Coord 2000 | 17593-0651 | Discov num | STF2250 | Comp | AB | Coord arcsec 2000 | 17 59 18.09 -06 51 21.2 | ||||
Date first | 1830 | Date last | 2019 | Obs | 41 | ||||||
Pa first | 347 | Pa last | 344 | P.A. Now (θ) | 344° | ||||||
Sep first | 8.6 | Sep last | 7.82 | Sep. Now (ρ) | 7.82" | ||||||
Mag pri | 8.79 | Mag sec | 9.24 | delta mag (ΔM) | 0.45 | Spectral class | B9 (blue-white) | ||||
Pri motion ra | -005 | Sec motion ra | -005 | ||||||||
Pri motion dec | -008 | Sec motion dec | -010 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 163998 | 142008 | 17 59 18 -06 51 21 | STF 2250 AB | 2019 | 41 | 344 | 7.8 | 8.79 | 9.24 | 0.45 | <=== | |
Show | 142008 | 17 59 18 -06 51 21 | SIN 106 AC | 2015 | 7 | 92 | 45.0 | 8.79 | 14.21 | 5.42 |
Name | HD 163998 | Constellation | Ophiuchus | SAO | 142008 | HIP | 88078 | ||||
Tycho2 | 5095-00443-1 | Gaia DR2 | 4172046401447484672 | HD | 163998 | GC | 24479 | ||||
BD | BD-06 4689 | Distance | 645.16 | Distance ly | 2104.51 |
discov_num | notes | refcode |
STF2250 | Same as STF2249. |
refcode | metd | author | reference |
Sin1988 | C j | Sinachopoulos, D. | 1988A&AS...76..189S |
Sin1988 | A&AS 76, 189, 1988 | ||
Sin1988b | C j | Sinachopoulos, D., Nicklas, H. & Geffert, M. | 1988Ap&SS.142..227S |
Sin1988b | Ap&SS 142, 227, 1988 | ||
Sin1989 | Z - | Sinachopoulos, D. | 1989A&AS...81..103S |
Sin1989 | A&AS 81, 103, 1989 | ||
Sin1990 | C - | Sinachopoulos, D. & Seggewiss, W. | 1990A&AS...83..245S |
Sin1990 | A&AS 83, 245, 1990 | ||
Sin1990b | Z - | Sinachopoulos, D. | 1990A&AS...86...75S |
Sin1990b | A&AS 86, 75, 1990 | ||
Sin1991 | Z - | Sinachopoulos, D. | 1991A&AS...87..453S |
Sin1991 | A&AS 87, 453, 1991 | ||
Sin1992 | C - | Sinachopoulos, D. | 1992A&AS...96..137S |
Sin1992 | A&AS 96, 137, 1992 | ||
Sin1993a | Z - | Sinachopoulos, D. & van Dessel, E. | 1993A&AS...98...17S |
Sin1993a | +Ca | A&AS 98, 17, 1993 | |
Sin1993b | Z - | Sinachopoulos, D. | 1993A&AS...99...11S |
Sin1993b | +Ca | A&AS 99, 11, 1993 | |
Sin1995 | Z - | Sinachopoulos, D., Cuypers, J., Lampens, P., Oblak, E., & van Dessel, E.L. | 1995A&AS..112..291S |
Sin1995 | A&AS 112, 291, 1995 | ||
Sin1996 | Z - | Sinachopoulos, D. & van Dessel, E.L | 1996A&AS..119..483S |
Sin1996 | A&AS 119, 483, 1996 | ||
Sin1998 | C - | Sinachopoulos, D. & van Dessel, E.L | 1998A&AS..130..299S |
Sin1998 | A&AS 130, 299, 1998 | ||
Sin1999 | C - | Sinachopoulos, D., Dapergolas, A., van Dessel, E., & Kontizas, E. | 1999A&AS..136..525S |
Sin1999 | A&AS 136, 525, 1999 | ||
Sin2007 | C - | Sinachopoulos, D., Gavras, P., Dionatos, O., Ducourant, Ch., & Medupe, Th. | 2007A&A...472.1055S |
Sin2007 | A&A 472, 1055, 2007 | ||
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 |
17593-0651 | STF2250 | AB | 2005 | 27 | 344 | 7.8 | 8.79 | 9.24 | B9 | N D | 175918.09-065121.2 |
17593-0651 | STF2250 | AB | 2011 | 29 | 344 | 7.8 | 8.79 | 9.24 | B9 | N D | 175918.09-065121.2 |
17593-0651 | STF2250 | AB | 2013 | 31 | 344 | 7.8 | 8.79 | 9.24 | B9 | N | 175918.09-065121.2 |
17593-0651 | STF2250 | AB | 2015 | 35 | 343 | 7.8 | 8.79 | 9.24 | B9 | N | 175918.09-065121.2 |
17593-0651 | STF2250 | AB | 2019 | 40 | 344 | 7.8 | 8.79 | 9.24 | B9 | N | 175918.09-065121.2 |
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. |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
A | B | |
B | pa=344.1° sep=7.82" | |
C | pa=92.3° sep=44.69" | pa=101.3° sep=47.71" |
Name | HD 163998 | Coord arcsec 2000 | 175918.09-065121.2 | Mag | 8.79 | Spectral class | B9 (blue-white) | ||||
PmRA | -5.00 | PmDE | -8.0 | SAO | 142008 | HIP | 88078 | ||||
Tycho2 | 5095-00443-1 | HD | 163998 | GC | 24479 | BD | BD-06 4689 |
Tycho2 | 5095-00443-1 | Pflag | RAmdeg | 269.82538043 | DEmdeg | -6.85592832 | |||||
PmRA | -3.3 | PmDE | -9.7 | E RAmdeg | 10 | E DEmdeg | 14 | ||||
E pmRA | 1.5 | E pmDE | 1.6 | EpRAm | 1991.37 | EpDEm | 1990.91 | ||||
Num | 5 | Q RAmdeg | 0.9 | Q DEmdeg | 1.5 | Q pmRA | 0.9 | ||||
Q pmDE | 1.5 | BTmag | 9.351 | E BTmag | 0.025 | VTmag | 8.788 | ||||
E VTmag | 0.018 | Prox | 78 | TYC | T | HIP | 88078 | ||||
CCDM | A | RAdeg | 269.82538778 | DEdeg | -6.85590611 | EpRA 1990 | 1.83 | ||||
EpDE 1990 | 1.76 | E RAdeg | 9.9 | E DEdeg | 13.5 | Posflg | |||||
Corr | -0.2 |
SAO | 142008 | DelFlag | RA1950 | PmRA1950 | -0.0007 | ||||||
DE1950 | PmDE1950 | -0.004 | Vmag | 8.6 | SpType | B9 | |||||
Double code | Source | 70 | CatNum | 24479 | DM | BD-06 4689 | |||||
DMcomp | BDsup | HD | 163998 | M HD | 0 | ||||||
GC | 24479 | RA1950rad | 4.69757032 | DE1950rad | -0.11961271 | PmRA2000 | -0.0005 | ||||
PmDE2000 | -0.003 |
Catalog | H | HIP | 88078 | Proxy | H | RAhms | 17 59 18.09 | ||||
DEdms | -06 51 21.2 | Vmag | 8.08 | VarFlag | R Vmag | H | |||||
RAdeg | 269.825 | DEdeg | -6.8559 | AstroRef | A | Plx | 3.22 | ||||
CCDM | 17593-0651 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 344 | Rho | 7.818 | HD | 163998 | BD | BD-06 4689 | ||||
CD | CP | Dm number | -06 4689 | VIred | 0.8 | ||||||
SpType | B8II-III+.. | R SpType | Coord arcsec 2000 | 175918.09-065121.2 |
HIP | 88078 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 4.7093413286 | DErad | -0.1196580591 | Plx | 1.55 | PmRA | -0.05 | ||||
PmDE | -8.58 | E RArad | 1.18 | E DErad | 0.8 | E Plx | 1.33 | ||||
E pmRA | 1.91 | E pmDE | 0.89 | Hpmag | 8.2264 | E Hpmag | 0.0023 | ||||
SHp | 0.012 | VA | 0 | BV | 0.762 | E BV | 0.003 | ||||
VI | 0.81 |
Ccdm | 17593-0651 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.01 | DDEs | -20.8 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.0 | Sp | B9 | PmNote | * | ||||
PmRA | -10 | PmDE | -4 | Dm number | -06 4689 | Cat1 | BD | ||||
Name2 | 142008 | Cat2 | SAO | HD | 163998 | M HD | |||||
ADS BDS | A10947 | M ADS BDS | N IDS | IDS | 17539S0651A | ||||||
HIC | 88078 |
Coord arcsec 2000 | 175917.95-065113.7 | Mag | 9.24 | PmRA | -5.00 | PmDE | -10.0 | ||||
Tycho2 | 5095-01039-1 | Calc delta mag | 0.45 | Calc coord | yes |
Tycho2 | 5095-01039-1 | Pflag | RAmdeg | 269.82477581 | DEmdeg | -6.85383559 | |||||
PmRA | -2.7 | PmDE | -9.6 | E RAmdeg | 14 | E DEmdeg | 20 | ||||
E pmRA | 1.7 | E pmDE | 1.7 | EpRAm | 1991.08 | EpDEm | 1990.34 | ||||
Num | 4 | Q RAmdeg | 1.3 | Q DEmdeg | 2.3 | Q pmRA | 1.3 | ||||
Q pmDE | 2.5 | BTmag | 9.783 | E BTmag | 0.031 | VTmag | 9.238 | ||||
E VTmag | 0.025 | Prox | 78 | TYC | T | HIP | 88078 | ||||
CCDM | B | RAdeg | 269.82478222 | DEdeg | -6.85381333 | EpRA 1990 | 1.82 | ||||
EpDE 1990 | 1.70 | E RAdeg | 13.6 | E DEdeg | 19.9 | Posflg | |||||
Corr | -0.2 |
Ccdm | 17593-0651 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STF2250 | DRAs | -0.14 | DDEs | -13.3 | |||||
R dRAs | 90 | Year | 1830 | Theta | 345 | Rho | 7.8 | ||||
Obs | 9 | Vmag | 10.0 | Sp | PmNote | ||||||
PmRA | -10 | PmDE | -4 | Dm number | Cat1 | ||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A10947 | M ADS BDS | N IDS | IDS | 17539S0651B | ||||||
HIC | 88078 |
Coord arcsec 2000 | 175921.09-065123.0 | Mag | 14.21 | Calc delta mag | 5.42 | Calc coord | yes |