WISE 0146+4234B

Discovery Data

• Name: WISE J014656.66+423410.0B
• Paper: Dupuy, Liu, & Leggett (2015)
• Spectral Type: Y0 (spectral decomposition)

Photometry

Spitzer

• Martin et al. (2018): combined light [3.6] = 17.360 (0.089), combined light [4.5] = 15.069 (0.022)

Ground

• Dupuy, Liu, & Leggett (2015): Y(NIRI/Gemini+NIRC2/Keck-MKO)=22.85 (0.19), J(NIRI/Gemini+NIRC2/Keck-MKO)=22.05 (0.07), H(NIRI/Gemini+NIRC2/Keck+MKO)=22.69 (0.17)

Parallax & Proper Motion

• Lodieu, Béjar, Rebolo (2013): μ_αcos(δ)=−520 (80) mas yr−1, μ_δ=−110 (80) mas yr−1
• Beichman et al. (2014): combined light - π=94 (14) mas, d=10.6 (1.5) pc, μ_αcos(δ)=−441 (13) mas yr−1, μ_δ=−26 (16) mas yr−1
• Leggett et al. (2017): combined light - π=54 (5) mas, d= 18.5 (1.7) pc, μ_αcos(δ)=−455 (4) mas yr−1, μ_δ=−24 (4) mas yr−1
• Martin et al. (2018): combined light - π=45.575 (5.74) mas, d= 21.94 (+3.16 −2.45) pc, μ_αcos(δ)=−450.67 (6.29) mas yr−1, μ_δ=−27.90 (6.34) mas yr−1
• Kirkpatrick et al. (2019): combined light - π=52.5 (2.3) mas, d= 19.05 (0.83) pc, μ_αcos(δ)=−452.0 (1.2) mas yr−1, μ_δ=−27.9 (1.2) mas yr−1

Binarity

• Dupuy, Liu, & Leggett (2015): Discovered WISE J014656.66+423410.0, originally classified as a Y0 dwarf by Kirkpatrick et al. (2012), was a binary.

Notes

• Kirkpatrick et al. (2012) originally identified this source, WISE J014656.66+423410.0, as a Y0 dwarf. Its AllWISE designation is WISEA 014656.66+423410.0 with W1>19.137, W2=15.083 (0.065), W3=12.447, W4>9.254.
• Kirkpatrick et al. (2012): Combined-light photometry of WISE J014656.66+423410.0, J(Bigelow)=19.40 (0.25), H(Bigelow)=18.71 (0.24), [3.6]=17.50 (0.07), [4.5]=15.08 (0.02)
• Lodieu, Béjar, Rebolo (2013): Combined-light photometry of z(OSIRIS/GTC)=24.10 (0.13).
• Beichman et al. (2014): Combined-light photometry of WISE J014656.66+423410.0, H(NIRC2/Keck-MKO)=20.91 (0.21), [3.6]=17.42 (0.05), [4.5]=15.05 (0.03)
• Dupuy, Liu, & Leggett (2015): Combined-light photometry of WISE J014656.66+423410.0, Y(NIRI/Gemini-MKO)=21.60 (0.15), J(NIRI/Gemini-MKO)=20.69 (0.07), H(NIRI/Gemini-MKO)=21.30 (0.12), K(NIRI/Gemini-MKO)=22.4 (0.4).
• Dupuy, Liu, & Leggett (2015): Obtained a GNIRS, 0.9-2.4 um, R=750 combined-light spectrum of WISE J014656.66+423410.0.