Coord 2000 | 00327-2522 | Discov num | HJ 3442 | Comp | Coord arcsec 2000 | 00 32 39.39 -25 21 34.5 | |||||
Date first | 1836 | Date last | 2015 | Obs | 13 | ||||||
Pa first | 208 | Pa last | 181.7 | P.A. Now (θ) | 181.7° | ||||||
Sep first | 30.0 | Sep last | 17.34 | Sep. Now (ρ) | 17.34" | ||||||
Mag pri | 6.85 | Mag sec | 11.40 | delta mag (ΔM) | 4.55 | Spectral class | K0 (yellow-orange) | ||||
Pri motion ra | -005 | Sec motion ra | +080 | ||||||||
Pri motion dec | -055 | Sec motion dec | -003 | ||||||||
Notes |
Name | HD 2947 | Constellation | Sculptor | SAO | 166344 | HIP | 2572 | ||||
Tycho2 | 6417-00348-1 | Gaia DR2 | 2346875309989293568 | HD | 2947 | GC | 646 | ||||
CD | CD-26 160 | Distance | 133.69 | Distance ly | 436.1 |
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. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
00327-2522 | HJ 3442 | 1998 | 11 | 186 | 18.3 | 6.90 | 11.00 | K0 | D | 003239.39-252134.5 | |
00327-2522 | HJ 3442 | 1999 | 12 | 185 | 18.6 | 6.90 | 11.00 | K0 | D | 003239.39-252134.5 | |
00327-2522 | HJ 3442 | 2015 | 13 | 182 | 17.3 | 6.85 | 11.40 | K0 | 003239.39-252134.5 |
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 | pa=181.5° sep=17.34" |
Componente originario normalizzato | AB | Name | HD 2947 | Coord arcsec 2000 | 003239.39-252134.5 | Mag | 6.85 | ||||
Spectral class | K0 (yellow-orange) | PmRA | -5.00 | PmDE | -55.0 | SAO | 166344 | ||||
HIP | 2572 | Tycho2 | 6417-00348-1 | HD | 2947 | GC | 646 | ||||
CD | CD-26 160 |
Tycho2 | 6417-00348-1 | Pflag | RAmdeg | 8.16410825 | DEmdeg | -25.35971438 | |||||
PmRA | -6.2 | PmDE | -54.1 | E RAmdeg | 4 | E DEmdeg | 5 | ||||
E pmRA | 1.1 | E pmDE | 1.1 | EpRAm | 1991.48 | EpDEm | 1991.17 | ||||
Num | 13 | Q RAmdeg | 0.8 | Q DEmdeg | 0.4 | Q pmRA | 0.8 | ||||
Q pmDE | 0.5 | BTmag | 8.249 | E BTmag | 0.016 | VTmag | 6.848 | ||||
E VTmag | 0.010 | Prox | 999 | TYC | T | HIP | 2572 | ||||
CCDM | RAdeg | 8.16412361 | DEdeg | -25.35958972 | EpRA 1990 | 1.83 | |||||
EpDE 1990 | 1.70 | E RAdeg | 4.1 | E DEdeg | 4.5 | Posflg | |||||
Corr | -0.2 |
SAO | 166344 | DelFlag | RA1950 | PmRA1950 | 0.0001 | ||||||
DE1950 | PmDE1950 | -0.042 | Vmag | 6.9 | SpType | K0 | |||||
Double code | Source | 70 | CatNum | 646 | DM | CD-26 160 | |||||
DMcomp | BDsup | HD | 2947 | M HD | 0 | ||||||
GC | 646 | RA1950rad | 0.13162766 | DE1950rad | -0.44740987 | PmRA2000 | 0.0002 | ||||
PmDE2000 | -0.047 |
Catalog | H | HIP | 2572 | Proxy | RAhms | 00 32 39.39 | |||||
DEdms | -25 21 34.5 | Vmag | 6.72 | VarFlag | R Vmag | H | |||||
RAdeg | 8.16413 | DEdeg | -25.3596 | AstroRef | Plx | 8.31 | |||||
CCDM | 00327-2522 | N CCDM | I | Nsys | 1 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 2947 | BD | |||||||
CD | CD-26 160 | CP | Dm number | -26 160 | VIred | 1.15 | |||||
SpType | K0/K1III | R SpType | Coord arcsec 2000 | 003239.39-252134.5 |
HIP | 2572 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 0.1424908781 | DErad | -0.4426082078 | Plx | 7.48 | PmRA | -5.01 | ||||
PmDE | -54.51 | E RArad | 0.37 | E DErad | 0.29 | E Plx | 0.45 | ||||
E pmRA | 0.59 | E pmDE | 0.36 | Hpmag | 6.8862 | E Hpmag | 0.001 | ||||
SHp | 0.008 | VA | 0 | BV | 1.176 | E BV | 0.008 | ||||
VI | 1.14 |
Ccdm | 00327-2522 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -2.61 | DDEs | 25.4 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 6.9 | Sp | K0 | PmNote | * | ||||
PmRA | -4 | PmDE | -48 | Dm number | -26 160 | Cat1 | CD | ||||
Name2 | 166344 | Cat2 | SAO | HD | 2947 | M HD | |||||
ADS BDS | A 456 | M ADS BDS | N IDS | IDS | 00277S2555A | ||||||
HIC | 2572 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 003239.36-252151.8 | Mag | 11.4 | PmRA | 80.00 | ||||
PmDE | -3.0 | Calc delta mag | 4.55 | Calc coord | yes |
Ccdm | 00327-2522 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | HJ 3442 | DRAs | DDEs | |||||||
R dRAs | Year | 1948 | Theta | 196 | Rho | 21.9 | |||||
Obs | 3 | Vmag | 11.0 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 456 | M ADS BDS | N IDS | IDS | 00277S2555B | ||||||
HIC |