All names: Gaia DR3 1383151547177844224, TIC 29369569, [SGR2010] J1555+4116, WIRED J155521.14+411650.1, WD 1553+414, SDSS J155521.14+411650.2, GALEX J155521.1+411650, Gaia EDR3 1383151547177844224, [HHD2009] SDSS J1555+4116, SDSS J155521.13+411650.1, Gaia DR2 1383151547177844224, SDSS J155521.14+411650.1, SDSS J155521.15+411650.2, 2MASS J15552116+4116501
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 55 21.16 (0.08) | 15 55 21.14 | 15 55 21.16 (0.1) | 15 55 21.14 | 15 55 21.14 (0.08) | 15 55 21.14 | 15 55 20.57 | 15 55 21.15 | ||||||
| Declination | 41 16 49.97 (0.09) | 41 16 50.15 | 41 16 49.97 (0.1) | 41 16 50.09 | 41 16 50.22 (0.09) | 41 16 50.16 | 41 16 48.36 | 41 16 50.19 | ||||||
| Spectral type | DA+M | DA+M | DA | DA+M | DA+M | DA dM | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 31147.0 (283) | 31128.0 (383) | 31900.0 (360) | 8563.0 (35) | 8362.0 (49) | ||||||||
| log(g) | [cgs] | 7.73 (0.07) | 7.87 (0.09) | 7.83 (0.08) | 9.00 (0.009) | 8.73 (0.05) | ||||||||
| Mass | [M☉] | 0.52 (0.03) | 0.58 (0.05) | 0.57 (0.04) | ||||||||||
| log(Luminosity) | [L☉] | -0.65 (0.05) | ||||||||||||
| Cooling age | [Gyr] | 0.0074 (0.0005) | 0.0081 | |||||||||||
| 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] | 1.59 (0.1) | 1.53 (0.1) | 1.59 (0.1) | ||||||||||
| Distance | [pc] | 630.06 (40) | 652.56 (58) | 383.00 (7) | 630.08 (40) | |||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 13.90529019 (0.1) | 14.0709134 (0.2) | 13.905 (0.1) | 16.2 | |||||||||
| Proper motion (declination) | [mas/yr] | -16.05494794 (0.1) | -16.51186222 (0.3) | -16.055 (0.1) | -19.0 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | ||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.38 (0.1) | |||||||||||||
| H magnitude | 15.94 (0.2) | |||||||||||||
| K magnitude | 15.65 (0.1) | |||||||||||||
| u magnitude | 18.01 (0.01) | 18.04 | 18.00 (0.01) | 18.04 (0.02) | 18.04 | 18.04 (0.02) | ||||||||
| g magnitude | 18.22 (0.007) | 18.25 | 18.22 (0.007) | 18.25 (0.04) | 18.25 | 18.24 (0.04) | ||||||||
| r magnitude | 18.53 (0.008) | 18.53 | 18.53 (0.008) | 18.53 (0.02) | 18.53 | 18.53 (0.02) | ||||||||
| i magnitude | 18.27 (0.009) | 18.24 | 18.27 (0.009) | 18.24 (0.02) | 18.24 | 18.24 (0.02) | ||||||||
| z magnitude | 17.85 (0.02) | 17.81 | 17.84 (0.02) | 17.81 (0.03) | 17.81 | 17.81 (0.03) | ||||||||
| G magnitude | 18.20 (0.01) | 18.21 | 18.20 (0.003) | |||||||||||
| BP magnitude | 18.34 (0.01) | 18.28 | ||||||||||||
| RP magnitude | 17.84 (0.02) | 17.84 | ||||||||||||
| Pan g magnitude | 18.28 (0.03) | |||||||||||||
| Pan r magnitude | 18.53 (0.007) | |||||||||||||
| Pan i magnitude | 18.26 (0.007) | |||||||||||||
| Pan z magnitude | 17.90 (0.008) | |||||||||||||
| Pan y magnitude | 17.70 (0.02) | |||||||||||||
| E(B-V) | 0.020 | |||||||||||||
* 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.