Coord 2000 | 08498+3045 | Discov num | BKO 398 | Comp | BC | Coord arcsec 2000 | 08 49 48.08 +30 44 49.3 | ||||
Date first | 1999 | Date last | 2016 | Obs | 10 | ||||||
Pa first | 308 | Pa last | 307.5 | P.A. Now (θ) | 307.5° | ||||||
Sep first | 7.0 | Sep last | 6.943 | Sep. Now (ρ) | 6.943" | ||||||
Mag pri | 11.10 | Mag sec | 14.50 | delta mag (ΔM) | 3.4 | Spectral class | |||||
Pri motion ra | -013 | Sec motion ra | |||||||||
Pri motion dec | -006 | Sec motion dec | |||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 08 49 49 +30 44 32 | SEI 510 AB | 2015 | 15 | 322 | 21.7 | 11.12 | 11.18 | 0.06 | ||||
Show | 08 49 48 +30 44 49 | BKO 398 BC | 2016 | 10 | 308 | 6.9 | 11.10 | 14.50 | 3.40 | <=== |
Constellation | Cancer | Gaia DR2 | 706559233005844864 |
refcode | metd | author | reference |
Bko2002 | C - | Ladanyi, T. & Berko, E. | ................... |
Bko2002 | Webb Soc., Double Star Circ. 10, 2002 | ||
Bko2003 | C u | Ladanyi, T., Berko, E. & Vaskuti, G | ................... |
Bko2003 | Webb Soc., Double Star Circ. 11, 2003 | ||
Bko2004 | C u | Berko, E., Ladanyi, T. & Vaskuti, G | ................... |
Bko2004 | Webb Soc., Double Star Circ. 12, 2004 | ||
Bko2005 | C u | Berko, E., Ladanyi, T. & Vaskuti, G | ................... |
Bko2005 | Webb Soc., Double Star Circ. 13, 2005 | ||
Bko2008 | C u | Berko, E. & Vaskuti, G. | ................... |
Bko2008 | Webb Soc., Double Star Circ. 16, 2008 | ||
Bko2008b | C u | Berko, E. | 2008JDSO....4..144B |
Bko2008b | JDSO 4, 144, 2008 | ||
Bko2009 | C u | Berko, E. | 2009JDSO....5...49B |
Bko2009 | JDSO 5, 49, 2009 | ||
Bko2009b | C u | Berko, E. | 2009JDSO....5..168B |
Bko2009b | JDSO 5, 168, 2009 | ||
Bko2009c | C u | Berko, E. | ................... |
Bko2009c | Webb Soc., Double Star Circ. 17, 2009 | ||
Bko2009d | C u | Berko, E. | 2009JDSO....5..189B |
Bko2009d | JDSO 5, 189, 2009 | ||
Bko2010a | C u | Berko, E. | 2010JDSO....6...21B |
Bko2010a | JDSO 6, 21, 2010 | ||
Bko2010b | C u | Berko, E. | ................... |
Bko2010b | Webb Soc., Double Star Circ. 18, 2010 | ||
Bko2011a | C u | Berko, E. | 2011JDSO....7....2B |
Bko2011a | JDSO 7, 2, 2011 | ||
Bko2011b | C u | Berko, E. | ................... |
Bko2011b | Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980) | ||
Bko2011c | C u | Berko, E. | ................... |
Bko2011c | Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042) | ||
Bko2012 | C u | Berko, E. | ................... |
Bko2012 | Webb Soc., Double Star Circ. 20, 2012 | ||
Sei1908 | Pa - | Scheiner, J. | 1908POPot..59.....S |
Sei1908 | +Po | Pub. Obs. Potsdam 20, #59, 1908 | |
Sei1913A | Pa - | Scheiner, J. | 1913QB811.B8....... |
Sei1913A | cited by Burnham (Carnegie Inst. Wash. #168, 1913) | ||
Sei1932A | Pa - | Scheiner, J. | 1932QB821.A43...... |
Sei1932A | 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 |
08498+3045 | BKO 398 | BC | 2007 | 1 | 306 | 6.9 | 11.10 | 14.50 | 084948.08+304449.3 | ||
08498+3045 | BKO 398 | BC | 2015 | 5 | 308 | 6.9 | 11.10 | 14.50 | 084948.08+304449.3 | ||
08498+3045 | BKO 398 | BC | 2016 | 10 | 308 | 6.9 | 11.10 | 14.50 | 084948.08+304449.3 |
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 | |
B | pa=322.4° sep=21.57" | |
C | pa=320.0° sep=27.83" | pa=311.8° sep=6.35" |
Coord arcsec 2000 | 084949.10+304432.2 | Mag | 11.12 | Spectral class | G0 (yellow) | PmRA | 0.00 | ||||
PmDE | -6.0 | Tycho2 | 2485-01216-1 |
Tycho2 | 2485-01216-1 | Pflag | RAmdeg | 132.45458911 | DEmdeg | 30.74227035 | |||||
PmRA | -1.3 | PmDE | -5.7 | E RAmdeg | 46 | E DEmdeg | 53 | ||||
E pmRA | 1.7 | E pmDE | 1.8 | EpRAm | 1979.86 | EpDEm | 1975.44 | ||||
Num | 6 | Q RAmdeg | 1.0 | Q DEmdeg | 0.7 | Q pmRA | 1.1 | ||||
Q pmDE | 0.7 | BTmag | 11.555 | E BTmag | 0.084 | VTmag | 11.118 | ||||
E VTmag | 0.095 | Prox | 215 | TYC | T | HIP | |||||
CCDM | RAdeg | 132.45459611 | DEdeg | 30.74228472 | EpRA 1990 | 1.67 | |||||
EpDE 1990 | 1.51 | E RAdeg | 50.9 | E DEdeg | 61.1 | Posflg | |||||
Corr | 0.2 |
Ccdm | 08498+3045 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | 0.14 | DDEs | -11.5 | ||||||
R dRAs | 10 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 11.2 | Sp | G | PmNote | * | ||||
PmRA | 1 | PmDE | -15 | Dm number | +31 1887 | Cat1 | BD | ||||
Name2 | +30 935 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | M ADS BDS | N IDS | IDS | 08437N3107A | |||||||
HIC |
Coord arcsec 2000 | 084948.08+304449.3 | Coord calc | 084948.08+304449.3 | Mag | 11.1 | PmRA | -13.00 | ||||
PmDE | -6.0 | Calc delta mag | 0.02 |
Ccdm | 08498+3045 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | SEI 510 | DRAs | 1.08 | DDEs | -29.0 | |||||
R dRAs | 10 | Year | 1894 | Theta | 144 | Rho | 20.6 | ||||
Obs | 1 | Vmag | 11.2 | Sp | G | PmNote | * | ||||
PmRA | -3 | PmDE | -23 | Dm number | Cat1 | ||||||
Name2 | +30 936 | Cat2 | AGK2/3 | HD | M HD | ||||||
ADS BDS | M ADS BDS | N IDS | IDS | 08437N3107B | |||||||
HIC |
Coord arcsec 2000 | 084947.71+304453.5 | Mag | 14.5 | Calc delta mag | 3.38 | Calc coord | yes |