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Top panel: the YSOs within the Magakian 77 refl...

Top panel: the YSOs within the Magakian 77 reflection nebula are identified in this Two ...

Bo Reipurth et al, The Astronomical Journal 171 5

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The large highly structured reflection nebula M...

The large highly structured reflection nebula Magakian 77 surrounds the little group of ...

Bo Reipurth et al, The Astronomical Journal 171 5

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The relative proper motions of the stars G2, KP...

The relative proper motions of the stars G2, KPNO 15, G1, and G3 in a reference system b...

Bo Reipurth et al, The Astronomical Journal 171 5

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HIRES spectrum taken on 2005 December 21, by Ge...

HIRES spectrum taken on 2005 December 21, by George Herbig showing the Hα emission-line ...

Bo Reipurth et al, The Astronomical Journal 171 5

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Part of an iSHELL spectrum of HP Tau/G2 and HP ...

Part of an iSHELL spectrum of HP Tau/G2 and HP Tau with v sini of ∼130 km s−1 and 17 km ...

Bo Reipurth et al, The Astronomical Journal 171 5

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Comparison of the 2.0–2.4 μm SpeX spectrum of G...

Comparison of the 2.0–2.4 μm SpeX spectrum of G2 and the G2IV standard star HD126868 wit...

Bo Reipurth et al, The Astronomical Journal 171 5

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The g-light curve of HP Tau G2 from 2018 Novemb...

The g-light curve of HP Tau G2 from 2018 November 28, to 2024 January 16, as observed by...

Bo Reipurth et al, The Astronomical Journal 171 5

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Nonhierarchical triple systems are unstable, an...

Nonhierarchical triple systems are unstable, and will eject one component typically afte...

Bo Reipurth et al, The Astronomical Journal 171 5

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Application of the rigid rotator model to the s...

Application of the rigid rotator model to the star HP Tau/G2, showing stellar mass (M) a...

Bo Reipurth et al, The Astronomical Journal 171 5

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A figure illustrating the oblate shape of G2 wi...

A figure illustrating the oblate shape of G2 with gravity darkening. The flattening (Req...

Bo Reipurth et al, The Astronomical Journal 171 5

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Low-resolution optical spectra of KPNO 15 and G...

Low-resolution optical spectra of KPNO 15 and G1 show that both stars are weak-line T Ta...

Bo Reipurth et al, The Astronomical Journal 171 5

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Low-resolution near-infrared spectra of KPNO 15...

Low-resolution near-infrared spectra of KPNO 15 and G1, which show that they have very l...

Bo Reipurth et al, The Astronomical Journal 171 5

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G2 was observed by TESS in Sectors 70 and 71 in...

G2 was observed by TESS in Sectors 70 and 71 in 2023 October. The observations confirm t...

Bo Reipurth et al, The Astronomical Journal 171 5

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The TESS light curve of KPNO 15 as observed in ...

The TESS light curve of KPNO 15 as observed in Sector 70 and 71. KPNO 15 is a well-behav...

Bo Reipurth et al, The Astronomical Journal 171 5

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The limit between Darwin stable and Darwin unst...

The limit between Darwin stable and Darwin unstable binaries is a steep function of the ...

Bo Reipurth et al, The Astronomical Journal 171 5

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The motions of G1, G2, G3, KPNO 15, and HP Tau ...

The motions of G1, G2, G3, KPNO 15, and HP Tau are shown in this figure in the time inte...

Bo Reipurth et al, The Astronomical Journal 171 5

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12CO J = 3–2 in five channel maps displayed as ...

12CO J = 3–2 in five channel maps displayed as three-color images in which three ∼1 km s...

Bo Reipurth et al, The Astronomical Journal 171 5

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Left panels: spatial-velocity cuts through the ...

Left panels: spatial-velocity cuts through the 12CO data cube, in which the horizontal a...

Bo Reipurth et al, The Astronomical Journal 171 5

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The location of a number of FUors (black diamon...

The location of a number of FUors (black diamonds) compared with evolutionary tracks and...

Bo Reipurth et al, The Astronomical Journal 171 5

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A 13CO map of the region around the HP Tau grou...

A 13CO map of the region around the HP Tau group (top panel). Emission from 13CO is dete...

Bo Reipurth et al, The Astronomical Journal 171 5

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The reflection nebula around G2 as seen with HS...

The reflection nebula around G2 as seen with HST through several broadband filters (Cred...

Bo Reipurth et al, The Astronomical Journal 171 5

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An optical image of the Magakian 77 reflection ...

An optical image of the Magakian 77 reflection nebula with the three main rims identifie...

Bo Reipurth et al, The Astronomical Journal 171 5

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HD 283572 is located near the little cloud B214...

HD 283572 is located near the little cloud B214, close to RY Tau, which illuminates the ...

Bo Reipurth et al, The Astronomical Journal 171 5

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Profiles of 12CO and 13CO toward a circular are...

Profiles of 12CO and 13CO toward a circular area with radius 15...

Bo Reipurth et al, The Astronomical Journal 171 5

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A photospheric temperature map of HD 283572 fro...

A photospheric temperature map of HD 283572 from I. Joncour et al. (1994) obtained with ...

Bo Reipurth et al, The Astronomical Journal 171 5

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