All names: TIC 157328515, UCAC4 753-048661, PG 1202+608, [TFW97] J120438.56+603208.30, Feige 55, UBV M 42260, Gaia DR2 1582231699483080192, SBSS 1202+608, GEN# +6.00002197, 2MASS J12043856+6032082, GCRV 21670, uvby98 600002197, GD 314, GSC 04154-00827, WD 1202+608, Gaia EDR3 1582231699483080192, LB 2197, FB 81, CSI+60-12025
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Liebert et al. 2005 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 04 38.42 (0.03) | 12 04 38.42 (0.03) | 12 04 38.54 (0.03) | 12 04 39.00 | |||||
| Declination | 60 32 07.53 (0.03) | 60 32 07.55 (0.03) | 60 32 08.09 (0.03) | 60 32 06.00 | |||||
| Spectral type | DA | DAO.9 | DAO | ||||||
| Effective temperature | [K] | 57640.0 (1356) | 58280.0 (1748) | ||||||
| log(g) | [cgs] | 7.33 (0.08) | 7.15 (0.1) | ||||||
| Mass | [M☉] | 0.47 (0.02) | 0.4 (0.03) | ||||||
| log(Luminosity) | [L☉] | 0.91 | |||||||
| Cooling age | [Gyr] | 0.0141 | |||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| log(C/H) | |||||||||
| log(N/H) | |||||||||
| log(O/H) | |||||||||
| log(Na/H) | |||||||||
| log(Mg/H) | |||||||||
| log(Al/H) | |||||||||
| log(Si/H) | |||||||||
| log(P/H) | |||||||||
| log(S/H) | |||||||||
| log(Sc/H) | |||||||||
| log(Ti/H) | |||||||||
| log(Cr/H) | |||||||||
| log(Mn/H) | |||||||||
| log(Fe/H) | |||||||||
| log(Ni/H) | |||||||||
| Parallax | [mas] | 4.95 (0.03) | 5.01 (0.04) | 5.01 (0.04) | |||||
| Distance | [pc] | 202.08 (1) | 199.44 (2) | 155.00 | 178.00 | 199.44 (2) | |||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -54.87971928 (0.03) | -54.74400582 (0.07) | -54.744 (0.07) | |||||
| Proper motion (declination) | [mas/yr] | -34.88686492 (0.03) | -34.85467649 (0.06) | -34.855 (0.06) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 13.22 (0.0004) | ||||||||
| V magnitude | 13.60 | 13.57 (0.0009) | |||||||
| R magnitude | 13.72 (0.002) | ||||||||
| I magnitude | 13.90 (0.002) | ||||||||
| J magnitude | 14.36 (0.03) | ||||||||
| H magnitude | 14.60 (0.07) | ||||||||
| K magnitude | 14.58 (0.1) | ||||||||
| u magnitude | 13.75 | ||||||||
| g magnitude | 13.34 (0.08) | 15.37 | |||||||
| r magnitude | 13.75 (0.05) | 13.97 | |||||||
| i magnitude | 14.13 (0.03) | 14.82 | |||||||
| z magnitude | 14.69 | ||||||||
| G magnitude | 13.50 (0.001) | 13.52 | 13.52 (0.0006) | ||||||
| BP magnitude | 13.32 (0.001) | 13.25 | |||||||
| RP magnitude | 13.86 (0.0008) | 13.86 | |||||||
| Pan g magnitude | 13.39 | ||||||||
| Pan r magnitude | 13.78 (0.002) | ||||||||
| Pan i magnitude | 14.21 (0.003) | ||||||||
| Pan z magnitude | 14.50 (0.003) | ||||||||
| Pan y magnitude | 14.70 (0.003) | ||||||||
| E(B-V) | 0.015 | ||||||||
* 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.