Coord 2000 | 23153+5500 | Discov num | HJ 1861 | Comp | AB | Coord arcsec 2000 | 23 15 17.31 +55 01 23.0 | ||||
Date first | 1828 | Date last | 2015 | Obs | 14 | ||||||
Pa first | 266 | Pa last | 257.5 | P.A. Now (θ) | 257.5° | ||||||
Sep first | 10.0 | Sep last | 18.334 | Sep. Now (ρ) | 18.334" | ||||||
Mag pri | 10.12 | Mag sec | 12.00 | delta mag (ΔM) | 1.88 | Spectral class | F0V (yellow-white) | ||||
Pri motion ra | +013 | Sec motion ra | -003 | ||||||||
Pri motion dec | +008 | Sec motion dec | +001 | ||||||||
Notes | U (Proper motion indicates non-physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 23 15 17 +55 01 23 | HJ 1861 AB | 2015 | 14 | 258 | 18.3 | 10.12 | 12.00 | 1.88 | <=== | |||
Show | 23 15 17 +55 01 23 | ABH 169 AD | 2015 | 9 | 158 | 53.0 | 10.12 | 12.85 | 2.73 | ||||
Show | 23 15 17 +55 01 23 | ABH 169 AE | 2015 | 8 | 309 | 35.6 | 10.12 | 14.40 | 4.28 | ||||
Show | 23 15 17 +55 01 23 | ABH 169 AF | 2015 | 8 | 238 | 119.9 | 10.12 | 14.00 | 3.88 | ||||
Show | 23 15 17 +55 01 23 | ABH 169 AG | 2015 | 8 | 238 | 104.7 | 10.12 | 13.80 | 3.68 | ||||
Show | 23 15 17 +55 01 23 | ABH 169 AH | 2015 | 8 | 242 | 105.1 | 10.12 | 14.20 | 4.08 | ||||
Show | 23 15 17 +55 01 23 | ABH 169 AI | 2015 | 8 | 231 | 72.7 | 10.12 | 14.91 | 4.79 | ||||
Show | 23 15 15 +55 01 19 | HJ 1861 BC | 2015 | 10 | 110 | 5.5 | 12.00 | 12.50 | 0.50 |
Constellation | Cassiopeia | Tycho2 | 4002-00474-1 | Gaia DR2 | 1996861932371603584 |
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 | ||
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 |
23153+5500 | HJ 1861 | AB | 2000 | 7 | 258 | 18.1 | 10.12 | 12.00 | F0V | D | 231517.31+550123.0 |
23153+5500 | HJ 1861 | AB | 2009 | 9 | 256 | 17.9 | 10.12 | 12.00 | F0V | D | 231517.31+550123.0 |
23153+5500 | HJ 1861 | AB | 2015 | 11 | 258 | 18.3 | 10.12 | 12.00 | F0V | U | 231517.31+550123.0 |
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 | C | D | E | F | G | H | |
B | pa=257.9° sep=18.12" | |||||||
C | pa=249.0° sep=15.79" | pa=122.0° sep=3.51" | ||||||
D | pa=167.0° sep=50.47" | pa=147.4° sep=53.88" | pa=149.1° sep=50.74" | |||||
E | pa=324.2° sep=27.32" | pa=3.8° sep=26.02" | pa=357.5° sep=27.85" | pa=339.0° sep=76.39" | ||||
F | pa=222.9° sep=85.95" | pa=214.5° sep=71.87" | pa=217.3° sep=72.11" | pa=258.8° sep=71.18" | pa=206.5° sep=95.17" | |||
G | pa=223.0° sep=75.03" | pa=213.2° sep=61.06" | pa=216.5° sep=61.23" | pa=264.8° sep=62.76" | pa=204.5° sep=84.70" | pa=42.1° sep=10.92" | ||
H | pa=227.6° sep=72.24" | pa=218.5° sep=57.32" | pa=221.9° sep=57.83" | pa=270.4° sep=64.73" | pa=207.8° sep=80.11" | pa=19.6° sep=15.20" | pa=340.2° sep=6.60" | |
I | pa=215.6° sep=55.90" | pa=199.6° sep=44.21" | pa=204.1° sep=43.59" | pa=274.9° sep=44.03" | pa=193.8° sep=69.62" | pa=56.0° sep=31.32" | pa=63.1° sep=20.88" | pa=81.2° sep=21.10" |
Coord arcsec 2000 | 231517.31+550123.0 | Mag | 10.12 | Spectral class | F0V (yellow-white) | PmRA | 13.00 | ||||
PmDE | 8.0 | Tycho2 | 4002-00474-1 |
Tycho2 | 4002-00474-1 | Pflag | RAmdeg | 348.82214420 | DEmdeg | 55.02307013 | |||||
PmRA | 15.0 | PmDE | 11.4 | E RAmdeg | 20 | E DEmdeg | 19 | ||||
E pmRA | 2.4 | E pmDE | 2.3 | EpRAm | 1990.23 | EpDEm | 1989.45 | ||||
Num | 4 | Q RAmdeg | 1.4 | Q DEmdeg | 1.5 | Q pmRA | 1.4 | ||||
Q pmDE | 1.5 | BTmag | 10.522 | E BTmag | 0.034 | VTmag | 10.123 | ||||
E VTmag | 0.033 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 348.82208333 | DEdeg | 55.02303889 | EpRA 1990 | 1.61 | |||||
EpDE 1990 | 1.58 | E RAdeg | 20.9 | E DEdeg | 21.1 | Posflg | |||||
Corr | 0.1 |
Coord arcsec 2000 | 231515.25+550119.2 | Coord calc | 231515.25+550119.2 | Mag | 12 | PmRA | -3.00 | ||||
PmDE | 1.0 | Calc delta mag | 1.88 |
Coord arcsec 2000 | 231515.60+550117.3 | Mag | 12.5 | PmRA | 3.00 | PmDE | -16.0 | ||||
Calc delta mag | 2.38 | Calc coord | yes |
Coord arcsec 2000 | 231518.63+550033.8 | Mag | 12.85 | PmRA | -4.00 | PmDE | -4.0 | ||||
Calc delta mag | 2.73 | Calc coord | yes |
Coord arcsec 2000 | 231515.45+550145.2 | Mag | 14.4 | PmRA | -11.00 | PmDE | 7.0 | ||||
Calc delta mag | 4.28 | Calc coord | yes |
Coord arcsec 2000 | 231510.51+550020.0 | Mag | 14 | PmRA | -4.00 | PmDE | -3.0 | ||||
Calc delta mag | 3.88 | Calc coord | yes |
Coord arcsec 2000 | 231511.36+550028.1 | Mag | 13.8 | PmRA | -7.00 | PmDE | 2.0 | ||||
Calc delta mag | 3.68 | Calc coord | yes |
Coord arcsec 2000 | 231511.10+550034.3 | Mag | 14.2 | Calc delta mag | 4.08 | Calc coord | yes |
Coord arcsec 2000 | 231513.53+550037.5 | Mag | 14.91 | PmRA | 0.00 | PmDE | -14.0 | ||||
Calc delta mag | 4.79 | Calc coord | yes |