Coord 2000 | 20052+4923 | Discov num | ABH 128 | Comp | AI | Coord arcsec 2000 | 20 05 17.06 +49 23 55.3 | ||||
Date first | 1987 | Date last | 2015 | Obs | 8 | ||||||
Pa first | 250 | Pa last | 249.8 | P.A. Now (θ) | 249.8° | ||||||
Sep first | 104.1 | Sep last | 103.387 | Sep. Now (ρ) | 103.387" | ||||||
Mag pri | 10.87 | Mag sec | 15.20 | delta mag (ΔM) | 4.33 | Spectral class | K2III (yellow-orange) | ||||
Pri motion ra | -002 | Sec motion ra | -001 | ||||||||
Pri motion dec | -015 | Sec motion dec | +000 | ||||||||
Notes | U (Proper motion indicates non-physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 20 05 17 +49 23 55 | HJ 1481 AB | 2015 | 18 | 6 | 18.1 | 10.87 | 10.76 | 0.11 | ||||
Show | 20 05 17 +49 23 55 | HJ 1481 AC | 2015 | 16 | 272 | 27.4 | 10.87 | 10.53 | 0.34 | ||||
Show | 20 05 17 +49 23 55 | ABH 128 AD | 2015 | 8 | 104 | 118.5 | 10.87 | 14.17 | 3.30 | ||||
Show | 20 05 17 +49 23 55 | ABH 128 AE | 2015 | 8 | 104 | 104.9 | 10.87 | 14.10 | 3.23 | ||||
Show | 20 05 17 +49 23 55 | ABH 128 AF | 2015 | 8 | 38 | 78.2 | 10.87 | 15.13 | 4.26 | ||||
Show | 20 05 17 +49 23 55 | ABH 128 AG | 2015 | 8 | 318 | 81.1 | 10.87 | 15.50 | 4.63 | ||||
Show | 20 05 17 +49 23 55 | ABH 128 AH | 2015 | 8 | 256 | 100.8 | 10.87 | 15.20 | 4.33 | ||||
Show | 20 05 17 +49 23 55 | ABH 128 AI | 2015 | 8 | 250 | 103.4 | 10.87 | 15.20 | 4.33 | <=== | |||
Show | 20 05 17 +49 24 13 | ARN 9002 BC | 2015 | 15 | 240 | 33.8 | 10.76 | 10.53 | 0.23 |
Constellation | Cygnus | Tycho2 | 3567-00926-1 | Gaia DR2 | 2087736323586080256 | DM | BD+48 3024 |
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 | ||
Arn2001 | Mg j | Arnold, D. | 2001DSO.....7....4A |
Arn2001 | Double Star Observer 7, #4, 2001 | ||
Arn2002a | Mg j | Arnold, D. | 2002DSO.....8....1A |
Arn2002a | Double Star Observer 8, #1, 2002 | ||
Arn2002b | Mg - | Arnold, D. | 2002DSO.....8....3A |
Arn2002b | Double Star Observer 8, #3, 2002 | ||
Arn2002c | Mg j | Arnold, D. | 2002DSO.....8....4A |
Arn2002c | Double Star Observer 8, #4, 2002 | ||
Arn2002d | Mg j | Arnold, D. | 2002DSO.....8....5A |
Arn2002d | Double Star Observer 8, #5, 2002 | ||
Arn2003a | Mg j | Arnold, D. | 2003DSO.....9....1A |
Arn2003a | Double Star Observer 9, #1, 2003 | ||
Arn2003b | Mg j | Arnold, D. | 2003DSO.....9....3A |
Arn2003b | Double Star Observer 9, #3, 2003 | ||
Arn2003c | Mg j | Arnold, D. | 2003DSO.....9....4A |
Arn2003c | Double Star Observer 9, #4, 2003 | ||
Arn2003d | Mg j | Arnold, D. | 2003DSO.....9....5A |
Arn2003d | Double Star Observer 9, #5, 2003 | ||
Arn2003e | Mg j | Arnold, D. | 2003DSO.....9....6A |
Arn2003e | Double Star Observer 9, #6, 2003 | ||
Arn2004a | Mg j | Arnold, D. | 2004DSO....10....1A |
Arn2004a | Double Star Observer 10, #1, 2004 | ||
Arn2004b | Mg j | Arnold, D. | 2004DSO....10....2A |
Arn2004b | Double Star Observer 10, #2, 2004 | ||
Arn2004c | Mg j | Arnold, D. | 2004DSO....10....3A |
Arn2004c | Double Star Observer 10, #3, 2004 | ||
Arn2004d | Mg j | Arnold, D. | 2004DSO....10....4A |
Arn2004d | Double Star Observer 10, #4, 2004 | ||
Arn2004e | Mg j | Arnold, D. | 2004DSO....10....5A |
Arn2004e | Double Star Observer 10, #5, 2004 | ||
Arn2004f | Mg j | Arnold, D. | 2004DSO....10....6A |
Arn2004f | Double Star Observer 10, #6, 2004 | ||
Arn2005a | Mg j | Arnold, D. | 2005DSO....11....1A |
Arn2005a | Double Star Observer 11, #1, 2005 | ||
Arn2005b | Mg j | Arnold, D. | 2005DSO....11....2A |
Arn2005b | Double Star Observer 11, #2, 2005 | ||
Arn2005c | Mg j | Arnold, D. | 2005DSO....11....3A |
Arn2005c | Double Star Observer 11, #3, 2005 | ||
Arn2005d | Mg j | Arnold, D. | 2005DSO....11....4A |
Arn2005d | Double Star Observer 11, #4, 2005 | ||
Arn2005e | Mg j | Arnold, D. | 2005DSO....11....5A |
Arn2005e | Double Star Observer 11, #5, 2005 | ||
Arn2005f | Mg j | Arnold, D. | 2005DSO....11....6A |
Arn2005f | Double Star Observer 11, #6, 2005 | ||
Arn2006a | Mg j | Arnold, D. | 2006JDSO....2....6A |
Arn2006a | +C | JDSO 2, 6, 2006 | |
Arn2006b | Mg j | Arnold, D. | 2006JDSO....2...13A |
Arn2006b | JDSO 2, 13, 2006 | ||
Arn2006c | Mg j | Arnold, D. | 2006JDSO....2...54A |
Arn2006c | JDSO 2, 54, 2006 | ||
Arn2006d | Mg j | Arnold, D. | 2006JDSO....2...61A |
Arn2006d | JDSO 2, 61, 2006 | ||
Arn2006e | Mg j | Arnold, D. | 2006JDSO....2...79A |
Arn2006e | JDSO 2, 79, 2006 | ||
Arn2006f | Mg j | Arnold, D. | 2006JDSO....2...87A |
Arn2006f | JDSO 2, 87, 2006 | ||
Arn2006g | Mg j | Arnold, D. | 2006JDSO....2..163A |
Arn2006g | +C | JDSO 2, 163, 2006 | |
Arn2007a | Mg j | Arnold, D. | 2007JDSO....3...27A |
Arn2007a | JDSO 3, 27, 2007 | ||
Arn2007b | Mg j | Arnold, D. | 2007JDSO....3...55A |
Arn2007b | JDSO 3, 55, 2007 | ||
Arn2007c | Mg j | Arnold, D. | 2007JDSO....3..119A |
Arn2007c | JDSO 3, 119, 2007 | ||
Arn2007d | Mg j | Arnold, D. | 2007JDSO....3..139A |
Arn2007d | JDSO 3, 139, 2007 | ||
Arn2008a | Mg j | Arnold, D. | 2008JDSO....4....2A |
Arn2008a | JDSO 4, 2, 2008 | ||
Arn2008b | Mg j | Arnold, D. | 2008JDSO....4...66A |
Arn2008b | JDSO 4, 66, 2008 | ||
Arn2008c | Mg j | Arnold, D. | 2008JDSO....4...91A |
Arn2008c | JDSO 4, 91, 2008 | ||
Arn2008d | Mg j | Arnold, D. | 2008JDSO....4..136A |
Arn2008d | JDSO 4, 136, 2008 | ||
Arn2009a | Mg j | Arnold, D. | 2009JDSO....5....2A |
Arn2009a | JDSO 5, 2, 2009 | ||
Arn2009b | Mg j | Arnold, D. | 2009JDSO....5...94A |
Arn2009b | JDSO 5, 94, 2009 | ||
Arn2009c | Mg j | Arnold, D. | 2009JDSO....5..129A |
Arn2009c | JDSO 5, 129, 2009 | ||
Arn2009d | Mg j | Arnold, D. | 2009JDSO....5..182A |
Arn2009d | JDSO 5, 182, 2009 | ||
Arn2010a | Mg j | Arnold, D. | 2010JDSO....6....5A |
Arn2010a | JDSO 6, 5, 2010 | ||
Arn2010b | Mg j | Arnold, D. | 2010JDSO....6..141A |
Arn2010b | JDSO 6, 141, 2010 | ||
Arn2010c | Mg j | Arnold, D. | 2010JDSO....6..170A |
Arn2010c | JDSO 6, 170, 2010 | ||
Arn2010d | Mg j | Arnold, D. | 2010JDSO....6..301A |
Arn2010d | JDSO 6, 301, 2010 | ||
Arn2012a | Mg j | Arnold, D. | 2012JDSO....8...32A |
Arn2012a | JDSO 8, 32, 2012 | ||
Arn2012b | Mg - | Arnold, D. | 2012JDSO....8..176A |
Arn2012b | JDSO 8, 176, 2012 | ||
Arn2012c | Mg j | Arnold, D. | 2012JDSO....8..226A |
Arn2012c | JDSO 8, 226, 2012 | ||
Arn2013a | Mg j | Arnold, D. | 2013JDSO....9...10A |
Arn2013a | JDSO 9, 10, 2013 | ||
Arn2013b | M j | Arnold, D. | 2013JDSO....9..100A |
Arn2013b | JDSO 9, 100, 2013 | ||
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 |
20052+4923 | ABH 128 | AI | 1999 | 2 | 250 | 103.6 | 10.87 | 15.20 | K2III | D | 200517.06+492355.3 |
20052+4923 | ABH 128 | AI | 2003 | 3 | 250 | 103.6 | 10.87 | 15.20 | K2III | UD | 200517.06+492355.3 |
20052+4923 | ABH 128 | AI | 2015 | 4 | 250 | 103.4 | 10.87 | 15.20 | K2III | U | 200517.06+492355.3 |
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=6.5° sep=18.02" | |||||||
C | pa=273.5° sep=17.84" | pa=229.8° sep=26.01" | ||||||
D | pa=111.2° sep=80.19" | pa=122.9° sep=86.54" | pa=108.0° sep=97.34" | |||||
E | pa=111.2° sep=71.04" | pa=124.2° sep=77.59" | pa=107.7° sep=88.20" | pa=291.2° sep=9.15" | ||||
F | pa=27.1° sep=69.04" | pa=34.0° sep=52.56" | pa=39.2° sep=77.91" | pa=334.4° sep=100.32" | pa=338.3° sep=93.86" | |||
G | pa=329.3° sep=69.66" | pa=318.1° sep=56.38" | pa=343.2° sep=61.42" | pa=308.9° sep=141.71" | pa=310.1° sep=133.01" | pa=268.7° sep=67.06" | ||
H | pa=249.0° sep=68.17" | pa=237.2° sep=78.14" | pa=240.9° sep=52.46" | pa=271.9° sep=138.49" | pa=270.6° sep=129.89" | pa=227.9° sep=128.13" | pa=198.4° sep=88.83" | |
I | pa=240.5° sep=72.54" | pa=230.6° sep=84.40" | pa=230.9° sep=58.39" | pa=267.2° sep=138.06" | pa=265.6° sep=129.75" | pa=224.2° sep=135.61" | pa=196.1° sep=99.48" | pa=177.4° sep=11.32" |
Coord arcsec 2000 | 200517.06+492355.3 | Mag | 10.87 | Spectral class | K2III (yellow-orange) | PmRA | -2.00 | ||||
PmDE | -15.0 | Tycho2 | 3567-00926-1 | DM | BD+48 3024 |
Tycho2 | 3567-00926-1 | Pflag | RAmdeg | 301.32111033 | DEmdeg | 49.39871743 | |||||
PmRA | -3.8 | PmDE | -15.0 | E RAmdeg | 33 | E DEmdeg | 34 | ||||
E pmRA | 2.9 | E pmDE | 2.6 | EpRAm | 1986.61 | EpDEm | 1986.06 | ||||
Num | 4 | Q RAmdeg | 1.6 | Q DEmdeg | 1.4 | Q pmRA | 1.7 | ||||
Q pmDE | 1.4 | BTmag | 12.363 | E BTmag | 0.183 | VTmag | 10.874 | ||||
E VTmag | 0.065 | Prox | 179 | TYC | T | HIP | |||||
CCDM | RAdeg | 301.32109028 | DEdeg | 49.39875917 | EpRA 1990 | 1.58 | |||||
EpDE 1990 | 1.69 | E RAdeg | 49.7 | E DEdeg | 52.9 | Posflg | |||||
Corr | 0.0 |
Coord arcsec 2000 | 200517.27+492413.2 | Coord calc | 200517.27+492413.2 | Mag | 10.76 | PmRA | -6.00 | ||||
PmDE | -7.0 | Tycho2 | 3567-01782-1 | Calc delta mag | 0.11 |
Tycho2 | 3567-01782-1 | Pflag | RAmdeg | 301.32197924 | DEmdeg | 49.40365794 | |||||
PmRA | -5.6 | PmDE | -12.5 | E RAmdeg | 32 | E DEmdeg | 33 | ||||
E pmRA | 2.5 | E pmDE | 2.4 | EpRAm | 1986.70 | EpDEm | 1986.01 | ||||
Num | 4 | Q RAmdeg | 1.3 | Q DEmdeg | 1.5 | Q pmRA | 1.4 | ||||
Q pmDE | 1.5 | BTmag | 12.101 | E BTmag | 0.130 | VTmag | 10.757 | ||||
E VTmag | 0.059 | Prox | 179 | TYC | T | HIP | |||||
CCDM | RAdeg | 301.32199056 | DEdeg | 49.40370250 | EpRA 1990 | 1.60 | |||||
EpDE 1990 | 1.66 | E RAdeg | 44.9 | E DEdeg | 49.4 | Posflg | |||||
Corr | 0.0 |
Coord arcsec 2000 | 200515.24+492356.4 | Mag | 10.53 | PmRA | -2.00 | PmDE | 6.0 | ||||
Tycho2 | 3567-00737-1 | Calc delta mag | 0.34 | Calc coord | yes |
Tycho2 | 3567-00737-1 | Pflag | RAmdeg | 301.30940229 | DEmdeg | 49.39893532 | |||||
PmRA | -5.4 | PmDE | 5.3 | E RAmdeg | 29 | E DEmdeg | 30 | ||||
E pmRA | 2.5 | E pmDE | 2.4 | EpRAm | 1987.36 | EpDEm | 1986.93 | ||||
Num | 4 | Q RAmdeg | 0.9 | Q DEmdeg | 1.4 | Q pmRA | 0.9 | ||||
Q pmDE | 1.4 | BTmag | 11.891 | E BTmag | 0.095 | VTmag | 10.532 | ||||
E VTmag | 0.047 | Prox | 274 | TYC | T | HIP | |||||
CCDM | RAdeg | 301.30941222 | DEdeg | 49.39890944 | EpRA 1990 | 1.57 | |||||
EpDE 1990 | 1.67 | E RAdeg | 38.7 | E DEdeg | 40.5 | Posflg | |||||
Corr | -0.1 |
Coord arcsec 2000 | 200524.72+492326.2 | Mag | 14.17 | PmRA | 0.00 | PmDE | -10.0 | ||||
Calc delta mag | 3.3 | Calc coord | yes |
Coord arcsec 2000 | 200523.84+492329.6 | Mag | 14.1 | PmRA | -16.00 | PmDE | -4.0 | ||||
Calc delta mag | 3.23 | Calc coord | yes |
Coord arcsec 2000 | 200520.28+492456.8 | Mag | 15.13 | PmRA | 4.00 | PmDE | 7.0 | ||||
Calc delta mag | 4.26 | Calc coord | yes |
Coord arcsec 2000 | 200513.41+492455.2 | Mag | 15.5 | PmRA | -8.00 | PmDE | 1.0 | ||||
Calc delta mag | 4.63 | Calc coord | yes |
Coord arcsec 2000 | 200510.54+492330.9 | Mag | 15.2 | PmRA | -1.00 | PmDE | 7.0 | ||||
Calc delta mag | 4.33 | Calc coord | yes |
Coord arcsec 2000 | 200510.59+492319.6 | Mag | 15.2 | PmRA | -1.00 | PmDE | 0.0 | ||||
Calc delta mag | 4.33 | Calc coord | yes |