19398-2326 SEE 389 (53 Sgr)

 
 
19h 39m 49.46s -23° 25' 39.4" P.A. 330.00 sep 0.2 mag 6.80,7.51 Sp A0V dist. 98.72 pc (322.02 l.y.)
 
 
Coord 2000 19398-2326 Discov num SEE 389 Comp Coord arcsec 2000 19 39 49.46 -23 25 39.4
Date first 1897 Date last 2021 Obs 38
Pa first 332 Pa last 330 P.A. Now (θ) 327.8°
Sep first 0.2 Sep last 0.179 Sep. Now (ρ) 0.201"
Mag pri 6.80 Mag sec 7.51 delta mag (ΔM) 0.71 Spectral class A0V (white)
Pri motion ra +006 Sec motion ra
Pri motion dec -037 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 53 Sgr Constellation Sagittarius SAO 188407 HIP 96729
Tycho2 6889-02260-1 Gaia DR2 6768670963020310656 HD 185404 HR 7470
GC 27189 ADS 12741 CD CD-2315618 CP CP-23 7543
Flamsteed 53 Sagittarii Flamsteed name 53 Sgr Distance 98.72 Distance ly 322.02
 
 
ORBITAL ELEMENTS
 
 
Period (P)46.2y± 0.1 Periastron (T)1976.63y± 0.6 Semi-major axis (a)0.221a± 0.001
Eccentricity (e)0.088± 0.007 Inclination (i)93.5°± 0.2 Longitude of periastron (ω)0.4°± 4.7
Node (Ω)327.9°± 0.3 Notesn ReferenceTok2015c
Equinox2000 Last observation2014 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 147.8 0.240
2001 147.4 0.237
2002 146.9 0.231
2003 146.5 0.222
2004 146.0 0.209
2005 145.4 0.193
2006 144.7 0.174
2007 143.9 0.153
2008 142.7 0.129
2009 141.0 0.103
2010 138.0 0.076
2011 131.6 0.047
2012 107.4 0.021
2013 10.6 0.020
2014 344.1 0.046
2015 337.4 0.074
2016 334.3 0.101
2017 332.5 0.126
2018 331.3 0.149
2019 330.3 0.168
2020 329.6 0.183
2021 328.9 0.194
2022 328.4 0.200
2023 327.8 0.201
2024 327.2 0.198
2025 326.6 0.190
2026 325.9 0.177
2027 325.1 0.160
2028 324.1 0.139
2029 322.6 0.116
2030 320.4 0.090


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds19398-2326a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 19398-2326 SEE 389 (53 Sgr) : NOTES
 
 
discov_num notes refcode
SEE 389 53 Sgr. Spectrum composite; B9.5V+A3IV.
Baize's (1985) value for omega was corrected from 270.0 to 90.0 Baz1985b
90.0 degrees by Ruymaekers & Nys (1995). Ruy1995
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.88 +/- 1.02, 3.55, and 2.24 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Baz1985b orb - Baize, P. 1985A&AS...60..333B
Baz1985b A&AS 60, 333, 1985
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Ruy1995 orb - Ruymaekers, G. & Nys, O. 1995IAUDS.126....1R
Ruy1995 Inf. Circ. 126, 1, 1995
Tok2015c orb+j Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P. 2015AJ....150...50T
Tok2015c +St AJ 150, 50, 2015 (some measures corrected in Tok2017b) 2017AJ....154..110T
 
 
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
19398-2326 SEE 389 1991 29 333 0.1 6.80 7.51 A0V NO 193949.46-232539.4
19398-2326 SEE 389 2008 33 322 0.1 6.80 7.51 A0V NO 193949.46-232539.4
19398-2326 SEE 389 2014 33 337 0.1 6.80 7.51 A0V NO 193949.46-232539.4
19398-2326 SEE 389 2015 34 336 0.1 6.80 7.51 A0V NO 193949.46-232539.4
19398-2326 SEE 389 2017 36 333 0.1 6.80 7.51 A0V NO 193949.46-232539.4
19398-2326 SEE 389 2018 37 332 0.1 6.80 7.51 A0V NO 193949.46-232539.4
19398-2326 SEE 389 2021 38 330 0.2 6.80 7.51 A0V NO 193949.46-232539.4

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

 
 
WDS 19398-2326 SEE 389 (53 Sgr) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19398-2326 SEE 389 (53 Sgr) : MEASURES
 
 
No records found.

 
 
WDS 19398-2326 (53 Sgr) : VIRTUAL EYEPIECE
 
 

19398-2326 SEE 389A mag 6.8 Sp A0V 19398-2326 SEE 389B sep 0.2 P.A. 332.10 mag 7.51 virtual eyepiece
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Radius:
Components only
 
 
WDS 19398-2326 (53 Sgr) : ALADIN DSS IMAGE @ 19h 39m 49.46s -23° 25' 39.4"
 
 
 
 
WDS 19398-2326 SEE 389 (53 Sgr) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


19398-2326  SEE 389 distance=0' 19404-2320  OCC 802 distance=10' 19391-2304  ARA2265 distance=24' 19417-2338  OCC9189 distance=29' 19422-2339  B  2480 distance=36' 19379-2352  J  1764 distance=38' 19404-2244  UC 4002 distance=43' 19368-2311  ARA2264 distance=45' 19392-2234  UC 3997 distance=52' 19437-2335  UC 4013 distance=54' 19356-2319  SEE 384 distance=58' 19349-2323  B  2878 distance=69' 19420-2223  HDS2793 distance=70' 19449-2338  MTG   4 distance=71' 19345-2303  MRA  24 distance=78' 19455-2319  B   446AB distance=78' 19455-2319  B   446AC distance=78' 19372-2212  HTS  10AB distance=82' 19372-2212  HTS  10AC distance=82' 19372-2212  HTS  10AD distance=82' 19372-2212  HTS  10AE distance=82' 19372-2212  HTS  10AF distance=82' 19372-2212  HTS  10AG distance=82' 19372-2212  HTS  10AH distance=82' 19372-2212  HTS  10AI distance=82' 19372-2212  HTS  10AJ distance=82' 19372-2212  HTS  10AK distance=82' 19372-2212  HTS  10AL distance=82' 19399-2204  I   656 distance=82' 19440-2424  LDS4815 distance=83' 19449-2412  LDS4816 distance=84' 19453-2245  B  2879 distance=86' 19437-2443  KPP3114 distance=95' 19367-2453  BU  654 distance=98' 19350-2439  J  1851 distance=99' 19380-2147  SPM  37 distance=102' 19453-2436  TDS1009 distance=104' 19320-2335  OCC 650Aa,Ab distance=109' 19320-2335  B  2478AB distance=109' 19324-2244  DON 961 distance=111' 19361-2148  ARA1918 distance=111' 19399-2517  TDT1617 distance=112' 19385-2516  TDT1601 distance=112' 19331-2432  UC 3974 distance=114' 19320-2405  OCC9054 distance=115' 19371-2138  SEE 385AB distance=115' 19371-2138  HJ 2883AC distance=115' 19454-2201  DON 966 distance=116' 19434-2510  OCC  68 distance=116' 19311-2332  ARA2261 distance=121' 19352-2508  B   442AB distance=121' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 19398-2326 SEE 389 330 0.2
Show 19404-2320 OCC 802 -1 0.1 10
Show 19391-2304 ARA2265 120 5.7 24
Show 19417-2338 OCC9189 -1 0.2 29
Show 19422-2339 B 2480 45 9.4 36
Show 19379-2352 J 1764 254 10.4 38
Show 19404-2244 UC 4002 282 111.9 43
Show 19368-2311 ARA2264 27 8.3 45
Show 19392-2234 UC 3997 255 78.9 52
Show 19437-2335 UC 4013 80 18.6 54
Show 19356-2319 SEE 384 177 4.6 58
Show 19349-2323 B 2878 123 9.9 69
Show 19420-2223 HDS2793 181 0.1 70
Show 19449-2338 MTG 4 313 0.2 71
Show 19345-2303 MRA 24 148 0.1 78
Show 19455-2319 B 446 AB 251 3.3 78
Show 19455-2319 B 446 AC 162 29.2 78
Show 19372-2212 HTS 10 AB 77 6.6 82
Show 19372-2212 HTS 10 AC 140 11.6 82
Show 19372-2212 HTS 10 AD 95 13.6 82
Show 19372-2212 HTS 10 AE 212 14.7 82
Show 19372-2212 HTS 10 AF 57 17.6 82
Show 19372-2212 HTS 10 AG 238 20.8 82
Show 19372-2212 HTS 10 AH 157 21.3 82
Show 19372-2212 HTS 10 AI 67 22.2 82
Show 19372-2212 HTS 10 AJ 247 22.6 82
Show 19372-2212 HTS 10 AK 148 24.5 82
Show 19372-2212 HTS 10 AL 225 30.9 82
Show 19399-2204 I 656 11 0.1 82
Show 19440-2424 LDS4815 121 10.2 83
Show 19449-2412 LDS4816 151 25.9 84
Show 19453-2245 B 2879 150 13.0 86
Show 19437-2443 KPP3114 247 11.7 95
Show 19367-2453 BU 654 175 2.3 98
Show 19350-2439 J 1851 159 4.2 99
Show 19380-2147 SPM 37 216 51.7 102
Show 19453-2436 TDS1009 248 1.1 104
Show 19320-2335 OCC 650 Aa,Ab -1 0.1 109
Show 19320-2335 B 2478 AB 172 13.3 109
Show 19324-2244 DON 961 27 8.5 111
Show 19361-2148 ARA1918 165 5.2 111
Show 19399-2517 TDT1617 56 0.8 112
Show 19385-2516 TDT1601 93 0.9 112
Show 19331-2432 UC 3974 202 72.2 114
Show 19320-2405 OCC9054 -1 0.0 115
Show 19371-2138 SEE 385 AB 11 5.8 115
Show 19371-2138 HJ 2883 AC 301 27.3 115
Show 19454-2201 DON 966 288 3.2 116
Show 19434-2510 OCC 68 -1 0.1 116
Show 19311-2332 ARA2261 242 15.4 121
Show 19352-2508 B 442 AB 117 1.7 121

 
 
WDS 19398-2326 : COMPONENTS
 
 
  A
B pa=332.1°
sep=0.18"
 
 
19398-2326 A
 
 
Componente originario normalizzato AB Name 53 Sgr Coord arcsec 2000 193949.46-232539.4 Mag 6.8
Spectral class A0V (white) PmRA 6.00 PmDE -37.0 SAO 188407
HIP 96729 Tycho2 6889-02260-1 HD 185404 HR 7470
GC 27189 CD CD-2315618 CP CP-23 7543 Flamsteed 53 Sagittarii
Flamsteed name 53 Sgr
Tycho2
Tycho2 6889-02260-1 Pflag RAmdeg 294.95607311 DEmdeg -23.42769438
PmRA 3.7 PmDE -34.0 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.31 EpDEm 1991.17
Num 18 Q RAmdeg 1.5 Q DEmdeg 1.8 Q pmRA 1.6
Q pmDE 1.8 BTmag 6.365 E BTmag 0.014 VTmag 6.325
E VTmag 0.010 Prox 999 TYC T HIP 96729
CCDM AB RAdeg 294.95606389 DEdeg -23.42761528 EpRA 1990 1.82
EpDE 1990 1.64 E RAdeg 3.5 E DEdeg 4.0 Posflg P
Corr -0.2
SAO
SAO 188407 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 -0.031 Vmag 6.2 SpType A0
Double code Source 70 CatNum 27189 DM CD-2315618
DMcomp BDsup HD 185404 M HD 0
GC 27189 RA1950rad 5.13484889 DE1950rad -0.41090336 PmRA2000 0.0001
PmDE2000 -0.032
Hipparcos
Catalog H HIP 96729 Proxy H RAhms 19 39 49.46
DEdms -23 25 39.4 Vmag 6.33 VarFlag R Vmag G
RAdeg 294.956 DEdeg -23.4276 AstroRef * Plx 8.03
CCDM 19398-2326 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 332 Rho 0.127 HD 185404 BD
CD CD-2315618 CP CP-23 7543 Dm number -2315618 VIred 0.05
SpType A0V R SpType Coord arcsec 2000 193949.46-232539.4
Hipparcos 2
HIP 96729 Sn 55 So 3 Nc 2
RArad 5.1479544694 DErad -0.4088889346 Plx 10.13 PmRA 5.14
PmDE -36.07 E RArad 0.7 E DErad 0.44 E Plx 0.78
E pmRA 0.78 E pmDE 0.63 Hpmag 6.3463 E Hpmag 0.0006
SHp 0.005 VA 0 BV 0.034 E BV 0.006
VI 0.05
CCDM
Ccdm 19398-2326 RComp Comp A Note1
Note2 Discov num DRAs 1.43 DDEs 20.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.9 Sp A0 PmNote *
PmRA 2 PmDE -30 Dm number -2315618 Cat1 CD
Name2 188407 Cat2 SAO HD 185404 M HD
ADS BDS A12741 M ADS BDS N IDS IDS 19338S2339A
HIC 96729
 
 
19398-2326 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 193949.45-232539.2 Mag 7.51 Calc delta mag 0.71
Calc coord yes
CCDM
Ccdm 19398-2326 RComp Comp B Note1 *
Note2 Discov num SEE 389 DRAs DDEs
R dRAs Year 1897 Theta 323 Rho 0.2
Obs 16 Vmag 7.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12741 M ADS BDS N N IDS IDS 19338S2339B
HIC 96729