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Current system
04177-6315
RMK 3
The Ret


Nearby doubles
12' : 04186-6326
UC 1151

20' : 04157-6301
RST1269

40' : 04178-6355
RSS 72

41' : 04116-6312
LDS6174

52' : 04144-6228
HJ 3638

61' : 04095-6251
TOI 722

63' : 04255-6244
KPP1394

67' : 04148-6212
HJ 3641

71' : 04252-6405
HJ 3655AB

71' : 04242-6411
B 1468AB

74' : 04128-6421
UC 1132

74' : 04152-6204
UC 1140

78' : 04252-6415
HJ 3656

79' : 04122-6207
KPP2792

81' : 04209-6433
NSN 167

82' : 04278-6231
B 688

90' : 04233-6436
KPP3566

90' : 04074-6413
LMP 51

93' : 04060-6406
UC 1115

96' : 04235-6442
KPP2152

100' : 04211-6139
HDS 557

107' : 04093-6146
UC 1124

112' : 04336-6249
HJ 3670

112' : 04313-6215
TDS2881

121' : 04002-6254
RST 93

121' : 04080-6135
JSP 51



Selections
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Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

04177-6315 RMK 3 (The Ret)

 
 
04h 17m 40.27s -63° 15' 19.7" P.A. 2.00 sep 4.1 mag 6.04,7.67 Sp B9III-IV dist. 141.24 pc (460.72 l.y.)
 
 
Coord 2000 04177-6315 Discov num RMK   3 Comp Coord arcsec 2000 04 17 40.27 -63 15 19.7
Date first 1835 Date last 2015 Obs 34
Pa first 6 Pa last 2.3 P.A. Now (θ) 2.3°
Sep first 6.4 Sep last 4.084 Sep. Now (ρ) 4.084"
Mag pri 6.04 Mag sec 7.67 delta mag (ΔM) 1.63 Spectral class B9III-IV (blue-white)
Pri motion ra +005 Sec motion ra +005
Pri motion dec +008 Sec motion dec +028
Notes N O (See Notes, Orbital solution)
rPM=0.703
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name The Ret Var name NSV1556 Ret Constellation Reticulum SAO 248986
HIP 20020 Tycho2 8872-01982-1 Gaia DR2 4676067719930656640 HD 27657
HR 1372 GC 5233 CD CD-63 143 CP CP-63 316
Bayer Theta Reticuli Bayer name The Ret Distance 141.24 Distance ly 460.72
Bayer greek θ Ret
 
 
ORBITAL ELEMENTS
 
 
Period (P)26000y Periastron (T)4900y± 900 Semi-major axis (a)14a± 3
Eccentricity (e)0.8± 0.3 Inclination (i)105°± 2 Longitude of periastron (ω)210°± 40
Node (Ω)55°± 13 Notes ReferenceLRR2018b
Equinox2000 Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 20.4 5.633
2001 20.4 5.630
2002 20.4 5.627
2003 20.4 5.624
2004 20.4 5.622
2005 20.4 5.619
2006 20.3 5.616
2007 20.3 5.613
2008 20.3 5.610
2009 20.3 5.608
2010 20.3 5.605
2011 20.3 5.602
2012 20.3 5.599
2013 20.2 5.597
2014 20.2 5.594
2015 20.2 5.591
2016 20.2 5.588
2017 20.2 5.585
2018 20.2 5.583
2019 20.2 5.580
2020 20.2 5.577
2021 20.1 5.574
2022 20.1 5.572
2023 20.1 5.569
2024 20.1 5.566
2025 20.1 5.563
2026 20.1 5.561
2027 20.1 5.558
2028 20.0 5.555
2029 20.0 5.552
2030 20.0 5.549


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


 
  


wds04177-6315a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04177-6315 RMK 3 (The Ret) : NOTES
 
 
discov_num notes refcode
RMK 3 the Ret
Rectilinear solution by Letchford et al. (2018). LRR2018a
 
 
REFERENCES
 
 
refcode metd author reference
LRR2018a lin - Letchford, R.R., White, G.L. & Ernest, A.D. 2018JDSO...14..208L
LRR2018a JDSO 14, 208, 2018 .
LRR2018b orb - Letchford, R.R., White, G.L. & Ernest, A.D. 2018JDSO...14..761L
LRR2018b JDSO 14, 761, 2018 .
 
 
DISCOVERER
 
 
idgroup discov author
1 RMK Rumker, C. (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04177-6315 RMK 3 2000 30 2 4.3 6.04 7.67 B9III-IV N D 041740.27-631519.7
04177-6315 RMK 3 2008 32 5 3.9 6.04 7.67 B9III-IV N D 041740.27-631519.7
04177-6315 RMK 3 2010 33 1 3.8 6.04 7.67 B9III-IV N 041740.27-631519.7
04177-6315 RMK 3 2015 33 2 4.1 6.04 7.67 B9III-IV NL 041740.27-631519.7

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

 
 
WDS 04177-6315 RMK 3 (The Ret) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04177-6315 RMK 3 (The Ret) : MEASURES
 
 
No records found.

 
 
WDS 04177-6315 (The Ret) : VIRTUAL EYEPIECE
 
 

04177-6315 RMK 3A mag 6.04 Sp B9III 04177-6315 RMK 3B sep 4.1 P.A. 1.00 mag 7.67 Sp IV 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 04177-6315 (The Ret) : ALADIN DSS IMAGE @ 04h 17m 40.27s -63° 15' 19.7"
 
 
 
 
WDS 04177-6315 RMK 3 (The Ret) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04177-6315 RMK 3 distance=0' 04186-6326 UC 1151 distance=12' 04157-6301 RST1269 distance=20' 04178-6355 RSS 72 distance=40' 04116-6312 LDS6174 distance=41' 04144-6228 HJ 3638 distance=52' 04095-6251 TOI 722 distance=61' 04255-6244 KPP1394 distance=63' 04148-6212 HJ 3641 distance=67' 04252-6405 HJ 3655AB distance=71' 04242-6411 B 1468AB distance=71' 04242-6411 HJ 3651AB,C distance=71' 04252-6405 HJ 3655BC distance=72' 04128-6421 UC 1132 distance=74' 04152-6204 UC 1140 distance=74' 04252-6415 HJ 3656 distance=78' 04122-6207 KPP2792 distance=79' 04209-6433 NSN 167 distance=81' 04278-6231 B 688 distance=82' 04233-6436 KPP3566 distance=90' 04074-6413 LMP 51 distance=90' 04060-6406 UC 1115 distance=93' 04235-6442 KPP2152 distance=96' 04211-6139 HDS 557 distance=100' 04093-6146 UC 1124 distance=107' 04336-6249 HJ 3670 distance=112' 04313-6215 TDS2881 distance=112' 04002-6254 RST 93 distance=121' 04080-6135 JSP 51 distance=121' 04290-6454 RST 107 distance=124' 04358-6402 WSP 100 distance=130' 04149-6529 UC 1139 distance=136' 04376-6338 TDS2914 distance=136' 04163-6057 GLE 1 distance=139' 03598-6429 UC 1096 distance=140' 04347-6440 B 2575 distance=141' 04269-6530 HJ 3660 distance=147' 04269-6530 KPP2791AC distance=147' 04294-6113 TDS2869 distance=148' 04368-6205 HJ 3679AB distance=150' 04368-6205 HJ 3679AC distance=150' 04285-6529 UC 1170 distance=151' 04263-6539 RST 105 distance=155' 04025-6121 LDS 109 distance=156' 04284-6543 HJ 3662AB distance=163' 04284-6543 HJ 3662AC distance=163' 04284-6543 HJ 3662AD distance=163' 04284-6543 HJ 3662BD distance=163' 04322-6101 TDS2885 distance=169' 04314-6546 TDS2883 distance=175' 04347-6106 TDS2899 distance=176' 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 04177-6315 RMK 3 2 4.1
Show 04186-6326 UC 1151 10 48.9 12
Show 04157-6301 RST1269 70 1.1 20
Show 04178-6355 RSS 72 303 30.8 40
Show 04116-6312 LDS6174 137 99.4 41
Show 04144-6228 HJ 3638 355 48.4 52
Show 04095-6251 TOI 722 116 0.2 61
Show 04255-6244 KPP1394 131 10.4 63
Show 04148-6212 HJ 3641 212 13.8 67
Show 04252-6405 HJ 3655 AB 165 81.4 71
Show 04242-6411 B 1468 AB 93 0.1 71
Show 04242-6411 HJ 3651 AB,C 63 16.7 71
Show 04252-6405 HJ 3655 BC 114 49.1 72
Show 04128-6421 UC 1132 27 22.7 74
Show 04152-6204 UC 1140 306 12.0 74
Show 04252-6415 HJ 3656 263 26.5 78
Show 04122-6207 KPP2792 85 1.7 79
Show 04209-6433 NSN 167 143 5.5 81
Show 04278-6231 B 688 127 9.8 82
Show 04233-6436 KPP3566 118 2.2 90
Show 04074-6413 LMP 51 114 0.2 90
Show 04060-6406 UC 1115 134 17.6 93
Show 04235-6442 KPP2152 101 17.6 96
Show 04211-6139 HDS 557 84 0.3 100
Show 04093-6146 UC 1124 250 11.2 107
Show 04336-6249 HJ 3670 100 31.8 112
Show 04313-6215 TDS2881 276 0.8 112
Show 04002-6254 RST 93 356 0.5 121
Show 04080-6135 JSP 51 244 2.4 121
Show 04290-6454 RST 107 331 0.7 124
Show 04358-6402 WSP 100 186 4.0 130
Show 04149-6529 UC 1139 313 12.5 136
Show 04376-6338 TDS2914 238 1.7 136
Show 04163-6057 GLE 1 230 0.4 139
Show 03598-6429 UC 1096 205 14.6 140
Show 04347-6440 B 2575 227 10.2 141
Show 04269-6530 HJ 3660 224 57.3 147
Show 04269-6530 KPP2791 AC 28 8.4 147
Show 04294-6113 TDS2869 250 0.4 148
Show 04368-6205 HJ 3679 AB 16 41.1 150
Show 04368-6205 HJ 3679 AC 117 35.7 150
Show 04285-6529 UC 1170 250 49.6 151
Show 04263-6539 RST 105 281 0.4 155
Show 04025-6121 LDS 109 239 28.2 156
Show 04284-6543 HJ 3662 AB 120 14.0 163
Show 04284-6543 HJ 3662 AC 194 50.3 163
Show 04284-6543 HJ 3662 AD 43 20.1 163
Show 04284-6543 HJ 3662 BD 4 21.9 163
Show 04322-6101 TDS2885 226 0.5 169
Show 04314-6546 TDS2883 236 0.5 175
Show 04347-6106 TDS2899 321 1.7 176

 
 
WDS 04177-6315 : COMPONENTS
 
 
  A
B pa=1.0°
sep=4.08"
 
 
04177-6315 A
 
 
Componente originario normalizzato AB Name The Ret Coord arcsec 2000 041740.27-631519.7 Mag 6.04
Spectral class B9III (blue-white) PmRA 5.00 PmDE 8.0 SAO 248986
HIP 20020 Tycho2 8872-01982-1 HD 27657 HR 1372
GC 5233 CD CD-63 143 CP CP-63 316 Bayer Theta
Bayer name The
Tycho2
Tycho2 8872-01982-1 Pflag RAmdeg 64.41779909 DEmdeg -63.25546882
PmRA 5.4 PmDE 7.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.52 EpDEm 1991.34
Num 10 Q RAmdeg 1.2 Q DEmdeg 5.8 Q pmRA 1.3
Q pmDE 5.7 BTmag 5.938 E BTmag 0.014 VTmag 6.037
E VTmag 0.009 Prox 41 TYC T HIP 20020
CCDM A RAdeg 64.41777111 DEdeg -63.25548750 EpRA 1990 1.76
EpDE 1990 1.57 E RAdeg 3.5 E DEdeg 3.9 Posflg
Corr 0.1
SAO
SAO 248986 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.029 Vmag 6.2 SpType B9
Double code Source 70 CatNum 5233 DM CP-63 316
DMcomp A BDsup HD 27657 M HD 0
GC 5233 RA1950rad 1.12183244 DE1950rad -1.10612959 PmRA2000 0.0003
PmDE2000 0.027
Hipparcos
Catalog H HIP 20020 Proxy H RAhms 04 17 40.27
DEdms -63 15 19.8 Vmag 5.88 VarFlag R Vmag G
RAdeg 64.4178 DEdeg -63.2555 AstroRef A Plx 7.05
CCDM 04177-6315 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 3 Rho 4.133 HD 27657 BD
CD CD-63 143 CP CP-63 316 Dm number -63 143 VIred -0.04
SpType B+... R SpType Coord arcsec 2000 041740.27-631519.8
Hipparcos 2
HIP 20020 Sn 15 So 3 Nc 2
RArad 1.1243022089 DErad -1.1040166017 Plx 7.08 PmRA 5.26
PmDE 35.26 E RArad 0.31 E DErad 0.33 E Plx 0.33
E pmRA 0.3 E pmDE 0.41 Hpmag 5.8569 E Hpmag 0.0006
SHp 0.005 VA 0 BV -0.061 E BV 0.009
VI -0.04
CCDM
Ccdm 04177-6315 RComp Comp A Note1
Note2 Discov num DRAs -1.97 DDEs -21.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.2 Sp B9 PmNote *
PmRA -14 PmDE 10 Dm number -63 316 Cat1 CPD
Name2 248986 Cat2 SAO HD 27657 M HD
ADS BDS M ADS BDS N IDS IDS 04166S6330A
HIC 20020
 
 
04177-6315 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 041740.28-631515.6 Mag 7.67 Spectral class IV
PmRA 5.00 PmDE 28.0 Calc delta mag 1.63 Calc coord yes
CCDM
Ccdm 04177-6315 RComp Comp B Note1
Note2 Discov num RMK 3 DRAs -1.93 DDEs -16.9
R dRAs 91 Year 1943 Theta 004 Rho 4.1
Obs 15 Vmag 8.2 Sp PmNote *
PmRA -16 PmDE 10 Dm number Cat1
Name2 248985 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 04166S6330B
HIC 20020