Coord 2000 | 15403+3019 | Discov num | BRT 253 | Comp | Coord arcsec 2000 | 15 40 16.99 +30 18 47.6 | |||||
Date first | 1902 | Date last | 2015 | Obs | 12 | ||||||
Pa first | 266 | Pa last | 268.2 | P.A. Now (θ) | 268.2° | ||||||
Sep first | 4.5 | Sep last | 5.445 | Sep. Now (ρ) | 5.445" | ||||||
Mag pri | 10.09 | Mag sec | 11.31 | delta mag (ΔM) | 1.22 | Spectral class | |||||
Pri motion ra | -015 | Sec motion ra | -015 | ||||||||
Pri motion dec | -001 | Sec motion dec | -002 | ||||||||
Notes | V (Proper motion indicates physical) |
Constellation | Corona Borealis | Tycho2 | 2571-01300-1 | Gaia DR2 | 1273264156075364736 |
refcode | metd | author | reference |
Brt1926a | Pa - | Barton, S.G. | 1926AJ.....36..155B |
Brt1926a | AJ 36, 155, 1926 (BRT 1 - BRT 62) | ||
Brt1926b | Pa j | Barton, S.G. | 1926AJ.....37...57B |
Brt1926b | AJ 37, 57, 1926 (BRT 63 - BRT 116) | ||
Brt1928 | Pa - | Barton, S.G. | 1928AJ.....38..168B |
Brt1928 | AJ 38, 168, 1928 (BRT 117 - BRT 230) | ||
Brt1929a | Pa - | Barton, S.G. | 1929AN....235..425B |
Brt1929a | AN 235, 425, 1929 (BRT 294 - BRT 322) | ||
Brt1929b | Pa - | Barton, S.G. | 1929AJ.....39...93B |
Brt1929b | AJ 39, 93, 1929 (BRT 231 - BRT 293) | ||
Brt1929c | Ma j | Barton, S.G. | 1929AJ.....39..120B |
Brt1929c | AJ 39, 120, 1929 | ||
Brt1930 | Pa - | Barton, S.G. | 1930AJ.....40..181B |
Brt1930 | AJ 40, 181, 1930 (BRT 323 - BRT 348) | ||
Brt1931 | Pa - | Barton, S.G. (BRT 349 - BRT 562) | 1931AJ.....41...35B |
Brt1931 | AJ 41, 35, 1931 (no measures for BRT 529 - BRT 562) | ||
Brt1932a | Pa - | Barton, S.G. | 1932AJ.....42...93B |
Brt1932a | AJ 42, 93, 1932 (BRT 604 - BRT 636) | ||
Brt1932b | Ma - | Barton, S.G. | 1932PFAO....5a...1B |
Brt1932b | +Pa | Pub. Univ. Penn. 5, Pt.1, Sec.2, 1932 (BRT 563 - BRT 603, BRT1928, etc.) | |
Brt1932C | Ma - | Barton, S.G. | 1932QB821.A43...... |
Brt1932C | cited in ADS (Aitken Double Star Cat.), 1932 | ||
Brt1933 | Pa - | Barton, S.G. | 1933AN....250...49B |
Brt1933 | AN 250, 49, 1933 | ||
Brt1933 | (BRT 637 - BRT1134; very approximate dates added for pairs listed with only | ||
Brt1933 | secondary magnitudes and no astrometry) | ||
Brt1934 | Pa - | Barton, S.G. | 1934AJ.....43..119B |
Brt1934 | +Ma | AJ 43, 119, 1934 | |
Brt1935a | Pa - | Barton, S.G. | 1935AJ.....44..105B |
Brt1935a | +Ma | AJ 44, 105, 1935 | |
Brt1935b | Pa - | Barton, S.G. | 1935AN....256..357B |
Brt1935b | AN 256, 357, 1935 | ||
Brt1936a | Ma - | Barton, S.G. | 1936AJ.....45...33B |
Brt1936a | +Pa | AJ 45, 33, 1936 | |
Brt1936b | Pa - | Barton, S.G. | 1936AJ.....45...99B |
Brt1936b | +Ma | AJ 45, 99, 1936 | |
Brt1937a | Pa - | Barton, S.G. | 1937AN....263..347B |
Brt1937a | AN 263, 347, 1937 | ||
Brt1937b | Pa - | Barton, S.G. | 1937AN....263..383B |
Brt1937b | AN 263, 383, 1937 | ||
Brt1938 | Ma - | Barton, S.G. | 1938AJ.....47..133B |
Brt1938 | +Pa | AJ 47, 133, 1938 | |
Brt1939a | Ma - | Barton, S.G. | 1939PFAO....5b...1B |
Brt1939a | +Pa | Pub. Univ. Penn. 5, Pt.2, Sec.2, 1939 | |
Brt1939b | Pa - | Barton, S.G. | 1939AJ.....48..145B |
Brt1939b | +Ma | AJ 48, 145, 1939 | |
Brt1941 | Pa - | Barton, S.G. | 1941PASP...55..339B |
Brt1941 | PASP 55, 339, 1941 | ||
Brt1942 | Pa - | Barton, S.G. | 1942AJ.....50...11B |
Brt1942 | AJ 50, 11, 1942 | ||
Brt1947 | Ma - | Barton, S.G. | 1947AJ.....52..178B |
Brt1947 | +Pa | AJ 52, 178, 1947 | |
Brt1949 | Ma - | Barton, S.G. | 1949PFAO....7a...1B |
Brt1949 | Pub. Univ. Penn. 7, Pt.1, Sec.1, 1949 | ||
Brt1951 | Pa - | Barton, S.G. | 1951AJ.....55..218B |
Brt1951 | AJ 55, 218, 1951 | ||
Brt1957 | Ma - | Barton, S.G. | 1957QB4.P5v7ps3.... |
Brt1957 | Pub. Univ. Penn. 7, Pt.3, 15, 1957 | ||
Brt9999 | Ma - | Barton, S.G. | ................... |
Brt9999 | +Pa | Unpublished, manuscript or reference not found. | |
Brt2002A | Ma - | Barton, S.G. | 2002yCat.1275....0D |
Brt2002A | +Pa | cited in CCDM |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
15403+3019 | BRT 253 | 1998 | 6 | 268 | 4.9 | 10.09 | 11.31 | D | 154016.99+301847.6 | ||
15403+3019 | BRT 253 | 2011 | 7 | 269 | 5.4 | 10.09 | 11.31 | D | 154016.99+301847.6 | ||
15403+3019 | BRT 253 | 2015 | 9 | 268 | 5.5 | 10.09 | 11.31 | 154016.99+301847.6 |
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 | pa=267.9° sep=4.70" |
Componente originario normalizzato | AB | Coord arcsec 2000 | 154016.99+301847.6 | Mag | 10.09 | PmRA | -15.00 | ||||
PmDE | -1.0 | Tycho2 | 2571-01300-1 |
Tycho2 | 2571-01300-1 | Pflag | RAmdeg | 235.07078778 | DEmdeg | 30.31323170 | |||||
PmRA | -12.9 | PmDE | -4.5 | E RAmdeg | 23 | E DEmdeg | 18 | ||||
E pmRA | 2.3 | E pmDE | 2.3 | EpRAm | 1990.57 | EpDEm | 1991.10 | ||||
Num | 3 | Q RAmdeg | 0.9 | Q DEmdeg | 1.2 | Q pmRA | 0.9 | ||||
Q pmDE | 1.2 | BTmag | 11.691 | E BTmag | 0.056 | VTmag | 10.085 | ||||
E VTmag | 0.025 | Prox | 55 | TYC | T | HIP | |||||
CCDM | RAdeg | 235.07082250 | DEdeg | 30.31324194 | EpRA 1990 | 1.67 | |||||
EpDE 1990 | 1.79 | E RAdeg | 22.6 | E DEdeg | 18.2 | Posflg | |||||
Corr | -0.3 |
Ccdm | 15403+3019 | RComp | Comp | A | Note1 | ||||||
Note2 | Discov num | DRAs | -1.11 | DDEs | -12.9 | ||||||
R dRAs | 65 | Year | Theta | Rho | |||||||
Obs | 2 | Vmag | 9.9 | Sp | PmNote | ||||||
PmRA | -5 | PmDE | -34 | Dm number | +30 2691 | Cat1 | BD | ||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | M ADS BDS | N IDS | IDS | 15362N3038A | |||||||
HIC |
Componente originario normalizzato | AB | Coord arcsec 2000 | 154016.63+301847.4 | Mag | 11.31 | PmRA | -15.00 | ||||
PmDE | -2.0 | Tycho2 | 2571-01695-1 | Calc delta mag | 1.22 | Calc coord | yes |
Tycho2 | 2571-01695-1 | Pflag | RAmdeg | 235.06897564 | DEmdeg | 30.31319872 | |||||
PmRA | -25.5 | PmDE | -0.4 | E RAmdeg | 58 | E DEmdeg | 46 | ||||
E pmRA | 2.6 | E pmDE | 2.5 | EpRAm | 1985.71 | EpDEm | 1987.90 | ||||
Num | 3 | Q RAmdeg | 1.0 | Q DEmdeg | 0.4 | Q pmRA | 1.0 | ||||
Q pmDE | 0.4 | BTmag | 12.723 | E BTmag | 0.186 | VTmag | 11.305 | ||||
E VTmag | 0.072 | Prox | 55 | TYC | HIP | ||||||
CCDM | RAdeg | 235.06904417 | DEdeg | 30.31319944 | EpRA 1990 | 1.65 | |||||
EpDE 1990 | 1.79 | E RAdeg | 60.0 | E DEdeg | 47.3 | Posflg | |||||
Corr | -0.3 |
Ccdm | 15403+3019 | RComp | Comp | B | Note1 | ||||||
Note2 | Discov num | BRT 253 | DRAs | DDEs | |||||||
R dRAs | Year | 1902 | Theta | 264 | Rho | 4.5 | |||||
Obs | 1 | Vmag | 10.5 | Sp | PmNote | ||||||
PmRA | PmDE | Dm number | Cat1 | ||||||||
Name2 | Cat2 | HD | M HD | ||||||||
ADS BDS | M ADS BDS | N IDS | IDS | 15362N3038B | |||||||
HIC |