00310-1005 BU 1158 BC

 
 
00h 31m 05.23s -10° 05' 01.9" P.A. 324.00 sep 0.5 mag 9.69,9.09 Sp G1V dist. 80 pc (260.96 l.y.)
 
 
Coord 2000 00310-1005 Discov num BU 1158 Comp BC Coord arcsec 2000 00 31 05.23 -10 05 01.9
Date first 1890 Date last 2017 Obs 36
Pa first 138 Pa last 323.6 P.A. Now (θ) 323.6°
Sep first 0.3 Sep last 0.465 Sep. Now (ρ) 0.465"
Mag pri 9.69 Mag sec 9.09 delta mag (ΔM) 0.6 Spectral class G1V (yellow)
Pri motion ra -025 Sec motion ra
Pri motion dec -037 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
00310-1005 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 2760 147317 00 30 60 -10 05 05 HJ 1981 A,BC 2015 27 89 78.4 6.91 8.43 1.52
Show 147318 00 31 05 -10 05 02 BU 1158 BC 2017 36 324 0.5 9.69 9.09 0.60 Y <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cetus SAO 147318 HIP 2444 Tycho2 5269-02011-1
Gaia DR2 2426456862096115584 HD 2761 GC 610 ADS 426
BD BD-10 90 Distance 80 Distance ly 260.96
 
 
ORBITAL ELEMENTS
 
 
Period (P)423.4y Periastron (T)1939.8y Semi-major axis (a)0.897a
Eccentricity (e)0.359 Inclination (i)74.5° Longitude of periastron (ω)10.2°
Node (Ω)169.8° Notes ReferenceDoc2019a
Equinox2000 Last observation2017 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 298.1 0.263
2001 300.5 0.273
2002 302.7 0.283
2003 304.8 0.294
2004 306.7 0.305
2005 308.4 0.316
2006 310.1 0.327
2007 311.6 0.338
2008 313.1 0.350
2009 314.4 0.361
2010 315.7 0.373
2011 316.9 0.385
2012 318.0 0.396
2013 319.1 0.408
2014 320.1 0.420
2015 321.0 0.432
2016 321.9 0.444
2017 322.7 0.456
2018 323.5 0.468
2019 324.3 0.479
2020 325.0 0.491
2021 325.7 0.503
2022 326.4 0.515
2023 327.0 0.526
2024 327.6 0.538
2025 328.2 0.550
2026 328.7 0.561
2027 329.3 0.573
2028 329.8 0.584
2029 330.3 0.595
2030 330.7 0.606


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



 
 


wds00310-1005b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 00310-1005 BU 1158 BC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Doc2019a orb - Docobo, J.A. & Ling, J.F. 2019IAUDS.197S...1D
Doc2019a Inf. Circ. 197, 1, 2019
 
 
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
00310-1005 BU 1158 BC 1991 29 263 0.2 9.69 9.09 G1V NO 003105.23-100501.9
00310-1005 BU 1158 BC 2008 31 314 0.3 9.69 9.09 G1V NO 003105.23-100501.9
00310-1005 BU 1158 BC 2011 32 318 0.4 9.69 9.09 G1V NO 003105.23-100501.9
00310-1005 BU 1158 BC 2014 33 321 0.4 9.69 9.09 G1V O 003105.23-100501.9
00310-1005 BU 1158 BC 2015 34 141 0.4 9.69 9.09 G1V O 003105.23-100501.9
00310-1005 BU 1158 BC 2017 35 324 0.5 9.69 9.09 G1V OW 003105.23-100501.9

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

 
 
WDS 00310-1005 BU 1158 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00310-1005 BU 1158 BC : MEASURES
 
 
No records found.

 
 
WDS 00310-1005 : VIRTUAL EYEPIECE
 
 

00310-1005 HJ 1981A mag 6.91 Sp A5IV 00310-1005 BU 1158B sep 78.9 P.A. 87.80 mag 9.69 Sp G1V 00310-1005 BU 1158C sep 78.7 P.A. 87.50 mag 9.09 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 00310-1005 : ALADIN DSS IMAGE @ 00h 31m 05.23s -10° 05' 01.9"
 
 
 
 
WDS 00310-1005 BU 1158 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


00310-1005  BU 1158BC distance=0' 00310-1005  HJ 1981A,BC distance=2' 00312-1016  SLW  25 distance=11' 00304-0947  CHE  27 distance=21' 00302-0947  LDS3172 distance=24' 00305-0940  UC  381 distance=27' 00331-0959  LSC   8 distance=31' 00295-1028  TOI 851 distance=33' 00290-0933  GIC  10 distance=44' 00322-1050  LDS3176 distance=48' 00282-1030  GAL 300AB distance=50' 00282-1030  RST4145Ba,Bb distance=51' 00348-1003  CVR1048 distance=55' 00300-1058  GAL 301 distance=56' 00353-0942  CHE  28 distance=67' 00350-0956  GRV 977 distance=68' 00314-1113  GAL 302AB distance=69' 00314-1113  GAL 302AC distance=69' 00275-0921  HJ 1966 distance=69' 00315-1116  HJ 1980 distance=72' 00310-0850  RST4149 distance=76' 00340-1100  GRV 976 distance=77' 00322-0850  CVR 328 distance=77' 00286-1114  RST4146 distance=79' 00261-1037  GIC   8 distance=82' 00266-0916  SLW  22 distance=83' 00306-1135  UC  382 distance=91' 00348-0853  A   433 distance=92' 00340-0843  RST4151 distance=93' 00259-0907  GWP  48 distance=97' 00245-0950  SLW  17 distance=99' 00257-1102  LDS5272 distance=99' 00245-1025  SKF1658 distance=100' 00278-1135  RST4144 distance=102' 00294-0825  BRT 531 distance=103' 00261-1123  YR    4 distance=107' 00385-1049  LDS5284 distance=117' 00334-1158  UC  390 distance=119' 00336-0811  LDS5280AB distance=120' 00336-0811  LDS5281AC distance=120' 00383-0911  UC  405 distance=120' 00321-1218  HDS  71 distance=134' 00401-0949  UC  419 distance=135' 00302-1221  RST3345 distance=137' 00399-1051  SKF 114 distance=139' 00404-1020  GWP  75 distance=140' 00271-0753  A   431AB distance=145' 00271-0753  SKF1423AB,C distance=145' 00213-0955  CBL 203 distance=146' 00291-0742  MLR   2 distance=146' 00212-1000  LDS5268 distance=148' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 00310-1005 BU 1158 BC 324 0.5
Show 00310-1005 HJ 1981 A,BC 89 78.4 2
Show 00312-1016 SLW 25 137 22.3 11
Show 00304-0947 CHE 27 224 20.9 21
Show 00302-0947 LDS3172 221 8.4 24
Show 00305-0940 UC 381 356 14.5 27
Show 00331-0959 LSC 8 18 0.3 31
Show 00295-1028 TOI 851 255 1.8 33
Show 00290-0933 GIC 10 164 47.7 44
Show 00322-1050 LDS3176 335 453.1 48
Show 00282-1030 GAL 300 AB 183 44.9 50
Show 00282-1030 RST4145 Ba,Bb 215 0.6 51
Show 00348-1003 CVR1048 40 4.2 55
Show 00300-1058 GAL 301 130 40.7 56
Show 00353-0942 CHE 28 129 8.4 67
Show 00350-0956 GRV 977 98 24.3 68
Show 00314-1113 GAL 302 AB 231 84.1 69
Show 00314-1113 GAL 302 AC 137 12.1 69
Show 00275-0921 HJ 1966 288 36.8 69
Show 00315-1116 HJ 1980 120 5.7 72
Show 00310-0850 RST4149 155 2.1 76
Show 00340-1100 GRV 976 66 19.0 77
Show 00322-0850 CVR 328 228 27.0 77
Show 00286-1114 RST4146 164 2.5 79
Show 00261-1037 GIC 8 150 59.4 82
Show 00266-0916 SLW 22 186 116.1 83
Show 00306-1135 UC 382 215 10.5 91
Show 00348-0853 A 433 30 4.1 92
Show 00340-0843 RST4151 54 0.9 93
Show 00259-0907 GWP 48 335 80.4 97
Show 00245-0950 SLW 17 352 18.2 99
Show 00257-1102 LDS5272 187 309.4 99
Show 00245-1025 SKF1658 54 4.0 100
Show 00278-1135 RST4144 45 0.9 102
Show 00294-0825 BRT 531 -1 -1.0 103
Show 00261-1123 YR 4 133 0.2 107
Show 00385-1049 LDS5284 235 358.4 117
Show 00334-1158 UC 390 149 16.4 119
Show 00336-0811 LDS5280 AB 297 163.6 120
Show 00336-0811 LDS5281 AC 113 317.6 120
Show 00383-0911 UC 405 338 65.7 120
Show 00321-1218 HDS 71 282 0.3 134
Show 00401-0949 UC 419 324 32.6 135
Show 00302-1221 RST3345 248 0.3 137
Show 00399-1051 SKF 114 279 7.6 139
Show 00404-1020 GWP 75 110 9.3 140
Show 00271-0753 A 431 AB 288 0.2 145
Show 00271-0753 SKF1423 AB,C 318 110.3 145
Show 00213-0955 CBL 203 5 21.0 146
Show 00291-0742 MLR 2 100 0.2 146
Show 00212-1000 LDS5268 208 64.5 148

 
 
WDS 00310-1005 : COMPONENTS
 
 
  A B
B pa=87.8°
sep=78.92"
 
C pa=87.5°
sep=78.66"
pa=324.0°
sep=0.46"
 
 
00310-1005 A
 
 
Name HD 2760 Coord arcsec 2000 003059.89-100504.9 Mag 6.91 Spectral class A5IV (white)
PmRA -29.00 PmDE -20.0 SAO 147317 HIP 2431
Tycho2 5269-02391-1 HD 2760 GC 607 BD BD-10 89
Tycho2
Tycho2 5269-02391-1 Pflag RAmdeg 7.74954850 DEmdeg -10.08470189
PmRA -28.7 PmDE -20.4 E RAmdeg 4 E DEmdeg 5
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.36 EpDEm 1991.06
Num 13 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 0.9 BTmag 7.118 E BTmag 0.015 VTmag 6.908
E VTmag 0.010 Prox 787 TYC T HIP 2431
CCDM RAdeg 7.74961528 DEdeg -10.08465361 EpRA 1990 1.72
EpDE 1990 1.54 E RAdeg 4.0 E DEdeg 4.6 Posflg
Corr -0.2
SAO
SAO 147317 DelFlag RA1950 PmRA1950 -0.0017
DE1950 PmDE1950 0.003 Vmag 6.7 SpType A3
Double code Source 70 CatNum 607 DM BD-10 89
DMcomp BDsup HD 2760 M HD 0
GC 607 RA1950rad 0.12419245 DE1950rad -0.18081921 PmRA2000 -0.0014
PmDE2000 0
Hipparcos
Catalog H HIP 2431 Proxy RAhms 00 30 59.91
DEdms -10 05 04.7 Vmag 6.86 VarFlag R Vmag G
RAdeg 7.74962 DEdeg -10.0847 AstroRef Plx 7.01
CCDM 00310-1005 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 2760 BD BD-10 89
CD CP Dm number -10 89 VIred 0.18
SpType A3 R SpType Coord arcsec 2000 003059.91-100504.7
Hipparcos 2
HIP 2431 Sn 5 So 0 Nc 1
RArad 0.1352564035 DErad -0.1760103968 Plx 6.72 PmRA -28.73
PmDE -20.36 E RArad 0.5 E DErad 0.35 E Plx 0.59
E pmRA 0.69 E pmDE 0.38 Hpmag 6.9444 E Hpmag 0.001
SHp 0.008 VA 0 BV 0.2 E BV 0.015
VI 0.18
CCDM
Ccdm 00310-1005 RComp Comp A Note1
Note2 Discov num DRAs -0.10 DDEs -2.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.7 Sp A3 PmNote *
PmRA -23 PmDE 4 Dm number -10 89 Cat1 BD
Name2 147317 Cat2 SAO HD 2760 M HD
ADS BDS A 426 M ADS BDS N IDS IDS 00259S1038A
HIC 2431
 
 
00310-1005 B
 
 
Coord arcsec 2000 003105.23-100501.9 Mag 9.69 Spectral class G1V (yellow) PmRA -25.00
PmDE -37.0 SAO 147318 HIP 2444 HD 2761
GC 610 BD BD-10 90 Calc delta mag 2.78
SAO
SAO 147318 DelFlag RA1950 PmRA1950 -0.0018
DE1950 PmDE1950 -0.022 Vmag 8.9 SpType G0
Double code Source 70 CatNum 610 DM BD-10 90
DMcomp BDsup HD 2761 M HD 0
GC 610 RA1950rad 0.12458464 DE1950rad -0.18080345 PmRA2000 -0.0015
PmDE2000 -0.025
Hipparcos
Catalog H HIP 2444 Proxy H RAhms 00 31 05.23
DEdms -10 05 01.9 Vmag 8.46 VarFlag R Vmag H
RAdeg 7.7718 DEdeg -10.0839 AstroRef * Plx 11.69
CCDM 00310-1005 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP CB
Theta 83 Rho 0.216 HD 2761 BD BD-10 90
CD CP Dm number -10 90 VIred 0.63
SpType G0 R SpType Coord arcsec 2000 003105.23-100501.9
Hipparcos 2
HIP 2444 Sn 55 So 3 Nc 2
RArad 0.1356435293 DErad -0.1759965633 Plx 12.5 PmRA -32.59
PmDE -40.29 E RArad 1.26 E DErad 0.65 E Plx 1.36
E pmRA 1.62 E pmDE 0.78 Hpmag 8.5984 E Hpmag 0.0026
SHp 0.015 VA 0 BV 0.636 E BV 0.019
VI 0.7
CCDM
Ccdm 00310-1005 RComp Comp B Note1
Note2 Discov num HJ 1981 DRAs 5.27 DDEs -0.7
R dRAs 10 Year 1890 Theta 087 Rho 79.2
Obs 8 Vmag 9.7 Sp G0 PmNote *
PmRA -26 PmDE -23 Dm number -10 90 Cat1 BD
Name2 147318 Cat2 SAO HD 2761 M HD
ADS BDS A 426 M ADS BDS N IDS IDS 00259S1038B
HIC 2444
 
 
00310-1005 C
 
 
Coord arcsec 2000 003105.21-100501.5 Mag 9.09 Tycho2 5269-02011-1 Calc delta mag 2.18
Calc coord yes
Tycho2
Tycho2 5269-02011-1 Pflag RAmdeg 7.77173682 DEmdeg -10.08394070
PmRA -32.8 PmDE -38.3 E RAmdeg 9 E DEmdeg 9
E pmRA 1.3 E pmDE 1.2 EpRAm 1990.47 EpDEm 1990.39
Num 8 Q RAmdeg 0.7 Q DEmdeg 1.3 Q pmRA 0.7
Q pmDE 1.3 BTmag 9.099 E BTmag 0.020 VTmag 8.433
E VTmag 0.015 Prox 787 TYC T HIP 2444
CCDM BC RAdeg 7.77181444 DEdeg -10.08385028 EpRA 1990 1.63
EpDE 1990 1.62 E RAdeg 8.5 E DEdeg 8.9 Posflg P
Corr -0.3
CCDM
Ccdm 00310-1005 RComp B Comp C Note1 *
Note2 Discov num BU 1158 DRAs DDEs
R dRAs Year 1958 Theta 186 Rho 0.5
Obs 15 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 426 M ADS BDS N IDS IDS 00259S1038C
HIC 2444