EGGR 252
All names: SDSS J100149.23+144123.8, G 42-33, G042-033, GJ 2077, WD 0959+14, UCAC2 37003189, Gaia DR3 615733593956317568, UCAC4 524-050659, J1001+1441, uvby98 980042033, CNS5 2463, EGGR 252, SDSS J100149.22+144123.8, WD 0959+149, Gaia EDR3 615733593956317568, GALEX J100149.2+144124, USNO-B1.0 1046-00188968, WISEA J100149.11+144123.8, WDJ100149.36+144123.79, NLTT 23218, GEN# +9.80042033, LSPM J1001+1441, TIC 308996412, LTT 12680, SDSS J100149.22+144123.9, 2MASS J10014935+1441237, [VV2010] J100149.3+144123, Gaia DR2 615733593956317568
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Holberg et al. 2016 | Sion et al. 2014 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 01 48.99 (0.03) | 10 01 49.00 (0.1) | 10 01 49.00 (0.1) | 10 01 49.20 | 10 01 48.99 | 10 01 49.36 (0.03) | 10 01 49.00 | 10 01 50.54 | ||||||||||
| Declination | 14 41 23.97 (0.04) | 14 41 23.96 (0.2) | 14 41 23.96 (0.2) | 14 41 20.40 | 14 41 23.97 | 14 41 23.79 (0.04) | 14 41 23.96 | 14 41 25.08 | ||||||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | DC7 | DC | DC7 | DC | DC7 | DC | |||||
| Effective temperature | [K] | 6471.0 (23) | 6778.0 (48) | 6438.0 (13) | 6748.8 (27) | 6852.0 | 6594.0 | 7001.0 (500) | 7200.0 | 6236.0 (35) | ||||||||
| log(g) | [cgs] | 8.04 (0.006) | 8.21 (0.02) | 8.03 (0.004) | 8.20 (0.01) | 8.26 | 8.14 | 7.94 (0) | 8.03 (0.009) | |||||||||
| Mass | [M☉] | 0.599 (0.005) | 0.704 (0.01) | 0.59 (0.004) | 0.753 | 0.663 | 0.56 (0) | 0.592 (0.007) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||||
| Cooling age | [Gyr] | 2.0800 | 2.6990 | 2.4820 | 1.4400 | |||||||||||||
| log(H/He) | -3.2 | -3.2 | ||||||||||||||||
| log(C/He) | ||||||||||||||||||
| log(Ca/He) | ||||||||||||||||||
| log(Ca/H) | ||||||||||||||||||
| log(N/He) | ||||||||||||||||||
| log(O/He) | ||||||||||||||||||
| log(Na/He) | ||||||||||||||||||
| log(Mg/He) | ||||||||||||||||||
| log(Al/He) | ||||||||||||||||||
| log(Si/He) | ||||||||||||||||||
| log(P/He) | ||||||||||||||||||
| log(S/He) | ||||||||||||||||||
| log(Cl/He) | ||||||||||||||||||
| log(Sc/He) | ||||||||||||||||||
| log(Ti/He) | ||||||||||||||||||
| log(V/He) | ||||||||||||||||||
| log(Cr/He) | ||||||||||||||||||
| log(Mn/He) | ||||||||||||||||||
| log(Fe/He) | ||||||||||||||||||
| log(Co/He) | ||||||||||||||||||
| log(Ni/He) | ||||||||||||||||||
| log(Cu/He) | ||||||||||||||||||
| log(Zn/He) | ||||||||||||||||||
| log(Ga/He) | ||||||||||||||||||
| log(Ge/He) | ||||||||||||||||||
| log(Sr/He) | ||||||||||||||||||
| Parallax | [mas] | 51.54 (0.04) | 51.54 (0.04) | 51.53 (0.07) | 51.53 (0.07) | 51.53 (0.07) | 51.54 | 51.54 (0.04) | 51.53 (0.07) | |||||||||
| Distance | [pc] | 19.40 (0.01) | 19.40 (0.02) | 19.41 (0.03) | 19.41 (0.03) | 19.41 (0.03) | 25.05 (0.7) | 22.20 | 19.40 | 19.40 (0.01) | 19.41 (0.03) | |||||||
| Composition | He | He | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -338.7031412 (0.04) | -338.6829218 (0.2) | -338.703 (0.04) | -338.683 | |||||||||||||
| Proper motion (declination) | [mas/yr] | 11.33179718 (0.04) | 11.11404376 (0.3) | 11.332 (0.04) | 11.114 | |||||||||||||
| Variability | ||||||||||||||||||
| Magnetic | ||||||||||||||||||
| Bd | [MG] | |||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | ||||||||||||||||||
| B magnitude | 15.86 (0.1) | |||||||||||||||||
| V magnitude | 15.37 | 15.40 (0.05) | ||||||||||||||||
| R magnitude | 15.62 (0.04) | |||||||||||||||||
| I magnitude | ||||||||||||||||||
| J magnitude | 14.70 (0.004) | 14.70 (0.04) | ||||||||||||||||
| H magnitude | 14.52 (0.06) | 14.52 (0.06) | ||||||||||||||||
| K magnitude | 14.46 (0.08) | 14.46 (0.08) | ||||||||||||||||
| u magnitude | 16.10 (0.007) | 16.07 (0.006) | 16.07 (0.006) | |||||||||||||||
| g magnitude | 15.53 (0.003) | 15.53 (0.003) | ||||||||||||||||
| r magnitude | 15.32 (0.004) | 15.32 (0.004) | ||||||||||||||||
| i magnitude | 15.27 (0.004) | 15.27 (0.004) | ||||||||||||||||
| z magnitude | 15.33 (0.005) | 15.33 (0.005) | ||||||||||||||||
| G magnitude | 15.31 (0.003) | 15.32 | 15.32 | 15.31 | 15.31 (0.003) | 15.32 | ||||||||||||
| BP magnitude | 15.51 (0.003) | 15.51 | 15.51 | |||||||||||||||
| RP magnitude | 14.97 (0.001) | 14.97 | 14.97 | |||||||||||||||
| Pan g magnitude | 15.52 (0.004) | 15.52 (0.004) | ||||||||||||||||
| Pan r magnitude | 15.33 (0.001) | 15.33 (0.002) | ||||||||||||||||
| Pan i magnitude | 15.30 (0.003) | 15.30 (0.003) | ||||||||||||||||
| Pan z magnitude | 15.34 (0.003) | 15.34 (0.003) | ||||||||||||||||
| Pan y magnitude | 15.36 (0.005) | 15.36 (0.005) | ||||||||||||||||
| E(B-V) | 0.000 | |||||||||||||||||
* Constant surface field
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