WISE 2220-3628

Discovery Data

• Name: WISE J222055.31−362817.4
• Paper: Kirkpatrick et al. (2012)
• Spectral type: Y0

Photometry

Spitzer

• Kirkpatrick et al. (2012): [3.6]=17.20 (0.06), [4.5]=14.73 (0.02)
• Beichman et al. (2014): [3.6]=17.17 (0.05), [4.5]=14.75 (0.03)
• Schneider et al. (2015): [3.6]=17.200 (0.057), [4.5]=14.736 (0.021)
• Martin et al. (2018): [3.6] = 17.180 (0.072), [4.5] = 14.742 (0.020)
• Kirkpatrick et al. (2019): [3.6] = 17.200 (0.057), [4.5] = 14.736 (0.021)

HST

• Beichman et al. (2014): F125W=21.21 (0.05)
• Schneider et al. (2015): F105W=21.638 (0.027), F125W=20.997 (0.005)

Ground

• Kirkpatrick et al. (2012): J(IRIS2/AAT)=20.38 (0.17), H(IRIS2/AAT)=20.81 (0.30)
• Tinney et al. (2014): J3(FourStar/Magellan)=20.13 (0.02)
• Leggett et al. (2015): Y(NIRI/Gemini-MKO)=20.91 (0.09), J(NIRI/Gemini-MKO)=20.64 (0.05), H(NIRI/Gemini-MKO)=20.96 (0.08), K(NIRI/Gemini-MKO)=21.33 (0.15)

Spectroscopy

• Kirkpatrick et al. (2012): NIRSPEC/Keck, J and H, R=2000
• Schneider et al. (2015): WFC3/HST, 0.9-1.1 μm, R=210 and WFC3/HST, 1.1-1.70 μm, R=130 [ASCII] [PNG]

Parallax & Proper Motion

• Beichman et al. (2014): π=135 (17) mas, d=7.4 (0.9) pc, μ_αcos(δ)=+283 (13) mas yr−1, μ_δ=-97 (17) mas yr−1
• Tinney et al. (2014): π=87.2 (3.7) mas, d= 11.5 (0.5) pc, μ=297.9 (5.2) mas yr−1, P.A. (deg)=108.4 (0.5)
• Martin et al. (2018): π= 84.10 (5.90) mas, d= 11.89 (+0.90 −0.78) pc, μ_αcos(δ)=+292.91 (7.43) mas yr−1, μ_δ=−61.46 (7.04) mas yr−1
• Kirkpatrick et al. (2019): π=97.0 (2.4) mas, d= 10.31 (0.26) pc, μ_αcos(δ)=286.8 (1.2) mas yr−1, μ_δ=−81.4 (1.2) mas yr−1