Coord 2000 | 19181-0525 | Discov num | HJ 881 | Comp | BC | Coord arcsec 2000 | 19 18 06.36 -05 24 54.1 | ||||
Date first | 1892 | Date last | 2015 | Obs | 13 | ||||||
Pa first | 307 | Pa last | 306.7 | P.A. Now (θ) | 306.7° | ||||||
Sep first | 7.1 | Sep last | 7.365 | Sep. Now (ρ) | 7.365" | ||||||
Mag pri | 9.82 | Mag sec | 10.50 | delta mag (ΔM) | 0.68 | Spectral class | |||||
Pri motion ra | +004 | Sec motion ra | -003 | ||||||||
Pri motion dec | -017 | Sec motion dec | -018 | ||||||||
Notes | U (Proper motion indicates non-physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 180785 | 143237 | 19 18 07 -05 25 24 | HJ 881 AB | 2015 | 17 | 340 | 32.0 | 7.83 | 9.81 | 1.98 | ||
Show | 143237 | 19 18 07 -05 25 24 | ABH 114 AD | 2015 | 10 | 250 | 86.9 | 7.83 | 14.16 | 6.33 | |||
Show | 143237 | 19 18 07 -05 25 24 | HO 574 AE | 2015 | 11 | 62 | 15.6 | 7.83 | 13.40 | 5.57 | |||
Show | 19 18 06 -05 24 54 | HDS 2731 Ba,Bb | 1991 | 2 | 218 | 1.1 | 9.82 | 11.30 | 1.48 | ||||
Show | 19 18 06 -05 24 54 | HJ 881 BC | 2015 | 13 | 307 | 7.4 | 9.82 | 10.50 | 0.68 | <=== |
Constellation | Aquila | HIP | 94856 | Tycho2 | 5138-02112-1 | Gaia DR2 | 4211368888631475200 | ||||
Distance | 95.88 | Distance ly | 312.76 |
refcode | metd | author | reference |
AbH1961 | - | Abt, H.A. | 1961A&AS....6...37A |
AbH1961 | A&AS 6, 37, 1961 | ||
AbH1962 | Po j | Abt, H.A. Jeffers, H., Gibson, & Sandage, A. | 1962ApJ...135..429A |
AbH1962 | ApJ 135, 429, 1962 | ||
AbH1964 | - | AbT, H.A. et al. | 1964ApJ...139.1139A |
AbH1964 | ApJ 139, 1139, 1964 | ||
AbH1965 | - | Abt, H.A. | 1965A&AS...11..429A |
AbH1965 | A&AS 11, 429, 1965 | ||
AbH1965b | - | Abt, H.A. et al. | 1965ApJ...142.1604A |
AbH1965b | ApJ 142, 1604, 1965 | ||
AbH1972 | - | Abt. H.A. & Biggs, E.S. | 1972bsrv.book.....A |
AbH1972 | Bibliography of Stellar Radial Velocities | ||
AbH1972b | not - | Abt. H.A., Levy, S.G., & Gandet, T.L. | 1972AJ.....77..138A |
AbH1972b | AJ 77, 138, 1972 | ||
AbH1973 | - | Abt, H.A. & Levy, S.G. | 1973AJ.....78.1093A |
AbH1973 | AJ 78, 1093, 1973 | ||
AbH1976 | orb - | Abt, H.A. & Levy, S.G. | 1976A&AS...30..273A |
AbH1976 | A&AS 30, 273, 1976 | ||
AbH1978 | - | Abt, H.A. & Levy, S.G. | 1978A&AS...36..241A |
AbH1978 | A&AS 36, 241, 1978 | ||
AbH1985 | - | Abt, H.A. & Levy, S.G. | 1985ApJS...59..229A |
AbH1985 | ApJS 59, 229, 1985 | ||
AbH1986 | - | Abt, H.A. | 1986ApJ...304..688A |
AbH1986 | ApJ 304, 688, 1986 | ||
AbH2000 | C u | Abt, H.A. & Corbally, C.J. | 2000ApJ...541..841A |
AbH2000 | ApJ 541, 841, 2000 | ||
AbH2000 | (Multi-epoch astrometry, photometry, and spectroscopy to determine | ||
AbH2000 | optical/physical nature of members of possible Trapezium systems) | ||
AbH2006 | orb - | Abt, H.A., & Willmarth, D. | 2006ApJS..162..207A |
AbH2006 | ApJS 162, 207, 2006 | ||
HDS | Hipparcos Double Star (from additional DD list) | ................... | |
HJ_1826 | Mb - | Herschel, J.F.W. | 1826MmRAS...2..459H |
HJ_1826 | MemRAS 2, 459, 1826 | ||
HJ_1829a | Mb - | Herschel, J.F.W. | 1829MmRAS...3...47H |
HJ_1829a | MemRAS 3, 47, 1829 | ||
HJ_1829b | Mb - | Herschel, J.F.W. | 1829MmRAS...3..177H |
HJ_1829b | MemRAS 3, 177, 1829 | ||
HJ_1831 | Ma - | Herschel, J.F.W. | 1831MmRAS...4..331H |
HJ_1831 | +Mb | MemRAS 4, part 2, 331, 1831 | |
HJ_1833a | Ma - | Herschel, J.F.W. | 1833MmRAS...5...13H |
HJ_1833a | +Mb | MemRAS 5, 13, 1833 | |
HJ_1833b | orb - | Herschel, J.F.W. | 1833MmRAS...5..171H |
HJ_1833b | MemRAS 5, 171, 1833 | ||
HJ_1833c | Mb - | Herschel, J.F.W. | 1833MmRAS...6....1H |
HJ_1833c | MemRAS 6, 1, 1833 | ||
HJ_1833d | orb - | Herschel, J.F.W. | 1833MmRAS...6..149H |
HJ_1833d | MemRAS 6, 149, 1833 | ||
HJ_1835 | Ma - | Herschel, J.F.W. | 1835MmRAS...8...37H |
HJ_1835 | +Mb | MemRAS 8, 37, 1835 | |
HJ_1836 | Mb - | Herschel, J.F.W. | 1836MmRAS...9..193H |
HJ_1836 | MemRAS 9, 193, 1836 | ||
HJ_1847a | Ma j | Herschel, J.F.W. | . |
HJ_1847a | +Mb | Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838) | |
HJ_1847b | Ma j | Herschel, J.F.W. | . |
HJ_1847b | Cape Results, London, 1847 | ||
HJ_1850 | orb - | Herschel, J.F.W. | 1850MmRAS..18...47H |
HJ_1850 | MemRAS 18, 47, 1850 | ||
HJ_1870 | Mb - | Herschel, J.F.W. | 1870MmRAS..38....1H |
HJ_1870 | MemRAS 38, 1, 1870 | ||
HJ_1874A | - | Herschel, J.F.W. | 1874MNRAS..35...28B |
HJ_1874A | cited by Burnham (MNRAS 35, 28, 1874) | ||
HJ_1875A | Ma - | Herschel, J.F.W. | 1875AN.....85..323D |
HJ_1875A | +Mb | cited by Doberck, 1875 (see Dob1875b,f,g,h) | |
HJ_1880A | Ma - | Herschel, J.F.W. | 1880Obs.....3..508G |
HJ_1880A | +Mb | cited by Gledhill (Obs 3, 508, 1880) | |
HJ_1880B | Mb - | Herschel, J.F.W. | 1880MNRAS..40..497B |
HJ_1880B | cited by Burnham (MNRAS 40, 497, 1880) | ||
HJ_1897A | Ma j | Herschel, J.F.W. | 1897MNRAS..57..541S |
HJ_1897A | cited by See (MNRAS 57, 541, 1897) | ||
HJ_1905A | Ma - | Herschel, J.F.W. | 1905LicOB...3..147A |
HJ_1905A | +Mb | cited by Aitken (Lick Obs. Bull. 3, 147, 1905) | |
HJ_1906A | Ma - | Herschel, J.F.W. | 1906MmRAS..56....1L |
HJ_1906A | +Mb | cited by Lewis (MemRAS 56, 1, 1906) | |
HJ_1906B | Ma - | Herschel, J.F.W. | 1906QB821.B972..... |
HJ_1906B | +Mb | cited in BDS (Burnham Double Star Cat.), 1906 | |
HJ_1927A | Mb - | Herschel, J.F.W. | 1927sdsc.book...... |
HJ_1927A | cited in SDS (Southern Double Star Catalog), 1927 | ||
HJ_1932A | Mb - | Herschel, J.F.W. | 1932QB821.A43...... |
HJ_1932A | cited in ADS (Aitken Double Star Cat.), 1932 | ||
HJ_9999 | M j | Herschel, J.F.W. | ................... |
HJ_9999 | +Ma | Unpublished, manuscript or reference not found. | |
Ho_1883 | Ma j | Hough, G.W. | 1883MNRAS..43..371H |
Ho_1883 | MNRAS 43, 371, 1883 (data also in Ho_1890) | 1890AN....125....1H | |
Ho_1884 | Ma j | Hough, G.W. | 1884MNRAS..44..365H |
Ho_1884 | MNRAS 44, 365, 1884 (data also in Ho_1890) | 1890AN....125....1H | |
Ho_1885 | Ma j | Hough, G.W. | 1885MNRAS..45..417H |
Ho_1885 | MNRAS 45, 417, 1885 (data also in Ho_1890) | 1890AN....125....1H | |
Ho_1886 | Ma j | Hough, G.W. | 1886MNRAS..46..393H |
Ho_1886 | MNRAS 46, 393, 1886 (data also in Ho_1890) | 1890AN....125....1H | |
Ho_1887 | Ma j | Hough, G.W. | 1887AN....116..273H |
Ho_1887 | AN 116, 273, 1887 | ||
Ho_1890 | Ma j | Hough, G.W. | 1890AN....125....1H |
Ho_1890 | AN 125, 1, 1890 | ||
Ho_1890b | Ma j | Hough, G.W. | 1890AJ......9..177H |
Ho_1890b | AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) | 1890AN....125....1H | |
Ho_1894a | Ma - | Hough, G.W. | 1894MNRAS..54..251H |
Ho_1894a | MNRAS 54, 251, 1894 | ||
Ho_1894b | Ma j | Hough, G.W. (HO 304 - 490) | 1894AN....135..281H |
Ho_1894b | AN 135, 281, 1894 | ||
Ho_1894c | Ma - | Hough, G.W. (measure by Dembowski, H.) | 1894AN....135..281H |
Ho_1894c | AN 135, 281, 1894 | ||
Ho_1899a | Ma j | Hough, G.W. | 1899AN....149..65H |
Ho_1899a | AN 149, 65, 1899 | ||
Ho_1899b | Ma - | Hough, G.W. (measure by Burnham, S.W.) | 1899AN....149..65H |
Ho_1899b | AN 149, 65, 1899 | ||
Ho_1907 | Ma - | Hough, G.W. | 1907PFAO....3c...1D |
Ho_1907 | Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle) | ||
Ho_1932A | Ma - | Hough, G.W. | 1932QB821.A43...... |
Ho_1932A | cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox) |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
19181-0525 | HJ 881 | BC | 1999 | 9 | 307 | 7.3 | 9.80 | 9.80 | D | 191806.36-052454.1 | |
19181-0525 | HJ 881 | BC | 2000 | 10 | 307 | 7.3 | 9.80 | 9.80 | UD | 191806.36-052454.1 | |
19181-0525 | HJ 881 | BC | 2013 | 11 | 307 | 7.2 | 9.80 | 9.80 | U | 191806.36-052454.1 | |
19181-0525 | HJ 881 | BC | 2015 | 13 | 307 | 7.4 | 9.82 | 10.50 | U | 191806.36-052454.1 |
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 | Bb | C | D | |
B | pa=340.0° sep=32.35" | ||||
Bb | pa=338.4° sep=31.79" | pa=217.8° sep=1.07" | |||
C | pa=334.1° sep=38.70" | pa=306.8° sep=7.34" | pa=315.1° sep=7.40" | ||
D | pa=250.0° sep=86.59" | pa=229.5° sep=92.43" | pa=229.7° sep=91.39" | pa=225.0° sep=91.10" | |
E | pa=61.8° sep=15.57" | pa=132.9° sep=33.83" | pa=131.1° sep=33.75" | pa=131.8° sep=41.14" | pa=68.8° sep=102.02" |
Name | HD 180785 | Coord arcsec 2000 | 191807.10-052524.5 | Mag | 7.83 | Spectral class | K3II (yellow-orange) | ||||
PmRA | 0.00 | PmDE | -6.0 | SAO | 143237 | HIP | 94857 | ||||
Tycho2 | 5138-01661-1 | HD | 180785 | ADS | 12283 | BD | BD-05 4927 |
Tycho2 | 5138-01661-1 | Pflag | RAmdeg | 289.52961282 | DEmdeg | -5.42343658 | |||||
PmRA | 0.3 | PmDE | -6.9 | E RAmdeg | 6 | E DEmdeg | 7 | ||||
E pmRA | 1.2 | E pmDE | 1.1 | EpRAm | 1991.13 | EpDEm | 1990.72 | ||||
Num | 10 | Q RAmdeg | 0.8 | Q DEmdeg | 1.1 | Q pmRA | 0.7 | ||||
Q pmDE | 1.2 | BTmag | 10.134 | E BTmag | 0.027 | VTmag | 7.829 | ||||
E VTmag | 0.011 | Prox | 317 | TYC | T | HIP | 94857 | ||||
CCDM | RAdeg | 289.52961167 | DEdeg | -5.42342139 | EpRA 1990 | 1.77 | |||||
EpDE 1990 | 1.72 | E RAdeg | 5.6 | E DEdeg | 6.7 | Posflg | |||||
Corr | -0.1 |
SAO | 143237 | DelFlag | RA1950 | PmRA1950 | -0.0008 | ||||||
DE1950 | PmDE1950 | 0.002 | Vmag | 7.4 | SpType | K2 | |||||
Double code | Source | 27 | CatNum | 6570 | DM | BD-05 4927 | |||||
DMcomp | BDsup | HD | 180785 | M HD | 0 | ||||||
GC | RA1950rad | 5.04162147 | DE1950rad | -0.09625365 | PmRA2000 | -0.0006 | |||||
PmDE2000 | 0.002 |
Catalog | H | HIP | 94857 | Proxy | RAhms | 19 18 07.11 | |||||
DEdms | -05 25 24.3 | Vmag | 7.4 | VarFlag | R Vmag | G | |||||
RAdeg | 289.53 | DEdeg | -5.42342 | AstroRef | Plx | -0.3 | |||||
CCDM | 19181-0525 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 180785 | BD | BD-05 4927 | ||||||
CD | CP | Dm number | -05 4927 | VIred | 1.95 | ||||||
SpType | K2 | R SpType | Coord arcsec 2000 | 191807.11-052524.3 |
HIP | 94857 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 5.0532449811 | DErad | -0.0946565618 | Plx | 0.88 | PmRA | -0.22 | ||||
PmDE | -6.1 | E RArad | 0.84 | E DErad | 0.59 | E Plx | 0.98 | ||||
E pmRA | 0.91 | E pmDE | 0.68 | Hpmag | 7.6748 | E Hpmag | 0.0016 | ||||
SHp | 0.015 | VA | 0 | BV | 1.276 | E BV | 0.218 | ||||
VI | 1.95 |
Ccdm | 19181-0525 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 1.11 | DDEs | -24.4 | ||||||
R dRAs | 82 | Year | Theta | Rho | |||||||
Obs | 5 | Vmag | 7.7 | Sp | K2 | PmNote | * | ||||
PmRA | 0 | PmDE | -6 | Dm number | -05 4927 | Cat1 | BD | ||||
Name2 | 143237 | Cat2 | SAO | HD | 180785 | M HD | |||||
ADS BDS | A12283 | M ADS BDS | N IDS | IDS | 19128S0536A | ||||||
HIC | 94857 |
Coord arcsec 2000 | 191806.36-052454.1 | Coord calc | 191806.36-052454.1 | Mag | 9.82 | PmRA | 4.00 | ||||
PmDE | -17.0 | HIP | 94856 | Tycho2 | 5138-02112-1 | Calc delta mag | 1.99 |
Tycho2 | 5138-02112-1 | Pflag | RAmdeg | 289.52653151 | DEmdeg | -5.41506118 | |||||
PmRA | 1.0 | PmDE | -19.1 | E RAmdeg | 21 | E DEmdeg | 25 | ||||
E pmRA | 1.9 | E pmDE | 2.0 | EpRAm | 1990.53 | EpDEm | 1990.01 | ||||
Num | 3 | Q RAmdeg | 0.3 | Q DEmdeg | 0.9 | Q pmRA | 0.4 | ||||
Q pmDE | 0.9 | BTmag | 11.000 | E BTmag | 0.051 | VTmag | 9.805 | ||||
E VTmag | 0.030 | Prox | 11 | TYC | T | HIP | 94856 | ||||
CCDM | A | RAdeg | 289.52652917 | DEdeg | -5.41501722 | EpRA 1990 | 1.76 | ||||
EpDE 1990 | 1.69 | E RAdeg | 21.3 | E DEdeg | 25.4 | Posflg | P | ||||
Corr | -0.1 |
Catalog | H | HIP | 94856 | Proxy | H | RAhms | 19 18 06.36 | ||||
DEdms | -05 24 54.1 | Vmag | 9.92 | VarFlag | R Vmag | H | |||||
RAdeg | 289.527 | DEdeg | -5.41502 | AstroRef | A | Plx | 8.34 | ||||
CCDM | 19181-0525 | N CCDM | I | Nsys | 2 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AD | |||||
Theta | 215 | Rho | 1.021 | HD | BD | ||||||
CD | CP | Dm number | VIred | 0.73 | |||||||
SpType | R SpType | Coord arcsec 2000 | 191806.36-052454.1 |
HIP | 94856 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 5.0531908539 | DErad | -0.0945098803 | Plx | 10.43 | PmRA | -17.57 | ||||
PmDE | -46.18 | E RArad | 4.88 | E DErad | 3.93 | E Plx | 5.98 | ||||
E pmRA | 5.98 | E pmDE | 4.57 | Hpmag | 10.0576 | E Hpmag | 0.0058 | ||||
SHp | 0.047 | VA | 0 | BV | 0 | E BV | 0 | ||||
VI | 0 |
Ccdm | 19181-0525 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | HJ 881 | DRAs | 0.35 | DDEs | 5.5 | |||||
R dRAs | 82 | Year | 1895 | Theta | 341 | Rho | 33.2 | ||||
Obs | 9 | Vmag | 10.5 | Sp | PmNote | ||||||
PmRA | -18 | PmDE | -48 | Dm number | Cat1 | ||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A12283 | M ADS BDS | N IDS | IDS | 19128S0536B | ||||||
HIC | 94856 |
Coord arcsec 2000 | 191806.32-052454.9 | Mag | 11.3 | Calc delta mag | 3.47 | Calc coord | yes |
Coord arcsec 2000 | 191805.97-052449.7 | Mag | 10.5 | PmRA | -3.00 | PmDE | -18.0 | ||||
Calc delta mag | 2.67 | Calc coord | yes |
Ccdm | 19181-0525 | RComp | B | Comp | C | Note1 | |||||
Note2 | Discov num | HJ 881 | DRAs | DDEs | |||||||
R dRAs | Year | 1895 | Theta | 307 | Rho | 7.0 | |||||
Obs | 8 | Vmag | 10.5 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A12283 | M ADS BDS | N IDS | IDS | 19128S0536C | ||||||
HIC | 94856 |
Coord arcsec 2000 | 191801.65-052554.1 | Mag | 14.16 | PmRA | 3.00 | PmDE | 2.0 | ||||
Calc delta mag | 6.33 | Calc coord | yes |
Ccdm | 19181-0525 | RComp | B | Comp | D | Note1 | |||||
Note2 | Discov num | HDS | DRAs | 0.31 | DDEs | 4.7 | |||||
R dRAs | 82 | Year | 1991 | Theta | 215 | Rho | 1.0 | ||||
Obs | 1 | Vmag | 11.3 | Sp | PmNote | ||||||
PmRA | -18 | PmDE | -48 | Dm number | Cat1 | ||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | M ADS BDS | N IDS | IDS | ||||||||
HIC | 94856 |
Coord arcsec 2000 | 191808.02-052517.1 | Mag | 13.4 | PmRA | -18.00 | PmDE | -48.0 | ||||
Calc delta mag | 5.57 | Calc coord | yes |