Table 1
Photometric and astrometric properties of the DAHs with possible Praesepe memberships.
| MWD | RA/(h m s) | Dec/(deg ′ ′′) | r/mag | i/mag | z/mag | RA p.m./(mas/yr) | Dec p.m./(mas/yr) | ||
|
|
|||||||||
| WD 0836+201 | 08 39 45.56 | +20 00 15.7 | 18.11 ± 0.01 | 18.36 ± 0.01 | 18.66 ± 0.04 | –32.93 ± 2.87 | –15.98 ± 2.87 | ||
| SDSS J0855+1640 | 08 55 23.87 | +16 40 59.0 | 18.80 ± 0.01 | 19.05 ± 0.02 | 19.32 ± 0.08 | –33.14 ± 2.75 | –14.71 ± 2.75 | ||
Notes.The columns indicate the right ascension (RA), declination (Dec); the SDSS photometric magnitudes r, i, z which are relevant for this work; and finally the proper-motions. Compare the proper-motions of the objects with the proper-motions of Praesepe RA p.m. = −35.90 ± 0.13 mas/yr, Dec p.m. = −12.88 ± 0.11 mas/yr (Kharchenko et al. 2005).
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