00203-3246 B 1025 (HD 1620)

 
 
00h 20m 18.56s -32° 46' 09.5" P.A. 178.00 sep 0.6 mag 8.83,10.64 Sp G6V dist. 53.3 pc (173.86 l.y.)
 
 
Coord 2000 00203-3246 Discov num B  1025 Comp Coord arcsec 2000 00 20 18.56 -32 46 09.5
Date first 1928 Date last 2019 Obs 9
Pa first 163 Pa last 177.5 P.A. Now (θ) 177.5°
Sep first 0.4 Sep last 0.582 Sep. Now (ρ) 0.582"
Mag pri 8.83 Mag sec 10.64 delta mag (ΔM) 1.81 Spectral class G6V (yellow)
Pri motion ra +260 Sec motion ra
Pri motion dec -087 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 1620 Constellation Sculptor SAO 192468 HIP 1625
Tycho2 6993-00130-1 Gaia DR2 2316176498665292544 HD 1620 CD CD-33 95
CP CP-33 33 Distance 53.3 Distance ly 173.86
 
 
ORBITAL ELEMENTS
 
 
Period (P)126.11y Periastron (T)1920.97y Semi-major axis (a)0.609a
Eccentricity (e)0.544 Inclination (i)109.1° Longitude of periastron (ω)283.5°
Node (Ω)167.2° Notesn ReferenceHrt2012a
Equinox2000 Last observation2010 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 16.7 0.516
2001 15.6 0.524
2002 14.5 0.532
2003 13.5 0.540
2004 12.6 0.547
2005 11.6 0.555
2006 10.7 0.561
2007 9.8 0.568
2008 8.9 0.574
2009 8.0 0.580
2010 7.1 0.585
2011 6.3 0.590
2012 5.5 0.594
2013 4.6 0.598
2014 3.8 0.601
2015 3.0 0.604
2016 2.2 0.606
2017 1.4 0.607
2018 0.7 0.608
2019 359.9 0.608
2020 359.1 0.607
2021 358.3 0.605
2022 357.5 0.603
2023 356.7 0.599
2024 355.9 0.594
2025 355.0 0.589
2026 354.2 0.582
2027 353.3 0.574
2028 352.4 0.564
2029 351.5 0.553
2030 350.5 0.540


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


 
  


wds00203-3246a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 00203-3246 B 1025 (HD 1620) : NOTES
 
 
discov_num notes refcode
B 1025 Considerable motion, but no measures for more than 30 years.
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2012a orb - Hartkopf, W.I., Tokovinin, A., & Mason, B.D. 2012AJ....143...42H
Hrt2012a +lin AJ 143, 42, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 B van den Bos, W.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00203-3246 B 1025 1991 6 210 0.5 8.83 10.64 G6V N D 002018.38-324608.9
00203-3246 B 1025 2010 8 186 0.6 8.83 10.64 G6V N D 002018.38-324608.9
00203-3246 B 1025 2019 9 178 0.6 8.83 10.64 G6V NO 002018.56-324609.5

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

 
 
WDS 00203-3246 B 1025 (HD 1620) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00203-3246 B 1025 (HD 1620) : MEASURES
 
 
No records found.

 
 
WDS 00203-3246 (HD 1620) : VIRTUAL EYEPIECE
 
 

00203-3246 B 1025A mag 8.83 Sp G6V 00203-3246 B 1025B sep 0.6 P.A. 177.90 mag 10.64 virtual eyepiece
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Radius:
Components only
 
 
WDS 00203-3246 (HD 1620) : ALADIN DSS IMAGE @ 00h 20m 18.56s -32° 46' 09.5"
 
 
 
 
WDS 00203-3246 B 1025 (HD 1620) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00203-3246 B 1025 distance=0' 00216-3303 B 1026A,BC distance=24' 00216-3303 B 1026BC distance=24' 00210-3219 BRT1578 distance=29' 00193-3219 LDS2114 distance=31' 00176-3250 CLZ 3 distance=34' 00247-3320 COO 1 distance=65' 00154-3219 LDS 7 distance=67' 00250-3318 KPP1784 distance=67' 00217-3141 TDS1418AB distance=68' 00193-3355 RST2239 distance=70' 00166-3150 LDS2109 distance=73' 00257-3320 RST2244 distance=76' 00142-3259 UC 341 distance=78' 00149-3209 B 1024 distance=78' 00144-3314 KPP2668 distance=79' 00268-3220 LDS2121 distance=87' 00137-3224 LDS5265 distance=89' 00133-3242 TDS1347 distance=89' 00161-3127 LDS2106 distance=96' 00279-3235 LDS 18 distance=96' 00259-3141 UC 364 distance=97' 00264-3347 KPP 999 distance=98' 00226-3111 NSN 43Ba,Bb distance=100' 00226-3111 LDS 14AB distance=101' 00125-3219 B 1023 distance=103' 00128-3329 CBL 564 distance=104' 00276-3157 I 438BC distance=105' 00276-3157 HJ 3367AB distance=105' 00271-3349 UC 369 distance=106' 00287-3246 SEE 7 distance=106' 00177-3428 LDS3148 distance=108' 00288-3213 TDS1483 distance=113' 00292-3228 LDS 19 distance=115' 00259-3112 HDS 58 distance=119' 00289-3350 JSP 5 distance=125' 00264-3108 B 638 distance=125' 00299-3216 B 639 distance=126' 00209-3040 SKF1259 distance=127' 00103-3227 LDS2097 distance=128' 00123-3128 PRO 1 distance=128' 00161-3048 LDS2105 distance=130' 00311-3238 B 2553 distance=136' 00096-3229 KPP1257 distance=137' 00293-3406 SKF1260 distance=138' 00257-3450 SEE 5 distance=141' 00094-3321 TDS1322 distance=143' 00098-3347 SEE 3 distance=145' 00194-3022 BRT2842 distance=145' 00280-3051 UC 375 distance=151' 00083-3242 RST2233 distance=152' 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 00203-3246 B 1025 178 0.6
Show 00216-3303 B 1026 A,BC 185 3.2 24
Show 00216-3303 B 1026 BC 303 0.3 24
Show 00210-3219 BRT1578 286 2.2 29
Show 00193-3219 LDS2114 102 12.4 31
Show 00176-3250 CLZ 3 181 13.5 34
Show 00247-3320 COO 1 120 3.3 65
Show 00154-3219 LDS 7 144 13.1 67
Show 00250-3318 KPP1784 82 13.8 67
Show 00217-3141 TDS1418 AB 246 0.8 68
Show 00193-3355 RST2239 44 1.5 70
Show 00166-3150 LDS2109 183 139.7 73
Show 00257-3320 RST2244 257 4.5 76
Show 00142-3259 UC 341 132 49.9 78
Show 00149-3209 B 1024 60 0.3 78
Show 00144-3314 KPP2668 286 4.0 79
Show 00268-3220 LDS2121 292 51.5 87
Show 00137-3224 LDS5265 111 3.0 89
Show 00133-3242 TDS1347 2 0.7 89
Show 00161-3127 LDS2106 192 63.4 96
Show 00279-3235 LDS 18 175 17.9 96
Show 00259-3141 UC 364 63 21.4 97
Show 00264-3347 KPP 999 300 8.1 98
Show 00226-3111 NSN 43 Ba,Bb 41 1.4 100
Show 00226-3111 LDS 14 AB 270 54.1 101
Show 00125-3219 B 1023 164 0.3 103
Show 00128-3329 CBL 564 358 19.1 104
Show 00276-3157 I 438 BC 242 8.8 105
Show 00276-3157 HJ 3367 AB 179 5.3 105
Show 00271-3349 UC 369 106 39.8 106
Show 00287-3246 SEE 7 199 9.4 106
Show 00177-3428 LDS3148 28.8 108
Show 00288-3213 TDS1483 179 2.7 113
Show 00292-3228 LDS 19 149 19.3 115
Show 00259-3112 HDS 58 357 0.2 119
Show 00289-3350 JSP 5 303 1.9 125
Show 00264-3108 B 638 110 3.5 125
Show 00299-3216 B 639 331 2.9 126
Show 00209-3040 SKF1259 127 17.8 127
Show 00103-3227 LDS2097 348 11.3 128
Show 00123-3128 PRO 1 178 16.7 128
Show 00161-3048 LDS2105 30 40.5 130
Show 00311-3238 B 2553 359 11.2 136
Show 00096-3229 KPP1257 192 9.6 137
Show 00293-3406 SKF1260 118 5.6 138
Show 00257-3450 SEE 5 74 4.0 141
Show 00094-3321 TDS1322 278 9.5 143
Show 00098-3347 SEE 3 124 0.9 145
Show 00194-3022 BRT2842 152 3.9 145
Show 00280-3051 UC 375 336 39.8 151
Show 00083-3242 RST2233 219 1.0 152

 
 
WDS 00203-3246 : COMPONENTS
 
 
  A
B pa=177.9°
sep=0.58"
 
 
00203-3246 A
 
 
Componente originario normalizzato AB Name HD 1620 Coord arcsec 2000 002018.56-324609.5 Mag 8.83
Spectral class G6V (yellow) PmRA 260.00 PmDE -87.0 SAO 192468
HIP 1625 Tycho2 6993-00130-1 HD 1620 CD CD-33 95
CP CP-33 33
Tycho2
Tycho2 6993-00130-1 Pflag RAmdeg 5.07732285 DEmdeg -32.76934636
PmRA 260.3 PmDE -82.2 E RAmdeg 8 E DEmdeg 9
E pmRA 1.6 E pmDE 1.3 EpRAm 1991.09 EpDEm 1990.40
Num 12 Q RAmdeg 1.5 Q DEmdeg 0.9 Q pmRA 1.4
Q pmDE 0.9 BTmag 9.410 E BTmag 0.020 VTmag 8.619
E VTmag 0.014 Prox 999 TYC T HIP 1625
CCDM AB RAdeg 5.07660806 DEdeg -32.76915861 EpRA 1990 1.69
EpDE 1990 1.77 E RAdeg 8.3 E DEdeg 8.5 Posflg P
Corr 0.0
SAO
SAO 192468 DelFlag RA1950 PmRA1950 0.0196
DE1950 PmDE1950 -0.074 Vmag 8.5 SpType G5
Double code Source 40 CatNum 118 DM CD-33 95
DMcomp BDsup HD 1620 M HD 0
GC RA1950rad 0.07761747 DE1950rad -0.57675381 PmRA2000 0.0197
PmDE2000 -0.079
Hipparcos
Catalog H HIP 1625 Proxy H RAhms 00 20 18.38
DEdms -32 46 08.9 Vmag 8.5 VarFlag R Vmag H
RAdeg 5.07659 DEdeg -32.7691 AstroRef A Plx 19.39
CCDM 00203-3246 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 210 Rho 0.485 HD 1620 BD
CD CD-33 95 CP CP-33 33 Dm number -33 95 VIred 0.77
SpType G6V R SpType Coord arcsec 2000 002018.38-324608.9
Hipparcos 2
HIP 1625 Sn 15 So 3 Nc 2
RArad 0.0886031198 DErad -0.5719291994 Plx 18.76 PmRA 253.81
PmDE -83.64 E RArad 0.7 E DErad 0.89 E Plx 0.98
E pmRA 1.06 E pmDE 1.27 Hpmag 8.6424 E Hpmag 0.0018
SHp 0.012 VA 0 BV 0.714 E BV 0.003
VI 0.77
CCDM
Ccdm 00203-3246 RComp Comp A Note1
Note2 Discov num DRAs 0.48 DDEs -10.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.8 Sp G5 PmNote *
PmRA 245 PmDE -89 Dm number -33 95 Cat1 CD
Name2 192468 Cat2 SAO HD 1620 M HD
ADS BDS M ADS BDS N IDS IDS 00153S3319A
HIC 1625
 
 
00203-3246 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 002018.56-324610.1 Mag 10.64 Calc delta mag 1.81
Calc coord yes
CCDM
Ccdm 00203-3246 RComp Comp B Note1
Note2 Discov num B 1025 DRAs DDEs
R dRAs Year 1932 Theta 150 Rho 0.3
Obs 2 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 00153S3319B
HIC 1625