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Current system
00171+3841
CHR 123
The And


Nearby doubles
23' : 00190+3842
ALI 720

27' : 00150+3851
UC 342

33' : 00167+3910
ES 1936

39' : 00201+3824
ALI 475

44' : 00200+3814
S 384AB

44' : 00205+3858
KPP2329

48' : 00134+3859
BRT2196

49' : 00155+3755
GRV 17

52' : 00156+3751
COU 848

54' : 00135+3808
CBL 566

58' : 00134+3801
ES 2445

62' : 00119+3850
FMR 176

64' : 00118+3855
ALI 717

67' : 00176+3946
COU1048

73' : 00118+3919
LDS3138

74' : 00224+3802
ALI 476

76' : 00235+3835
BLL 1

81' : 00231+3801
ALI 477

82' : 00240+3835
BUP 7

84' : 00141+3957
ES 2544

85' : 00158+3718
TDS1369

85' : 00243+3842
CBL 4

86' : 00191+3719
ALI 244

90' : 00096+3826
PTT 1

91' : 00094+3841
ALI 716

99' : 00132+3714
TDS1346



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

00171+3841 CHR 123 (The And)

 
 
00h 17m 05.54s +38° 40' 54.0" P.A. 144.00 sep 0.0 mag 4.61, Sp A2V dist. 94.7 pc (308.91 l.y.)
 
 
Coord 2000 00171+3841 Discov num CHR 123 Comp Coord arcsec 2000 00 17 05.54 +38 40 54.0
Date first 1986 Date last 2011 Obs 8
Pa first 142 Pa last 144 P.A. Now (θ) 144°
Sep first 0.1 Sep last 0.025 Sep. Now (ρ) 0.025"
Mag pri 4.61 Mag sec delta mag (ΔM) Spectral class A2V (white)
Pri motion ra -048 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name The And Var name NSV116 And Constellation Andromeda SAO 53777
HIP 1366 Tycho2 2782-02251-1 Gaia DR2 379662675036095232 HD 1280
HR 63 GC 334 BD BD+37 34 Bayer Theta Andromedae
Bayer name The And Flamsteed 24 Andromedae Flamsteed name 24 And Distance 94.7
Distance ly 308.91 Bayer greek θ And
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)1006d (2.75y)± 95 Periastron (T)48621d (1991.996y)± 327 Semi-major axis (a)12m± 6
Eccentricity (e)0.62± 0.28 Inclination (i)63°± 10 Longitude of periastron (ω)70°± 96
Node (Ω)294°± 94 Notesn ReferenceGln2006
Equinox Last observation1993 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 275.1 0.008
2001-01-01 136.3 0.013
2002-01-01 192.5 0.009
2003-01-01 332.8 0.003
2004-01-01 146.1 0.013
2005-01-01 218.0 0.008
2006-01-01 110.3 0.008
2007-01-01 157.3 0.011
2008-01-01 246.0 0.008
2009-01-01 125.5 0.012
2010-01-01 171.6 0.010
2011-01-01 273.1 0.008
2012-01-01 135.6 0.013
2013-01-01 190.9 0.009
2014-01-01 321.2 0.003
2015-01-01 145.4 0.013
2016-01-01 216.0 0.008
2017-01-01 108.5 0.008
2018-01-01 156.5 0.012
2019-01-01 244.0 0.008
2020-01-01 124.7 0.012
2021-01-01 170.5 0.010
2022-01-01 271.2 0.008
2023-01-01 134.9 0.013
2024-01-01 189.3 0.009
2025-01-01 313.1 0.004
2026-01-01 144.7 0.013
2027-01-01 214.1 0.008
2028-01-01 106.6 0.007
2029-01-01 155.6 0.012
2030-01-01 242.1 0.008


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


 
  


wds00171%2B3841r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)1033d (2.83y)± 84 Periastron (T)48587d (1991.903y)± 243 Semi-major axis (a)25m± 22
Eccentricity (e)0.95± 0.22 Inclination (i)69°± 15 Longitude of periastron (ω)89°± 102
Node (Ω)263°± 103 Notesn ReferenceGln2006
Equinox Last observation1993 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 207.1 0.013
2001-01-01 144.8 0.015
2002-01-01 176.0 0.017
2003-01-01 218.6 0.010
2004-01-01 151.0 0.016
2005-01-01 181.3 0.017
2006-01-01 242.7 0.005
2007-01-01 156.6 0.017
2008-01-01 186.9 0.016
2009-01-01 116.2 0.009
2010-01-01 161.8 0.017
2011-01-01 193.0 0.015
2012-01-01 130.1 0.012
2013-01-01 166.9 0.017
2014-01-01 200.1 0.014
2015-01-01 139.0 0.014
2016-01-01 171.9 0.017
2017-01-01 208.8 0.012
2018-01-01 146.0 0.015
2019-01-01 176.9 0.017
2020-01-01 221.3 0.010
2021-01-01 152.0 0.016
2022-01-01 182.2 0.017
2023-01-01 257.4 0.003
2024-01-01 157.5 0.017
2025-01-01 187.9 0.016
2026-01-01 119.4 0.010
2027-01-01 162.7 0.017
2028-01-01 194.2 0.015
2029-01-01 131.9 0.012
2030-01-01 167.8 0.017


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


 
  


wds00171%2B3841s.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 00171+3841 CHR 123 (The And) : NOTES
 
 
discov_num notes refcode
CHR 123 theta And = 24 And
 
 
REFERENCES
 
 
refcode metd author reference
Gln2006 orb - Goldin, A. & Makarov, V.V. 2006ApJS..166..341G
Gln2006 ApJS 166, 341, 2006
Gln2006 (Note: Astrometric orbits based on both NDAC and FAST reductions of Hipparcos data
Gln2006 (2 solutions). Values of T0 are relative to 1991.25 = JD 2448349.0625)
 
 
DISCOVERER
 
 
idgroup discov author
1 CHR Center for High Ang. Res. Astronomy (speckle interferometry systems)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00171+3841 CHR 123 1996 6 135 0.1 4.61   A2V N 001705.54+384054.0
00171+3841 CHR 123 2011 8 144 0.0 4.61   A2V NO 001705.54+384054.0

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

 
 
WDS 00171+3841 CHR 123 (The And) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00171+3841 CHR 123 (The And) : MEASURES
 
 
No records found.

 
 
WDS 00171+3841 (The And) : VIRTUAL EYEPIECE
 
 

00171+3841 CHR 123A mag 4.61 Sp A2V 00171+3841 CHR 123B 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 00171+3841 (The And) : ALADIN DSS IMAGE @ 00h 17m 05.54s +38° 40' 54.0"
 
 
 
 
WDS 00171+3841 CHR 123 (The And) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00171+3841 CHR 123 distance=0' 00190+3842 ALI 720 distance=23' 00150+3851 UC 342 distance=27' 00167+3910 ES 1936 distance=33' 00201+3824 ALI 475 distance=39' 00200+3814 FYM 147DG distance=43' 00200+3814 S 384AB distance=44' 00200+3814 S 384AC distance=44' 00200+3814 FYM 147AD distance=44' 00200+3814 FYM 147AE distance=44' 00200+3814 FYM 147AF distance=44' 00205+3858 KPP2329 distance=44' 00134+3859 BRT2196 distance=48' 00155+3755 GRV 17 distance=49' 00156+3751 COU 848 distance=52' 00135+3808 CBL 566 distance=54' 00134+3801 ES 2445 distance=58' 00119+3850 FMR 176 distance=62' 00118+3855 ALI 717 distance=64' 00176+3946 COU1048 distance=67' 00118+3919 LDS3138 distance=73' 00224+3802 ALI 476 distance=74' 00235+3835 BLL 1 distance=76' 00231+3801 ALI 477 distance=81' 00240+3835 BUP 7 distance=82' 00101+3825 VVO 2AD distance=83' 00101+3825 DAM 31AG distance=83' 00101+3825 DAM 31AI distance=83' 00101+3825 DAM 31AH distance=83' 00141+3957 ES 2544 distance=84' 00101+3825 HDS 23Da,Db distance=84' 00101+3825 SKF 495DB distance=84' 00101+3825 DAM 31DH distance=84' 00158+3718 TDS1369 distance=85' 00243+3842 CBL 4 distance=85' 00191+3719 ALI 244 distance=86' 00096+3826 PTT 1 distance=90' 00094+3841 ALI 716 distance=91' 00132+3714 TDS1346 distance=99' 00196+4018 DEA 66 distance=102' 00133+4013 ES 152 distance=103' 00086+3906 ALI 715 distance=103' 00258+3852 ES 222 distance=103' 00185+4024 MLB 733 distance=106' 00263+3857 UC 365 distance=110' 00262+3815 A 1503 distance=110' 00098+3731 COU 847AB distance=111' 00098+3731 GRV 10AC distance=111' 00202+3655 TOK 444 distance=112' 00203+3654 ALI 245 distance=113' 00266+3908 LDS6409 distance=114' 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 00171+3841 CHR 123 144 0.0
Show 00190+3842 ALI 720 118 8.8 23
Show 00150+3851 UC 342 246 43.7 27
Show 00167+3910 ES 1936 71 5.7 33
Show 00201+3824 ALI 475 88 15.7 39
Show 00200+3814 FYM 147 DG 280 3.2 43
Show 00200+3814 S 384 AB 22 104.0 44
Show 00200+3814 S 384 AC 265 21.9 44
Show 00200+3814 FYM 147 AD 330 77.6 44
Show 00200+3814 FYM 147 AE 219 38.9 44
Show 00200+3814 FYM 147 AF 14 47.9 44
Show 00205+3858 KPP2329 247 19.8 44
Show 00134+3859 BRT2196 358 5.2 48
Show 00155+3755 GRV 17 215 43.7 49
Show 00156+3751 COU 848 296 0.8 52
Show 00135+3808 CBL 566 79 10.3 54
Show 00134+3801 ES 2445 80 9.0 58
Show 00119+3850 FMR 176 331 5.9 62
Show 00118+3855 ALI 717 342 7.8 64
Show 00176+3946 COU1048 311 0.5 67
Show 00118+3919 LDS3138 270 45.7 73
Show 00224+3802 ALI 476 14 11.2 74
Show 00235+3835 BLL 1 3 63.2 76
Show 00231+3801 ALI 477 249 13.1 81
Show 00240+3835 BUP 7 142 83.5 82
Show 00101+3825 VVO 2 AD 259 55.5 83
Show 00101+3825 DAM 31 AG 301 29.9 83
Show 00101+3825 DAM 31 AI 160 37.8 83
Show 00101+3825 DAM 31 AH 269 42.1 83
Show 00141+3957 ES 2544 93 4.6 84
Show 00101+3825 HDS 23 Da,Db 146 0.2 84
Show 00101+3825 SKF 495 DB 297 4.4 84
Show 00101+3825 DAM 31 DH 52 16.2 84
Show 00158+3718 TDS1369 282 0.8 85
Show 00243+3842 CBL 4 115 29.6 85
Show 00191+3719 ALI 244 147 8.7 86
Show 00096+3826 PTT 1 113 10.0 90
Show 00094+3841 ALI 716 92 13.8 91
Show 00132+3714 TDS1346 170 1.6 99
Show 00196+4018 DEA 66 338 55.6 102
Show 00133+4013 ES 152 106 7.5 103
Show 00086+3906 ALI 715 107 9.2 103
Show 00258+3852 ES 222 153 6.3 103
Show 00185+4024 MLB 733 50 10.3 106
Show 00263+3857 UC 365 57 35.9 110
Show 00262+3815 A 1503 305 2.0 110
Show 00098+3731 COU 847 AB 2 1.7 111
Show 00098+3731 GRV 10 AC 141 63.9 111
Show 00202+3655 TOK 444 225 999.9 112
Show 00203+3654 ALI 245 281 6.3 113
Show 00266+3908 LDS6409 23 24.6 114

 
 
WDS 00171+3841 : COMPONENTS
 
 
  A
B pa=150.4°
sep=0.02"
 
 
00171+3841 A
 
 
Componente originario normalizzato AB Name The And Coord arcsec 2000 001705.54+384054.0 Mag 4.61
Spectral class A2V (white) PmRA -48.00 PmDE -13.0 SAO 53777
HIP 1366 Tycho2 2782-02251-1 HD 1280 HR 63
GC 334 BD BD+37 34 Bayer Theta Andromedae Bayer name The And
Flamsteed 24 Andromedae Flamsteed name 24 And
Tycho2
Tycho2 2782-02251-1 Pflag RAmdeg 4.27289837 DEmdeg 38.68164590
PmRA -53.4 PmDE -13.5 E RAmdeg 3 E DEmdeg 3
E pmRA 1.0 E pmDE 1.1 EpRAm 1991.54 EpDEm 1991.58
Num 15 Q RAmdeg 1.3 Q DEmdeg 1.7 Q pmRA 1.3
Q pmDE 1.5 BTmag 4.677 E BTmag 0.014 VTmag 4.607
E VTmag 0.009 Prox 999 TYC T HIP 1366
CCDM RAdeg 4.27305611 DEdeg 38.68167694 EpRA 1990 1.69
EpDE 1990 1.72 E RAdeg 3.3 E DEdeg 3.4 Posflg
Corr -0.1
SAO
SAO 53777 DelFlag RA1950 PmRA1950 -0.0044
DE1950 PmDE1950 -0.015 Vmag 4.4 SpType A2
Double code Source 70 CatNum 334 DM BD+37 34
DMcomp BDsup HD 1280 M HD 0
GC 334 RA1950rad 0.06314447 DE1950rad 0.67027867 PmRA2000 -0.0043
PmDE2000 -0.02
Hipparcos
Catalog H HIP 1366 Proxy RAhms 00 17 05.54
DEdms +38 40 54.0 Vmag 4.61 VarFlag R Vmag G
RAdeg 4.27307 DEdeg 38.6817 AstroRef Plx 12.88
CCDM N CCDM Nsys Ncomp 1
MultFlag X Source Qual M HIP
Theta Rho HD 1280 BD BD+37 34
CD CP Dm number +37 34 VIred 0.07
SpType A2V R SpType Coord arcsec 2000 001705.54+384054.0
Hipparcos 2
HIP 1366 Sn 1 So 2 Nc 1
RArad 0.0745790627 DErad 0.67512266 Plx 10.56 PmRA -49.35
PmDE -17.65 E RArad 0.71 E DErad 0.49 E Plx 0.96
E pmRA 0.82 E pmDE 0.52 Hpmag 4.6349 E Hpmag 0.0004
SHp 0.003 VA 0 BV 0.059 E BV 0.003
VI 0.07
CCDM
Ccdm 00171+3841 RComp Comp A Note1
Note2 Discov num DRAs -0.51 DDEs -6.4
R dRAs 81 Year Theta Rho
Obs 2 Vmag 4.6 Sp A2 PmNote @
PmRA -51 PmDE -19 Dm number +37 34 Cat1 BD
Name2 +38 20 Cat2 AGK2/3 HD 1280 M HD
ADS BDS M ADS BDS N N IDS W IDS 00171+3841A
HIC 1366
 
 
00171+3841 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 001705.54+384054.0 Calc delta mag 4.61 Calc coord yes
CCDM
Ccdm 00171+3841 RComp Comp B Note1
Note2 Discov num CHR 123 DRAs DDEs
R dRAs Year 1986 Theta 144 Rho 0.1
Obs 3 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS W IDS 00171+3841B
HIC 1366