WD 1507+021
All names: 2MASS J15095696+0156085, SDSS J150956.93+015608.5, USNO-B1.0 0919-00290611, SDSS J150956.90+015607.9, Gaia DR2 4420242631507777920, Gaia DR3 4420242631507777920, Gaia EDR3 4420242631507777920, SDSS J150956.90+015607.98, PG 1507+021, SDSS J150956.89+015607.9, TIC 460418823, WD 1507+021
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Gianninas et al. 2011 | Koester et al. 2009 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 09 56.87 (0.05) | 15 09 56.93 | 15 09 56.93 | 15 09 56.87 (0.08) | 15 09 56.87 | 15 09 56.94 (0.05) | 15 09 57.05 | |||||||||
| Declination | 01 56 07.58 (0.05) | 01 56 08.51 | 01 56 08.51 | 01 56 07.62 (0.07) | 01 56 07.58 | 01 56 08.58 (0.05) | 01 56 08.52 | |||||||||
| Spectral type | DA | DA | DA | DA | DA2.5 | DA3 | DA | |||||||||
| Effective temperature | [K] | 16799.0 | 21532.0 (60) | 20270.0 (446) | 20222.0 (67) | 19580.0 (433) | 18733.0 (449) | |||||||||
| log(g) | [cgs] | 7.74 | 8.03 (0.01) | 7.90 (0.07) | 7.80 (0.01) | 7.87 (0.07) | 7.87 (0.02) | |||||||||
| Mass | [M☉] | 0.481 | 0.6409999999999999 (0.005) | 0.57 (0.04) | 0.56 (0.04) | 0.549 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | -1.57 | ||||||||||||||
| Cooling age | [Gyr] | 0.0848 | 0.0759 | |||||||||||||
| log(H/He) | ||||||||||||||||
| log(C/He) | ||||||||||||||||
| log(Ca/He) | ||||||||||||||||
| log(Ca/H) | ||||||||||||||||
| log(C/H) | ||||||||||||||||
| log(N/H) | ||||||||||||||||
| log(O/H) | ||||||||||||||||
| log(Na/H) | ||||||||||||||||
| log(Mg/H) | ||||||||||||||||
| log(Al/H) | ||||||||||||||||
| log(Si/H) | ||||||||||||||||
| log(P/H) | ||||||||||||||||
| log(S/H) | ||||||||||||||||
| log(Sc/H) | ||||||||||||||||
| log(Ti/H) | ||||||||||||||||
| log(Cr/H) | ||||||||||||||||
| log(Mn/H) | ||||||||||||||||
| log(Fe/H) | ||||||||||||||||
| log(Ni/H) | ||||||||||||||||
| Parallax | [mas] | 6.97 (0.06) | 6.92 (0.1) | 6.97 | 6.97 (0.06) | |||||||||||
| Distance | [pc] | 143.50 (1) | 144.54 (2) | 150.00 | 152.00 | 143.50 | 143.50 (1) | |||||||||
| Composition | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -65.79531863 (0.06) | -65.75335108 (0.1) | -65.795 (0.06) | ||||||||||||
| Proper motion (declination) | [mas/yr] | -62.096175 (0.07) | -62.07305222 (0.1) | -62.096 (0.07) | ||||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 16.10 | |||||||||||||||
| V magnitude | 16.49 | 16.49 | ||||||||||||||
| R magnitude | 16.40 | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.60 (0.1) | |||||||||||||||
| H magnitude | 16.45 (0.2) | |||||||||||||||
| K magnitude | ||||||||||||||||
| u magnitude | 16.45 (0.007) | 16.45 (0.007) | 16.45 (0.02) | 16.45 (0.007) | ||||||||||||
| g magnitude | 16.34 (0.004) | 16.34 (0.004) | 16.36 (0.01) | 16.34 (0.004) | ||||||||||||
| r magnitude | 16.69 (0.004) | 16.69 (0.004) | 16.72 (0.02) | 16.69 (0.004) | ||||||||||||
| i magnitude | 16.98 (0.005) | 16.98 (0.005) | 17.01 (0.02) | 16.98 (0.005) | ||||||||||||
| z magnitude | 17.27 (0.01) | 17.27 (0.01) | 17.29 (0.02) | 17.27 (0.01) | ||||||||||||
| G magnitude | 16.52 (0.003) | 16.54 | 16.52 | 16.52 (0.003) | ||||||||||||
| BP magnitude | 16.46 (0.003) | 16.44 | ||||||||||||||
| RP magnitude | 16.67 (0.008) | 16.67 | ||||||||||||||
| Pan g magnitude | 16.38 (0.004) | |||||||||||||||
| Pan r magnitude | 16.69 (0.003) | |||||||||||||||
| Pan i magnitude | 16.99 (0.002) | |||||||||||||||
| Pan z magnitude | 17.24 (0.007) | |||||||||||||||
| Pan y magnitude | 17.41 (0.01) | |||||||||||||||
| E(B-V) | 0.024 | |||||||||||||||
* Constant surface field
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