All names: WD 1537+65, 15377+6501, SDSS J153744.36+650149.4, USNO-B1.0 1550-00177964, Gaia EDR3 1641386833807056640, J1537+6501, WD 1537+652, LSPM J1537+6501, Gaia DR2 1641386833807056640, CHSS 2776, GALEX J153744.3+650149, uvby98 610060348, 2MASS J15374445+6501487, TIC 198316592, WDJ153744.44+650148.75, WD 1537+651, UBV M 43072, NLTT 40817, Gaia DR3 1641386833807056640, PM J15377+6501, GD 348, PG 1537+652, LP 68-208, GEN# +6.10060348
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Zuckerman et al. 2003 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 37 44.14 (0.02) | 15 37 44.15 (0.02) | 15 37 44.15 (0.02) | 15 37 44.14 | 15 37 44.44 (0.02) | 15 37 44.15 | 15 37 44.78 | ||||||||||||
| Declination | 65 01 51.42 (0.02) | 65 01 51.34 (0.02) | 65 01 51.34 (0.02) | 65 01 51.42 | 65 01 48.75 (0.02) | 65 01 51.34 | 65 01 34.32 | ||||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA5.1 | DA5 | ||||||||
| Effective temperature | [K] | 9480.0 (20) | 9589.0 (79) | 9176.0 (19) | 9538.3 (32) | 9480.0 (19) | 9496.0 | 9660.0 (141) | 9820.0 (144) | 9740.0 (142) | 9640.0 | 9542.0 (35) | |||||||
| log(g) | [cgs] | 7.99 (0.004) | 8.00 (0.02) | 7.94 (0.003) | 7.99 (0.009) | 7.98 (0.003) | 7.99 | 7.98 (0.06) | 8.23 (0.06) | 8.15 (0.06) | 7.91 | 8.00 (0.006) | |||||||
| Mass | [M☉] | 0.59 (0.003) | 0.6 (0.01) | 0.563 (0.003) | 0.589 (0.003) | 0.591 | 0.59 (0.03) | 0.74 (0.04) | 0.69 (0.04) | 0.596 (0.005) | |||||||||
| log(Luminosity) | [L☉] | -2.88 | -2.96 | ||||||||||||||||
| Cooling age | [Gyr] | 0.7300 | 0.6774 | 0.9120 | |||||||||||||||
| log(H/He) | |||||||||||||||||||
| log(C/He) | |||||||||||||||||||
| log(Ca/He) | |||||||||||||||||||
| log(Ca/H) | <-10.335 | ||||||||||||||||||
| 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] | 34.66 (0.02) | 34.66 (0.02) | 34.63 (0.02) | 34.63 (0.02) | 34.63 (0.02) | 34.66 | 34.66 (0.02) | 34.63 (0.02) | ||||||||||
| Distance | [pc] | 28.85 (0.01) | 28.85 (0.02) | 28.88 (0.02) | 28.88 (0.02) | 28.88 (0.02) | 31.10 (0.9) | 25.00 | 27.00 | 28.85 | 28.85 (0.01) | 28.88 (0.02) | |||||||
| Composition | H | H | H | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -117.0831467 (0.02) | -117.1875495 (0.04) | -117.083 (0.02) | -117.1875495 | ||||||||||||||
| Proper motion (declination) | [mas/yr] | 167.3862815 (0.02) | 167.3146489 (0.05) | 167.386 (0.02) | 167.3146489 | ||||||||||||||
| Variability | NOV | ||||||||||||||||||
| Magnetic | |||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||
| Binarity | |||||||||||||||||||
| B magnitude | 14.83 | ||||||||||||||||||
| V magnitude | 14.64 | ||||||||||||||||||
| R magnitude | 14.60 | ||||||||||||||||||
| I magnitude | |||||||||||||||||||
| J magnitude | 14.46 (0.03) | 14.46 | 14.46 (0.03) | ||||||||||||||||
| H magnitude | 14.45 (0.05) | 14.42 | 14.45 (0.05) | ||||||||||||||||
| K magnitude | 14.47 (0.09) | 14.39 | 14.47 (0.09) | ||||||||||||||||
| u magnitude | 15.26 (0.03) | 15.26 (0.005) | 15.26 (0.005) | ||||||||||||||||
| g magnitude | 14.75 (0.004) | 14.75 (0.004) | |||||||||||||||||
| r magnitude | 15.89 (0.01) | 15.89 (0.01) | |||||||||||||||||
| i magnitude | 14.91 (0.004) | 14.91 (0.004) | |||||||||||||||||
| z magnitude | 14.96 (0.005) | 14.96 (0.005) | |||||||||||||||||
| G magnitude | 14.62 (0.001) | 14.64 | 14.64 | 14.62 | 14.62 (0.003) | 14.64 | |||||||||||||
| BP magnitude | 14.68 (0.001) | 14.68 | 14.68 | ||||||||||||||||
| RP magnitude | 14.50 (0.001) | 14.50 | 14.50 | ||||||||||||||||
| Pan g magnitude | 14.65 (0.002) | 14.65 (0.002) | |||||||||||||||||
| Pan r magnitude | 14.70 (0.002) | 14.70 (0.002) | |||||||||||||||||
| Pan i magnitude | 14.83 (0.002) | 14.83 (0.002) | |||||||||||||||||
| Pan z magnitude | 14.96 (0.002) | 14.96 (0.001) | |||||||||||||||||
| Pan y magnitude | 15.07 (0.002) | 15.07 (0.002) | |||||||||||||||||
| E(B-V) | 0.003 | ||||||||||||||||||
* 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.