WISE 2056+1459

Discovery Data

• Name: WISEPC J205628.90+145953.3
• Paper: Cushing et al. (2011)
• Spectral type: Y0

Photometry

Spitzer

• Kirkpatrick et al. (2012): [3.6]=16.04 (0.03), [4.5]=13.92 (0.02)
• Leggett et al. (2013): [3.6]=15.90 (0.01), [4.5]=13.89. (0.01) [derived from archived data for GO program 70062 and DDT program 551. A 30 mmag (3%) error should be added in quadrature to the quoted random errors for the IRAC data to account for systematics.]
• Beichman et al. (2014): [3.6]=16.07 (0.05), [4.5]=13.92 (0.03)
• Schneider et al. (2015): [3.6]=16.031 (0.030), [4.5]=13.923 (0.018)
• Leggett et al. (2017): [3.6]=16.06 (0.10)
• Martin et al. (2018): [3.6] = 16.068 (0.032), [4.5] = 13.905 (0.017)

HST

• Kirkpatrick et al. (2012): F140W=19.56 (0.20)
• Beichman et al. (2014): F140W=19.57 (0.04)
• Schneider et al. (2015): F140W=19.524 (0.007)

Ground

• Cushing et al. (2011): J(WIRC/Palomar-MKO)=19.31 (0.12), H(WIRC/Palomar-MKO)>19.5, J(NIRC2/Keck-MKO)=19.21 (0.07), H(NIRC2/Keck-MKO)=19.56 (0.18)
• Kirkpatrick et al. (2012): J(WIRC/Palmar-MKO)=19.23 (0.17), H(WIRC/Palomar-MKO)=19.62 (0.31) [updated from Cushing et al. (2011)]
• Lodieu, Béjar, Rebolo (2013): z(OSIRIS/GTO)=23.09 (0.08)
• Leggett et al. (2013): Y(NIRI/Gemini-MKO)=19.94 (0.05), J(NIRI/Gemini-MKO)=19.43 (0.04), H(NIRI/Gemini-MKO)=19.96 (0.04), K(NIRI/Gemini-MKO)=20.01 (0.06)
• Leggett et al. (2017): M'(NIRI/Gemini-MKO)=13.95 (0.20)

Spectroscopy

• Cushing et al. (2011): NIRSPEC/Keck, J and H, R=2000
• Kirkpatrick et al. (2012): WFC3/HST, 1.1-1.70 μm, R=130
• Leggett et al. (2013): GMOS/Gemini, 850-1050 nm, R=900
• Schneider et al. (2015): WFC3/HST, 1.1-1.70 μm, R=130 [re-reduction of Kirkpatrick et al. (2012)] [ASCII] [PNG]

Parallax & Proper Motion

• Marsh et al. (2013): π=144 (44) mas, d=7.5 (+4.3−1.8) pc, μ_αcos(δ)=881 (57) mas yr−1, μ_δ=544 (42) mas yr−1
• Lodieu, Béjar, Rebolo (2013): μ_αcos(δ)=890 (100) mas yr−1, μ_δ=−1960 (100) mas yr−1
• Beichman et al. (2014): π=140 (9) mas, d=7.1 (0.5) pc, μ_αcos(δ)=+812 (9) mas yr−1, μ_δ=+534 (8) mas yr−1
• Dupuy & Kraus (2013): π=144 (23) mas, d= 6.9 (+1.3−1.0) pc, μ_αcos(δ)=+761 (46) mas yr−1, μ_δ=+500 (21) mas yr−1
• Martin et al. (2018): π= 138.32 (3.86) mas, d= 7.23 (+0.21 −0.20) pc, μ_αcos(δ)=+822.99 (3.37) mas yr−1, μ_δ=+535.72 (3.36) mas yr−1
• Kirkpatrick et al. (2019): π=138.3 (2.2) mas, d= 7.23 (0.12) pc, μ_αcos(δ)=823.2 (1.0) mas yr−1, μ_δ=534.1 (1.0) mas yr−1