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