Coord 2000 | 19470+2710 | Discov num | BKO 81 | Comp | AC | Coord arcsec 2000 | 19 46 59.26 +27 09 40.4 | ||||
Date first | 1999 | Date last | 2015 | Obs | 5 | ||||||
Pa first | 173 | Pa last | 172.7 | P.A. Now (θ) | 172.7° | ||||||
Sep first | 84.7 | Sep last | 84.736 | Sep. Now (ρ) | 84.736" | ||||||
Mag pri | 11.39 | Mag sec | 12.65 | delta mag (ΔM) | 1.26 | Spectral class | |||||
Pri motion ra | +001 | Sec motion ra | -016 | ||||||||
Pri motion dec | -001 | Sec motion dec | -007 | ||||||||
Notes |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 19 46 59 +27 09 40 | TDT 1740 Aa,Ab | 1991 | 1 | 228 | 1.7 | 11.43 | 13.00 | 1.57 | ||||
Show | 19 46 59 +27 09 40 | OSB 7 AB | 2015 | 7 | 347 | 9.9 | 11.50 | 12.90 | 1.40 | ||||
Show | 19 46 59 +27 09 40 | BKO 81 AC | 2015 | 5 | 173 | 84.7 | 11.39 | 12.65 | 1.26 | <=== | |||
Show | 19 47 00 +27 08 16 | BKO 81 CD | 2015 | 9 | 347 | 7.6 | 12.90 | 15.20 | 2.30 |
Constellation | Vulpecula | Tycho2 | 2147-01026-1 | Gaia DR2 | 2027884515532324480 | HD | 338870 |
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 | ||
Osb1970 | Po j | Osborn, W.H. | 1970A&A.....9..475O |
Osb1970 | A&A 9, 475, 1970 | ||
Osb1996 | O j | Hill, J. & Osborn, W. | 1996IAPPP..64...54H |
Osb1996 | International Amateur-Professional Photoelectric Photometry Comm., No. 64, | ||
Osb1996 | p.54, 1996 (photoelectric occultation obs. with Celestron-14) | ||
Osb1999 | Hf - | Osborn, W.H. & Hershey, J.L. | 1999PASP..111..566O |
Osb1999 | PASP 111, 566, 1999 | ||
Osb2006 | Mb u | Smolinski, J. & Osborn, W. | 2006RMxAC..25...65S |
Osb2006 | RevMexA&A (Serie de Conferencias) 25, 65-68, 2006 |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
19470+2710 | BKO 81 | AC | 2002 | 2 | 173 | 84.6 | 11.46 | 12.90 | D | 194659.26+270940.4 | |
19470+2710 | BKO 81 | AC | 2012 | 4 | 173 | 85.5 | 11.50 | 12.90 | D | 194659.26+270940.4 | |
19470+2710 | BKO 81 | AC | 2015 | 5 | 173 | 84.7 | 11.39 | 12.65 | 194659.26+270940.4 |
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 | Ab | B | C | |
Ab | pa=224.3° sep=1.56" | |||
B | pa=348.8° sep=9.86" | pa=355.6° sep=10.82" | ||
C | pa=172.7° sep=84.69" | pa=171.8° sep=83.73" | pa=172.3° sep=94.53" | |
D | pa=173.1° sep=77.15" | pa=172.2° sep=76.18" | pa=172.6° sep=86.98" | pa=347.9° sep=7.57" |
Coord arcsec 2000 | 194659.26+270940.4 | Mag | 11.5 | PmRA | 1.00 | PmDE | -1.0 | ||||
Tycho2 | 2147-01026-1 | HD | 338870 |
Tycho2 | 2147-01026-1 | Pflag | RAmdeg | 296.74690515 | DEmdeg | 27.16124373 | |||||
PmRA | 3.5 | PmDE | 1.2 | E RAmdeg | 42 | E DEmdeg | 30 | ||||
E pmRA | 2.6 | E pmDE | 2.5 | EpRAm | 1988.32 | EpDEm | 1990.05 | ||||
Num | 3 | Q RAmdeg | 0.4 | Q DEmdeg | 0.6 | Q pmRA | 0.4 | ||||
Q pmDE | 0.6 | BTmag | 11.833 | E BTmag | 0.054 | VTmag | 11.463 | ||||
E VTmag | 0.065 | Prox | 999 | TYC | T | HIP | |||||
CCDM | RAdeg | 296.74689611 | DEdeg | 27.16124083 | EpRA 1990 | 1.64 | |||||
EpDE 1990 | 1.76 | E RAdeg | 42.5 | E DEdeg | 30.0 | Posflg | |||||
Corr | 0.2 |
Coord arcsec 2000 | 194659.18+270939.3 | Mag | 13 | PmRA | 4.00 | PmDE | 1.0 | ||||
Calc delta mag | 1.57 | Calc coord | yes |
Coord arcsec 2000 | 194659.12+270950.1 | Mag | 12.9 | PmRA | -11.00 | PmDE | 8.0 | ||||
Calc delta mag | 1.47 | Calc coord | yes |
Coord arcsec 2000 | 194700.07+270816.4 | Coord calc | 194700.07+270816.4 | Mag | 12.9 | PmRA | -16.00 | ||||
PmDE | -7.0 | Calc delta mag | 1.47 |
Coord arcsec 2000 | 194659.95+270823.8 | Mag | 15.2 | Calc delta mag | 3.77 | Calc coord | yes |