WISE 1541-2250

Discovery Data

• Name: WISEP J154151.65−225025.2
• Paper: Cushing et al. (2011)
• Spectral type: Y0

Spectral Type History

• Cushing et al. (2011): Y0
• Kirkpatrick et al. (2012): Y0.5?
• Schneider et al. (2015): Y1

Photometry

WISE

• Leggett et al. (2017): AllWISE W3 (mag)=12.2 (0.3) [not in catalog]

Spitzer

• Kirkpatrick et al. (2012): [3.6]=16.73 (0.04), [4.5]=14.23 (0.02)
• Leggett et al. (2013): [3.6]=16.92 (0.02), [4.5]=14.12. (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]=16.70 (0.05), [4.5]=14.21 (0.03)
• Schneider et al. (2015): [3.6]=16.658 (0.042), [4.5]=14.228 (0.019)
• Martin et al. (2018): [3.6] = 16.512 (0.046), [4.5] = 14.227 (0.018)

HST

• Beichman et al. (2014): F105W=21.41 (0.01)
• Beichman et al. (2014): F125W=21.69 (0.05)
• Schneider et al. (2015): F105W=22.204 (0.044), F125W=21.871 (0.023)

Ground

• Cushing et al. (2011): J(NEWFIRM/Blanco)=21.16 (0.36), H(NEWFIRM/Blanco)=20.99 (0.52)
• Kirkpatrick et al. (2012): J(NEWFIRM/Blanco)=20.74 (0.31), H(NEWFIRM/Blanco)>20.2 [updated from Cushing et al. (2011)
• Leggett et al. (2013): Y(NIRI/Gemini-MKO)=21.63 (0.13), J(NIRI/Gemini-MKO)=21.12 (0.06), H(NIRI/Gemini-MKO)=22.17 (0.25)
• Beichman et al. (2014): H(NIRC2/Keck-MKO)=21.54 (0.011)
• Tinney et al. (2014): J3(FourStar/Magellan)=20.99 (0.03)
• Leggett et al. (2015): H(NIRI/Gemini-MKO)=21.07 (0.07), K(NIRI/Gemini-MKO)=21.7 (0.2)

Spectroscopy

• Cushing et al. (2011): FIRE/Magellan, 0.9-2.4 μm, R=250-350
• 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

• Marsh et al. (2013): pi=21 (94) mas, d>6 pc, μ_αcos(δ)=−983 (111) mas yr−1, μ_δ=+276 (116) mas yr−1
• Beichman et al. (2014): pi=176 (9) mas, d=5.7 (0.3) pc, μ_αcos(δ)=−857 (12) mas yr−1, μ_δ=−87 (13) mas yr−1
• Dupuy & Kraus (2013): pi=74 (31) mas, d=14 (+10-4) pc, μ_αcos(δ)=−870 (130) mas yr−1, μ_δ=−13 (58) mas yr−1
• Tinney et al. (2014): π=175.1 (4.4) mas, d= 5.7 (0.1) pc, μ=899.0 (4.2) mas yr−1, P.A. (deg)=264.4 (0.3)
• Martin et al. (2018): π=167.05 (4.19) mas, d= 5.99 (+0.154 −0.147) pc, μ_αcos(δ)=−895.05 (4.68) mas yr−1, μ_δ=−94.73 (4.66) mas yr−1
• Kirkpatrick et al. (2019): π=167.1 (2.3) mas, d= 5.98 (0.08) pc, μ_αcos(δ)=−901.2 (1.2) mas yr−1, μ_δ=−82.4 (1.2) mas yr−1

Binarity

• Opitz et al. (2016): GeMS/Gemini, no evidence for binarity.

Notes

• WISE 1541+1502 is not in the AllWISE catalog.
• Leggett et al. (2017) derived the W3 photometry using the calibrated AllWISE images.