All names: Gaia EDR3 604920103257754624, Gaia DR3 604920103257754624, Gaia DR2 604920098960653312, Cl* NGC 2682 MMJ 6333, Cl* NGC 2682 FBC 4672, [SGR2010] J0852+1154, GALEX J085202.0+115400, SDSS J085202.07+115400.1, 2MASS J08520206+1154000, SDSS J085202.07+115400.2, WD 0849+120, TIC 437039339
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 52 02.07 (0.5) | 08 52 02.06 | 08 52 02.07 (0.5) | 08 52 02.07 | 08 52 02.06 (0.5) | 08 52 02.18 | 08 52 02.07 | |||
| Declination | 11 54 00.17 (0.3) | 11 54 00.11 | 11 54 00.17 (0.3) | 11 54 00.14 | 11 54 00.24 (0.3) | 11 53 58.92 | 11 54 00.16 | |||
| Spectral type | DA+M | DA+M2 | DA2.9+M2 | DA+M | ||||||
| Effective temperature | [K] | 17304.0 (345) | 7165.0 (26) | |||||||
| log(g) | [cgs] | 7.45 (0.08) | 5.00 (0.002) | |||||||
| Mass | [M☉] | 0.37 (0.03) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.59 (0.6) | 3.88 (0.7) | 3.59 (0.6) | ||||||
| Distance | [pc] | 278.40 (46) | 257.60 (43) | 518.00 (30) | 278.40 (46) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 4.700285329 (0.6) | 2.401506509 (1) | 4.7 (0.6) | ||||||
| Proper motion (declination) | [mas/yr] | -4.377178321 (0.5) | 3.126401175 (0.6) | -4.377 (0.5) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | 18.38 | |||||||||
| V magnitude | 17.77 | |||||||||
| R magnitude | ||||||||||
| I magnitude | 16.14 | |||||||||
| J magnitude | 15.03 (0.04) | |||||||||
| H magnitude | 14.45 (0.05) | |||||||||
| K magnitude | 14.01 (0.05) | |||||||||
| u magnitude | 18.79 (0.02) | 18.76 | 18.73 (0.02) | 18.73 | 18.76 (0.02) | |||||
| g magnitude | 18.04 (0.006) | 18.09 | 18.06 (0.006) | 18.06 | 18.09 (0.02) | |||||
| r magnitude | 17.40 (0.005) | 17.42 | 17.41 (0.005) | 17.41 | 17.42 (0.01) | |||||
| i magnitude | 16.67 (0.004) | 16.69 | 16.69 (0.005) | 16.69 | 16.69 (0.01) | |||||
| z magnitude | 16.23 (0.007) | 16.21 | 16.22 (0.007) | 16.22 | 16.21 (0.01) | |||||
| G magnitude | 17.28 (0.01) | 17.22 | 17.28 (0.006) | |||||||
| BP magnitude | 17.88 (0.01) | 17.87 | ||||||||
| RP magnitude | 16.29 (0.003) | 16.30 | ||||||||
| Pan g magnitude | 18.01 (0.005) | |||||||||
| Pan r magnitude | 17.42 (0.004) | |||||||||
| Pan i magnitude | 16.69 (0.005) | |||||||||
| Pan z magnitude | 16.34 (0.003) | |||||||||
| Pan y magnitude | 16.14 (0.009) | |||||||||
| E(B-V) | 0.021 | |||||||||
* 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.