All names: TIC 435915513, Cl* Melotte 25 HAN 230, SBC7 173, N30 895, RE J042049+135206, AG+13 343, BD+13 665, GCRV 2509, WD 0418+137, ROT 3844, TYC 680-27-1, Cl Melotte 25 34, Gaia DR1 3310615561179780736, 1RXS J042052.8+135155, TD1 3053, WEB 3879, YPAC 340, HD 27483, Cl* Melotte 25 S 23, HR 1358, ** BAS 3, 2RXP J042052.8+135150, PPM 119807, [RSP2011] 238, 2MASS J04205271+1351521, SBC9 236, UBV 4194, uvby98 520250034, UCAC4 520-007820, GSC 00680-00027, RE J0420+135, Cl* Melotte 25 VA 201, 2E 0418.0+1344, UBV M 41240, SAO 93878, JP11 4810, HIP 20284, LP 13-665, HIC 20284, RX J0420.8+1352, GEN# +5.20250034, Gaia DR2 3310615565476268032, SKY# 6673, CEL 389, GC 5260, Gaia EDR3 3310615565476268032, Gaia DR3 3310615565476268032, YZ 13 1268, IRAS 04180+1344, 2E 979
| 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.