Coord 2000 | 00518-0810 | Discov num | STF 68 | Comp | AB,C | Coord arcsec 2000 | 00 51 50.50 -08 09 56.9 | ||||
Date first | 1830 | Date last | 2017 | Obs | 24 | ||||||
Pa first | 296 | Pa last | 295 | P.A. Now (θ) | 295° | ||||||
Sep first | 7.5 | Sep last | 7.75 | Sep. Now (ρ) | 7.75" | ||||||
Mag pri | 8.31 | Mag sec | 9.91 | delta mag (ΔM) | 1.6 | Spectral class | G0 (yellow) | ||||
Pri motion ra | +063 | Sec motion ra | +049 | ||||||||
Pri motion dec | +028 | Sec motion dec | +033 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 128997 | 00 51 50 -08 09 57 | RST 4160 AB | 2020 | 7 | 341 | 0.0 | 9.30 | 9.80 | 0.50 | |||
Show | HD 4987 | 128997 | 00 51 50 -08 09 57 | STF 68 AB,C | 2017 | 24 | 295 | 7.8 | 8.31 | 9.91 | 1.60 | <=== |
Name | HD 4987 | Constellation | Cetus | SAO | 128997 | HIP | 4044 | ||||
Tycho2 | 5270-00576-1 | Gaia DR2 | 2474551081243456384 | HD | 4987 | BD | BD-08 154 | ||||
Distance | 156.49 | Distance ly | 510.47 |
refcode | metd | author | reference |
Rst1933 | T - | Rossiter, R.A. | 1933MmRAS..65...27R |
Rst1933 | MemRAS 65, 27, 1933 | ||
Rst1937 | Ma - | Rossiter, R.A. | 1937MmRAS..65...51R |
Rst1937 | MemRAS 65, 51, 1937 | ||
Rst1943 | Ma - | Rossiter, R.A. | 1943POMic...8..133R |
Rst1943 | Pub. Univ. Michigan Obs. 8, 133, 1943 | ||
Rst1944 | - | Rossiter, R.A. | 1944POMic...9....1R |
Rst1944 | Pub. Univ. Michigan Obs. 9, 1, 1944 | ||
Rst1947 | Ma - | Rossiter, R.A. | 1947POMic...9....7R |
Rst1947 | Pub. Univ. Michigan Obs. 9, 7, 1947 | ||
Rst1955 | Ma j | Rossiter, R.A. | 1955POMic..11....1R |
Rst1955 | +P+ | Pub. Univ. Michigan Obs. 11, 1, 1955 | |
Rst1964 | Ma - | Rossiter, R.A. | 1964POMic...9...73R |
Rst1964 | Pub. Univ. Michigan Obs. 9, 73, 1964 | ||
STFA | (F. Struve DD - Appendix list #1) | ................... | |
STFB | (F. Struve DD - Appendix list #2) | ................... | |
StF1833A | Ma - | Struve, F.G.W. | 1833MmRAS...5...13H |
StF1833A | +Mc | cited by Herschel (MemRAS 5, 13, 1833) | |
StF1833B | Ma - | Struve, F.G.W. | 1833AN.....10..389B |
StF1833B | cited by Bessel (AN 10, 389, 1833) | ||
StF1837 | Ma - | Struve, F.G.W. | 1837AN.....14...249 |
StF1837 | Stellarum duplicium et multiplicium mensurae micrometricae... | ||
StF1837 | (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837 | ||
StF1844A | Ma - | Struve, F.G.W. | 1844QB43.S66....... |
StF1844A | cited by Smyth (Cycle of Celestial Objects 2, 1844) | ||
StF1852A | Ma - | Struve, F.G.W. | . |
StF1852A | cited by Bishop (Bishop Obs. Astron. Observations 1852) | ||
StF1865A | Ma - | Struve, F.G.W. | 1865AN.....64...81E |
StF1865A | cited by Engelmann (AN 64, 81, #1518, 1865) | ||
StF1875A | Ma - | Struve, F.G.W. | 1875AN.....85..323D |
StF1875A | cited by Doberck, 1875 (see Dob1875b,f,g,h) | ||
StF1878 | Ma - | Struve, F.G.W. | . |
StF1878 | Pulkova Observations 9, 1878 | ||
StF1878B | Ma - | Struve, F.G.W. | 1878Obs.....2..239G |
StF1878B | cited by Gledhill (Obs 2, 239, 1878) | ||
StF1880A | Ma - | Struve, F.G.W. | 1880Obs.....3..535G |
StF1880A | cited by Gledhill (Obs 3, 535, 1880) | ||
StF1906A | Ma - | Struve, F.G.W. | 1906QB821.B972..... |
StF1906A | cited in BDS (Burnham Double Star Cat.), 1906 | ||
StF1906B | Ma - | Struve, F.G.W. | 1906MmRAS..56....1L |
StF1906B | cited by Lewis (MemRAS 56, 1, 1906) | ||
StF1922A | Ma - | Struve, F.G.W. | 1922AN....216...49R |
StF1922A | cited by Rabe (AN 216, 49, 1922) | ||
StF1932A | Ma - | Struve, F.G.W. | 1932QB821.A43...... |
StF1932A | cited in ADS (Aitken Double Star Cat.), 1932 | ||
StF2002 | - - | Weis, J. | |
StF2002 | F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue | ||
StF2002 | USNO Library : QB 821 .S8 W49 2002 | ||
StF2022 | - - | email note from Jan Weis: 6 July 2022 | |
StF9999 | Ma - | Struve, F.G.W. | ................... |
StF9999 | Unpublished, manuscript or reference not found. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
00518-0810 | STF 68 | AB,C | 2003 | 18 | 294 | 7.9 | 8.31 | 9.91 | D | 005150.50-080956.9 | |
00518-0810 | STF 68 | AB,C | 2015 | 20 | 296 | 8.0 | 8.31 | 9.91 | G0 | 005150.50-080956.9 | |
00518-0810 | STF 68 | AB,C | 2017 | 21 | 295 | 7.8 | 8.31 | 9.91 | G0 | 005150.50-080956.9 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | B | |
B | pa=340.8° sep=0.05" | |
C | pa=295.2° sep=7.69" | pa=295.0° sep=7.65" |
Coord arcsec 2000 | 005150.50-080956.9 | Mag | 9.3 | Spectral class | G0 (yellow) | PmRA | 34.00 | ||||
PmDE | 49.0 | SAO | 128997 | HIP | 4044 | Tycho2 | 5270-00576-1 | ||||
HD | 4987 | GC | 1034 | ADS | 706 | BD | BD-08 154 |
Tycho2 | 5270-00576-1 | Pflag | RAmdeg | 12.96052475 | DEmdeg | -8.16573456 | |||||
PmRA | 46.8 | PmDE | 35.5 | E RAmdeg | 8 | E DEmdeg | 8 | ||||
E pmRA | 1.9 | E pmDE | 1.9 | EpRAm | 1991.48 | EpDEm | 1991.47 | ||||
Num | 3 | Q RAmdeg | 1.4 | Q DEmdeg | 0.4 | Q pmRA | 1.4 | ||||
Q pmDE | 0.4 | BTmag | 8.993 | E BTmag | 0.020 | VTmag | 8.308 | ||||
E VTmag | 0.014 | Prox | 78 | TYC | T | HIP | 4044 | ||||
CCDM | A | RAdeg | 12.96041528 | DEdeg | -8.16581694 | EpRA 1990 | 1.67 | ||||
EpDE 1990 | 1.64 | E RAdeg | 7.5 | E DEdeg | 8.4 | Posflg | |||||
Corr | -0.1 |
SAO | 128997 | DelFlag | RA1950 | PmRA1950 | 0.0033 | ||||||
DE1950 | PmDE1950 | 0.029 | Vmag | 8.8 | SpType | G0 | |||||
Double code | Source | 70 | CatNum | 1034 | DM | BD-08 154 | |||||
DMcomp | BDsup | HD | 4987 | M HD | 0 | ||||||
GC | 1034 | RA1950rad | 0.21516569 | DE1950rad | -0.14727209 | PmRA2000 | 0.0036 | ||||
PmDE2000 | 0.025 |
Catalog | H | HIP | 4044 | Proxy | H | RAhms | 00 51 50.50 | ||||
DEdms | -08 09 56.9 | Vmag | 8.04 | VarFlag | R Vmag | H | |||||
RAdeg | 12.9604 | DEdeg | -8.16582 | AstroRef | A | Plx | 7.12 | ||||
CCDM | 00518-0810 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AC | |||||
Theta | 296 | Rho | 7.842 | HD | 4987 | BD | BD-08 154 | ||||
CD | CP | Dm number | -08 154 | VIred | 0.7 | ||||||
SpType | G0... | R SpType | Coord arcsec 2000 | 005150.50-080956.9 |
HIP | 4044 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 0.2262018657 | DErad | -0.1425204102 | Plx | 6.39 | PmRA | 48.58 | ||||
PmDE | 34.99 | E RArad | 1.03 | E DErad | 0.82 | E Plx | 1.22 | ||||
E pmRA | 1.1 | E pmDE | 0.78 | Hpmag | 8.1723 | E Hpmag | 0.0026 | ||||
SHp | 0.015 | VA | 0 | BV | 0.636 | E BV | 0.02 | ||||
VI | 0.7 |
Ccdm | 00518-0810 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 2.53 | DDEs | 2.3 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 3 | Vmag | 9.3 | Sp | G0 | PmNote | * | ||||
PmRA | 50 | PmDE | 28 | Dm number | -08 154 | Cat1 | BD | ||||
Name2 | 128997 | Cat2 | SAO | HD | 4987 | M HD | |||||
ADS BDS | A 706 | M ADS BDS | N IDS | IDS | 00468S0843A | ||||||
HIC | 4044 |
Coord arcsec 2000 | 005150.50-080956.9 | Mag | 9.8 | Calc delta mag | 0.5 | Calc coord | yes |
Ccdm | 00518-0810 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | RST4160 | DRAs | DDEs | |||||||
R dRAs | Year | 1938 | Theta | 174 | Rho | 0.4 | |||||
Obs | 4 | Vmag | 9.8 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 706 | M ADS BDS | N IDS | IDS | 00468S0843B | ||||||
HIC | 4044 |
Coord arcsec 2000 | 005150.03-080953.6 | Mag | 9.91 | PmRA | 49.00 | PmDE | 33.0 | ||||
Calc delta mag | 0.61 | Calc coord | yes |
Ccdm | 00518-0810 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | STF 68 | DRAs | DDEs | |||||||
R dRAs | Year | 1830 | Theta | 296 | Rho | 7.6 | |||||
Obs | 7 | Vmag | 10.0 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 706 | M ADS BDS | N IDS | IDS | 00468S0843C | ||||||
HIC | 4044 |