Ross 808

All names: USNO-B1.0 1268-00267176, TIC 24054308, UBV 13598, LFT 1242, WD 1600+369, FBS B 574, uvby98 980180023, Ci 20 960, PM J16013+3648, UCAC2 44670880, LAWD 61, USNO 166, SDSS J160123.21+364832.4, WDJ160123.19+364834.29, LTT 14769, PLX 3629.1, CSI+36-15594, LSPM J1601+3648, GEN# +9.80180023, V* TY CrB, R 808, Gaia EDR3 1372458109403442432, Ross 808, WD 1559+36, Gaia DR2 1372458109403442432, J1601+3648, LHS 3146, EGGR 115, UBV M 42649, PG 1600+369, NLTT 41782, PLX 3629.10, 2MASS J16012317+3648351, CSI+36-15596, FBS 1559+369, R808, WD 1559+369, 16013+3648, G 180-23, Gaia DR3 1372458109403442432, SDSS J160123.22+364832.4

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 Kilic et al. 2020 McCleery et al. 2020 MWDD H Gaia DR2 Bedard et al. 2017 Stilism Limoges et al. 2015 Gianninas et al. 2011 Castanheira & Kepler 2009 Thompson et al. 2009 Liebert et al. 2005 McGraw & Robinson 1976 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Research Corporation White Dwarf Catalog (McCook & Sion 1999)
Right ascension 16 01 23.32 (0.01) 16 01 23.32 (0.02) 16 01 23.32 (0.02) 16 01 23.32 16 01 23.19 (0.01) 16 01 23.32 16 01 23.33
Declination 36 48 25.56 (0.02) 36 48 25.84 (0.02) 36 48 25.84 (0.02) 36 48 25.56 36 48 34.29 (0.02) 36 48 25.84 36 48 34.92
Spectral type DA DA DA DA DA DA DA DA DA DA4.4 DAV DAV5
Effective temperature [K] 10983.0 (50) 11120.0 (125) 11148.0 (43) 11083.8 (88) 11156.0 11187.0 (165) 11240.0 (162) 11440.0 (168) 11120.0 11120.0 11160.0 (161) 11120.0 10868.0 (52) 11160.0
log(g) [cgs] 7.96 (0.005) 7.97 (0.02) 7.99 (0.005) 7.97 (0.01) 7.99 7.99 (0.05) 8.00 (0.05) 8.10 (0.05) 7.98 7.98 8.04 (0.05) 7.98 7.95 (0.006) 8.04
Mass [M☉] 0.582 (0.004) 0.588 (0.01) 0.598 (0.004) 0.599 0.61 (0.1) 0.6 (0.03) 0.67 (0.03) 0.63 (0.03) 0.571 (0.005)
log(Luminosity) [L☉] -2.62 -2.66
Cooling age [Gyr] 0.4479 0.5370
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] 30.47 (0.02) 30.47 (0.02) 30.43 (0.03) 30.43 (0.03) 30.20 (3) 30.47 30.47 (0.02) 30.43 (0.03) 34.00 (5)
Distance [pc] 32.82 (0.02) 32.82 (0.02) 32.86 (0.03) 32.86 (0.03) 33.10 (4) 33.10 (4) 31.00 31.00 32.82 32.82 (0.02) 32.86 (0.03) 29.41 (4)
Composition H H H H H
Proper motion (right ascension) [mas/yr] 101.1126841 (0.02) 101.1517182 (0.04) 101.113 (0.02) 101.1517182
Proper motion (declination) [mas/yr] -545.3534824 (0.02) -545.4549115 (0.05) -545.353 (0.02) -545.4549115
Variability VAR VAR VAR VAR VAR VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.53
V magnitude 14.40 14.40 14.36 14.40 14.36
R magnitude 14.70
I magnitude
J magnitude 14.43 (0.03)
H magnitude 14.32 (0.04)
K magnitude 14.39 (0.08)
u magnitude 14.83 (0.004) 14.83 (0.004) 14.76
g magnitude 14.37 (0.003) 14.37 (0.003) 14.47
r magnitude 14.51 (0.003) 14.51 (0.003) 14.52
i magnitude 14.74 (0.003) 14.74 (0.003) 14.61
z magnitude 14.89 (0.005) 14.89 (0.005) 14.97
G magnitude 14.41 (0.003) 14.43 14.43 14.41 14.41 (0.003) 14.43
BP magnitude 14.44 (0.003) 14.43 14.43
RP magnitude 14.39 (0.002) 14.40 14.40
Pan g magnitude 14.37 (0.002)
Pan r magnitude 14.52 (0.005)
Pan i magnitude 14.73 (0.004)
Pan z magnitude 14.91 (0.002)
Pan y magnitude 15.05 (0.007)
E(B-V) 0.004
Period #1 [s] 404.5 404.5 833.0
Amplitude #1 [mma] 2.1 2
Period #2 [s] 511.3 511.3
Amplitude #2 [mma] 4.6 4.5
Period #3 [s] 745.1 629.2
Amplitude #3 [mma] 4.2 1.9
Period #4 [s] 796.3 632.2
Amplitude #4 [mma] 3.8 3.4
Period #5 [s] 877.9 745.1
Amplitude #5 [mma] 4.3 4.0
Period #6 [s] 907.6 796.3
Amplitude #6 [mma] 5.9 4.0
Period #7 [s] 956.5 842.7
Amplitude #7 [mma] 3.5 2.8
Period #8 [s] 1079.1 860.2
Amplitude #8 [mma] 2.6 3.5
Period #9 [s] 875.1
Amplitude #9 [mma] 3.7
Period #10 [s] 878.5
Amplitude #10 [mma] 3.6
Period #11 [s] 898.7
Amplitude #11 [mma] 3.6
Period #12 [s] 908.4
Amplitude #12 [mma] 7.6
Period #13 [s] 911.5
Amplitude #13 [mma] 3.2
Period #14 [s] 914.7
Amplitude #14 [mma] 3.9
Period #15 [s] 915.8
Amplitude #15 [mma] 5.5
Period #16 [s] 922.5
Amplitude #16 [mma] 3.4
Period #17 [s] 952.4
Amplitude #17 [mma] 3.4
Period #18 [s] 960.5
Amplitude #18 [mma] 3.7
Period #19 [s] 1011.4
Amplitude #19 [mma] 2.5
Period #20 [s] 1040.1
Amplitude #20 [mma] 3.3
Period #21 [s] 1042.1
Amplitude #21 [mma] 2.9
Period #22 [s] 1066.7
Amplitude #22 [mma] 2.2
Period #23 [s] 1091.1
Amplitude #23 [mma] 2.4
Period #24 [s] 1144.0
Amplitude #24 [mma] 2.5
Period #25 [s] 2459.1
Amplitude #25 [mma] 2.2

* Constant surface field

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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.