04179-3348 HMM 2 Aa1,2

 
 
04h 17m 53.62s -33° 47' 54.0" P.A. 33.00 sep 0.0 mag 4.60,4.65 Sp B9V dist. 54.56 pc (177.97 l.y.)
 
 
Coord 2000 04179-3348 Discov num HMM   2 Comp Aa1,2 Coord arcsec 2000 04 17 53.62 -33 47 54.0
Date first 2012 Date last 2014 Obs 10
Pa first 313 Pa last 33.1 P.A. Now (θ) 33.1°
Sep first 0.0 Sep last 0.002 Sep. Now (ρ) 0.002"
Mag pri 4.60 Mag sec 4.65 delta mag (ΔM) 0.05 Spectral class B9V (blue-white)
Pri motion ra +070 Sec motion ra
Pri motion dec -034 Sec motion dec
Notes N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
 
 
04179-3348 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 194902 04 17 54 -33 47 54 HMM 2 Aa1,2 2014 10 33 0.0 4.60 4.65 0.05 Y <===
Show 194902 04 17 54 -33 47 54 I 270 Aa,Ab 1933 6 343 0.1 3.56 4.00 0.44
Show Ups4 Eri 194902 04 17 54 -33 47 54 HUB 3 AB 2016 2 163 5.5 3.87 9.90 6.03
Show 194902 04 17 54 -33 47 54 HJ 3636 AC 1998 3 8 49.0 3.87 11.80 7.93
Quintuple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Eridanus SAO 194902 HIP 20042 Tycho2 7040-01534-1
Gaia DR2 4870527586936740480 HD 27376 HR 1347 GC 5201
CD CD-34 1614 CP CP-34 466 Bayer Upsilon 4 Eridani Bayer name Ups4 Eri
Distance 54.56 Distance ly 177.97 Bayer greek υ4 Eri
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier04179-3348
coord_arcsec_2000041753.62-334754.0
Period (P)120.2478h± 0.000019 Periastron (T)54407.7214d (2007.839y)± 0.002 Semi-major axis (a)1.902m± 0.006
Eccentricity (e)0 Inclination (i)146.2°± 0.1 Longitude of periastron (ω)90°
Node (Ω)72°± 0.4 Notesn ReferenceHmm2017
Equinox2000 Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 139.3 0.002
2001 182.8 0.002
2002 221.2 0.002
2003 252.9 0.002
2004 284.8 0.002
2005 323.6 0.002
2006 7.2 0.002
2007 44.6 0.002
2008 76.0 0.002
2009 108.4 0.002
2010 148.1 0.002
2011 191.4 0.002
2012 228.0 0.002
2013 259.2 0.002
2014 292.1 0.002
2015 332.5 0.002
2016 15.6 0.002
2017 51.4 0.002
2018 82.3 0.002
2019 115.8 0.002
2020 157.1 0.002
2021 199.6 0.002
2022 234.6 0.002
2023 265.5 0.002
2024 299.7 0.002
2025 341.6 0.002
2026 23.6 0.002
2027 57.9 0.002
2028 88.8 0.002
2029 123.6 0.002
2030 166.1 0.002


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



 
 


wds04179-3348a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 04179-3348 HMM 2 Aa1,2 : NOTES
 
 
discov_num notes refcode
I 270 ups 4 Eri = 41 Eri. Duplicity of AB doubtful.
A is a spectroscopic binary, and possible variable.
HMM 2 Aa1,Aa2: close SB resolved by VLTI. A combined spectroscopic/
interferometric orbit by Hummel et al. (2017) yields component masses
3.17 +/- 0.07 and 3.07 +/- 0.07 Msun, luminosities 100.6 +/- 4.3 and
87.4 +/- 3.3 Lsun, and an orbital parallax of 18.05 +/- 0.17 mas. Hmm2017
 
 
REFERENCES
 
 
refcode metd author reference
Hmm2017 A j Hummel, C.A., Scholler, M., Duvert, G., & Hubrig, S. 2017A&A...600L...5H
Hmm2017 A&A 600, L5, 2017
Hmm2017 +orb
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
50 HUB Hubrig, S., Le Mignant, D., North, P., & Krautter, J.
51 I Innes, R.T.A.
55 I MNRAS 57, 533, 1897 (data also in I__1897b,
55 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04179-3348 HMM 2 Aa1,2 2014 10 33 0.0 4.60 4.65 B9V NO K 041753.62-334754.0

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WDS 04179-3348 HMM 2 Aa1,2 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04179-3348 HMM 2 Aa1,2 : MEASURES
 
 
No records found.

 
 
WDS 04179-3348 : VIRTUAL EYEPIECE
 
 

04179-3348 HUB   3A mag 3.87 Sp B9V 04179-3348 HMM   2Aa2 mag 4.65 04179-3348 I   270Ab sep 0.1 P.A. 345.70 mag 4 04179-3348 HUB   3B sep 5.4 P.A. 165.60 mag 9.9 04179-3348 HJ 3636C sep 48.8 P.A. 6.70 mag 11.8 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 04179-3348 : ALADIN DSS IMAGE @ 04h 17m 53.62s -33° 47' 54.0"
 
 
 
 
WDS 04179-3348 HMM 2 Aa1,2 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


04179-3348  HMM   2Aa1,2 distance=0' 04178-3341  RST2343 distance=7' 04190-3354  HJ 3642AB distance=16' 04190-3333  KPP3564 distance=21' 04188-3407  I   724 distance=23' 04162-3324  KPP3561 distance=32' 04196-3309  JSP 860 distance=49' 04220-3357  TDS2836 distance=52' 04184-3440  TDS2816 distance=53' 04126-3331  TDS2786 distance=68' 04120-3346  HJ 3627 distance=75' 04178-3231  TVB  68 distance=77' 04230-3442  AOT  11 distance=84' 04249-3346  ALD  24AB distance=87' 04249-3346  AOT 127AB,C distance=87' 04216-3229  BRT1588 distance=92' 04209-3520  AOT  10 distance=99' 04111-3252  UC 1128AC distance=102' 04172-3206  UC 1146 distance=103' 04243-3453  AOT  12 distance=103' 04249-3445  I    59AB distance=105' 04249-3445  DAM1313Aa,Ab distance=105' 04249-3445  DAM1313AD distance=105' 04249-3445  I    59BC distance=105' 04159-3159  HDS 542 distance=112' 04255-3452  KPP3568 distance=114' 04262-3442  PRO 243 distance=117' 04085-3407  UC 1122 distance=119' 04127-3206  JSP  53 distance=121' 04211-3543  KPP 989 distance=123' 04141-3155  TS    1 distance=123' 04277-3334  I   725 distance=123' 04231-3533  I   384 distance=124' 04279-3325  UC 1169AB distance=127' 04210-3551  KPP2828 distance=130' 04177-3558  RST2342AB distance=131' 04177-3558  SKF1286AB,C distance=131' 04282-3325  TDS2859 distance=132' 04083-3251  I   153 distance=133' 04176-3602  UC 1148 distance=135' 04193-3135  SEE  35 distance=135' 04241-3157  UC 1160 distance=137' 04287-3325  I   726 distance=137' 04069-3323  HDS 520 distance=140' 04278-3238  JSP  57 distance=144' 04294-3335  HJ 3652 distance=145' 04136-3604  UC 1135 distance=147' 04191-3120  HDS 551 distance=150' 04301-3402  WFC  26 distance=153' 04123-3605  NSN 204 distance=154' 04219-3614  TDS2835 distance=155' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 04179-3348 I 270 Aa,Ab 343 0.1
Show 04179-3348 HUB 3 AB 163 5.5
Show 04179-3348 HJ 3636 AC 8 49.0
Show 04179-3348 HMM 2 Aa1,2 33 0.0
Show 04178-3341 RST2343 206 0.2 7
Show 04190-3354 HJ 3642 AB 157 5.2 16
Show 04190-3333 KPP3564 249 1.3 21
Show 04188-3407 I 724 224 0.1 23
Show 04162-3324 KPP3561 49 2.0 32
Show 04196-3309 JSP 860 322 6.7 49
Show 04220-3357 TDS2836 156 0.6 52
Show 04184-3440 TDS2816 196 0.7 53
Show 04126-3331 TDS2786 164 0.6 68
Show 04120-3346 HJ 3627 277 25.7 75
Show 04178-3231 TVB 68 9 7.2 77
Show 04230-3442 AOT 11 55 8.1 84
Show 04249-3346 ALD 24 AB 319 1.5 87
Show 04249-3346 AOT 127 AB,C 89 6.2 87
Show 04216-3229 BRT1588 311 5.4 92
Show 04209-3520 AOT 10 232 13.9 99
Show 04111-3252 UC 1128 AC 266 44.4 102
Show 04172-3206 UC 1146 328 15.6 103
Show 04243-3453 AOT 12 292 11.3 103
Show 04249-3445 I 59 AB 201 30.0 105
Show 04249-3445 DAM1313 Aa,Ab 119 0.1 105
Show 04249-3445 DAM1313 AD 68 5.8 105
Show 04249-3445 I 59 BC 281 3.7 105
Show 04159-3159 HDS 542 181 0.9 112
Show 04255-3452 KPP3568 22 3.2 114
Show 04262-3442 PRO 243 148 2.4 117
Show 04085-3407 UC 1122 23 30.6 119
Show 04127-3206 JSP 53 18 0.5 121
Show 04211-3543 KPP 989 293 8.0 123
Show 04141-3155 TS 1 258 0.4 123
Show 04277-3334 I 725 241 3.6 123
Show 04231-3533 I 384 188 18.4 124
Show 04279-3325 UC 1169 AB 71 68.7 127
Show 04210-3551 KPP2828 355 19.0 130
Show 04177-3558 RST2342 AB 290 1.2 131
Show 04177-3558 SKF1286 AB,C 62 24.9 131
Show 04282-3325 TDS2859 48 1.0 132
Show 04083-3251 I 153 348 1.2 133
Show 04176-3602 UC 1148 26 63.3 135
Show 04193-3135 SEE 35 121 2.8 135
Show 04241-3157 UC 1160 82 12.2 137
Show 04287-3325 I 726 213 2.8 137
Show 04069-3323 HDS 520 352 1.8 140
Show 04278-3238 JSP 57 194 2.3 144
Show 04294-3335 HJ 3652 117 10.0 145
Show 04136-3604 UC 1135 52 13.4 147
Show 04191-3120 HDS 551 81 0.1 150

 
 
WDS 04179-3348 : COMPONENTS
 
 
  A Aa2 Ab B
Aa2 pa=28.4°
sep=0.00"
 
Ab pa=345.7°
sep=0.14"
pa=345.1°
sep=0.14"
 
B pa=165.6°
sep=5.38"
pa=165.6°
sep=5.38"
pa=165.6°
sep=5.52"
 
C pa=6.7°
sep=48.80"
pa=6.7°
sep=48.80"
pa=6.8°
sep=48.67"
pa=4.7°
sep=53.85"
 
 
04179-3348 A
 
 
Name Ups4 Eri Coord arcsec 2000 041753.62-334754.0 Mag 3.87 Spectral class B9V (blue-white)
PmRA 70.00 PmDE -34.0 SAO 194902 HIP 20042
Tycho2 7040-01534-1 HD 27376 HR 1347 GC 5201
CD CD-34 1614 CP CP-34 466 Bayer Upsilon 4 Eridani Bayer name Ups4 Eri
Flamsteed 41 Eridani Flamsteed name 41 Eri
Tycho2
Tycho2 7040-01534-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 3.409 E BTmag 0.014 VTmag 3.516
E VTmag 0.009 Prox 999 TYC T HIP 20042
CCDM RAdeg 64.47341694 DEdeg -33.79833194 EpRA 1990 1.52
EpDE 1990 1.70 E RAdeg 3.2 E DEdeg 3.1 Posflg
Corr 0.1
SAO
SAO 194902 DelFlag RA1950 PmRA1950 0.0049
DE1950 PmDE1950 -0.006 Vmag 3.6 SpType B9
Double code Source 71 CatNum 160 DM CD-34 1614
DMcomp BDsup HD 27376 M HD 0
GC 5201 RA1950rad 1.11701335 DE1950rad -0.59200427 PmRA2000 0.0054
PmDE2000 -0.008
Hipparcos
Catalog H HIP 20042 Proxy RAhms 04 17 53.62
DEdms -33 47 54.0 Vmag 3.55 VarFlag 1 R Vmag G
RAdeg 64.4734 DEdeg -33.7983 AstroRef Plx 18.27
CCDM 04179-3348 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 27376 BD
CD CD-34 1614 CP CP-34 466 Dm number -34 1614 VIred -0.09
SpType B9V R SpType Coord arcsec 2000 041753.62-334754.0
Hipparcos 2
HIP 20042 Sn 5 So 0 Nc 1
RArad 1.1252732932 DErad -0.5898921671 Plx 18.33 PmRA 62.52
PmDE -7.24 E RArad 0.1 E DErad 0.13 E Plx 0.15
E pmRA 0.11 E pmDE 0.16 Hpmag 3.5167 E Hpmag 0.0005
SHp 0.005 VA 0 BV -0.108 E BV 0.002
VI -0.09
CCDM
Ccdm 04179-3348 RComp Comp A Note1
Note2 Discov num DRAs -0.35 DDEs 5.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 3.6 Sp B9 PmNote *
PmRA 58 PmDE -9 Dm number -34 1614 Cat1 CD
Name2 194902 Cat2 SAO HD 27376 M HD
ADS BDS M ADS BDS N IDS IDS 04141S3403A
HIC 20042
 
 
04179-3348 Aa2
 
 
Coord arcsec 2000 041753.62-334754.0 Mag 4.65 Calc delta mag 0.05 Calc coord yes
 
 
04179-3348 Ab
 
 
Coord arcsec 2000 041753.62-334753.9 Mag 4 Calc delta mag 0.6 Calc coord yes
 
 
04179-3348 B
 
 
Coord arcsec 2000 041753.73-334759.2 Mag 9.9 Calc delta mag 5.3 Calc coord yes
CCDM
Ccdm 04179-3348 RComp Comp B Note1
Note2 Discov num I 270 DRAs DDEs
R dRAs Year 1900 Theta Rho 0.1
Obs Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 04141S3403B
HIC 20042
 
 
04179-3348 C
 
 
Coord arcsec 2000 041754.08-334705.5 Mag 11.8 Calc delta mag 7.2 Calc coord yes
CCDM
Ccdm 04179-3348 RComp Comp C Note1
Note2 Discov num HJ 3636 DRAs DDEs
R dRAs Year 1919 Theta 013 Rho 49.2
Obs 1 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 04141S3403C
HIC