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Current system
18214-1852
EVS 35 AB
Y Sgr


Nearby doubles
14' : 18223-1856
J 1740AB

19' : 18217-1909
BRT1531

22' : 18228-1843
CHR 235

28' : 18228-1910
OCC 474

29' : 18232-1903
I 1365

32' : 18236-1849
ARA 477

39' : 18232-1823
TOB 288

40' : 18241-1905
ARA 747

41' : 18191-1828
ARA 474

41' : 18187-1837
BU 639AB

42' : 18186-1906
OCC9181

42' : 18229-1818
J 1629

42' : 18206-1811
SKF 100

44' : 18184-1859
OCC9180

47' : 18193-1817
BRT1527

47' : 18210-1805
DON 893

48' : 18244-1917
J 1630

48' : 18180-1842
HWE 42

49' : 18198-1809
RST3175

49' : 18210-1939
BU 48AB

51' : 18179-1848
SHJ 263AB

52' : 18212-1800
DON 894

52' : 18180-1834
ARA 473

53' : 18238-1930
LEO 16

54' : 18188-1804
OL 104

56' : 18237-1936
ARA 746



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18214-1852 EVS 35 AB (Y Sgr)

 
 
18h 21m 22.99s -18° 51' 35.9" P.A. 204.00 sep 10.6 mag 5.74,17.06 Sp F8II dist. 378.79 pc (1235.61 l.y.)
 
 
Coord 2000 18214-1852 Discov num EVS  35 Comp AB Coord arcsec 2000 18 21 22.99 -18 51 35.9
Date first 2011 Date last 2011 Obs 1
Pa first 204 Pa last 204.2 P.A. Now (θ) 204.2°
Sep first 10.6 Sep last 10.6 Sep. Now (ρ) 10.6"
Mag pri 5.74 Mag sec 17.06 delta mag (ΔM) 11.32 Spectral class F8II (yellow-white)
Pri motion ra -003 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
18214-1852 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Y Sgr 161376 18 21 23 -18 51 36 EVS 35 AB 2011 1 204 10.6 5.74 17.06 11.32 <===
Show 161376 18 21 23 -18 51 36 KRV 48 AC 2015 1 157 71.4 8.20 19.60 11.40
Show 161376 18 21 23 -18 51 36 KRV 48 AD 2015 1 98 95.0 8.20 19.60 11.40
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name Y Sgr Constellation Sagittarius SAO 161376 HIP 89968
Tycho2 6273-00200-1 HD 168608 HR 6863 GC 25038
BD BD-18 4926 Distance 378.79 Distance ly 1235.61
 
 
WDS 18214-1852 EVS 35 AB (Y Sgr) : NOTES
 
 
discov_num notes refcode
EVS 35 Primary is the Cepheid Y Sgr. Evs2016a
 
 
REFERENCES
 
 
refcode metd author reference
Evs2016a H3 - Evans, N.R., Bond, H.E., Schaefer, G.H., Mason, B.D., Tingle, E., Karovska, M., & 2016AJ....151..129E
Evs2016a Pillitteri, I.
Evs2016a AJ 151, 129, 2016
Evs2016a (some theta values replaced with more precise values from Evs2016b) 2016AJ....151..108E
 
 
DISCOVERER
 
 
idgroup discov author
1 KRV Kervella, P., Thevenin, F., & Petr-Gotzens, M.G.
10 KRV Kervella, P., Gallenne, A., Evans, N.R., Szabados, L., Arenouu, F., Merand, A.,
10 KRV Proto, Y., Karczmarek, P., Nardetto, N., Gieren, W. & Pietrzynski, G.
11 KRV Kervella, P., Gallenne, A., Evans, N.R., Szabados, L., Arenouu, F., Merand, A.,
11 KRV Nardetto, N., Gieren, W. & Pietrzynski, G.
13 KRV Kervella, P., Borgniet, S., de Souza, A.D., Merand, A., Gallenne, A., Rivinius, T.,
13 KRV Lacour, S., Carciofi, A., Faes, D.M., Le Bouquin, J.-B., Taormina, M., Pilecki, B.,
13 KRV Berger, J.-P., Bendjoya, P., Klement, R., Millour, F., Janot-Pacheco, E., Spang, A.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18214-1852 EVS 35 AB 2011 1 204 10.6 5.74 17.06 F8II NU 182122.99-185135.9

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

 
 
WDS 18214-1852 EVS 35 AB (Y Sgr) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18214-1852 EVS 35 AB (Y Sgr) : MEASURES
 
 
No records found.

 
 
WDS 18214-1852 (Y Sgr) : VIRTUAL EYEPIECE
 
 

18214-1852 EVS 35A mag 5.74 Sp F8II 18214-1852 EVS 35B sep 10.5 P.A. 203.00 mag 17.06 18214-1852 KRV 48C sep 70.8 P.A. 158.00 mag 19.6 18214-1852 KRV 48D sep 90.0 P.A. 98.40 mag 19.6 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18214-1852 (Y Sgr) : ALADIN DSS IMAGE @ 18h 21m 22.99s -18° 51' 35.9"
 
 
 
 
WDS 18214-1852 EVS 35 AB (Y Sgr) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18214-1852 EVS 35AB distance=0' 18223-1856 J 1740AB distance=14' 18223-1856 J 1740AC distance=14' 18217-1909 BRT1531 distance=19' 18228-1843 CHR 235 distance=22' 18228-1910 OCC 474 distance=28' 18232-1903 I 1365 distance=29' 18236-1849 ARA 477 distance=32' 18232-1823 TOB 288 distance=39' 18241-1905 ARA 747 distance=40' 18187-1837 BU 300CD distance=41' 18191-1828 ARA 474 distance=41' 18187-1837 BU 639AB distance=41' 18187-1837 SHJ 264AB,C distance=41' 18187-1837 FOX 225AB,E distance=41' 18186-1906 OCC9181 distance=42' 18229-1818 J 1629 distance=42' 18206-1811 SKF 100 distance=42' 18184-1859 OCC9180 distance=44' 18193-1817 BRT1527 distance=47' 18210-1805 DON 893 distance=47' 18244-1917 J 1630 distance=48' 18180-1842 HWE 42 distance=48' 18210-1939 BU 48CD distance=48' 18198-1809 RST3175 distance=49' 18210-1939 BU 48AB distance=49' 18210-1939 BU 48AC distance=49' 18179-1848 BU 299TS distance=51' 18179-1848 BU 299BR distance=51' 18179-1848 SHJ 263AB distance=51' 18179-1848 BU 299AT distance=51' 18179-1848 BU 299AU distance=51' 18179-1848 BU 299AV distance=51' 18179-1848 BU 299AW distance=51' 18179-1848 BU 299VW distance=51' 18212-1800 DON 894 distance=52' 18180-1834 ARA 473 distance=52' 18238-1930 LEO 16 distance=53' 18188-1804 OL 104 distance=54' 18237-1936 ARA 746 distance=56' 18242-1935 BU 49AB distance=59' 18242-1935 BU 49AC distance=59' 18242-1935 BU 49AD distance=59' 18196-1944 WRH 30 distance=59' 18173-1851 ARA 470 distance=59' 18175-1828 OCC 12Aa,Ab distance=61' 18175-1828 RST3170AB distance=61' 18205-1951 DON 892 distance=61' 18177-1820 ARA 472 distance=62' 18181-1810 NSN 136 distance=63' 18170-1858 MZA 23AB distance=63' 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 18214-1852 EVS 35 AB 204 10.6
Show 18214-1852 KRV 48 AC 157 71.4
Show 18214-1852 KRV 48 AD 98 95.0
Show 18223-1856 J 1740 AB 148 5.4 14
Show 18223-1856 J 1740 AC 178 8.7 14
Show 18217-1909 BRT1531 215 4.9 19
Show 18228-1843 CHR 235 182 0.1 22
Show 18228-1910 OCC 474 -1 0.2 28
Show 18232-1903 I 1365 150 1.3 29
Show 18236-1849 ARA 477 352 13.9 32
Show 18232-1823 TOB 288 184 12.6 39
Show 18241-1905 ARA 747 291 6.2 40
Show 18187-1837 BU 300 CD 329 6.3 41
Show 18191-1828 ARA 474 222 12.6 41
Show 18187-1837 BU 639 AB 136 0.5 41
Show 18187-1837 SHJ 264 AB,C 50 17.2 41
Show 18187-1837 FOX 225 AB,E 328 145.6 41
Show 18186-1906 OCC9181 -1 0.2 42
Show 18229-1818 J 1629 82 8.6 42
Show 18206-1811 SKF 100 140 3.8 42
Show 18184-1859 OCC9180 -1 0.1 44
Show 18193-1817 BRT1527 359 5.0 47
Show 18210-1805 DON 893 220 2.8 47
Show 18244-1917 J 1630 222 5.3 48
Show 18180-1842 HWE 42 189 21.5 48
Show 18210-1939 BU 48 CD 57 16.4 48
Show 18198-1809 RST3175 127 0.6 49
Show 18210-1939 BU 48 AB 349 2.6 49
Show 18210-1939 BU 48 AC 283 78.6 49
Show 18179-1848 BU 299 TS 304 7.5 51
Show 18179-1848 BU 299 BR 133 10.2 51
Show 18179-1848 SHJ 263 AB 10 53.7 51
Show 18179-1848 BU 299 AT 21 21.5 51
Show 18179-1848 BU 299 AU 66 28.5 51
Show 18179-1848 BU 299 AV 324 22.9 51
Show 18179-1848 BU 299 AW 325 23.4 51
Show 18179-1848 BU 299 VW 317 6.8 51
Show 18212-1800 DON 894 342 1.2 52
Show 18180-1834 ARA 473 334 14.2 52
Show 18238-1930 LEO 16 84 1.2 53
Show 18188-1804 OL 104 213 3.6 54
Show 18237-1936 ARA 746 280 12.9 56
Show 18242-1935 BU 49 AB 45 8.2 59
Show 18242-1935 BU 49 AC 304 22.4 59
Show 18242-1935 BU 49 AD 149 23.4 59
Show 18196-1944 WRH 30 273 0.3 59
Show 18173-1851 ARA 470 166 13.8 59
Show 18175-1828 OCC 12 Aa,Ab -1 0.1 61
Show 18175-1828 RST3170 AB 169 8.6 61
Show 18205-1951 DON 892 298 1.3 61
Show 18177-1820 ARA 472 183 14.8 62

 
 
WDS 18214-1852 : COMPONENTS
 
 
  A B C
B pa=203.0°
sep=10.51"
 
C pa=158.0°
sep=70.79"
pa=151.3°
sep=63.80"
 
D pa=98.4°
sep=90.02"
pa=92.2°
sep=93.22"
pa=50.0°
sep=81.61"
 
 
18214-1852 A
 
 
Name Y Sgr Coord arcsec 2000 182122.99-185135.9 Mag 5.74 Spectral class F8II (yellow-white)
PmRA -3.00 PmDE -7.0 SAO 161376 HIP 89968
Tycho2 6273-00200-1 HD 168608 HR 6863 GC 25038
BD BD-18 4926
Tycho2
Tycho2 6273-00200-1 Pflag RAmdeg 275.34577738 DEmdeg -18.86000385
PmRA -2.0 PmDE -8.0 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.22 EpDEm 1991.24
Num 22 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 6.969 E BTmag 0.015 VTmag 5.926
E VTmag 0.010 Prox 999 TYC T HIP 89968
CCDM RAdeg 275.34578222 DEdeg -18.85998556 EpRA 1990 1.82
EpDE 1990 1.79 E RAdeg 3.6 E DEdeg 4.3 Posflg
Corr 0.0
SAO
SAO 161376 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 -0.01 Vmag 5.4 SpType F5p
Double code Source 70 CatNum 25038 DM BD-18 4926
DMcomp BDsup HD 168608 M HD 0
GC 25038 RA1950rad 4.79285525 DE1950rad -0.32958972 PmRA2000 0.0008
PmDE2000 -0.009
Hipparcos
Catalog H HIP 89968 Proxy RAhms 18 21 22.99
DEdms -18 51 35.9 Vmag 5.76 VarFlag 3 R Vmag T
RAdeg 275.346 DEdeg -18.86 AstroRef Plx 2.52
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 168608 BD BD-18 4926
CD CP Dm number -18 4926 VIred 0.8
SpType F8II R SpType Coord arcsec 2000 182122.99-185135.9
Hipparcos 2
HIP 89968 Sn 5 So 0 Nc 1
RArad 4.8056905263 DErad -0.3291688081 Plx 2.64 PmRA -3.12
PmDE -7.01 E RArad 0.44 E DErad 0.24 E Plx 0.45
E pmRA 0.45 E pmDE 0.28 Hpmag 5.8554 E Hpmag 0.0558
SHp 0.31 VA 1 BV 0.67 E BV 0.02
VI 0.8
 
 
18214-1852 B
 
 
Coord arcsec 2000 182122.70-185145.6 Mag 17.06 Calc delta mag 11.32 Calc coord yes
 
 
18214-1852 C
 
 
Coord arcsec 2000 182124.86-185241.5 Mag 19.6 Calc delta mag 13.86 Calc coord yes
 
 
18214-1852 D
 
 
Coord arcsec 2000 182129.26-185149.1 Mag 19.6 Calc delta mag 13.86 Calc coord yes