00028+0208 BU 281 AB (HD 225028)

 
 
00h 02m 47.14s +02° 07' 49.4" P.A. 159.00 sep 1.6 mag 7.40,9.36 Sp F2V dist. 42.63 pc (139.06 l.y.)
 
 
Coord 2000 00028+0208 Discov num BU  281 Comp AB Coord arcsec 2000 00 02 47.14 +02 07 49.4
Date first 1877 Date last 2017 Obs 71
Pa first 217 Pa last 159.4 P.A. Now (θ) 159.4°
Sep first 1.1 Sep last 1.585 Sep. Now (ρ) 1.585"
Mag pri 7.40 Mag sec 9.36 delta mag (ΔM) 1.96 Spectral class F2V (yellow-white)
Pri motion ra +062 Sec motion ra +062
Pri motion dec -094 Sec motion dec -094
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
00028+0208 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 225028 108983 00 02 47 +02 07 49 BU 281 AB 2017 71 159 1.6 7.40 9.36 1.96 Y <===
Show 108983 00 02 47 +02 07 49 HJ 998 AC 2016 20 329 46.3 7.40 12.38 4.98
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 225028 Constellation Pisces SAO 108983 HIP 223
Tycho2 0001-00903-1 Gaia DR2 2739059700184753280 HD 225028 ADS 9
BD BD+01 4820 Distance 42.63 Distance ly 139.06
 
 
ORBITAL ELEMENTS
 
 
Period (P)1117y Periastron (T)2077.5y Semi-major axis (a)3.14a
Eccentricity (e)0.639 Inclination (i)108.5° Longitude of periastron (ω)55.7°
Node (Ω)149.9° Notesn ReferenceLin2015a
Equinox2000 Last observation2014 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 164.9 1.572
2001 164.6 1.573
2002 164.3 1.573
2003 164.0 1.573
2004 163.6 1.573
2005 163.3 1.573
2006 163.0 1.573
2007 162.7 1.572
2008 162.4 1.571
2009 162.1 1.570
2010 161.8 1.569
2011 161.4 1.568
2012 161.1 1.566
2013 160.8 1.564
2014 160.5 1.562
2015 160.2 1.560
2016 159.9 1.558
2017 159.5 1.555
2018 159.2 1.552
2019 158.9 1.549
2020 158.6 1.546
2021 158.2 1.542
2022 157.9 1.538
2023 157.6 1.534
2024 157.3 1.529
2025 156.9 1.524
2026 156.6 1.519
2027 156.2 1.514
2028 155.9 1.508
2029 155.6 1.502
2030 155.2 1.496


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



 
 


wds00028%2B0208a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 00028+0208 BU 281 AB (HD 225028) : NOTES
 
 
discov_num notes refcode
HJ 998 AC: Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
AC: Rectilinear solution by Friedman et al. (2012). USN2012a
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
Lin2015a orb - Ling, J.F. 2015IAUDS.187....1L
Lin2015a Inf. Circ. 187, 1, 2015
USN2012a lin - Friedman, E.A., Mason, B.D., & Hartkopf, W.I. 2012IAUDS.176....1F
USN2012a Inf. Circ. 176, 1, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00028+0208 BU 281 AB 2006 59 163 1.6 7.40 9.36 F2V D 000247.14+020749.4
00028+0208 BU 281 AB 2008 64 163 1.6 7.40 9.36 F2V D 000247.14+020749.4
00028+0208 BU 281 AB 2012 65 162 1.6 7.40 9.36 F2V N D 000247.14+020749.4
00028+0208 BU 281 AB 2014 67 160 1.6 7.40 9.36 F2V NU 000247.14+020749.4
00028+0208 BU 281 AB 2015 68 160 1.6 7.40 9.36 F2V NO 000247.14+020749.4
00028+0208 BU 281 AB 2017 69 159 1.6 7.40 9.36 F2V NO 000247.14+020749.4

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

 
 
WDS 00028+0208 BU 281 AB (HD 225028) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00028+0208 BU 281 AB (HD 225028) : MEASURES
 
 
No records found.

 
 
WDS 00028+0208 (HD 225028) : VIRTUAL EYEPIECE
 
 

00028+0208 BU  281A mag 7.4 Sp F2V 00028+0208 BU  281B sep 1.6 P.A. 159.40 mag 9.36 00028+0208 HJ  998C sep 46.3 P.A. 329.20 mag 12.38 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 00028+0208 (HD 225028) : ALADIN DSS IMAGE @ 00h 02m 47.14s +02° 07' 49.4"
 
 
 
 
WDS 00028+0208 BU 281 AB (HD 225028) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


00028+0208  BU  281AB distance=0' 00017+0147  GRV   1 distance=27' 00052+0204  J  1801 distance=35' 00002+0146  WEI  45 distance=45' 00024+0114  SKF1597 distance=55' 00065+0155  HJ 1000AB distance=57' 00035-0058  WAA  56 distance=71' 00030-0054  HJ  999 distance=75' 00070+0303  GWP  14 distance=84' 00069+0303  SKF1193 distance=84' 00079+0244  KPP  48 distance=86' 00016-0045  SHN  45 distance=86' 00045+0045  GWP  10 distance=87' 00045-0045  WAA  58 distance=87' 00030+0341  CVR 302 distance=94' 00067-0054  GWP  13 distance=95' 00055+0041  SKF1066 distance=96' 00042+0031  SKF1813 distance=100' 00079+0317  J   301 distance=104' 00096+0148  GWP  22 distance=105' 00013+0351  LDS5154 distance=106' 00084-0056  WAA  65 distance=111' 00079+0047  BAL 942 distance=112' 00001+0022  SKF1060 distance=114' 00002-0021  ITF  44 distance=115' 00084-0046  SLE 248 distance=118' 00007+0013  RST5178 distance=119' 00081+0040  HJ 5533 distance=120' 00002+0014  SKF1061 distance=121' 00021+0408  KPP3126 distance=121' 00065-0018  WAA  61 distance=124' 00077+0348  TDS1305AB distance=125' 00025+0003  WAA  55AB distance=126' 00025+0003  WAA  55AC distance=126' 00089+0042  HDS  18 distance=126' 00012-0005  TOK 359 distance=126' 00078-0023  WAA  62 distance=130' 00080-0019  ITF 239 distance=135' 00098-0042  WAA  66 distance=137' 00112+0116  HJ  617 distance=137' 00121+0203  CVR 307 distance=139' 00085-0018  SLE 249 distance=140' 00110+0058  SKF1821 distance=143' 00106+0047  BAL 943 distance=143' 00076+0421  GRV   7 distance=152' 00068+0427  BU 1155 distance=153' 00117+0323  FMR  29 distance=154' 00092+0004  OCC 124 distance=157' 00134+0226  TDS   7 distance=161' 00130+0257  A  2001 distance=161' 00049+0451  NSC   1 distance=167' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 00028+0208 BU 281 AB 159 1.6
Show 00028+0208 HJ 998 AC 329 46.3
Show 00017+0147 GRV 1 350 73.3 27
Show 00052+0204 J 1801 52 2.7 35
Show 00002+0146 WEI 45 83 1.8 45
Show 00024+0114 SKF1597 34 3.0 55
Show 00065+0155 HJ 1000 AB 205 7.3 57
Show 00035-0058 WAA 56 148 4.9 71
Show 00030-0054 HJ 999 76 26.0 75
Show 00070+0303 GWP 14 136 10.3 84
Show 00069+0303 SKF1193 61 4.2 84
Show 00079+0244 KPP 48 126 4.9 86
Show 00016-0045 SHN 45 -1 0.2 86
Show 00045+0045 GWP 10 35 20.3 87
Show 00045-0045 WAA 58 15 2.6 87
Show 00030+0341 CVR 302 205 13.2 94
Show 00067-0054 GWP 13 91 81.6 95
Show 00055+0041 SKF1066 315 2.6 96
Show 00042+0031 SKF1813 154 1.8 100
Show 00079+0317 J 301 180 4.4 104
Show 00096+0148 GWP 22 9 10.9 105
Show 00013+0351 LDS5154 94 163.7 106
Show 00084-0056 WAA 65 37 3.9 111
Show 00079+0047 BAL 942 299 7.2 112
Show 00001+0022 SKF1060 184 2.2 114
Show 00002-0021 ITF 44 31 3.9 115
Show 00084-0046 SLE 248 162 14.3 118
Show 00007+0013 RST5178 338 2.4 119
Show 00081+0040 HJ 5533 73 26.4 120
Show 00002+0014 SKF1061 173 1.4 121
Show 00021+0408 KPP3126 62 1.9 121
Show 00065-0018 WAA 61 339 1.3 124
Show 00077+0348 TDS1305 AB 61 0.5 125
Show 00025+0003 WAA 55 AB 209 1.4 126
Show 00025+0003 WAA 55 AC 190 4.1 126
Show 00089+0042 HDS 18 152 0.3 126
Show 00012-0005 TOK 359 72 0.3 126
Show 00078-0023 WAA 62 347 2.5 130
Show 00080-0019 ITF 239 91 4.5 135
Show 00098-0042 WAA 66 337 4.7 137
Show 00112+0116 HJ 617 61 13.1 137
Show 00121+0203 CVR 307 78 22.8 139
Show 00085-0018 SLE 249 279 12.5 140
Show 00110+0058 SKF1821 13 1.8 143
Show 00106+0047 BAL 943 279 4.3 143
Show 00076+0421 GRV 7 230 37.4 152
Show 00068+0427 BU 1155 76 0.7 153
Show 00117+0323 FMR 29 9 6.8 154
Show 00092+0004 OCC 124 -1 0.1 157
Show 00134+0226 TDS 7 37 1.7 161
Show 00130+0257 A 2001 150 0.3 161

 
 
WDS 00028+0208 : COMPONENTS
 
 
  A B
B pa=159.4°
sep=1.58"
 
C pa=329.2°
sep=46.29"
pa=329.6°
sep=47.85"
 
 
00028+0208 A
 
 
Name HD 225028 Coord arcsec 2000 000247.14+020749.4 Mag 7.4 Spectral class F2V (yellow-white)
PmRA 62.00 PmDE -94.0 SAO 108983 HIP 223
Tycho2 0001-00903-1 HD 225028 BD BD+01 4820
Tycho2
Tycho2 0001-00903-1 Pflag P RAmdeg 0.69657083 DEmdeg 2.13012782
PmRA 62.2 PmDE -93.7 E RAmdeg 4 E DEmdeg 6
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.69 EpDEm 1991.26
Num 5 Q RAmdeg 0.5 Q DEmdeg 1.0 Q pmRA 0.5
Q pmDE 1.1 BTmag 8.025 E BTmag 0.016 VTmag 7.399
E VTmag 0.011 Prox 16 TYC T HIP 223
CCDM A RAdeg 0.69642389 DEdeg 2.13037306 EpRA 1990 1.79
EpDE 1990 1.51 E RAdeg 4.4 E DEdeg 5.8 Posflg D
Corr -0.1
SAO
SAO 108983 DelFlag RA1950 PmRA1950 0.0047
DE1950 PmDE1950 -0.097 Vmag 7.4 SpType G0
Double code Source 30 CatNum 8232 DM BD+01 4820
DMcomp BDsup HD 225028 M HD 0
GC RA1950rad 0.00095984 DE1950rad 0.03233992 PmRA2000 0.0049
PmDE2000 -0.103
Hipparcos
Catalog H HIP 223 Proxy H RAhms 00 02 47.14
DEdms +02 07 49.4 Vmag 7.17 VarFlag R Vmag G
RAdeg 0.696411 DEdeg 2.13038 AstroRef A Plx 21.58
CCDM 00028+0208 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 168 Rho 1.547 HD 225028 BD BD+01 4820
CD CP Dm number +01 4820 VIred 0.69
SpType G0 R SpType Coord arcsec 2000 000247.14+020749.4
Hipparcos 2
HIP 223 Sn 15 So 3 Nc 2
RArad 0.0121546688 DErad 0.0371820819 Plx 23.46 PmRA 60.57
PmDE -92.06 E RArad 0.87 E DErad 0.48 E Plx 0.91
E pmRA 1.4 E pmDE 0.56 Hpmag 7.2894 E Hpmag 0.0018
SHp 0.012 VA 0 BV 0.617 E BV 0.015
VI 0.69
CCDM
Ccdm 00028+0208 RComp Comp A Note1
Note2 Discov num DRAs -0.80 DDEs -13.2
R dRAs 65 Year Theta Rho
Obs 3 Vmag 7.8 Sp G0 PmNote *
PmRA 54 PmDE -92 Dm number +01 4820 Cat1 BD
Name2 +01 1 Cat2 AGK2/3 HD 225028 M HD
ADS BDS A 9 M ADS BDS N IDS IDS 23576N0135A
HIC 223
 
 
00028+0208 B
 
 
Coord arcsec 2000 000247.18+020747.9 Mag 9.36 PmRA 62.00 PmDE -94.0
Tycho2 0001-00903-2 Calc delta mag 1.96 Calc coord yes
Tycho2
Tycho2 0001-00903-2 Pflag P RAmdeg 0.69657083 DEmdeg 2.13012782
PmRA 62.2 PmDE -93.7 E RAmdeg 4 E DEmdeg 6
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.69 EpDEm 1991.26
Num 5 Q RAmdeg 0.5 Q DEmdeg 1.0 Q pmRA 0.5
Q pmDE 1.1 BTmag 10.405 E BTmag 0.043 VTmag 9.360
E VTmag 0.025 Prox 16 TYC HIP 223
CCDM B RAdeg 0.69651194 DEdeg 2.12994583 EpRA 1990 1.78
EpDE 1990 1.53 E RAdeg 16.0 E DEdeg 23.6 Posflg D
Corr 0.0
CCDM
Ccdm 00028+0208 RComp Comp B Note1
Note2 Discov num BU 281 DRAs DDEs
R dRAs Year 1959 Theta 179 Rho 1.5
Obs 99 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9 M ADS BDS N IDS IDS 23576N0135B
HIC 223
 
 
00028+0208 C
 
 
Coord arcsec 2000 000245.56+020829.2 Mag 12.38 PmRA -14.00 PmDE -7.0
Calc delta mag 4.98 Calc coord yes
CCDM
Ccdm 00028+0208 RComp Comp C Note1
Note2 Discov num HJ 998 DRAs -2.30 DDEs 26.4
R dRAs 65 Year 1922 Theta 332 Rho 35.0
Obs 9 Vmag 11.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 9 M ADS BDS N IDS IDS 23576N0135C
HIC