Coord 2000 | 02422+4242 | Discov num | STT 44 | Comp | AB | Coord arcsec 2000 | 02 42 13.13 +42 41 57.2 | ||||
Date first | 1843 | Date last | 2018 | Obs | 58 | ||||||
Pa first | 58 | Pa last | 56.2 | P.A. Now (θ) | 56.2° | ||||||
Sep first | 1.4 | Sep last | 1.387 | Sep. Now (ρ) | 1.387" | ||||||
Mag pri | 8.46 | Mag sec | 8.96 | delta mag (ΔM) | 0.5 | Spectral class | B9Vp (blue-white) | ||||
Pri motion ra | -001 | Sec motion ra | -001 | ||||||||
Pri motion dec | -008 | Sec motion dec | -008 | ||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 16728 | 38254 | 02 42 13 +42 41 57 | STT 44 AB | 2018 | 58 | 56 | 1.4 | 8.46 | 8.96 | 0.50 | <=== | |
Show | 38254 | 02 42 13 +42 41 57 | STT 44 AC | 2017 | 14 | 290 | 87.2 | 8.47 | 8.32 | 0.15 | |||
Show | 38248 | 02 42 06 +42 42 27 | HJ 1124 CD | 2014 | 10 | 149 | 17.5 | 8.32 | 12.30 | 3.98 |
Name | HD 16728 | Constellation | Perseus | SAO | 38254 | HIP | 12619 | ||||
Tycho2 | 2853-01013-1 | Gaia DR2 | 337152875448699392 | HD | 16728 | BD | BD+42 598 | ||||
Distance | 248.14 | Distance ly | 809.43 |
discov_num | notes | refcode |
HJ 1124 | Aka BKO 172. |
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. | |
STTA | (O. Struve DD - Appendix list) | ................... | |
Stt1864 | Ma - | Struve, O. | 1864MNRAS..24..149S |
Stt1864 | MNRAS 24, 149, 1864 | ||
Stt1866 | orb - | Struve, O. | . |
Stt1866 | Bull. Imp. Acad. Sci. St. Petersburg, 1866 | ||
Stt1874 | orb - | Struve, O. | . |
Stt1874 | Compte Rendus 79, 1467, 1874 | ||
Stt1875 | orb - | Struve, O. | 1875MNRAS..35..367S |
Stt1875 | MNRAS 35, 367, 1875 | ||
Stt1878 | Ma - | Struve, O. | 1878ObPul...9....1S |
Stt1878 | Pulkova Observations 9, 1, 1878 | ||
Stt1879A | Ma - | Struve, O. | 1879Obs.....2..304G |
Stt1879A | cited by Gledhill (Obs 2, 304, 1879) | ||
Stt1879B | Ma - | Struve, O. | 1879Obs.....3..245G |
Stt1879B | cited by Gledhill (Obs 3, 245, 1879) | ||
Stt1879C | Ma - | Struve, O. | 1879Obs.....2..344G |
Stt1879C | cited by Gledhill (Obs 2, 344, 1879) | ||
Stt1880A | Ma - | Struve, O. | 1880Obs.....2..605H |
Stt1880A | cited by Hunt (Obs. 3, 605, 1880) | ||
Stt1880B | Ma - | Struve, O. | 1880Obs.....3..535G |
Stt1880B | cited by Gledhill (Obs 3, 535, 1880) | ||
Stt1880C | Ma - | Struve, O. | 1880MNRAS..40..497B |
Stt1880C | cited by Burnham (MNRAS 40, 497, 1880) | ||
Stt1884A | Ma - | Struve, O. | 1884AReg...22..216S |
Stt1884A | cited by Sadler (Astr. Register 22, 216, 1884) | ||
Stt1893a | Ma j | Struve, O. | 1893ObPul..10....1S |
Stt1893a | Pulkova Obs. Observations 10, 1, 1893 | ||
Stt1906A | Ma - | Struve, O. | 1906MmRAS..56....1L |
Stt1906A | cited by Lewis (MemRAS 56, 1, 1906) | ||
Stt1906B | Ma j | Struve, O. | 1906QB821.B972..... |
Stt1906B | cited in BDS (Burnham Double Star Cat., 1906) | ||
Stt1908A | Ma - | Struve, O. | 1908MNRAS..68..465B |
Stt1908A | cited by Barnard (MNRAS 68, 465, 1908) | ||
Stt1913A | Ma - | Struve, O. | 1913QB811.B8....... |
Stt1913A | cited by Burnham (Carnegie Inst. Wash. #168, 1913) | ||
Stt1914A | Ma - | Struve, O. | 1914AN....198..107R |
Stt1914A | cited by Rabe (AN 198, 107, 1914) | ||
Stt1932A | Ma - | Struve, O. | 1932QB821.A43...... |
Stt1932A | cited in ADS (Aitken Double Star Cat., 1932) |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
02422+4242 | STT 44 | AB | 1998 | 46 | 55 | 1.3 | 8.46 | 8.96 | B9Vp | D | 024213.13+424157.2 |
02422+4242 | STT 44 | AB | 2007 | 48 | 55 | 1.4 | 8.46 | 8.96 | B9Vp | D | 024213.13+424157.2 |
02422+4242 | STT 44 | AB | 2008 | 49 | 56 | 1.4 | 8.46 | 8.96 | B9Vp | D | 024213.13+424157.2 |
02422+4242 | STT 44 | AB | 2009 | 51 | 58 | 1.4 | 8.46 | 8.96 | B9Vp | D | 024213.13+424157.2 |
02422+4242 | STT 44 | AB | 2012 | 54 | 56 | 1.4 | 8.46 | 8.96 | B9Vp | N | 024213.13+424157.2 |
02422+4242 | STT 44 | AB | 2015 | 55 | 56 | 1.3 | 8.46 | 8.96 | B9Vp | N | 024213.13+424157.2 |
02422+4242 | STT 44 | AB | 2016 | 56 | 55 | 1.4 | 8.46 | 8.96 | B9Vp | N | 024213.13+424157.2 |
02422+4242 | STT 44 | AB | 2018 | 58 | 56 | 1.4 | 8.46 | 8.96 | B9Vp | N | 024213.13+424157.2 |
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. |
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A | B | C | |
B | pa=47.7° sep=1.15" | ||
C | pa=290.0° sep=86.22" | pa=289.3° sep=86.76" | |
D | pa=281.0° sep=75.79" | pa=280.3° sep=76.48" | pa=156.2° sep=16.41" |
Name | HD 16728 | Coord arcsec 2000 | 024213.13+424157.2 | Mag | 8.46 | Spectral class | B9Vp (blue-white) | ||||
PmRA | -1.00 | PmDE | -8.0 | SAO | 38254 | HIP | 12619 | ||||
Tycho2 | 2853-01013-1 | HD | 16728 | BD | BD+42 598 |
Tycho2 | 2853-01013-1 | Pflag | P | RAmdeg | 40.55485157 | DEmdeg | 42.69927882 | ||||
PmRA | -1.4 | PmDE | -8.0 | E RAmdeg | 8 | E DEmdeg | 8 | ||||
E pmRA | 1.5 | E pmDE | 1.4 | EpRAm | 1991.36 | EpDEm | 1991.30 | ||||
Num | 5 | Q RAmdeg | 0.6 | Q DEmdeg | 1.2 | Q pmRA | 0.7 | ||||
Q pmDE | 1.3 | BTmag | 8.434 | E BTmag | 0.018 | VTmag | 8.461 | ||||
E VTmag | 0.016 | Prox | 14 | TYC | T | HIP | 12619 | ||||
CCDM | A | RAdeg | 40.55472139 | DEdeg | 42.69923083 | EpRA 1990 | 1.70 | ||||
EpDE 1990 | 1.70 | E RAdeg | 7.7 | E DEdeg | 7.9 | Posflg | D | ||||
Corr | -0.2 |
SAO | 38254 | DelFlag | RA1950 | PmRA1950 | 0.0015 | ||||||
DE1950 | PmDE1950 | -0.046 | Vmag | 8.3 | SpType | B9 | |||||
Double code | Source | 4 | CatNum | 292 | DM | BD+42 598 | |||||
DMcomp | BDsup | HD | 16728 | M HD | 0 | ||||||
GC | RA1950rad | 0.69375728 | DE1950rad | 0.74152626 | PmRA2000 | 0.0015 | |||||
PmDE2000 | -0.05 |
Catalog | H | HIP | 12619 | Proxy | H | RAhms | 02 42 13.13 | ||||
DEdms | +42 41 57.2 | Vmag | 7.97 | VarFlag | R Vmag | G | |||||
RAdeg | 40.5547 | DEdeg | 42.6992 | AstroRef | A | Plx | 2.69 | ||||
CCDM | 02422+4242 | N CCDM | I | Nsys | 2 | Ncomp | 2 | ||||
MultFlag | C | Source | Qual | A | M HIP | AB | |||||
Theta | 56 | Rho | 1.408 | HD | 16728 | BD | BD+42 598 | ||||
CD | CP | Dm number | +42 598 | VIred | 0.01 | ||||||
SpType | B9Vp... | R SpType | Coord arcsec 2000 | 024213.13+424157.2 |
HIP | 12619 | Sn | 15 | So | 3 | Nc | 2 | ||||
RArad | 0.7078133947 | DErad | 0.7452421366 | Plx | 4.03 | PmRA | -0.89 | ||||
PmDE | -5.39 | E RArad | 1.35 | E DErad | 0.94 | E Plx | 1.49 | ||||
E pmRA | 1.44 | E pmDE | 1.46 | Hpmag | 7.9607 | E Hpmag | 0.0016 | ||||
SHp | 0.011 | VA | 0 | BV | -0.009 | E BV | 0.002 | ||||
VI | 0.01 |
Ccdm | 02422+4242 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 1.13 | DDEs | -1.9 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 4 | Vmag | 8.5 | Sp | B9 | PmNote | * | ||||
PmRA | -7 | PmDE | 11 | Dm number | +42 598 | Cat1 | BD | ||||
Name2 | +42 292 | Cat2 | AGK2/3 | HD | 16728 | M HD | |||||
ADS BDS | A 2052 | M ADS BDS | N IDS | IDS | 02358N4216A | ||||||
HIC | 12619 |
Coord arcsec 2000 | 024213.21+424158.0 | Mag | 8.96 | PmRA | -1.00 | PmDE | -8.0 | ||||
Tycho2 | 2853-01013-2 | Calc delta mag | 0.5 | Calc coord | yes |
Tycho2 | 2853-01013-2 | Pflag | P | RAmdeg | 40.55485157 | DEmdeg | 42.69927882 | ||||
PmRA | -1.4 | PmDE | -8.0 | E RAmdeg | 8 | E DEmdeg | 8 | ||||
E pmRA | 1.5 | E pmDE | 1.4 | EpRAm | 1991.36 | EpDEm | 1991.30 | ||||
Num | 5 | Q RAmdeg | 0.6 | Q DEmdeg | 1.2 | Q pmRA | 0.7 | ||||
Q pmDE | 1.3 | BTmag | 8.937 | E BTmag | 0.020 | VTmag | 8.957 | ||||
E VTmag | 0.020 | Prox | 14 | TYC | HIP | 12619 | |||||
CCDM | B | RAdeg | 40.55515139 | DEdeg | 42.69944306 | EpRA 1990 | 1.70 | ||||
EpDE 1990 | 1.70 | E RAdeg | 10.6 | E DEdeg | 10.8 | Posflg | D | ||||
Corr | -0.2 |
Ccdm | 02422+4242 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | STT 44 | DRAs | DDEs | |||||||
R dRAs | Year | 1959 | Theta | 055 | Rho | 1.4 | |||||
Obs | 20 | Vmag | 9.2 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 2052 | M ADS BDS | N IDS | IDS | 02358N4216B | ||||||
HIC | 12619 |
Coord arcsec 2000 | 024205.78+424226.7 | Coord calc | 024205.78+424226.7 | Mag | 8.32 | Spectral class | B8V (blue-white) | ||||
PmRA | 0.00 | PmDE | -5.0 | SAO | 38248 | HIP | 12606 | ||||
Tycho2 | 2853-00238-1 | HD | 16719 | BD | BD+42 591 | Calc delta mag | 0.14 |
Tycho2 | 2853-00238-1 | Pflag | RAmdeg | 40.52406436 | DEmdeg | 42.70741893 | |||||
PmRA | -0.6 | PmDE | -3.8 | E RAmdeg | 7 | E DEmdeg | 7 | ||||
E pmRA | 1.0 | E pmDE | 1.1 | EpRAm | 1990.94 | EpDEm | 1991.04 | ||||
Num | 8 | Q RAmdeg | 1.0 | Q DEmdeg | 0.6 | Q pmRA | 1.1 | ||||
Q pmDE | 0.6 | BTmag | 8.282 | E BTmag | 0.017 | VTmag | 8.325 | ||||
E VTmag | 0.015 | Prox | 863 | TYC | T | HIP | 12606 | ||||
CCDM | RAdeg | 40.52406639 | DEdeg | 42.70742778 | EpRA 1990 | 1.77 | |||||
EpDE 1990 | 1.73 | E RAdeg | 7.3 | E DEdeg | 7.1 | Posflg | |||||
Corr | -0.2 |
SAO | 38248 | DelFlag | RA1950 | PmRA1950 | 0.0003 | ||||||
DE1950 | PmDE1950 | -0.048 | Vmag | 8.5 | SpType | B8 | |||||
Double code | Source | 4 | CatNum | 289 | DM | BD+42 591 | |||||
DMcomp | BDsup | HD | 16719 | M HD | 0 | ||||||
GC | RA1950rad | 0.69321883 | DE1950rad | 0.74166761 | PmRA2000 | 0.0003 | |||||
PmDE2000 | -0.052 |
Catalog | H | HIP | 12606 | Proxy | RAhms | 02 42 05.78 | |||||
DEdms | +42 42 26.7 | Vmag | 8.35 | VarFlag | R Vmag | G | |||||
RAdeg | 40.5241 | DEdeg | 42.7074 | AstroRef | Plx | 2.25 | |||||
CCDM | 02422+4242 | N CCDM | I | Nsys | 2 | Ncomp | 1 | ||||
MultFlag | Source | Qual | M HIP | ||||||||
Theta | Rho | HD | 16719 | BD | BD+42 591 | ||||||
CD | CP | Dm number | +42 591 | VIred | 0.03 | ||||||
SpType | B8V | R SpType | Coord arcsec 2000 | 024205.78+424226.7 |
HIP | 12606 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 0.7072783832 | DErad | 0.7453852722 | Plx | 1.17 | PmRA | -0.82 | ||||
PmDE | -6.29 | E RArad | 0.86 | E DErad | 0.68 | E Plx | 1.15 | ||||
E pmRA | 0.78 | E pmDE | 1.01 | Hpmag | 8.3354 | E Hpmag | 0.0024 | ||||
SHp | 0.014 | VA | 0 | BV | 0.008 | E BV | 0.015 | ||||
VI | 0.03 |
Ccdm | 02422+4242 | RComp | Comp | C | Note1 | ||||||
Note2 | Discov num | STT 44 | DRAs | -6.34 | DDEs | 26.9 | |||||
R dRAs | 10 | Year | 1908 | Theta | 290 | Rho | 86.3 | ||||
Obs | 1 | Vmag | 8.0 | Sp | B8 | PmNote | * | ||||
PmRA | -19 | PmDE | -2 | Dm number | +42 591 | Cat1 | BD | ||||
Name2 | +42 289 | Cat2 | AGK2/3 | HD | 16719 | M HD | |||||
ADS BDS | A 2052 | M ADS BDS | N IDS | IDS | 02358N4216C | ||||||
HIC | 12606 |
Coord arcsec 2000 | 024206.38+424211.7 | Mag | 12.3 | PmRA | 10.00 | PmDE | -7.0 | ||||
Calc delta mag | 3.84 | Calc coord | yes |
Ccdm | 02422+4242 | RComp | C | Comp | D | Note1 | |||||
Note2 | Discov num | HJ 1124 | DRAs | DDEs | |||||||
R dRAs | Year | 1904 | Theta | 151 | Rho | 16.6 | |||||
Obs | 1 | Vmag | 11.6 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | A 2049 | M ADS BDS | N IDS | IDS | 02356N4217B | ||||||
HIC |