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