WD 1614+449
All names: SDSS J161544.67+444942.5, Gaia DR2 1385742821206707456, WDJ161544.66+444942.80, WD 1614+449, J1615+4449, LSPM J1615+4449, SDSS J161544.67+444942.6, Gaia EDR3 1385742821206707456, USNO-B1.0 1348-00271298, SDSS J161544.66+444942.4, Gaia DR3 1385742821206707456
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 15 44.73 (0.1) | 16 15 44.73 (0.2) | 16 15 44.73 | 16 15 44.66 (0.1) | 16 15 44.73 | 16 15 44.09 | |||||||
| Declination | 44 49 39.05 (0.2) | 44 49 39.17 (0.2) | 44 49 39.05 | 44 49 42.80 (0.2) | 44 49 39.17 | 44 49 36.84 | |||||||
| Spectral type | DC | DC | DC | DC | DA: | DC | DC10.7 | ||||||
| Effective temperature | [K] | 4932.0 (24) | 4920.0 (23) | 4880.0 | 4562.0 | 4981.0 (85) | |||||||
| log(g) | [cgs] | 7.97 (0.02) | 7.96 (0.02) | 7.94 | 7.71 | 8.00 (0.04) | |||||||
| Mass | [M☉] | 0.562 (0.01) | 0.557 (0.02) | 0.541 | 0.408 | 0.582 (0.04) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 5.9400 | 5.5010 | 4.0620 | |||||||||
| 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] | 16.04 (0.2) | 16.05 (0.3) | 16.05 (0.3) | 16.04 | 16.04 (0.2) | 16.05 (0.3) | ||||||
| Distance | [pc] | 62.33 (0.6) | 62.31 (1) | 62.32 (1) | 62.33 | 62.33 (0.6) | 62.32 (1) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 46.20439986 (0.1) | 46.60411623 (0.4) | 46.204 (0.1) | 46.60411623 | ||||||||
| Proper motion (declination) | [mas/yr] | -234.1489286 (0.2) | -234.1793561 (0.5) | -234.149 (0.2) | -234.1793561 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 20.50 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 18.60 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.44 (0.04) | 17.44 (0.04) | |||||||||||
| H magnitude | 17.24 (0.05) | 17.24 (0.05) | |||||||||||
| K magnitude | 17.26 (0.07) | 17.26 (0.07) | |||||||||||
| u magnitude | 21.13 (0.08) | 21.13 (0.08) | 21.22 (0.09) | 21.19 | |||||||||
| g magnitude | 19.61 (0.01) | 19.60 (0.01) | 19.56 | ||||||||||
| r magnitude | 18.84 (0.01) | 18.85 (0.01) | 18.81 | ||||||||||
| i magnitude | 18.57 (0.01) | 18.56 (0.01) | 18.54 | ||||||||||
| z magnitude | 18.48 (0.03) | 18.50 (0.03) | 18.46 | ||||||||||
| G magnitude | 18.87 (0.04) | 18.90 | 18.87 | 18.87 (0.003) | 18.90 | ||||||||
| BP magnitude | 19.39 (0.04) | 19.53 | 19.53 | ||||||||||
| RP magnitude | 18.24 (0.02) | 18.23 | 18.23 | ||||||||||
| Pan g magnitude | 19.50 (0.007) | 19.50 (0.007) | |||||||||||
| Pan r magnitude | 18.83 (0.01) | 18.83 (0.01) | |||||||||||
| Pan i magnitude | 18.56 (0.004) | 18.56 (0.005) | |||||||||||
| Pan z magnitude | 18.45 (0.007) | 18.45 (0.008) | |||||||||||
| Pan y magnitude | 18.44 (0.02) | 18.44 (0.02) | |||||||||||
| E(B-V) | 0.008 | ||||||||||||
* Constant surface field
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