18050-2935 SEE 346 AB

 
 
18h 05m 01.22s -29° 34' 48.3" P.A. 232.00 sep 34.0 mag 4.78,13.50 Sp F7.2Ib dist. 266.67 pc (869.88 l.y.)
 
 
Coord 2000 18050-2935 Discov num SEE 346 Comp AB Coord arcsec 2000 18 05 01.22 -29 34 48.3
Date first 1897 Date last 1999 Obs 4
Pa first 233 Pa last 231.8 P.A. Now (θ) 231.8°
Sep first 33.4 Sep last 33.952 Sep. Now (ρ) 33.952"
Mag pri 4.78 Mag sec 13.50 delta mag (ΔM) 8.72 Spectral class F7.2Ib (yellow-white)
Pri motion ra +003 Sec motion ra -019
Pri motion dec -005 Sec motion dec -015
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.998
This double is not physical.
 
 
18050-2935 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Gam1 Sgr 186237 18 05 01 -29 34 48 BLM 5 Aa,Ab 2002 2 210 0.2 4.66 Y
Show 186237 18 05 01 -29 34 48 SEE 346 AB 1999 4 232 34.0 4.78 13.50 8.72 <===
Show 186237 18 05 01 -29 34 48 SEE 346 AC 1999 4 106 41.4 4.78 13.50 8.72
Show 186237 18 05 01 -29 34 48 EVS 33 AD 2011 1 341 6.3 4.68 16.10 11.42
Show 186237 18 05 01 -29 34 48 EVS 33 AE 2011 1 46 19.0 4.68 16.44 11.76
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name W Sgr Constellation Sagittarius SAO 186237 HIP 88567
Tycho2 6854-04373-1 Gaia DR2 4050309195613114624 HD 164975 HR 6742
GC 24605 ADS 11029 CD CD-2914447 CP CP-29 5230
Distance 266.67 Distance ly 869.88
 
 
WDS 18050-2935 SEE 346 AB : NOTES
 
 
discov_num notes refcode
BLM 5 Aa,Ab: gam 1 Sgr. A is the Cepheid W Sgr, spectrum also variable.
It is a long-period spectroscopic binary and speckle/occultation pair
1976.477: This measurement resolves the variable star. BLM1978
Masses are 5.8 and 2.2 Msun. Estimated period = 173y, a = 63au = 0.15". Evs2013
 
 
REFERENCES
 
 
refcode metd author reference
BLM1978 S j Morgan, B.L., Beddoes, D.R., Scaddan, R.J. & Dainty, J.C. 1978MNRAS.183..701M
BLM1978 MNRAS 183, 701, 1978
Evs2013 Hp j Evans, N.R., Bond, H.E., Schaefer, G.H., Mason, B.D., Karovska, M., & Tingle, E. 2013AJ....146...93E
Evs2013 +X AJ 146, 93, 2013
 
 
DISCOVERER
 
 
idgroup discov author
1 SEE See, T.J.J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18050-2935 SEE 346 AB 1998 3 233 33.7 4.78 13.50 D 180501.22-293448.3
18050-2935 SEE 346 AB 1999 4 232 33.9 4.78 13.50 N D 180501.22-293448.3

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

 
 
WDS 18050-2935 SEE 346 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18050-2935 SEE 346 AB : MEASURES
 
 
No records found.

 
 
WDS 18050-2935 : VIRTUAL EYEPIECE
 
 

18050-2935 SEE 346A mag 4.78 Sp F7.2Ib 18050-2935 BLM   5Ab sep 0.2 P.A. 206.70 Sp A0V 18050-2935 SEE 346B sep 31.3 P.A. 227.90 mag 13.5 18050-2935 SEE 346C sep 36.4 P.A. 108.60 mag 13.5 18050-2935 EVS  33D sep 6.2 P.A. 343.30 mag 16.1 18050-2935 EVS  33E sep 17.8 P.A. 42.00 mag 16.44 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 18050-2935 : ALADIN DSS IMAGE @ 18h 05m 01.22s -29° 34' 48.3"
 
 
 
 
WDS 18050-2935 SEE 346 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18050-2935  SEE 346AB distance=0' 18054-2930  RST2026 distance=8' 18044-2946  SHN 226 distance=14' 18051-2955  RST2025 distance=20' 18069-2905  RSS 472 distance=40' 18068-2902  RST2031 distance=41' 18060-3018  BRT3059 distance=45' 18074-3011  B  1350 distance=48' 18042-2846  BRT3058AB distance=50' 18042-2846  AAQ   4AC distance=50' 18014-2911  RST2019 distance=53' 18053-2841  B   374 distance=54' 18091-2915  BRT3061 distance=57' 18021-3020  KPP2760 distance=60' 18013-3010  JSP 764 distance=60' 18048-3039  KPP2157 distance=65' 18059-3040  RSS 471 distance=66' 18101-2928  OL   48 distance=67' 18095-2859  RST2032BC distance=68' 18095-2859  SKF2064A,BC distance=68' 18093-2856  SKF2550 distance=68' 18007-3013  RST2017 distance=69' 18094-2855  DAM1037 distance=70' 18082-3032  SKF2063 distance=71' 18105-2934  BRT3328 distance=72' 18002-3011  TDT 625 distance=73' 18103-2913  HO  428 distance=73' 18006-3018  NSN 134 distance=73' 18086-3032  DAM1036 distance=74' 17594-2929  RST2014 distance=74' 18005-2844  BRT3054 distance=78' 17596-2903  SKF2548 distance=79' 18100-2851  RST2033 distance=80' 18113-2938  B   927 distance=82' 18021-2820  BRT3055 distance=85' 17591-3015  PZ    6AB distance=88' 17591-3015  PZ    6AC distance=88' 17597-2839  B   370 distance=89' 18080-3055  SKF1058 distance=89' 17586-2909  RST2011 distance=89' 18050-2806  J  1593 distance=90' 18118-2956  HDS2567 distance=91' 18119-2950  RST2037 distance=91' 18007-2823  OCC9173 distance=91' 17589-2850  B  2848 distance=92' 18025-3101  TDT 648 distance=92' 17587-3018  DAW  74 distance=93' 17592-2842  SKF2547 distance=93' 18101-3044  BU  245 distance=96' 18124-2929  B   929 distance=97' 18018-2805  RST2020 distance=100' 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 18050-2935 BLM 5 Aa,Ab 210 0.2
Show 18050-2935 SEE 346 AB 232 34.0
Show 18050-2935 SEE 346 AC 106 41.4
Show 18050-2935 EVS 33 AD 341 6.3
Show 18050-2935 EVS 33 AE 46 19.0
Show 18054-2930 RST2026 315 4.8 8
Show 18044-2946 SHN 226 -1 0.5 14
Show 18051-2955 RST2025 194 0.3 20
Show 18069-2905 RSS 472 147 11.3 40
Show 18068-2902 RST2031 130 6.8 41
Show 18060-3018 BRT3059 65 4.2 45
Show 18074-3011 B 1350 216 0.1 48
Show 18042-2846 BRT3058 AB 63 4.8 50
Show 18042-2846 AAQ 4 AC 37 5.8 50
Show 18014-2911 RST2019 165 0.5 53
Show 18053-2841 B 374 159 3.7 54
Show 18091-2915 BRT3061 236 3.9 57
Show 18021-3020 KPP2760 238 22.9 60
Show 18013-3010 JSP 764 327 4.6 60
Show 18048-3039 KPP2157 168 17.6 65
Show 18059-3040 RSS 471 138 8.1 66
Show 18101-2928 OL 48 7 2.9 67
Show 18095-2859 RST2032 BC 203 0.9 68
Show 18095-2859 SKF2064 A,BC 309 43.4 68
Show 18093-2856 SKF2550 201 55.8 68
Show 18007-3013 RST2017 133 0.3 69
Show 18094-2855 DAM1037 69 6.6 70
Show 18082-3032 SKF2063 53 7.6 71
Show 18105-2934 BRT3328 347 1.5 72
Show 18002-3011 TDT 625 81 0.5 73
Show 18103-2913 HO 428 92 0.4 73
Show 18006-3018 NSN 134 335 47.3 73
Show 18086-3032 DAM1036 249 7.1 74
Show 17594-2929 RST2014 271 6.4 74
Show 18005-2844 BRT3054 184 3.0 78
Show 17596-2903 SKF2548 74 7.7 79
Show 18100-2851 RST2033 188 0.8 80
Show 18113-2938 B 927 212 4.7 82
Show 18021-2820 BRT3055 48 4.9 85
Show 17591-3015 PZ 6 AB 104 5.9 88
Show 17591-3015 PZ 6 AC 240 26.1 88
Show 17597-2839 B 370 70 2.2 89
Show 18080-3055 SKF1058 216 3.3 89
Show 17586-2909 RST2011 189 4.1 89
Show 18050-2806 J 1593 149 9.1 90
Show 18118-2956 HDS2567 333 9.2 91
Show 18119-2950 RST2037 2 0.4 91
Show 18007-2823 OCC9173 -1 0.0 91
Show 17589-2850 B 2848 227 4.9 92
Show 18025-3101 TDT 648 258 0.5 92
Show 17587-3018 DAW 74 104 1.3 93

 
 
WDS 18050-2935 : COMPONENTS
 
 
  A Ab B C D
Ab pa=206.7°
sep=0.16"
 
B pa=227.9°
sep=31.29"
pa=228.0°
sep=31.14"
 
C pa=108.6°
sep=36.44"
pa=108.3°
sep=36.46"
pa=80.8°
sep=58.50"
 
D pa=343.3°
sep=6.22"
pa=344.3°
sep=6.34"
pa=38.5°
sep=34.43"
pa=295.8°
sep=40.35"
 
E pa=42.0°
sep=17.76"
pa=41.9°
sep=17.92"
pa=45.7°
sep=49.00"
pa=317.6°
sep=33.60"
pa=62.1°
sep=15.47"
 
 
18050-2935 A
 
 
Var name W Sgr Coord arcsec 2000 180501.22-293448.3 Mag 4.78 Spectral class F7.2Ib (yellow-white)
PmRA 3.00 PmDE -5.0 SAO 186237 HIP 88567
Tycho2 6854-04373-1 HD 164975 HR 6742 GC 24605
CD CD-2914447 CP CP-29 5230 Bayer Gamma 1 Sagittarii Bayer name Gam1 Sgr
Tycho2
Tycho2 6854-04373-1 Pflag RAmdeg 271.25510345 DEmdeg -29.58008828
PmRA 3.4 PmDE -4.8 E RAmdeg 3 E DEmdeg 4
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.43 EpDEm 1991.27
Num 19 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.7 BTmag 5.718 E BTmag 0.014 VTmag 4.781
E VTmag 0.009 Prox 999 TYC T HIP 88567
CCDM RAdeg 271.25509472 DEdeg -29.58007722 EpRA 1990 1.79
EpDE 1990 1.79 E RAdeg 3.3 E DEdeg 3.7 Posflg
Corr -0.1
SAO
SAO 186237 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 -0.001 Vmag 4.3 SpType F8p
Double code Source 70 CatNum 24605 DM CD-2914447
DMcomp BDsup HD 164975 M HD 0
GC 24605 RA1950rad 4.72035341 DE1950rad -0.51634131 PmRA2000 0.001
PmDE2000 0
Hipparcos
Catalog H HIP 88567 Proxy RAhms 18 05 01.22
DEdms -29 34 48.3 Vmag 4.66 VarFlag 3 R Vmag H
RAdeg 271.255 DEdeg -29.5801 AstroRef Plx 1.57
CCDM 18050-2935 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 164975 BD
CD CD-2914447 CP CP-29 5230 Dm number -2914447 VIred 0.86
SpType G0Ib/II R SpType Coord arcsec 2000 180501.22-293448.3
Hipparcos 2
HIP 88567 Sn 5 So 0 Nc 1
RArad 4.7342944866 DErad -0.5162697199 Plx 3.75 PmRA 2.62
PmDE -5.28 E RArad 1 E DErad 0.62 E Plx 1.12
E pmRA 1.3 E pmDE 0.66 Hpmag 4.8104 E Hpmag 0.0383
SHp 0.294 VA 1 BV 0.774 E BV 0.082
VI 0.81
CCDM
Ccdm 18050-2935 RComp Comp A Note1
Note2 Discov num DRAs 1.32 DDEs 12.7
R dRAs 41 Year Theta Rho
Obs 3 Vmag Sp F8 PmNote *
PmRA 13 PmDE -2 Dm number -2914447 Cat1 CD
Name2 186237 Cat2 SAO HD 164975 M HD
ADS BDS A11029 M ADS BDS N IDS IDS 17586S2935A
HIC 88567
 
 
18050-2935 Ab
 
 
Coord arcsec 2000 180501.21-293448.4 Spectral class A0V (white) Calc delta mag 4.66 Calc coord yes
 
 
18050-2935 B
 
 
Coord arcsec 2000 180459.44-293509.3 Mag 13.5 PmRA -19.00 PmDE -15.0
Calc delta mag 8.84 Calc coord yes
CCDM
Ccdm 18050-2935 RComp Comp B Note1
Note2 Discov num SEE 346 DRAs -0.78 DDEs -8.4
R dRAs 41 Year 1897 Theta 234 Rho 32.9
Obs 2 Vmag 13.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11029 M ADS BDS N N IDS IDS 17586S2935B
HIC
 
 
18050-2935 C
 
 
Coord arcsec 2000 180503.87-293459.9 Mag 13.5 Calc delta mag 8.84 Calc coord yes
CCDM
Ccdm 18050-2935 RComp Comp C Note1
Note2 Discov num SEE 346 DRAs 4.85 DDEs 3.8
R dRAs 41 Year 1897 Theta 100 Rho 47.8
Obs 2 Vmag 13.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11029 M ADS BDS N IDS IDS 17586S2935C
HIC
 
 
18050-2935 D
 
 
Coord arcsec 2000 180501.08-293442.3 Mag 16.1 Calc delta mag 11.44 Calc coord yes
 
 
18050-2935 E
 
 
Coord arcsec 2000 180502.13-293435.1 Mag 16.44 Calc delta mag 11.78 Calc coord yes