18186-1348 SNA 88 AE

 
 
18h 18m 36.42s -13° 48' 02.3" P.A. 177.00 sep 3.8 mag 6.57,14.15 Sp O4IV((f))
 
 
Coord 2000 18186-1348 Discov num SNA  88 Comp AE Coord arcsec 2000 18 18 36.42 -13 48 02.3
Date first 2012 Date last 2012 Obs 1
Pa first 177 Pa last 176.7 P.A. Now (θ) 176.7°
Sep first 3.8 Sep last 3.78 Sep. Now (ρ) 3.78"
Mag pri 6.57 Mag sec 14.15 delta mag (ΔM) 7.58 Spectral class O4IV((f)) (blue)
Pri motion ra +004 Sec motion ra
Pri motion dec +008 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.
 
 
18186-1348 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 161303 18 18 36 -13 48 02 DCH 26 AB 2018 7 306 0.2 6.80 8.37 1.57
Show 18 18 36 -13 48 02 SNA 88 AC 2012 1 5 3.7 6.57 13.71 7.14
Show 18 18 36 -13 48 02 SNA 88 AD 2017 2 246 3.5 6.57 12.15 5.58
Show 18 18 36 -13 48 02 SNA 88 AE 2012 1 177 3.8 6.57 14.15 7.58 <===
Show 18 18 36 -13 48 02 SNA 88 AF 2012 1 126 5.9 6.57 12.63 6.06
Show 18 18 36 -13 48 02 SNA 88 AG 2017 3 305 6.4 6.57 12.10 5.53
Show 18 18 36 -13 47 36 SNA 87 Ha,Hb 2012 1 49 0.0 7.30 11.00 3.70
Show 18 18 36 -13 47 36 SNA 87 HI 2012 1 297 2.7 7.28 13.10 5.82
Show 18 18 36 -13 47 36 SNA 87 HJ 2017 3 139 3.4 7.28 11.41 4.13
Show 18 18 36 -13 47 36 SNA 87 HK 2012 1 68 5.8 7.28 13.86 6.58
12-fold system
11 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens Gaia DR2 4146599132529067520
 
 
WDS 18186-1348 SNA 88 AE : NOTES
 
 
discov_num notes refcode
DCH 26 The AB pair is visible as SBA in spectroscopy, although no orbital
motion is detected (Sana et al. 2009), inagreement with the large Sna2009
separation, hence very long period. Five other faint companions are
detected in the NACO FOV. Sna2014
 
 
REFERENCES
 
 
refcode metd author reference
Sna2009 not - Sana, H., Gosset, E., & Evans, C.J. 2009MNRAS.400.1479S
Sna2009 MNRAS 400, 1479, 2009
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)
 
 
DISCOVERER
 
 
idgroup discov author
1 DCH Duchene, G., Bouvier, J. & Simon, T
24 DCH Duchene, G., McCabe, C., Pinte, C., Stapelfeldt, K.R., Menard, F., Duvert, G.,
24 DCH Ghez, A.M., Maness, H.L., Bouy, H., Barrado y Navascues, D., Morales-Calderon, M.,
24 DCH Wolf, S., et al.
27 DCH Duchene, G., Oon, J.T., De Rosa, R.J., Kantorski, P., Coy, B., Wang, J.J., Thomas,
27 DCH S., Patience, J., Pueyo, L., Nielsen, E.L. & Konopacky, Q.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18186-1348 SNA 88 AE 2012 1 177 3.8 6.57 14.15 O4III K 181836.42-134802.3

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WDS 18186-1348 SNA 88 AE : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18186-1348 SNA 88 AE : MEASURES
 
 
No records found.

 
 
WDS 18186-1348 : VIRTUAL EYEPIECE
 
 

18186-1348 DCH  26A mag 6.8 Sp O4IV((f)) 18186-1348 DCH  26B sep 0.2 P.A. 307.10 mag 8.37 18186-1348 SNA  88C sep 3.7 P.A. 4.80 mag 13.71 18186-1348 SNA  88D sep 3.4 P.A. 245.10 mag 12.15 18186-1348 SNA  88E sep 3.8 P.A. 176.80 mag 14.15 18186-1348 SNA  88F sep 5.8 P.A. 127.20 mag 12.63 18186-1348 SNA  88G sep 6.3 P.A. 305.40 mag 12.1 18186-1348 SNA  87H sep 26.5 P.A. 347.60 mag 7.28 Sp O6.5V 18186-1348 SNA  87Hb sep 26.5 P.A. 347.70 mag 11 18186-1348 SNA  87I sep 28.3 P.A. 343.50 mag 13.1 18186-1348 SNA  87J sep 23.6 P.A. 351.40 mag 11.41 18186-1348 SNA  87K sep 28.1 P.A. 359.10 mag 13.86 virtual eyepiece
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Radius:
Components only
 
 
WDS 18186-1348 : ALADIN DSS IMAGE @ 18h 18m 36.42s -13° 48' 02.3"
 
 
 
 
WDS 18186-1348 SNA 88 AE : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18186-1348  SNA  88AE distance=0' 18186-1348  SNA  87Ha,Hb distance=1' 18186-1348  SNA  87HI distance=1' 18186-1348  SNA  87HJ distance=1' 18186-1348  SNA  87HK distance=1' 18186-1347  DBR 291CD distance=1' 18186-1347  DCH  24AB distance=2' 18187-1349  DCH  34CD distance=2' 18187-1347  DCH  28AB distance=2' 18186-1346  DCH  25EF distance=2' 18187-1347  DCH  29CD distance=2' 18186-1346  DCH  23CD distance=2' 18187-1347  DCH  32IJ distance=2' 18187-1349  DCH  35EF distance=2' 18187-1347  DCH  31GH distance=2' 18187-1347  DCH  30EF distance=2' 18188-1348  DCH  39 distance=3' 18187-1349  DCH  33AB distance=3' 18186-1346  DCH  22AB distance=3' 18186-1345  DCH  21 distance=3' 18188-1349  DCH  40 distance=3' 18187-1345  SNA  89AB distance=3' 18187-1345  SNA  89AC distance=3' 18187-1345  SNA  89AD distance=3' 18187-1345  SNA  89AE distance=3' 18185-1345  DCH  19 distance=3' 18187-1346  DCH  27 distance=3' 18188-1347  DCH  38CD distance=4' 18188-1347  DCH  37AB distance=4' 18189-1349  DCH  43 distance=4' 18189-1347  DCH  41AB distance=4' 18184-1344  DBR 290 distance=5' 18189-1348  HDS2590AB distance=5' 18189-1348  SNA  91Aa,Ab distance=5' 18189-1347  DCH  42CD distance=5' 18190-1349  DBR 292 distance=6' 18185-1344  SHN 229 distance=6' 18182-1347  DCH  18 distance=7' 18186-1341  DCH  20 distance=8' 18187-1356  DCH  36 distance=9' 18191-1344  DCH  44 distance=9' 18179-1415  BRT2748 distance=29' 18211-1339  RST9006 distance=34' 18168-1414  J  2204AB distance=37' 18168-1414  J  2204AC distance=37' 18168-1414  J  2204BC distance=37' 18181-1310  HU   59 distance=39' 18173-1425  BRT 588 distance=43' 18210-1321  BWE   2 distance=45' 18221-1414  KPP2327 distance=57' 18196-1447  HU   61 distance=61' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 18186-1348 DCH 26 AB 306 0.2
Show 18186-1348 SNA 88 AC 5 3.7
Show 18186-1348 SNA 88 AD 246 3.5
Show 18186-1348 SNA 88 AE 177 3.8
Show 18186-1348 SNA 88 AF 126 5.9
Show 18186-1348 SNA 88 AG 305 6.4
Show 18186-1348 SNA 87 Ha,Hb 49 0.0 1
Show 18186-1348 SNA 87 HI 297 2.7 1
Show 18186-1348 SNA 87 HJ 139 3.4 1
Show 18186-1348 SNA 87 HK 68 5.8 1
Show 18186-1347 DBR 291 CD 99 3.1 1
Show 18186-1347 DCH 24 AB 30 0.5 2
Show 18187-1349 DCH 34 CD 273 1.2 2
Show 18187-1347 DCH 28 AB 225 0.8 2
Show 18186-1346 DCH 25 EF 295 1.1 2
Show 18187-1347 DCH 29 CD 185 1.1 2
Show 18186-1346 DCH 23 CD 322 0.8 2
Show 18187-1347 DCH 32 IJ 7 0.9 2
Show 18187-1349 DCH 35 EF 153 0.7 2
Show 18187-1347 DCH 31 GH 253 1.2 2
Show 18187-1347 DCH 30 EF 136 0.7 2
Show 18188-1348 DCH 39 254 0.5 3
Show 18187-1349 DCH 33 AB 95 0.4 3
Show 18186-1346 DCH 22 AB 346 0.6 3
Show 18186-1345 DCH 21 299 0.1 3
Show 18188-1349 DCH 40 297 1.4 3
Show 18187-1345 SNA 89 AB 344 5.1 3
Show 18187-1345 SNA 89 AC 249 5.1 3
Show 18187-1345 SNA 89 AD 206 5.5 3
Show 18187-1345 SNA 89 AE 241 6.2 3
Show 18185-1345 DCH 19 231 0.7 3
Show 18187-1346 DCH 27 120 0.8 3
Show 18188-1347 DCH 38 CD 90 1.4 4
Show 18188-1347 DCH 37 AB 307 0.7 4
Show 18189-1349 DCH 43 268 1.5 4
Show 18189-1347 DCH 41 AB 261 1.0 4
Show 18184-1344 DBR 290 84 2.6 5
Show 18189-1348 HDS2590 AB 353 2.1 5
Show 18189-1348 SNA 91 Aa,Ab 212 0.0 5
Show 18189-1347 DCH 42 CD 320 1.3 5
Show 18190-1349 DBR 292 61 2.0 6
Show 18185-1344 SHN 229 -1 0.1 6
Show 18182-1347 DCH 18 288 1.4 7
Show 18186-1341 DCH 20 228 0.5 8
Show 18187-1356 DCH 36 235 1.4 9
Show 18191-1344 DCH 44 324 0.6 9
Show 18179-1415 BRT2748 82 2.8 29
Show 18211-1339 RST9006 246 1.4 34
Show 18168-1414 J 2204 AB 190 5.9 37
Show 18168-1414 J 2204 AC 351 14.8 37
Show 18168-1414 J 2204 BC 356 20.4 37

 
 
WDS 18186-1348 : COMPONENTS
 
 
  A B C D E F G H Hb I J
B pa=307.1°
sep=0.16"
 
C pa=4.8°
sep=3.69"
pa=6.9°
sep=3.61"
 
D pa=245.1°
sep=3.41"
pa=242.6°
sep=3.33"
pa=213.6°
sep=6.14"
 
E pa=176.8°
sep=3.78"
pa=175.0°
sep=3.89"
pa=180.7°
sep=7.45"
pa=125.3°
sep=4.04"
 
F pa=127.2°
sep=5.81"
pa=127.2°
sep=5.97"
pa=149.0°
sep=8.39"
pa=105.1°
sep=7.99"
pa=86.6°
sep=4.42"
 
G pa=305.4°
sep=6.28"
pa=305.3°
sep=6.11"
pa=269.6°
sep=5.42"
pa=338.2°
sep=5.46"
pa=324.3°
sep=9.12"
pa=306.3°
sep=12.08"
 
H pa=347.6°
sep=26.52"
pa=347.9°
sep=26.39"
pa=344.9°
sep=23.02"
pa=354.6°
sep=27.46"
pa=348.8°
sep=30.25"
pa=340.7°
sep=31.17"
pa=358.5°
sep=22.27"
 
Hb pa=347.7°
sep=26.54"
pa=347.9°
sep=26.41"
pa=345.0°
sep=23.04"
pa=354.7°
sep=27.48"
pa=348.8°
sep=30.27"
pa=340.8°
sep=31.18"
pa=358.6°
sep=22.30"
pa=48.5°
sep=0.04"
 
I pa=343.5°
sep=28.32"
pa=343.7°
sep=28.19"
pa=340.4°
sep=24.92"
pa=350.2°
sep=29.02"
pa=345.0°
sep=32.01"
pa=337.5°
sep=33.18"
pa=352.9°
sep=23.70"
pa=297.9°
sep=2.68"
pa=297.0°
sep=2.69"
 
J pa=351.4°
sep=23.58"
pa=351.7°
sep=23.46"
pa=349.0°
sep=20.01"
pa=359.0°
sep=24.75"
pa=352.2°
sep=27.34"
pa=343.1°
sep=28.03"
pa=4.7°
sep=19.75"
pa=139.9°
sep=3.38"
pa=140.7°
sep=3.38"
pa=130.2°
sep=5.95"
 
K pa=359.1°
sep=28.11"
pa=359.3°
sep=28.01"
pa=358.2°
sep=24.44"
pa=5.1°
sep=29.66"
pa=358.8°
sep=31.89"
pa=350.9°
sep=32.02"
pa=10.8°
sep=24.91"
pa=67.1°
sep=5.67"
pa=67.2°
sep=5.63"
pa=82.8°
sep=7.65"
pa=32.5°
sep=5.68"
 
 
18186-1348 A
 
 
Coord arcsec 2000 181836.42-134802.3 Mag 6.8 Spectral class O4IV((f)) (blue) PmRA 4.00
PmDE 8.0
 
 
18186-1348 B
 
 
Coord arcsec 2000 181836.41-134802.2 Mag 8.37 SAO 161303 Tycho2 5689-00607-1
HD 168076 DM BD-13 4926 Calc delta mag 1.57 Calc coord yes
Tycho2
Tycho2 5689-00607-1 Pflag RAmdeg 274.65175348 DEmdeg -13.80066069
PmRA 0.9 PmDE 0.0 E RAmdeg 7 E DEmdeg 9
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.07 EpDEm 1990.46
Num 12 Q RAmdeg 1.0 Q DEmdeg 1.1 Q pmRA 0.9
Q pmDE 1.1 BTmag 8.716 E BTmag 0.018 VTmag 8.281
E VTmag 0.014 Prox 265 TYC T HIP
CCDM RAdeg 274.65175167 DEdeg -13.80066083 EpRA 1990 1.83
EpDE 1990 1.70 E RAdeg 6.5 E DEdeg 8.5 Posflg
Corr -0.1
SAO
SAO 161303 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 0.007 Vmag 8.9 SpType B
Double code Source 21 CatNum 6661 DM BD-13 4926
DMcomp BDsup HD 168076 M HD 0
GC RA1950rad 4.78120374 DE1950rad -0.24123117 PmRA2000 0.0017
PmDE2000 0.009
 
 
18186-1348 C
 
 
Coord arcsec 2000 181836.44-134758.6 Mag 13.71 Calc delta mag 6.91 Calc coord yes
 
 
18186-1348 D
 
 
Coord arcsec 2000 181836.21-134803.7 Mag 12.15 Calc delta mag 5.35 Calc coord yes
 
 
18186-1348 E
 
 
Coord arcsec 2000 181836.43-134806.1 Mag 14.15 Calc delta mag 7.35 Calc coord yes
 
 
18186-1348 F
 
 
Coord arcsec 2000 181836.74-134805.8 Mag 12.63 Calc delta mag 5.83 Calc coord yes
 
 
18186-1348 G
 
 
Coord arcsec 2000 181836.07-134758.7 Mag 12.1 Calc delta mag 5.3 Calc coord yes
 
 
18186-1348 H
 
 
Coord arcsec 2000 181836.03-134736.4 Mag 7.28 Spectral class O6.5V (blue) PmRA 1.00
PmDE -1.0 Calc delta mag 0.48
 
 
18186-1348 Hb
 
 
Coord arcsec 2000 181836.03-134736.4 Mag 11 Calc delta mag 4.2 Calc coord yes
 
 
18186-1348 I
 
 
Coord arcsec 2000 181835.87-134735.1 Mag 13.1 Calc delta mag 6.3 Calc coord yes
 
 
18186-1348 J
 
 
Coord arcsec 2000 181836.18-134739.0 Mag 11.41 Calc delta mag 4.61 Calc coord yes
 
 
18186-1348 K
 
 
Coord arcsec 2000 181836.39-134734.2 Mag 13.86 Calc delta mag 7.06 Calc coord yes