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Current system
16189-5754
EVS 1 AC


Nearby doubles
3' : 16188-5757
RST5048

5' : 16193-5752
TDS 809

21' : 16192-5734
RST 833

23' : 16216-5759
TDS9860

25' : 16160-5743
BRT3176

26' : 16204-5817
COO 196

26' : 16161-5809
BRT3177

27' : 16155-5752
BRT3175

28' : 16199-5820
TDS9842

33' : 16168-5822
WFC 280

36' : 16220-5727
BRT3178

43' : 16205-5834
FIN 246

44' : 16241-5742
TDS 812

46' : 16192-5708
TDS9837

53' : 16123-5800
RST 819

60' : 16263-5754
WFC 175

63' : 16266-5753
BRT2819

64' : 16231-5700
KPP1141

66' : 16110-5736
HDS2287

71' : 16235-5853
RST5050

73' : 16279-5805
RST 848

73' : 16279-5804
RST 849

78' : 16156-5641
I 558

79' : 16287-5745
HDS2330

81' : 16135-5647
LDS 553

82' : 16155-5911
BRT3174



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

16189-5754 EVS 1 AC

 
 
16h 18m 51.83s -57° 53' 59.2" P.A. 209.00 sep 35.5 mag 6.64,9.98 Sp F9Ib+B7V dist. 862.07 pc (2812.07 l.y.)
 
 
Coord 2000 16189-5754 Discov num EVS   1 Comp AC Coord arcsec 2000 16 18 51.83 -57 53 59.2
Date first 1894 Date last 2015 Obs 7
Pa first 210 Pa last 208.9 P.A. Now (θ) 208.9°
Sep first 35.9 Sep last 35.52 Sep. Now (ρ) 35.52"
Mag pri 6.64 Mag sec 9.98 delta mag (ΔM) 3.34 Spectral class F9Ib+B7V (yellow-white/blue-white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec -002 Sec motion dec -003
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.316
This double is physical.
 
 
16189-5754 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show S Nor 243586 16 18 52 -57 53 59 EVS 1 AB 2011 1 259 0.9 6.64 11.60 4.96
Show 243586 16 18 52 -57 53 59 EVS 1 AC 2015 7 209 35.5 6.64 9.98 3.34 <===
Show 243586 16 18 52 -57 53 59 EVS 1 AD 2015 2 45 8.5 6.64 18.10 11.46
Show 243586 16 18 52 -57 53 59 EVS 1 AE 2015 2 7 13.6 6.64 17.40 10.76
Show 243586 16 18 52 -57 53 59 EVS 1 AF 2015 2 289 14.7 6.64 14.00 7.36
Show 243586 16 18 52 -57 53 59 EVS 1 AG 2011 1 1 15.0 6.64 18.00 11.36
Show 243586 16 18 52 -57 53 59 EVS 1 AH 2015 2 172 20.0 6.64 16.50 9.86
Show 243586 16 18 52 -57 53 59 EVS 1 AI 2015 2 189 20.3 6.64 16.30 9.66
Show 243586 16 18 52 -57 53 59 KRV 44 AJ 2015 3 5 46.3 6.64 16.00 9.36
Show 243586 16 18 52 -57 53 59 KRV 44 AK 2015 3 23 43.7 6.64 17.10 10.46
11-fold system
11 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name S Nor Constellation Norma SAO 243586 HIP 79932
Tycho2 8719-00158-1 Gaia DR2 5835124087174043136 HD 146323 HR 6062
CD CD-57 6342 CP CP-57 7821 Distance 862.07 Distance ly 2812.07
 
 
WDS 16189-5754 EVS 1 AC : NOTES
 
 
discov_num notes refcode
EVS 1 Primary is Cepheid S Nor.
Masses are 6.3 and 2.4 Msun. Estimated period = 8660y,
a = 790au = 0.87". Evs2013
 
 
REFERENCES
 
 
refcode metd author reference
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 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
16189-5754 EVS 1 AC 1990 1 209 35.8 6.54 10.00 F9Ib+B9.5 NV 161851.83-575359.2
16189-5754 EVS 1 AC 1998 2 209 35.8 6.54 10.00 F9Ib+B9.5 NV 161851.83-575359.2
16189-5754 EVS 1 AC 2015 7 209 35.5 6.54 10.00 F9Ib+B9.5 NV 161851.83-575359.2

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

 
 
WDS 16189-5754 EVS 1 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16189-5754 EVS 1 AC : MEASURES
 
 
No records found.

 
 
WDS 16189-5754 : VIRTUAL EYEPIECE
 
 

16189-5754 EVS 1A mag 6.64 Sp F9Ib 16189-5754 EVS 1B sep 0.5 P.A. 250.30 mag 11.6 Sp B9V 16189-5754 EVS 1C sep 32.4 P.A. 196.30 mag 9.98 Sp B7V 16189-5754 EVS 1D sep 6.9 P.A. 27.60 mag 18.1 16189-5754 EVS 1E sep 13.5 P.A. 3.60 mag 17.4 16189-5754 EVS 1F sep 8.8 P.A. 303.10 mag 14 16189-5754 EVS 1G sep 15.0 P.A. 0.60 mag 18 16189-5754 EVS 1H sep 19.9 P.A. 175.90 mag 16.5 16189-5754 EVS 1I sep 20.1 P.A. 184.80 mag 16.3 16189-5754 KRV 44J sep 46.2 P.A. 2.60 mag 16 16189-5754 KRV 44K sep 41.3 P.A. 12.50 mag 17.1 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 16189-5754 : ALADIN DSS IMAGE @ 16h 18m 51.83s -57° 53' 59.2"
 
 
 
 
WDS 16189-5754 EVS 1 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16189-5754 EVS 1AC distance=0' 16188-5757 RST5048 distance=3' 16193-5752 TDS 809 distance=5' 16192-5734 RST 833 distance=21' 16216-5759 TDS9860 distance=23' 16160-5743 BRT3176 distance=25' 16204-5817 COO 196 distance=26' 16161-5809 BRT3177 distance=26' 16155-5752 BRT3175 distance=27' 16199-5820 TDS9842 distance=28' 16168-5822 WFC 280 distance=33' 16220-5727 BRT3178 distance=36' 16205-5834 FIN 246 distance=43' 16241-5742 TDS 812 distance=44' 16192-5708 TDS9837 distance=46' 16123-5800 RST 819 distance=53' 16263-5754 WFC 175 distance=60' 16266-5753 BRT2819 distance=63' 16231-5700 KPP1141 distance=64' 16110-5736 HDS2287 distance=66' 16235-5853 RST5050 distance=71' 16279-5805 RST 848 distance=73' 16279-5804 RST 849 distance=73' 16156-5641 I 558 distance=78' 16287-5745 HDS2330 distance=79' 16135-5647 LDS 553 distance=81' 16155-5911 BRT3174 distance=82' 16120-5649 TDS9792 distance=86' 16229-5913 BRT3179 distance=86' 16101-5704 RST3002 distance=86' 16232-5632 BRT2818 distance=90' 16258-5905 TDS9897 distance=90' 16243-5921 HDS2317Aa,Ab distance=97' 16243-5921 SHY 284AB distance=97' 16151-5622 EGN 17AB distance=97' 16151-5622 EGN 17AC distance=97' 16151-5622 EGN 17AD distance=97' 16151-5622 EGN 17AE distance=97' 16151-5622 EGN 17AF distance=97' 16134-5625 COO 195 distance=100' 16158-5615 TDS9815 distance=103' 16255-5926 HJ 4844 distance=106' 16229-5613 RST 840 distance=107' 16241-5934 RST5051 distance=108' 16200-5942 JSP 690BC distance=108' 16200-5942 JSP 690A,BC distance=109' 16120-5929 JSP 686 distance=109' 16193-5943 JSP 689 distance=109' 16311-5848 NZO 78AB distance=111' 16311-5848 NZO 78AC distance=111' 16105-5926 TDS9783 distance=113' 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 16189-5754 EVS 1 AB 259 0.9
Show 16189-5754 EVS 1 AC 209 35.5
Show 16189-5754 EVS 1 AD 45 8.5
Show 16189-5754 EVS 1 AE 7 13.6
Show 16189-5754 EVS 1 AF 289 14.7
Show 16189-5754 EVS 1 AG 1 15.0
Show 16189-5754 EVS 1 AH 172 20.0
Show 16189-5754 EVS 1 AI 189 20.3
Show 16189-5754 KRV 44 AJ 5 46.3
Show 16189-5754 KRV 44 AK 23 43.7
Show 16188-5757 RST5048 38 0.3 3
Show 16193-5752 TDS 809 185 1.8 5
Show 16192-5734 RST 833 181 2.7 21
Show 16216-5759 TDS9860 24 1.4 23
Show 16160-5743 BRT3176 337 4.1 25
Show 16204-5817 COO 196 346 6.6 26
Show 16161-5809 BRT3177 281 3.0 26
Show 16155-5752 BRT3175 221 3.3 27
Show 16199-5820 TDS9842 65 0.8 28
Show 16168-5822 WFC 280 95 11.2 33
Show 16220-5727 BRT3178 151 5.2 36
Show 16205-5834 FIN 246 29 0.4 43
Show 16241-5742 TDS 812 334 0.8 44
Show 16192-5708 TDS9837 19 1.1 46
Show 16123-5800 RST 819 303 4.1 53
Show 16263-5754 WFC 175 344 9.7 60
Show 16266-5753 BRT2819 209 3.6 63
Show 16231-5700 KPP1141 256 8.9 64
Show 16110-5736 HDS2287 91 0.7 66
Show 16235-5853 RST5050 194 1.1 71
Show 16279-5805 RST 848 190 0.3 73
Show 16279-5804 RST 849 20 1.5 73
Show 16156-5641 I 558 49 1.6 78
Show 16287-5745 HDS2330 14 1.9 79
Show 16135-5647 LDS 553 117 14.5 81
Show 16155-5911 BRT3174 136 5.1 82
Show 16120-5649 TDS9792 210 2.0 86
Show 16229-5913 BRT3179 113 3.8 86
Show 16101-5704 RST3002 216 0.4 86
Show 16232-5632 BRT2818 235 3.1 90
Show 16258-5905 TDS9897 237 0.5 90
Show 16243-5921 HDS2317 Aa,Ab 148 1.0 97
Show 16243-5921 SHY 284 AB 350 999.9 97
Show 16151-5622 EGN 17 AB 169 2.1 97
Show 16151-5622 EGN 17 AC 58 2.4 97
Show 16151-5622 EGN 17 AD 153 3.3 97
Show 16151-5622 EGN 17 AE 246 7.7 97
Show 16151-5622 EGN 17 AF 287 13.6 97
Show 16134-5625 COO 195 127 2.7 100
Show 16158-5615 TDS9815 154 2.5 103
Show 16255-5926 HJ 4844 63 6.9 106

 
 
WDS 16189-5754 : COMPONENTS
 
 
  A B C D E F G H I J
B pa=250.3°
sep=0.50"
 
C pa=196.3°
sep=32.41"
pa=195.6°
sep=32.12"
 
D pa=27.6°
sep=6.86"
pa=30.3°
sep=7.23"
pa=18.3°
sep=39.15"
 
E pa=3.6°
sep=13.51"
pa=5.5°
sep=13.71"
pa=12.6°
sep=45.68"
pa=342.5°
sep=7.76"
 
F pa=303.1°
sep=8.81"
pa=305.8°
sep=8.52"
pa=2.8°
sep=35.95"
pa=263.2°
sep=10.63"
pa=223.5°
sep=11.95"
 
G pa=0.6°
sep=15.00"
pa=2.4°
sep=15.18"
pa=11.4°
sep=47.02"
pa=341.3°
sep=9.42"
pa=335.6°
sep=1.67"
pa=36.5°
sep=12.67"
 
H pa=175.9°
sep=19.88"
pa=174.6°
sep=19.75"
pa=43.1°
sep=15.42"
pa=183.9°
sep=25.97"
pa=179.0°
sep=33.32"
pa=160.4°
sep=26.16"
pa=177.9°
sep=34.85"
 
I pa=184.8°
sep=20.15"
pa=183.5°
sep=19.95"
pa=34.1°
sep=13.30"
pa=190.5°
sep=26.60"
pa=184.3°
sep=33.65"
pa=167.1°
sep=25.54"
pa=183.0°
sep=35.12"
pa=265.4°
sep=3.09"
 
J pa=2.6°
sep=46.20"
pa=3.2°
sep=46.39"
pa=8.3°
sep=78.06"
pa=358.5°
sep=40.09"
pa=2.2°
sep=32.70"
pa=12.9°
sep=42.41"
pa=3.6°
sep=31.21"
pa=0.6°
sep=65.99"
pa=3.3°
sep=66.34"
 
K pa=12.5°
sep=41.26"
pa=13.1°
sep=41.53"
pa=14.2°
sep=73.63"
pa=9.6°
sep=34.69"
pa=16.8°
sep=28.00"
pa=24.7°
sep=39.05"
pa=19.2°
sep=26.77"
pa=7.2°
sep=60.58"
pa=10.0°
sep=61.29"
pa=130.6°
sep=9.03"
 
 
16189-5754 A
 
 
Name S Nor Coord arcsec 2000 161851.83-575359.2 Mag 6.64 Spectral class F9Ib (yellow-white)
PmRA -1.00 PmDE -2.0 SAO 243586 HIP 79932
Tycho2 8719-00158-1 HD 146323 HR 6062 GC 21898
CD CD-57 6342 CP CP-57 7821
Tycho2
Tycho2 8719-00158-1 Pflag RAmdeg 244.71595649 DEmdeg -57.89979313
PmRA -2.9 PmDE -2.5 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.24 EpDEm 1991.06
Num 11 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.6 BTmag 7.719 E BTmag 0.015 VTmag 6.640
E VTmag 0.010 Prox 355 TYC T HIP 79932
CCDM RAdeg 244.71596944 DEdeg -57.89978722 EpRA 1990 1.51
EpDE 1990 1.34 E RAdeg 3.9 E DEdeg 4.1 Posflg
Corr 0.1
SAO
SAO 243586 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 -0.002 Vmag SpType G0p
Double code Source 70 CatNum 21898 DM CP-57 7821
DMcomp BDsup HD 146323 M HD 0
GC 21898 RA1950rad 4.25296597 DE1950rad -1.00842501 PmRA2000 0
PmDE2000 -0.001
Hipparcos
Catalog H HIP 79932 Proxy RAhms 16 18 51.83
DEdms -57 53 59.2 Vmag 6.54 VarFlag 3 R Vmag T
RAdeg 244.716 DEdeg -57.8998 AstroRef Plx 1.19
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 146323 BD
CD CD-57 6342 CP CP-57 7821 Dm number -57 6342 VIred 0.95
SpType F8/G0Ib R SpType Coord arcsec 2000 161851.83-575359.2
Hipparcos 2
HIP 79932 Sn 5 So 0 Nc 1
RArad 4.2710994839 DErad -1.0105419172 Plx 1.16 PmRA 0.07
PmDE 0.04 E RArad 0.65 E DErad 0.56 E Plx 0.76
E pmRA 0.92 E pmDE 0.73 Hpmag 6.727 E Hpmag 0.0324
SHp 0.23 VA 1 BV 0.931 E BV 0.033
VI 0.93
 
 
16189-5754 B
 
 
Coord arcsec 2000 161851.77-575359.4 Mag 11.6 Spectral class B9V (blue-white) Calc delta mag 4.96
Calc coord yes
 
 
16189-5754 C
 
 
Coord arcsec 2000 161850.69-575430.3 Mag 9.98 Spectral class B7V (blue-white) PmRA -1.00
PmDE -3.0 Calc delta mag 3.34 Calc coord yes
 
 
16189-5754 D
 
 
Coord arcsec 2000 161852.23-575353.1 Mag 18.1 Calc delta mag 11.46 Calc coord yes
 
 
16189-5754 E
 
 
Coord arcsec 2000 161851.94-575345.7 Mag 17.4 Calc delta mag 10.76 Calc coord yes
 
 
16189-5754 F
 
 
Coord arcsec 2000 161850.90-575354.4 Mag 14 Calc delta mag 7.36 Calc coord yes
 
 
16189-5754 G
 
 
Coord arcsec 2000 161851.85-575344.2 Mag 18 Calc delta mag 11.36 Calc coord yes
 
 
16189-5754 H
 
 
Coord arcsec 2000 161852.01-575419.0 Mag 16.5 Calc delta mag 9.86 Calc coord yes
 
 
16189-5754 I
 
 
Coord arcsec 2000 161851.62-575419.3 Mag 16.3 Calc delta mag 9.66 Calc coord yes
 
 
16189-5754 J
 
 
Coord arcsec 2000 161852.09-575313.0 Mag 16 Calc delta mag 9.36 Calc coord yes
 
 
16189-5754 K
 
 
Coord arcsec 2000 161852.95-575318.9 Mag 17.1 Calc delta mag 10.46 Calc coord yes