 Q RAmdeg 0.7 Q DEmdeg 0.6 Q pmRA 0.7
Q pmDE 0.6 BTmag 12.045 E BTmag 0.162 VTmag 11.138
E VTmag 0.112 Prox 170 TYC HIP
CCDM RAdeg 274.67073472 DEdeg -13.75823861 EpRA 1990 1.81
EpDE 1990 1.68 E RAdeg 69.5 E DEdeg 96.4 Posflg
Corr -0.2
 
 
18187-1345 E
 
 
Coord arcsec 2000 181839.73-134521.4 Mag 13.43 Calc delta mag 6.72 Calc coord yes