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Table 2.

Table 2. Gaia DR2 astrometry, photometry, and tangential velocities, initial (from CAFOS) and adopted spectral types of six rejected WDs.

CA No. Alternative Names RAa (degrees) Deca (degrees) Plxa (mas) pmRAa (mas yr−1) pmDeca (mas yr−1) Ga (mag) BP−RPa (mag) Initial SpT Adopted SpT Ref. νtanb (km s−1)
171 LSPM J0937+2803 144.359230 +28.056399 3.68 ± 0.03 +63.38 ± 0.04 –153.13 ± 0.04 13.354 +1.075 DQ+DAZ? G-type dC 1 214
192 WD 1004+665 152.005966 +66.322420 2.19 ± 0.02 –153.10 ± 0.03 –127.69 ± 0.04 14.475 +0.980 no WD ≈G 1 432
297 SDSS J140921.10+370542.6 212.337320 +37.094950 2.89 ± 0.08 –154.80 ± 0.07 –73.75 ± 0.09 17.290 +1.712 DZ? M0V (SDSS) 2 282
308 LSPM J1445+2527 221.414204 +25.453752 1.44 ± 0.05 –37.82 ± 0.10 –155.26 ± 0.10 16.012 +1.097 no WD ≈G 1 524
331 LSPM J1554+1939 238.570339 +19.663440 3.47 ± 0.07 +13.26 ± 0.09 –179.27 ± 0.08 16.770 +1.550 DC11.0 ± 1.0? ≈K 1 246
351 2MASS J16345081+2610073 248.711612 +26.168217 1.34 ± 0.04 –30.34 ± 0.05 –118.39 ± 0.07 12.600 +0.520 DA6.0 ± 1.0? ≈F 1 431

Notes. Gaia DR2 coordinates are for (J2000, epoch 2015.5) and were rounded to 0.000001 degrees, parallaxes and their errors were rounded to 0.01 mas, proper motions and their errors to 0.01 mas yr−1, magnitudes and colours were rounded to 0.001 mag. The initial spectral types with question marks were uncertain because of low S/N or possible problems in the flux calibration of the CAFOS spectra. Further notes on the data:

(a)

Gaia DR2,

(b)

derived from Gaia DR2 parallaxes and proper motions.

References. (1) This paper adopted spectral types based on CAFOS spectra and the location of the objects along the main sequence in the CMDs (Figs. 9 and 10), (2) West et al. (2011).

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