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Current system
00321-1813
B 1910
HD 2894


Nearby doubles
21' : 00325-1753
SKF 224

27' : 00338-1822
UC 392

32' : 00306-1837
BVD 12

35' : 00307-1746
GWP 56

43' : 00290-1817
HJ 1974

47' : 00334-1856
CVR1046

48' : 00292-1750
HU 1203

48' : 00353-1825
HDS 78

51' : 00309-1725
RST4148

58' : 00313-1909
B 6

64' : 00354-1731
LDS3182AB

65' : 00302-1912
GWP 55

65' : 00359-1847
TDS 22

68' : 00288-1902
ITF 157

79' : 00333-1930
HJ 1984

81' : 00336-1656
J 1436AB

82' : 00300-1657
CHM 2

85' : 00279-1914
ARA 516

92' : 00309-1643
UC 384

95' : 00256-1749
VOU 29

96' : 00327-1948
UC 388

96' : 00369-1920
CVR 338

97' : 00278-1929
DON 5

98' : 00278-1657
STN 2

100' : 00256-1849
HJ 1964

105' : 00374-1925
SLW 34



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.

00321-1813 B 1910 (HD 2894)

 
 
00h 32m 04.67s -18° 13' 18.9" P.A. 213.00 sep 0.2 mag 8.00,8.20 Sp K1/2III dist. 275.48 pc (898.62 l.y.)
 
 
Coord 2000 00321-1813 Discov num B  1910 Comp Coord arcsec 2000 00 32 04.67 -18 13 18.9
Date first 1932 Date last 2023 Obs 19
Pa first 214 Pa last 212.9 P.A. Now (θ) 29.9°
Sep first 0.2 Sep last 0.186 Sep. Now (ρ) 0.178"
Mag pri 8.00 Mag sec 8.20 delta mag (ΔM) 0.2 Spectral class K1/2III (yellow-orange)
Pri motion ra +041 Sec motion ra
Pri motion dec -021 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 2894 Constellation Cetus SAO 147325 HIP 2757
Tycho2 5847-00767-1 Gaia DR2 2364164133904340224 HD 2894 GC 631
BD BD-19 74 CD CD-47 161 CP CP-47 60 Distance 275.48
Distance ly 898.62
 
 
ORBITAL ELEMENTS
 
 
Period (P)86.37y± 3.25 Periastron (T)1992y± 0.33 Semi-major axis (a)0.137a± 0.005
Eccentricity (e)0.593± 0.02 Inclination (i)36.6°± 4 Longitude of periastron (ω)156.7°± 9.6
Node (Ω)250.6°± 8.2 Notes ReferenceTok2022g
Equinox2000 Last observation2019 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 146.5 0.082
2001 153.6 0.087
2002 159.8 0.092
2003 165.4 0.098
2004 170.4 0.103
2005 174.9 0.109
2006 178.9 0.115
2007 182.6 0.120
2008 186.0 0.126
2009 189.0 0.131
2010 191.9 0.136
2011 194.5 0.141
2012 196.9 0.146
2013 199.2 0.151
2014 201.4 0.156
2015 203.4 0.160
2016 205.3 0.165
2017 207.1 0.169
2018 208.9 0.173
2019 210.5 0.176
2020 212.1 0.180
2021 213.7 0.183
2022 215.1 0.187
2023 216.6 0.190
2024 217.9 0.193
2025 219.3 0.195
2026 220.6 0.198
2027 221.9 0.200
2028 223.1 0.202
2029 224.3 0.204
2030 225.6 0.206
2031 226.7 0.208
2032 227.9 0.209
2033 229.0 0.210
2034 230.2 0.211
2035 231.3 0.212
2036 232.4 0.213
2037 233.6 0.213
2038 234.7 0.213
2039 235.8 0.213
2040 236.9 0.213
2041 238.0 0.213
2042 239.1 0.212
2043 240.3 0.211
2044 241.4 0.210
2045 242.6 0.209
2046 243.7 0.207
2047 244.9 0.206
2048 246.1 0.204
2049 247.3 0.202
2050 248.6 0.199


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds00321-1813a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS 00321-1813 B 1910 (HD 2894) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2022g orb - Tokovinin, A. 2022IAUDS.207....1T
Tok2022g Inf. Circ. 207, 1, 2022
 
 
DISCOVERER
 
 
discov author
B van den Bos, W.H.
TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
TOK Martinez, M., & Mondaca, E.
TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
TOK Tokovinin, A. & Briceno, C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
00321-1813 B 1910 1990 13 31 0.1 8.00 8.20 K1/2III -19 74 003204.67-181318.9
00321-1813 B 1910 2008 14 196 0.1 8.00 8.20 K1/2III -19 74 003204.67-181318.9
00321-1813 B 1910 2014 15 205 0.2 8.00 8.20 K1/2III -19 74 003204.67-181318.9
00321-1813 B 1910 2015 16 206 0.2 8.00 8.20 K1/2III -19 74 003204.67-181318.9
00321-1813 B 1910 2018 17 209 0.2 8.00 8.20 K1/2III -19 74 003204.67-181318.9
00321-1813 B 1910 2019 18 30 0.2 8.00 8.20 K1/2III -19 74 003204.67-181318.9
00321-1813 B 1910 2023 19 213 0.2 8.00 8.20 K1/2III -19 74 O 003204.67-181318.9

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

 
 
WDS 00321-1813 B 1910 (HD 2894) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00321-1813 B 1910 (HD 2894) : MEASURES
 
 
No records found.

 
 
WDS 00321-1813 (HD 2894) : VIRTUAL EYEPIECE
 
 

00321-1813 B 1910A mag 8 Sp K1/2III 00321-1813 B 1910B sep 0.2 P.A. 212.90 mag 8.2 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 00321-1813 (HD 2894) : ALADIN DSS IMAGE @ 00h 32m 04.67s -18° 13' 18.9"
 
 
 
 
WDS 00321-1813 B 1910 (HD 2894) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00321-1813 B 1910 distance=0' 00325-1753 SKF 224 distance=21' 00338-1822 UC 392 distance=27' 00306-1837 BVD 12 distance=32' 00307-1746 GWP 56 distance=35' 00290-1817 HJ 1974 distance=43' 00334-1856 CVR1046 distance=47' 00292-1750 HU 1203 distance=48' 00353-1825 HDS 78 distance=48' 00309-1725 RST4148 distance=51' 00313-1909 B 6 distance=58' 00354-1731 LDS3182AB distance=64' 00302-1912 GWP 55 distance=65' 00354-1731 LDS3182BC distance=65' 00359-1847 TDS 22 distance=65' 00288-1902 ITF 157 distance=68' 00333-1930 HJ 1984 distance=79' 00336-1656 J 1436AB distance=81' 00336-1656 J 1436AC distance=81' 00300-1657 CHM 2 distance=82' 00279-1914 ARA 516 distance=85' 00309-1643 UC 384 distance=92' 00256-1749 VOU 29 distance=95' 00327-1948 UC 388 distance=96' 00369-1920 CVR 338 distance=96' 00278-1929 DON 5 distance=97' 00278-1657 STN 2 distance=98' 00256-1849 HJ 1964 distance=100' 00374-1925 SLW 34 distance=105' 00266-1924 ARA 515 distance=105' 00251-1721 CBL 573 distance=114' 00320-2013 DON 6 distance=120' 00389-1704 ARA 139 distance=120' 00319-1610 SKF 112 distance=123' 00263-1948 CVR 320 distance=125' 00234-1831 LDS3161 distance=126' 00277-1625 YR 1Aa,Ab distance=126' 00277-1625 HJ 1968AB distance=126' 00277-1625 BU 1343AC distance=126' 00289-1615 SLW 23 distance=128' 00407-1736 LDS5289 distance=129' 00284-2020 B 1909 distance=138' 00345-2030 LDS2136 distance=140' 00304-1555 SKF2142 distance=141' 00385-2003 BRT 295 distance=143' 00298-1552 GWP 54 distance=146' 00307-1545 HJ 1979 distance=151' 00225-1707 HU 406Ba,Bb distance=152' 00273-1557 CVR1045 distance=153' 00345-2042 SLW 31 distance=153' 00347-2043 UC 396 distance=155' 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 00321-1813 B 1910 213 0.2 0
Show 00325-1753 SKF 224 59 4.4 21
Show 00338-1822 UC 392 230 132.5 27
Show 00306-1837 BVD 12 314 143.7 32
Show 00307-1746 GWP 56 227 54.8 35
Show 00290-1817 HJ 1974 159 23.9 43
Show 00334-1856 CVR1046 290 4.9 47
Show 00292-1750 HU 1203 193 2.0 48
Show 00353-1825 HDS 78 269 1.3 48
Show 00309-1725 RST4148 356 2.2 51
Show 00313-1909 B 6 265 0.2 58
Show 00354-1731 LDS3182 AB 52 7.8 64
Show 00302-1912 GWP 55 299 24.3 65
Show 00354-1731 LDS3182 BC 181 273.2 65
Show 00359-1847 TDS 22 185 1.2 65
Show 00288-1902 ITF 157 268 4.3 68
Show 00333-1930 HJ 1984 29 17.1 79
Show 00336-1656 J 1436 AB 111 6.2 81
Show 00336-1656 J 1436 AC 74 24.9 81
Show 00300-1657 CHM 2 146 31.5 82
Show 00279-1914 ARA 516 262 10.1 85
Show 00309-1643 UC 384 317 32.4 92
Show 00256-1749 VOU 29 257 0.8 95
Show 00327-1948 UC 388 64 21.6 96
Show 00369-1920 CVR 338 111 12.4 96
Show 00278-1929 DON 5 344 0.5 97
Show 00278-1657 STN 2 273 6.0 98
Show 00256-1849 HJ 1964 116 6.6 100
Show 00374-1925 SLW 34 153 177.0 105
Show 00266-1924 ARA 515 337 16.1 105
Show 00251-1721 CBL 573 274 8.3 114
Show 00320-2013 DON 6 220 3.3 120
Show 00389-1704 ARA 139 123 15.9 120
Show 00319-1610 SKF 112 357 3.9 123
Show 00263-1948 CVR 320 280 13.9 125
Show 00234-1831 LDS3161 148 9.0 126
Show 00277-1625 YR 1 Aa,Ab 340 0.1 126
Show 00277-1625 HJ 1968 AB 234 37.0 126
Show 00277-1625 BU 1343 AC 135 77.1 126
Show 00289-1615 SLW 23 172 173.0 128
Show 00407-1736 LDS5289 98 219.5 129
Show 00284-2020 B 1909 321 0.1 138
Show 00345-2030 LDS2136 186 209.2 140
Show 00304-1555 SKF2142 143 20.9 141
Show 00385-2003 BRT 295 270 3.7 143
Show 00298-1552 GWP 54 240 6.5 146
Show 00307-1545 HJ 1979 66 7.3 151
Show 00225-1707 HU 406 Ba,Bb 272 1.2 152
Show 00273-1557 CVR1045 78 4.4 153
Show 00345-2042 SLW 31 271 13.0 153
Show 00347-2043 UC 396 102 34.5 155

 
 
WDS 00321-1813 : COMPONENTS
 
 
  A
B pa=212.9°
sep=0.19"
 
 
00321-1813 A
 
 
Name HD 2894 Coord arcsec 2000 003204.67-181318.9 Mag 8 Spectral class K1/2III (yellow-orange)
PmRA 41.00 PmDE -21.0 SAO 147325 HIP 2527
Tycho2 5847-00767-1 HD 2894 GC 631 BD BD-19 74
Tycho2
Tycho2 5847-00767-1 Pflag RAmdeg 8.01954776 DEmdeg -18.22198847
PmRA 34.2 PmDE -23.4 E RAmdeg 5 E DEmdeg 5
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.31 EpDEm 1991.19
Num 10 Q RAmdeg 1.0 Q DEmdeg 1.4 Q pmRA 1.0
Q pmDE 1.4 BTmag 8.670 E BTmag 0.017 VTmag 7.200
E VTmag 0.010 Prox 999 TYC T HIP 2527
CCDM RAdeg 8.01946417 DEdeg -18.22193389 EpRA 1990 1.64
EpDE 1990 1.57 E RAdeg 4.5 E DEdeg 5.0 Posflg
Corr -0.3
SAO
SAO 147325 DelFlag RA1950 PmRA1950 0.0033
DE1950 PmDE1950 -0.026 Vmag 7.3 SpType K0
Double code Source 70 CatNum 631 DM BD-19 74
DMcomp BDsup HD 2894 M HD 0
GC 631 RA1950rad 0.12899627 DE1950rad -0.32284528 PmRA2000 0.0035
PmDE2000 -0.03
Hipparcos
Catalog H HIP 2527 Proxy RAhms 00 32 04.67
DEdms -18 13 18.9 Vmag 7.07 VarFlag R Vmag H
RAdeg 8.01946 DEdeg -18.2219 AstroRef Plx 5.22
CCDM 38.19 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD-19 74
CD CP Dm number -19 74 VIred 1.16
SpType K1/K2III R SpType Coord arcsec 2000 003204.67-181318.9
Hipparcos 2
HIP 2527 Sn 5 So 0 Nc 1
RArad 0.1399660259 DErad -0.3180326744 Plx 5.45 PmRA 37.74
PmDE -25.17 E RArad 0.45 E DErad 0.36 E Plx 0.65
E pmRA 0.81 E pmDE 0.44 Hpmag E Hpmag 0.0009
SHp 0.009 VA 0 BV 1.245 E BV 0.01
VI 1.2
CCDM
Ccdm 00321-1813 RComp Comp A Note1
Note2 Discov num DRAs -1.23 DDEs -19.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp K0 PmNote *
PmRA 47 PmDE -26 Dm number -19 74 Cat1 BD
Name2 147325 Cat2 SAO HD 2894 M HD
ADS BDS M ADS BDS N IDS IDS 00270S1846A
HIC 2527
 
 
00321-1813 B
 
 
Coord arcsec 2000 003204.66-181319.1 Mag 8.2 Delta magnitude 0.2 Coordinate calculated yes
CCDM
Ccdm 00321-1813 RComp Comp B Note1
Note2 Discov num B 1910 DRAs DDEs
R dRAs Year 1959 Theta 235 Rho 0.2
Obs 9 Vmag 8.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 00270S1846B
HIC 2527