2025RNAAS...9..292R

Query : 2025RNAAS...9..292R

2025RNAAS...9..292R - Research Notes of the AAS, 9, 292 (2025/October-0)

A Stellar Stream around the Spiral Galaxy Messier 61 in Rubin First Look Imaging.

ROMANOWSKY A.J., MARTINEZ-DELGADO D., DONATIELLO G., MIRO-CARRETERO J. and LAINE S.

Abstract (from CDS):

We present the first stellar stream discovered with the Vera C. Rubin Observatory, around spiral galaxy M61 (NGC 4303) in Virgo First Look imaging. The stream is narrow, radially-oriented in projection, and ∼ 50 kpc long. It has g-band surface brightness μg ∼ 28 AB mag arcsec–2, color g - z ∼ 1.0, and stellar mass M⋆ ∼ 2 × 108M⊙. This dwarf galaxy interaction may have provoked the M61 starburst, and foreshadows the bounty of accretion features expected in the ten-year Rubin Legacy Survey of Space and Time.

Abstract Copyright: © 2025. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Dwarf galaxies - Spiral galaxies - Starburst galaxies - Galaxy stellar halos - Galaxy interactions - Galaxy tides - Tidal tails - Tidal disruption - Low surface brightness galaxies - Galaxies - Galaxy dark matter halos - Galaxy structure

Simbad objects: 5

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Number of rows : 5
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME Sagittarius Stream St* 02 22 +00.0           ~ 1001 0
2 NAME Treasure Chest CGb 10 45 53.0 -59 57 02           ~ 33 2
3 M 61 Sy2 12 21 54.9282582888 +04 28 25.597367184 10.07 10.18 9.65     ~ 1084 1
4 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
5 NAME Local Group GrG ~ ~           ~ 9325 0

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