Coord 2000 | 11460+3149 | Discov num | GIC 102 | Comp | Coord arcsec 2000 | 11 45 56.68 +31 49 30.8 | |||||
Date first | 1963 | Date last | 2019 | Obs | 13 | ||||||
Pa first | 270 | Pa last | 271.3 | P.A. Now (θ) | 271.3° | ||||||
Sep first | 11.0 | Sep last | 9.103 | Sep. Now (ρ) | 9.103" | ||||||
Mag pri | 13.60 | Mag sec | 14.10 | delta mag (ΔM) | 0.5 | Spectral class | DA3n (white dwarf) | ||||
Pri motion ra | -165 | Sec motion ra | -139 | ||||||||
Pri motion dec | -271 | Sec motion dec | -264 | ||||||||
Notes | N T (See Notes, Parallax indicates physical) |
Constellation | Ursa Major | Gaia DR2 | 4021565827014024576 |
discov_num | notes | refcode |
GIC 102 | Primary is white dwarf WD 1143+321 = NLTT 28470. | Far2005b |
NLTT 28470/28469 | Chm2004 |
refcode | metd | author | reference |
Chm2004 | E - | Chaname, J. & Gould, A. | 2004ApJ...601..289C |
Chm2004 | ApJ 601, 289, 2004 | ||
Chm2004 | (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early | ||
Chm2004 | versions of 2MASS and UCAC, with date given only as "circa 2000". Measures | ||
Chm2004 | identical to discovery observations - predominantly close pairs - were assumed | ||
Chm2004 | not new observations, so not included in WDS. Similar concerns when primary and | ||
Chm2004 | secondary magnitudes or proper motions were the same.) | ||
Far2005b | C+ - | Farihi, J., Becklin, E.E., & Zuckerman, B. | 2005ApJS..161..394F |
Far2005b | +E2 | ApJS 161, 394, 2005 |
idgroup | discov | author |
1 | GIC | Giclas, H., Burnham, R. & Thomas, N. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
11460+3149 | GIC 102 | 2000 | 4 | 276 | 8.0 | 12.39 | 13.87 | 114556.68+314930.8 | |||
11460+3149 | GIC 102 | 2004 | 7 | 272 | 9.0 | 12.39 | 13.87 | NV | 114556.68+314930.8 | ||
11460+3149 | GIC 102 | 2015 | 10 | 272 | 9.1 | 13.60 | 14.10 | DA3n | NV | 114556.68+314930.8 | |
11460+3149 | GIC 102 | 2019 | 12 | 271 | 9.1 | 13.60 | 14.10 | DA3n | NT | 114556.68+314930.8 |
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=271.5° sep=7.74" |
Componente originario normalizzato | AB | Coord arcsec 2000 | 114556.68+314930.8 | Mag | 13.6 | Spectral class | DA3n (white dwarf) | ||||
PmRA | -165.00 | PmDE | -271.0 |
Componente originario normalizzato | AB | Coord arcsec 2000 | 114556.07+314931.0 | Mag | 14.1 | PmRA | -139.00 | ||||
PmDE | -264.0 | Calc delta mag | 0.5 | Calc coord | yes |