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Current system
04182+2248
STF 520
HD 27160


Nearby doubles
18' : 04171+2240
LDS1161

23' : 04197+2300
J 1086

24' : 04177+2226
LDS1162

26' : 04166+2259
LDS1159

26' : 04187+2313
POU 432

29' : 04182+2317
PAT 3

36' : 04158+2300
FOX 137

37' : 04161+2225
LDS5528

39' : 04204+2313
POU 441

50' : 04217+2303
LDS5544

51' : 04217+2230
LDS5545

54' : 04158+2331
BU 86AB

55' : 04198+2339
POU 438

55' : 04202+2336
POU 440

59' : 04150+2325
POU 428

60' : 04198+2344
STF 523AB

60' : 04152+2206
COU 153

62' : 04220+2215
OCC 318

63' : 04219+2325
LDS5546

65' : 04157+2343
POU 429

65' : 04196+2146
SKF2834AB

67' : 04146+2331
POU 426

67' : 04225+2318
POU 443

70' : 04132+2258
HU 302

71' : 04171+2358
POU 430

74' : 04181+2402
POU 431



Selections
Full WDS
Binocular doubles
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.

04182+2248 STF 520 (HD 27160)

 
 
04h 18m 14.55s +22° 48' 24.6" P.A. 82.00 sep 0.6 mag 8.26,8.45 Sp F5 dist. 153.37 pc (500.29 l.y.)
 
 
Coord 2000 04182+2248 Discov num STF 520 Comp Coord arcsec 2000 04 18 14.55 +22 48 24.6
Date first 1832 Date last 2019 Obs 128
Pa first 104 Pa last 81.9 P.A. Now (θ) 83.9°
Sep first 0.8 Sep last 0.643 Sep. Now (ρ) 0.703"
Mag pri 8.26 Mag sec 8.45 delta mag (ΔM) 0.19 Spectral class F5 (yellow-white)
Pri motion ra -005 Sec motion ra -005
Pri motion dec -027 Sec motion dec -027
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 27160 Constellation Taurus SAO 76539 HIP 20071
Tycho2 1815-01355-1 Gaia DR2 148729872737918080 HD 27160 GC 5188
ADS 3114 BD BD+22 670 Distance 153.37 Distance ly 500.29
 
 
ORBITAL ELEMENTS
 
 
Period (P)237y Periastron (T)1972.44y Semi-major axis (a)0.52a
Eccentricity (e)0.859 Inclination (i)21° Longitude of periastron (ω)136.2°
Node (Ω)144.3° Notesn ReferenceMsn2021c
Equinox Last observation2019 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 71.3 0.496
2001 72.1 0.507
2002 72.8 0.518
2003 73.6 0.529
2004 74.3 0.539
2005 74.9 0.549
2006 75.6 0.559
2007 76.2 0.569
2008 76.8 0.579
2009 77.3 0.588
2010 77.9 0.597
2011 78.4 0.606
2012 79.0 0.615
2013 79.5 0.624
2014 80.0 0.632
2015 80.5 0.641
2016 80.9 0.649
2017 81.4 0.657
2018 81.8 0.665
2019 82.3 0.673
2020 82.7 0.681
2021 83.1 0.688
2022 83.5 0.695
2023 83.9 0.703
2024 84.3 0.710
2025 84.7 0.717
2026 85.1 0.723
2027 85.5 0.730
2028 85.8 0.737
2029 86.2 0.743
2030 86.6 0.749


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


 
  


wds04182%2B2248c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04182+2248 STF 520 (HD 27160) : NOTES
 
 
discov_num notes refcode
STF 520 Measured separation too large, estimated at probably 0.30". Cou1955c
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 14.33 +/- 9.16, 3.42, and 1.20 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Cou1955c Ma - Couteau, P. 1955JO.....38..238C
Cou1955c +Mc J. Obs. 38, 238, 1955
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Msn2021c orb - Josties, J. & Mason, B.D. 2021IAUDS.205....1M
Msn2021c Inf. Circ. 205, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04182+2248 STF 520 2008 112 78 0.6 8.26 8.45 F5 NOD 041814.55+224824.6
04182+2248 STF 520 2009 115 76 0.5 8.26 8.45 F5 NOD 041814.55+224824.6
04182+2248 STF 520 2011 118 86 0.6 8.26 8.45 F5 NOD 041814.55+224824.6
04182+2248 STF 520 2015 118 79 0.7 8.26 8.45 F5 NO 041814.55+224824.6
04182+2248 STF 520 2018 125 84 0.6 8.26 8.45 F5 NO 041814.55+224824.6
04182+2248 STF 520 2019 122 83 0.6 8.26 8.45 F5 NO 041814.55+224824.6

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

 
 
WDS 04182+2248 STF 520 (HD 27160) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04182+2248 STF 520 (HD 27160) : MEASURES
 
 
No records found.

 
 
WDS 04182+2248 (HD 27160) : VIRTUAL EYEPIECE
 
 

04182+2248 STF 520A mag 8.26 Sp F5 04182+2248 STF 520B sep 0.6 P.A. 81.20 mag 8.45 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 04182+2248 (HD 27160) : ALADIN DSS IMAGE @ 04h 18m 14.55s +22° 48' 24.6"
 
 
 
 
WDS 04182+2248 STF 520 (HD 27160) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04182+2248 STF 520 distance=0' 04171+2240 LDS1161 distance=18' 04197+2300 J 1086 distance=23' 04177+2226 LDS1162 distance=24' 04166+2259 LDS1159 distance=26' 04187+2313 POU 432 distance=26' 04182+2317 PAT 3 distance=29' 04158+2300 FOX 137 distance=36' 04161+2225 LDS5528 distance=37' 04204+2313 POU 441 distance=39' 04217+2303 LDS5544 distance=50' 04217+2230 LDS5545 distance=51' 04158+2331 BU 86AB distance=54' 04158+2331 BU 86AC distance=54' 04198+2339 POU 438 distance=55' 04202+2336 POU 440 distance=55' 04150+2325 POU 428 distance=59' 04198+2344 STF 523AB distance=60' 04198+2344 STF 523AC distance=60' 04152+2206 COU 153 distance=60' 04220+2215 OCC 318 distance=62' 04219+2325 LDS5546 distance=63' 04157+2343 POU 429 distance=65' 04196+2146 SKF2834AB distance=65' 04196+2146 SKF2834AC distance=65' 04146+2331 POU 426 distance=67' 04225+2318 POU 443 distance=67' 04132+2258 HU 302 distance=70' 04171+2358 POU 430 distance=71' 04181+2402 POU 431 distance=74' 04184+2135 MCA 14Aa,Ab distance=74' 04184+2135 BUP 52AB distance=74' 04184+2135 LMP 52Aa,Ac distance=74' 04184+2135 LMP 52Aa,Ad distance=74' 04191+2402 OCC 277 distance=75' 04131+2310 POU 424 distance=75' 04190+2404 POU 433 distance=77' 04139+2341 POU 425 distance=81' 04195+2407 POU 436 distance=81' 04213+2138 AZC 40 distance=82' 04164+2406 LDS6126 distance=82' 04238+2215 LDS5551 distance=84' 04241+2313 LDS1169 distance=85' 04191+2413 POU 434 distance=86' 04154+2405 HDS 541 distance=86' 04184+2415 LDS5537 distance=87' 04245+2244 BU 1235 distance=87' 04147+2356 POU 427 distance=88' 04190+2118 BU 1234 distance=92' 04236+2154 LDS1168 distance=93' 04246+2319 POU 450 distance=93' 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 04182+2248 STF 520 82 0.6
Show 04171+2240 LDS1161 106 97.0 18
Show 04197+2300 J 1086 93 5.1 23
Show 04177+2226 LDS1162 233 4.6 24
Show 04166+2259 LDS1159 281 6.8 26
Show 04187+2313 POU 432 111 8.9 26
Show 04182+2317 PAT 3 141 1.3 29
Show 04158+2300 FOX 137 158 6.5 36
Show 04161+2225 LDS5528 354 136.1 37
Show 04204+2313 POU 441 216 17.2 39
Show 04217+2303 LDS5544 96 127.0 50
Show 04217+2230 LDS5545 103 103.9 51
Show 04158+2331 BU 86 AB 49 4.5 54
Show 04158+2331 BU 86 AC 266 27.5 54
Show 04198+2339 POU 438 219 5.3 55
Show 04202+2336 POU 440 144 18.8 55
Show 04150+2325 POU 428 17 11.9 59
Show 04198+2344 STF 523 AB 163 10.1 60
Show 04198+2344 STF 523 AC 50 108.6 60
Show 04152+2206 COU 153 308 1.0 60
Show 04220+2215 OCC 318 -1 0.2 62
Show 04219+2325 LDS5546 232 91.8 63
Show 04157+2343 POU 429 170 11.2 65
Show 04196+2146 SKF2834 AB 114 14.5 65
Show 04196+2146 SKF2834 AC 338 37.1 65
Show 04146+2331 POU 426 67 11.0 67
Show 04225+2318 POU 443 268 11.2 67
Show 04132+2258 HU 302 40 0.2 70
Show 04171+2358 POU 430 85 17.0 71
Show 04181+2402 POU 431 47 3.8 74
Show 04184+2135 MCA 14 Aa,Ab 190 0.2 74
Show 04184+2135 BUP 52 AB 61 158.7 74
Show 04184+2135 LMP 52 Aa,Ac 175 0.2 74
Show 04184+2135 LMP 52 Aa,Ad 270 0.3 74
Show 04191+2402 OCC 277 -1 0.1 75
Show 04131+2310 POU 424 46 9.2 75
Show 04190+2404 POU 433 354 4.4 77
Show 04139+2341 POU 425 36 9.0 81
Show 04195+2407 POU 436 43 8.1 81
Show 04213+2138 AZC 40 211 43.5 82
Show 04164+2406 LDS6126 300 124.9 82
Show 04238+2215 LDS5551 283 67.5 84
Show 04241+2313 LDS1169 18 7.2 85
Show 04191+2413 POU 434 341 16.4 86
Show 04154+2405 HDS 541 311 0.4 86
Show 04184+2415 LDS5537 125 54.2 87
Show 04245+2244 BU 1235 147 0.1 87
Show 04147+2356 POU 427 233 8.3 88
Show 04190+2118 BU 1234 207 1.9 92
Show 04236+2154 LDS1168 264 5.3 93
Show 04246+2319 POU 450 201 11.7 93

 
 
WDS 04182+2248 : COMPONENTS
 
 
  A
B pa=81.2°
sep=0.59"
 
 
04182+2248 A
 
 
Componente originario normalizzato AB Name HD 27160 Coord arcsec 2000 041814.55+224824.6 Mag 8.26
Spectral class F5 (yellow-white) PmRA -5.00 PmDE -27.0 SAO 76539
HIP 20071 Tycho2 1815-01355-1 HD 27160 GC 5188
ADS 3114 BD BD+22 670
Tycho2
Tycho2 1815-01355-1 Pflag RAmdeg 64.56064775 DEmdeg 22.80686178
PmRA -4.8 PmDE -26.7 E RAmdeg 5 E DEmdeg 6
E pmRA 0.8 E pmDE 0.7 EpRAm 1991.03 EpDEm 1990.45
Num 20 Q RAmdeg 1.2 Q DEmdeg 1.5 Q pmRA 1.1
Q pmDE 1.6 BTmag 8.235 E BTmag 0.017 VTmag 7.647
E VTmag 0.012 Prox 999 TYC T HIP 20071
CCDM AB RAdeg 64.56065944 DEdeg 22.80692500 EpRA 1990 1.73
EpDE 1990 1.53 E RAdeg 5.1 E DEdeg 6.1 Posflg P
Corr -0.2
SAO
SAO 76539 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 -0.039 Vmag 7.5 SpType F5
Double code Source 70 CatNum 5188 DM BD+22 670
DMcomp BDsup HD 27160 M HD 0
GC 5188 RA1950rad 1.11378361 DE1950rad 0.395942 PmRA2000 -0.0004
PmDE2000 -0.041
Hipparcos
Catalog H HIP 20071 Proxy H RAhms 04 18 14.55
DEdms +22 48 24.9 Vmag 7.56 VarFlag R Vmag G
RAdeg 64.5606 DEdeg 22.8069 AstroRef A Plx 7.19
CCDM 04182+2248 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 64 Rho 0.394 HD 27160 BD BD+22 670
CD CP Dm number +22 670 VIred 0.62
SpType F5 R SpType Coord arcsec 2000 041814.55+224824.9
Hipparcos 2
HIP 20071 Sn 15 So 3 Nc 2
RArad 1.1267952557 DErad 0.3980555584 Plx 6.52 PmRA -9.12
PmDE -28.65 E RArad 1.06 E DErad 0.76 E Plx 1.26
E pmRA 1.41 E pmDE 1.18 Hpmag 7.6836 E Hpmag 0.0016
SHp 0.009 VA 0 BV 0.549 E BV 0.015
VI 0.62
CCDM
Ccdm 04182+2248 RComp Comp A Note1
Note2 Discov num DRAs 2.64 DDEs 24.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.3 Sp F5 PmNote *
PmRA 10 PmDE -37 Dm number +22 670 Cat1 BD
Name2 +22 408 Cat2 AGK2/3 HD 27160 M HD
ADS BDS A 3114 M ADS BDS N IDS IDS 04123N2234A
HIC 20071
 
 
04182+2248 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 041814.59+224824.7 Mag 8.45 PmRA -5.00
PmDE -27.0 Calc delta mag 0.19 Calc coord yes
CCDM
Ccdm 04182+2248 RComp Comp B Note1 *
Note2 Discov num STF 520 DRAs DDEs
R dRAs Year 1960 Theta 154 Rho 0.3
Obs 99 Vmag 8.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3114 M ADS BDS N IDS IDS 04123N2234B
HIC 20071