All names: SAO 93878, 2MASS J04205271+1351521, Cl* Melotte 25 HAN 230, HR 1358, N30 895, TYC 680-27-1, [RSP2011] 238, WEB 3879, ** BAS 3, CEL 389, 2E 979, GCRV 2509, HIC 20284, YZ 13 1268, uvby98 520250034, IRAS 04180+1344, Cl Melotte 25 34, WD 0418+137, UBV M 41240, Gaia DR1 3310615561179780736, RE J042049+135206, BD+13 665, GEN# +5.20250034, 2E 0418.0+1344, SBC9 236, Cl* Melotte 25 S 23, RE J0420+135, RX J0420.8+1352, Gaia DR3 3310615565476268032, Cl* Melotte 25 VA 201, SKY# 6673, TIC 435915513, JP11 4810, LP 13-665, YPAC 340, GSC 00680-00027, UCAC4 520-007820, AG+13 343, HD 27483, ROT 3844, PPM 119807, HIP 20284, 1RXS J042052.8+135155, UBV 4194, 2RXP J042052.8+135150, GC 5260, Gaia DR2 3310615565476268032, Gaia EDR3 3310615565476268032, TD1 3053, SBC7 173
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 04 20 52.84 (0.03) | 04 20 52.83 (0.06) | 04 20 52.72 (0.03) | 04 20 51.60 | ||
| Declination | 13 51 51.74 (0.02) | 13 51 51.74 (0.04) | 13 51 51.93 (0.02) | 13 51 53.64 | ||
| Spectral type | DA3+F6V | DA2.5 | ||||
| Effective temperature | [K] | |||||
| log(g) | [cgs] | |||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 21.09 (0.03) | 21.05 (0.08) | 21.09 (0.03) | ||
| Distance | [pc] | 47.41 (0.07) | 47.50 (0.2) | 47.41 (0.07) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 106.8826071 (0.04) | 106.975 (0.2) | 106.883 (0.04) | ||
| Proper motion (declination) | [mas/yr] | -12.39952178 (0.03) | -12.701 (0.1) | -12.4 (0.03) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | 6.60 | |||||
| V magnitude | 6.14 (0.004) | |||||
| R magnitude | 5.88 | |||||
| I magnitude | 5.63 | |||||
| J magnitude | 5.29 (0.03) | |||||
| H magnitude | 5.16 (0.02) | |||||
| K magnitude | 5.06 (0.02) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 6.05 (0.001) | 6.03 | 6.05 (0.003) | |||
| BP magnitude | 6.27 (0.001) | 6.28 | ||||
| RP magnitude | 5.67 (0.001) | 5.68 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.001 | |||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.