Coord 2000 | 19392+0524 | Discov num | HJ 2886 | Comp | AB | Coord arcsec 2000 | 19 39 11.64 +05 23 52.0 | ||||
Date first | 1830 | Date last | 2015 | Obs | 8 | ||||||
Pa first | 330 | Pa last | 327 | P.A. Now (θ) | 327° | ||||||
Sep first | 43.3 | Sep last | 48.002 | Sep. Now (ρ) | 48.002" | ||||||
Mag pri | 5.22 | Mag sec | 12.33 | delta mag (ΔM) | 7.11 | Spectral class | B3V+B3V (blue-white/blue-white) | ||||
Pri motion ra | +004 | Sec motion ra | +002 | ||||||||
Pri motion dec | -004 | Sec motion dec | -006 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | Sig Aql | 124903 | 19 39 12 +05 23 52 | HJ 2886 AB | 2015 | 8 | 327 | 48.0 | 5.22 | 12.33 | 7.11 | <=== | |
Show | 124903 | 19 39 12 +05 23 52 | WAL 117 AC | 2015 | 4 | 333 | 131.7 | 5.18 | 13.01 | 7.83 |
Name | Sig Aql | Constellation | Aquila | SAO | 124903 | HIP | 96665 | ||||
Tycho2 | 0487-03422-1 | Gaia DR2 | 4291462091610511744 | HD | 185507 | HR | 7474 | ||||
GC | 27185 | ADS | 12737 | BD | BD+05 4225 | Bayer | Sigma Aquilae | ||||
Bayer name | Sig Aql | Flamsteed | 44 Aquilae | Flamsteed name | 44 Aql | Distance | 239.23 | ||||
Distance ly | 780.37 | Bayer greek | σ Aql |
discov_num | notes | refcode |
HJ 2886 | sig Aql = 44 Aql. A is a Beta Lyrae-type system, spectrum composite. | |
Spectrum of B G8V. |
refcode | metd | author | reference |
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. | |
Wal1934 | Ma j | Wallenquist, A. | 1934AnBos...6....3W |
Wal1934 | Ann. Bosscha Obs. Lembang 6, Pt.2, 1934 | ||
Wal1944a | Zw - | Wallenquist, A. | 1954MeUpp...85..... |
Wal1944a | Medd. Uppsala Obs. #85, 1944 | ||
Wal1944a | (Visual measures with wedge photometer attached to 14-inch refractor. No dates | ||
Wal1944a | given for measures; default date = decade of publication added.) | ||
Wal1944b | Zw - | Wallenquist, A. | 1954MeUpp...87..... |
Wal1944b | Medd. Uppsala Obs. #87, 1944 | ||
Wal1944b | (Visual measures with wedge photometer attached to 14-inch refractor. No dates | ||
Wal1944b | given for measures; default date = decade of publication added.) | ||
Wal1947 | Zw - | Wallenquist, A. | 1947UppAn...2....2W |
Wal1947 | Ann. Uppsala Astron. Obs. 2, No.2, 1947 | ||
Wal1947 | (A catalogue containing results of the two prior series, plus additional measures | ||
Wal1947 | with the 14-inch refractor and wedge photometer) | ||
Wal1948 | Zw - | Wallenquist, A. | 1948UppAn...2....3W |
Wal1948 | Ann. Uppsala Astron Obs. 2, #3, 1948 | ||
Wal1948 | (Visual measures of southern double stars made with 17-inch refractor of La Plata | ||
Wal1948 | and wedge photometer. No dates listed; default date = decade of publication added) | ||
Wal1950 | Zd - | Wallenquist, A. | 1950MeUpp..103..... |
Wal1950 | Medd. Uppsala Obs. #103, 1950 | ||
Wal1954 | Zw - | Wallenquist, A. | 1954UppAn...4Q....W |
Wal1954 | Ann. Uppsala Astron Obs. 4, #2, 1954 | ||
Wal1954 | ("General Catalogue of Differences in Magnitude of Double Stars". Weighted mean | ||
Wal1954 | values from numerous sources) | ||
Wal1958 | Zw - | Wallenquist, A. | 1958MeUpp..118..... |
Wal1958 | Medd. Uppsala Obs. #118, 1958 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
19392+0524 | HJ 2886 | AB | 2000 | 6 | 327 | 48.0 | 5.22 | 12.33 | B3V+B3V | N D | 193911.64+052352.0 |
19392+0524 | HJ 2886 | AB | 2015 | 8 | 327 | 48.0 | 5.22 | 12.33 | B3V+B3V | N | 193911.64+052352.0 |
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=327.1° sep=47.94" | |
C | pa=332.9° sep=131.54" | pa=336.2° sep=83.99" |
Name | Sig Aql | Coord arcsec 2000 | 193911.64+052352.0 | Mag | 5.22 | Spectral class | B3V (blue-white) | ||||
PmRA | 4.00 | PmDE | -4.0 | SAO | 124903 | HIP | 96665 | ||||
Tycho2 | 0487-03422-1 | HD | 185507 | HR | 7474 | GC | 27185 | ||||
BD | BD+05 4225 | Bayer | Sigma Aquilae | Bayer name | Sig Aql | Flamsteed | 44 Aquilae | ||||
Flamsteed name | 44 Aql |
Tycho2 | 0487-03422-1 | Pflag | RAmdeg | 294.79850847 | DEmdeg | 5.39777571 | |||||
PmRA | 2.5 | PmDE | -2.7 | E RAmdeg | 3 | E DEmdeg | 3 | ||||
E pmRA | 0.7 | E pmDE | 0.7 | EpRAm | 1991.57 | EpDEm | 1991.44 | ||||
Num | 21 | Q RAmdeg | 0.7 | Q DEmdeg | 1.3 | Q pmRA | 0.7 | ||||
Q pmDE | 1.3 | BTmag | 5.177 | E BTmag | 0.014 | VTmag | 5.180 | ||||
E VTmag | 0.009 | Prox | 999 | TYC | T | HIP | 96665 | ||||
CCDM | RAdeg | 294.79850278 | DEdeg | 5.39778194 | EpRA 1990 | 1.88 | |||||
EpDE 1990 | 1.73 | E RAdeg | 3.1 | E DEdeg | 3.4 | Posflg | |||||
Corr | 0.2 |
SAO | 124903 | DelFlag | RA1950 | PmRA1950 | -0.0001 | ||||||
DE1950 | PmDE1950 | 0.001 | Vmag | 5.2 | SpType | B3 | |||||
Double code | Source | 70 | CatNum | 27185 | DM | BD+05 4225 | |||||
DMcomp | BDsup | HD | 185507 | M HD | 0 | ||||||
GC | 27185 | RA1950rad | 5.13443261 | DE1950rad | 0.09219643 | PmRA2000 | 0.0001 | ||||
PmDE2000 | -0.001 |
Catalog | H | HIP | 96665 | Proxy | RAhms | 19 39 11.64 | |||||
DEdms | +05 23 52.0 | Vmag | 5.18 | VarFlag | 2 | R Vmag | H | ||||
RAdeg | 294.798 | DEdeg | 5.39778 | AstroRef | Plx | 4.78 | |||||
CCDM | 19392+0524 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 185507 | BD | BD+05 4225 | ||||||
CD | CP | Dm number | +05 4225 | VIred | 0.01 | ||||||
SpType | B3V + B3V | R SpType | Coord arcsec 2000 | 193911.64+052352.0 |
HIP | 96665 | Sn | 7 | So | 0 | Nc | 1 | ||||
RArad | 5.1452044648 | DErad | 0.0942090769 | Plx | 4.18 | PmRA | 3.97 | ||||
PmDE | -4.26 | E RArad | 0.38 | E DErad | 0.21 | E Plx | 0.4 | ||||
E pmRA | 0.49 | E pmDE | 0.36 | Hpmag | 5.1849 | E Hpmag | 0.0016 | ||||
SHp | 0.03 | VA | 1 | BV | -0.001 | E BV | 0.004 | ||||
VI | 0.02 |
Ccdm | 19392+0524 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -0.35 | DDEs | -8.3 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 5.2 | Sp | B3 | PmNote | * | ||||
PmRA | 3 | PmDE | -5 | Dm number | +05 4225 | Cat1 | BD | ||||
Name2 | +05 2775 | Cat2 | AGK2/3 | HD | 185507 | M HD | |||||
ADS BDS | A12737 | M ADS BDS | N IDS | IDS | 19342N0510A | ||||||
HIC | 96665 |
Coord arcsec 2000 | 193909.90+052432.3 | Mag | 12.33 | Spectral class | B3V (blue-white) | PmRA | 2.00 | ||||
PmDE | -6.0 | Calc delta mag | 7.11 | Calc coord | yes |
Ccdm | 19392+0524 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | HJ 2886 | DRAs | DDEs | |||||||
R dRAs | Year | 1903 | Theta | 328 | Rho | 47.8 | |||||
Obs | 4 | Vmag | 12.1 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A12737 | M ADS BDS | N IDS | IDS | 19342N0510B | ||||||
HIC |
Coord arcsec 2000 | 193907.63+052549.1 | Mag | 13.01 | PmRA | -2.00 | PmDE | -3.0 | ||||
Calc delta mag | 7.79 | Calc coord | yes |