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Doubles in session


Current system
03175+6540
STT 52 AB
HD 20104


Nearby doubles
16' : 03200+6539
BUP 43AB

38' : 03148+6614
HU 1054

43' : 03152+6459
BVD 297

47' : 03230+6612
HDS 424

61' : 03091+6611
TDS2458

68' : 03077+6611
TDS2451

69' : 03148+6434
MLB 333AB

69' : 03164+6431
TDS2509

71' : 03094+6451
MLR 308

73' : 03275+6510
LDS3493

84' : 03146+6702
HJ 1132

86' : 03171+6705
BVD 31

89' : 03115+6700
TDS 105AB

92' : 03198+6409
KPP3166

96' : 03174+6404
FMR 62

96' : 03196+6714
HU 1056

99' : 03059+6433
TDS2442AB

100' : 03174+6359
MLB 255

101' : 03249+6709
SKF2562

101' : 03280+6424
KPP3528

101' : 03057+6651
TDS2440

102' : 03049+6439
MLB 254

105' : 03010+6524
STI 418

106' : 03313+6644
OSO 15

106' : 03293+6425
HJL 48AB

110' : 03322+6441
TDS2567



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.

03175+6540 STT 52 AB (HD 20104)

 
 
03h 17m 31.54s +65° 39' 30.1" P.A. 56.00 sep 0.5 mag 7.06,7.40 Sp A2V dist. 168.92 pc (551.02 l.y.)
 
 
Coord 2000 03175+6540 Discov num STT  52 Comp AB Coord arcsec 2000 03 17 31.54 +65 39 30.1
Date first 1843 Date last 2015 Obs 146
Pa first 157 Pa last 56.3 P.A. Now (θ) 56.3°
Sep first 0.4 Sep last 0.484 Sep. Now (ρ) 0.484"
Mag pri 7.06 Mag sec 7.40 delta mag (ΔM) 0.34 Spectral class A2V (white)
Pri motion ra -009 Sec motion ra -009
Pri motion dec +005 Sec motion dec +005
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
03175+6540 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 20104 12686 03 17 32 +65 39 30 STT 52 AB 2015 146 56 0.5 7.06 7.40 0.34 Y <===
Show 12686 03 17 32 +65 39 30 STT 52 AB,C 2012 4 223 81.1 6.46 12.70 6.24
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 20104 Constellation Camelopardalis SAO 12686 HIP 15309
Tycho2 4061-00195-1 Gaia DR2 491404564303661824 HD 20104 HR 967
GC 3893 ADS 2436 BD BD+65 338 Distance 168.92
Distance ly 551.02
 
 
ORBITAL ELEMENTS
 
 
Period (P)1593.1y Periastron (T)3418.5y Semi-major axis (a)1.918a
Eccentricity (e)0.807 Inclination (i)105.4° Longitude of periastron (ω)307.4°
Node (Ω)146.9° Notesn ReferenceMsn2017e
Equinox2000 Last observation2010 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 62.6 0.480
2001 62.0 0.481
2002 61.4 0.482
2003 60.9 0.484
2004 60.3 0.485
2005 59.8 0.487
2006 59.2 0.488
2007 58.7 0.490
2008 58.1 0.491
2009 57.6 0.493
2010 57.1 0.494
2011 56.5 0.496
2012 56.0 0.498
2013 55.5 0.500
2014 55.0 0.501
2015 54.4 0.503
2016 53.9 0.505
2017 53.4 0.507
2018 52.9 0.509
2019 52.4 0.511
2020 51.9 0.513
2021 51.4 0.515
2022 50.9 0.517
2023 50.4 0.519
2024 50.0 0.521
2025 49.5 0.523
2026 49.0 0.525
2027 48.5 0.527
2028 48.1 0.529
2029 47.6 0.532
2030 47.1 0.534


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


 
  


wds03175%2B6540e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 03175+6540 STT 52 AB (HD 20104) : NOTES
 
 
discov_num notes refcode
STT 52 A premature orbit has been calculated.
 
 
REFERENCES
 
 
refcode metd author reference
Msn2017e orb - Josties, J. & Mason, B.D. 2017IAUDS.193....1M
Msn2017e Inf. Circ. 193, 1, 2017
 
 
DISCOVERER
 
 
idgroup discov author
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03175+6540 STT 52 AB 2006 135 60 0.5 7.06 7.40 A2V NOD 031731.54+653930.1
03175+6540 STT 52 AB 2007 140 58 0.5 7.06 7.40 A2V NOD 031731.54+653930.1
03175+6540 STT 52 AB 2010 142 58 0.5 7.06 7.40 A2V NOD 031731.54+653930.1
03175+6540 STT 52 AB 2015 144 56 0.5 7.06 7.40 A2V NO 031731.54+653930.1

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

 
 
WDS 03175+6540 STT 52 AB (HD 20104) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03175+6540 STT 52 AB (HD 20104) : MEASURES
 
 
No records found.

 
 
WDS 03175+6540 (HD 20104) : VIRTUAL EYEPIECE
 
 

03175+6540 STT 52A mag 7.06 Sp A2V 03175+6540 STT 52B sep 0.3 P.A. 31.70 mag 7.4 03175+6540 STT 52C sep 63.6 P.A. 201.00 mag 12.7 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 03175+6540 (HD 20104) : ALADIN DSS IMAGE @ 03h 17m 31.54s +65° 39' 30.1"
 
 
 
 
WDS 03175+6540 STT 52 AB (HD 20104) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03175+6540 STT 52AB distance=0' 03183+6533 KPP3517AC distance=9' 03200+6539 WSI 51Aa,Ab distance=16' 03200+6539 BUP 43AB distance=16' 03148+6614 HU 1054 distance=38' 03152+6459 BVD 297 distance=43' 03230+6612 HDS 424 distance=47' 03091+6611 TDS2458 distance=61' 03077+6611 TDS2451 distance=68' 03148+6434 TDS2493Aa,Ab distance=69' 03148+6434 MLB 333AB distance=69' 03164+6431 TDS2509 distance=69' 03094+6451 MLR 308 distance=71' 03275+6510 LDS3493 distance=73' 03146+6702 HJ 1132 distance=84' 03171+6705 BVD 31 distance=86' 03115+6700 TDS 105AB distance=89' 03115+6700 DAM1298AC distance=89' 03115+6700 DAM1298CD distance=90' 03198+6409 KPP3166 distance=92' 03174+6404 FMR 62 distance=96' 03196+6714 HU 1056 distance=96' 03059+6433 TDS2442AB distance=99' 03174+6359 MLB 255 distance=100' 03249+6709 SKF2562 distance=101' 03280+6424 KPP3528 distance=101' 03057+6651 TDS2440 distance=101' 03049+6439 MLB 254 distance=102' 03010+6524 STI 418 distance=105' 03313+6644 OSO 15 distance=106' 03293+6425 HJL 48AB distance=106' 03322+6441 TDS2567 distance=110' 03006+6548 MLR 122 distance=112' 03336+6449 MLR 309 distance=113' 03013+6635 MLB 392 distance=114' 03016+6446 HU 1050 distance=114' 03242+6728 STF 374 distance=116' 03347+6454 STI 463 distance=117' 03108+6347 STF 349AB distance=121' 03025+6423 HDS 388 distance=123' 03094+6733 RAO 538 distance=124' 03154+6744 TDS2504AB distance=126' 03079+6350 HU 1053 distance=126' 03031+6412 STI 422 distance=127' 03093+6342 TDS2459 distance=129' 03078+6735 HDS 397 distance=129' 03307+6402 STI 460 distance=129' 03349+6656 TDS2589 distance=130' 03023+6413 TDS 99 distance=131' 03030+6718 TDS2428 distance=132' 02595+6432 BVD 296 distance=133' 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 03175+6540 STT 52 AB 56 0.5
Show 03175+6540 STT 52 AB,C 223 81.1
Show 03183+6533 KPP3517 AC 105 2.3 9
Show 03200+6539 WSI 51 Aa,Ab 51 0.1 16
Show 03200+6539 BUP 43 AB 58 120.7 16
Show 03148+6614 HU 1054 223 0.6 38
Show 03152+6459 BVD 297 264 15.3 43
Show 03230+6612 HDS 424 244 0.6 47
Show 03091+6611 TDS2458 104 0.6 61
Show 03077+6611 TDS2451 143 0.6 68
Show 03148+6434 TDS2493 Aa,Ab 37 0.5 69
Show 03148+6434 MLB 333 AB 309 5.0 69
Show 03164+6431 TDS2509 265 0.6 69
Show 03094+6451 MLR 308 237 0.6 71
Show 03275+6510 LDS3493 237 376.5 73
Show 03146+6702 HJ 1132 24 7.2 84
Show 03171+6705 BVD 31 163 53.0 86
Show 03115+6700 TDS 105 AB 131 2.1 89
Show 03115+6700 DAM1298 AC 291 51.9 89
Show 03115+6700 DAM1298 CD 298 1.3 90
Show 03198+6409 KPP3166 157 11.0 92
Show 03174+6404 FMR 62 172 52.0 96
Show 03196+6714 HU 1056 80 1.1 96
Show 03059+6433 TDS2442 AB 226 2.3 99
Show 03174+6359 MLB 255 63 7.3 100
Show 03249+6709 SKF2562 93 13.8 101
Show 03280+6424 KPP3528 304 1.6 101
Show 03057+6651 TDS2440 194 0.5 101
Show 03049+6439 MLB 254 193 6.6 102
Show 03010+6524 STI 418 70 9.2 105
Show 03313+6644 OSO 15 288 25.2 106
Show 03293+6425 HJL 48 AB 51 23.0 106
Show 03322+6441 TDS2567 99 0.4 110
Show 03006+6548 MLR 122 331 6.2 112
Show 03336+6449 MLR 309 270 1.6 113
Show 03013+6635 MLB 392 26 7.5 114
Show 03016+6446 HU 1050 138 0.4 114
Show 03242+6728 STF 374 297 11.2 116
Show 03347+6454 STI 463 142 14.4 117
Show 03108+6347 STF 349 AB 322 5.9 121
Show 03025+6423 HDS 388 318 0.4 123
Show 03094+6733 RAO 538 357 2.8 124
Show 03154+6744 TDS2504 AB 16 0.7 126
Show 03079+6350 HU 1053 64 2.4 126
Show 03031+6412 STI 422 122 11.0 127
Show 03093+6342 TDS2459 289 0.6 129
Show 03078+6735 HDS 397 92 0.2 129
Show 03307+6402 STI 460 312 10.3 129
Show 03349+6656 TDS2589 337 0.6 130
Show 03023+6413 TDS 99 73 2.1 131
Show 03030+6718 TDS2428 323 0.6 132

 
 
WDS 03175+6540 : COMPONENTS
 
 
  A B
B pa=31.7°
sep=0.32"
 
C pa=201.0°
sep=63.64"
pa=201.0°
sep=63.95"
 
 
03175+6540 A
 
 
Name HD 20104 Coord arcsec 2000 031731.54+653930.1 Mag 7.06 Spectral class A2V (white)
PmRA -9.00 PmDE 5.0 SAO 12686 HIP 15309
Tycho2 4061-00195-1 HD 20104 HR 967 GC 3893
BD BD+65 338
Tycho2
Tycho2 4061-00195-1 Pflag RAmdeg 49.38147104 DEmdeg 65.65837978
PmRA -9.1 PmDE 4.5 E RAmdeg 4 E DEmdeg 3
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.40 EpDEm 1991.47
Num 10 Q RAmdeg 0.8 Q DEmdeg 1.3 Q pmRA 0.7
Q pmDE 1.5 BTmag 6.586 E BTmag 0.014 VTmag 6.519
E VTmag 0.010 Prox 999 TYC T HIP 15309
CCDM AB RAdeg 49.38152306 DEdeg 65.65836917 EpRA 1990 1.54
EpDE 1990 1.57 E RAdeg 3.5 E DEdeg 3.4 Posflg P
Corr 0.3
SAO
SAO 12686 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 0.015 Vmag 6.4 SpType A2
Double code Source 70 CatNum 3893 DM BD+65 338
DMcomp BDsup HD 20104 M HD 0
GC 3893 RA1950rad 0.84264724 DE1950rad 1.14275765 PmRA2000 -0.0016
PmDE2000 0.01
Hipparcos
Catalog H HIP 15309 Proxy H RAhms 03 17 31.54
DEdms +65 39 30.1 Vmag 6.41 VarFlag R Vmag G
RAdeg 49.3814 DEdeg 65.6583 AstroRef A Plx 5.47
CCDM 03175+6539 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 67 Rho 0.468 HD 20104 BD BD+65 338
CD CP Dm number +65 338 VIred 0.09
SpType A3V R SpType Coord arcsec 2000 031731.54+653930.1
Hipparcos 2
HIP 15309 Sn 15 So 3 Nc 2
RArad 0.8618683298 DErad 1.145954383 Plx 5.92 PmRA -10.54
PmDE 5.84 E RArad 0.42 E DErad 0.38 E Plx 0.65
E pmRA 0.58 E pmDE 0.6 Hpmag 6.4801 E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.079 E BV 0.001
VI 0.09
 
 
03175+6540 B
 
 
Coord arcsec 2000 031731.57+653930.4 Mag 7.4 PmRA -9.00 PmDE 5.0
Calc delta mag 0.34 Calc coord yes
 
 
03175+6540 C
 
 
Coord arcsec 2000 031727.86+653830.7 Mag 12.7 PmRA -12.00 PmDE -4.0
Calc delta mag 5.64 Calc coord yes