All names: Gaia DR3 6332763530870415488, USNO 539, GEN# +6.10060175, Gaia DR2 6332763530870415488, Gaia EDR3 6332763530870415488, WD 1503-07, 2MASS J15054932-0714408, WD 1503-070, PLX 3410.01, J1505-0714, PSO J226.4546-07.2447, GJ 3889, TIC 192745310, WDJ150549.31-071440.95, GD 175, EGGR 190
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Hardy et al. 2023a | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Ferrario et al. 2015 | Gianninas et al. 2011 | Zuckerman et al. 2003 | Bergeron et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 05 49.09 (0.04) | 15 05 49.10 (0.06) | 15 05 49.09 | 15 05 49.31 (0.04) | 15 05 49.10 | 15 05 49.82 | ||||||||||||
Declination | -07 14 41.25 (0.03) | -07 14 41.24 (0.04) | -07 14 41.25 | -07 14 40.95 (0.03) | -07 14 41.24 | -07 14 40.56 | ||||||||||||
Spectral type | DAH | DA | DAH | DAH | DA | DA | DA | DA | DA | DA | DAH7.3 | DAH | ||||||
Effective temperature | [K] | 6668.0 (52) | 6567.1 (8) | 6889.0 (14) | 6640.0 (45) | 6641.0 | 6990.0 | 6920.0 (190) | 6707.0 | 6990.0 (160) | 6712.0 (36) | |||||||
log(g) | [cgs] | 8.00 (0.02) | 7.99 (0.01) | 8.09 (0.003) | 8.01 (0.02) | 8.00 | 9.56 (0.2) | 8.06 | 8.17 (0.2) | 8.02 (0.01) | ||||||||
Mass | [M☉] | 0.591 (0.01) | 0.5871997127078348 (0.01) | 0.647 (0.004) | 0.593 (0.01) | 0.588 | 0.7 (0.1) | 1.35 (0.1) | 0.7 (0.1) | 0.602 (0.009) | ||||||||
log(Luminosity) | [L☉] | -3.56 (0.1) | ||||||||||||||||
Cooling age | [Gyr] | 1.8800 | 1.7470 (0.06) | 1.7210 | 2.0200 (0.9) | |||||||||||||
log(H/He) | ||||||||||||||||||
log(C/He) | ||||||||||||||||||
log(Ca/He) | ||||||||||||||||||
log(Ca/H) | <-11.540 | |||||||||||||||||
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] | 37.08 (0.04) | 37.08 (0.04) | 37.04 (0.07) | 37.04 (0.07) | 37.04 (0.07) | 38.50 (6) | 37.08 | 37.08 (0.04) | 37.04 (0.07) | 39.30 (55) | |||||||
Distance | [pc] | 26.97 (0.03) | 26.97 (0.03) | 27.00 (0.05) | 27.00 (0.05) | 27.00 (0.05) | 7.00 | 25.97 (4) | 26.97 | 26.97 (0.03) | 27.00 (0.05) | 25.45 (36) | ||||||
Composition | H | H | H | H | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | -204.9950803 (0.05) | -205.0583043 (0.1) | -204.995 (0.05) | -205.0583043 | |||||||||||||
Proper motion (declination) | [mas/yr] | -18.85296946 (0.04) | -19.04534116 (0.09) | -18.853 (0.04) | -19.04534116 | |||||||||||||
Variability | ||||||||||||||||||
Magnetic | yes | yes | yes | |||||||||||||||
Bd | [MG] | 2.3 | ||||||||||||||||
Infrared excess (disk) | ||||||||||||||||||
Binarity | ||||||||||||||||||
B magnitude | 16.28 | 16.27 | ||||||||||||||||
V magnitude | 15.88 | 15.89 | ||||||||||||||||
R magnitude | 15.60 | |||||||||||||||||
I magnitude | 15.33 | |||||||||||||||||
J magnitude | 15.04 (0.003) | 15.08 (0.05) | 15.07 | 15.08 (0.05) | ||||||||||||||
H magnitude | 14.90 (0.005) | 14.99 (0.1) | 14.93 | 14.99 (0.1) | ||||||||||||||
K magnitude | 14.84 (0.009) | 14.85 (0.1) | 14.91 | 14.85 (0.1) | ||||||||||||||
u magnitude | ||||||||||||||||||
g magnitude | 16.00 (0.002) | |||||||||||||||||
r magnitude | 15.79 (0.005) | |||||||||||||||||
i magnitude | 15.73 (0.002) | |||||||||||||||||
z magnitude | 15.75 (0.002) | |||||||||||||||||
G magnitude | 15.76 (0.003) | 15.78 | 15.76 | 15.76 (0.003) | 15.78 | |||||||||||||
BP magnitude | 15.98 (0.003) | 15.97 | 15.97 | |||||||||||||||
RP magnitude | 15.40 (0.004) | 15.40 | 15.40 | |||||||||||||||
Pan g magnitude | 16.00 (0.003) | 16.00 (0.002) | 16.00 (0.002) | |||||||||||||||
Pan r magnitude | 15.79 (0.004) | 15.79 (0.005) | 15.79 (0.005) | |||||||||||||||
Pan i magnitude | 15.73 (0.002) | 15.73 (0.002) | 15.73 (0.002) | |||||||||||||||
Pan z magnitude | 15.75 (0.003) | 15.75 (0.002) | 15.76 (0.002) | |||||||||||||||
Pan y magnitude | 15.78 (0.004) | 15.78 (0.003) | 15.78 (0.003) | |||||||||||||||
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.