SIMBAD references

2023ApJ...945L...5Y - Astrophys. J., 945, L5 (2023/March-1)

A Dwarf Galaxy Debris Stream Associated with Palomar 1 and the Anticenter Stream.

YANG Y., ZHAO J.-K., YE X.-H., ZHAO G. and TAN K.-F.

Abstract (from CDS):

We report the discovery of a new stream (dubbed as Yangtze) detected in Gaia Data Release 3. The stream is at a heliocentric distance of ∼9.12 kpc and spans nearly 27° by 1.°9 on the sky. The color-magnitude diagram of Yangtze indicates a stellar population of age ∼11 Gyr and [M/H] ∼ -0.7 dex. It has a number density of about 5.5 stars deg–2 along with a surface brightness of ΣG ≃ 34.9 mag arcsec–2. The dynamics and metallicity estimate suggest that Yangtze may be closely related to Palomar 1 and the Anticenter Stream.

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Milky Way stellar halo - Stellar streams

Simbad objects: 9

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