2025RNAAS...9..298P

Query : 2025RNAAS...9..298P

2025RNAAS...9..298P - Research Notes of the AAS, 9, 298 (2025/November-0)

What ZTF Saw Where Rubin Looked: Anomaly Hunting in DR23.

PRUZHINSKAYA M.V., LAVRUKHINA A.D., SEMENIKHIN T.A., VOLNOVA A.A., SREEJITH S., KRUSHINSKY V.V., GANGLER E., ISHIDA E.E.O., KORNILOV M.V., MALANCHEV K.L. (The SNAD Team)

Abstract (from CDS):

We present results from the SNAD VIII Workshop, during which we conducted the first systematic anomaly search in the Zwicky Transient Facility fields also observed by LSST commissioning camera during Rubin Scientific Pipeline commissioning. Using the PineForest active anomaly detection (AD) algorithm, we analysed four selected fields (two galactic and two extragalactic) and visually inspected 400 candidates. As a result, we discovered six previously uncatalogued variable stars, including RS CVn, BY Draconis, ellipsoidal, and solar-type variables, and refined classifications and periods for six known objects. These results demonstrate the effectiveness of the SNAD AD pipeline and provide a preview of the discovery potential in the upcoming LSST data.

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

Journal keyword(s): Time domain astronomy - Supernovae - Time series analysis - Transient detection

Simbad objects: 14

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Number of rows : 14
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 AT 2022zgk ev 02 29 40.455 +06 40 39.74           ~ 1 0
2 2MASS J02302482+0728081 * 02 30 24.8267594437 +07 28 08.258054268           ~ 1 0
3 ZTF 452216400002679 EB* 02 33 20.1878739794 +07 07 08.468522338           ~ 2 0
4 NAME Extended Chandra Deep Field South reg 03 32 30.0 -27 48 20           ~ 862 0
5 ATO J094.6486-24.8319 EB? 06 18 35.7063187338 -24 49 55.201165737       13.991   ~ 2 0
6 DENIS J061938.4-250957 LP? 06 19 38.4924416880 -25 09 57.228826464   13.91 12.77 12.88 11.68 ~ 5 0
7 ZTF 258207200007316 * 06 21 28.8701723369 -24 45 37.860386951           ~ 1 0
8 2MASS J07043457-1018099 El* 07 04 34.5839040736 -10 18 10.114067995           ~ 1 0
9 2MASS J07043797-1043378 * 07 04 37.9774997396 -10 43 37.843832097           ~ 1 0
10 2MASS J07043819-1031586 RS* 07 04 38.1984970232 -10 31 58.767701055           ~ 1 0
11 2MASS J07044173-1054260 RS* 07 04 41.7313830697 -10 54 26.178263093           ~ 2 0
12 2MASS J07044518-1059501 BY* 07 04 45.1750077241 -10 59 50.311213068           ~ 3 0
13 ATO J106.1908-10.7383 V* 07 04 45.8006612555 -10 44 17.925666948           ~ 2 0
14 ZTF J070713.15-103751.6 LP* 07 07 13.1613752850 -10 37 51.650085848   15.713 15.125 15.332   ~ 3 0

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