Object lsst:170296773094408228

Portals

https://antares.noirlab.edu/loci/ANT2026e4eg286ft38y

https://lsst.fink-portal.org/170296773094408228

DogsHeaven Observatory Alert Report

🚨 RED ALERT: PIVOTAL OBJECT MATCH 🚨

ObjectName: COSMOS-Web (JWST 2026)
AstrophysicalReason: New high-resolution weak lensing map of large-scale structure
Importance: JWST's largest dark matter survey
Diamarcmin: 40.0

            

Object Information (Rubin / FINK):
	DiaObject ID:		170296773094408228
	DiaSource ID:		170296773094408228

	RA (J2000)
		Decimal:		149.995171
		Sexage.:		09:59:58.8

	DEC (J2000)
		Decimal:		1.959590
		Sexage.:		+01:57:34.5

	Discovery Mag:		16.56
	Detection band:		g

Discovery Timing:
	Discovery Date (UTC):	2026-04-21T00:50:17.647
	Discovery Date (Local - Brasília):	2026-04-20 21:50:17
	Time Since Discovery:	33:31:27	 Hours

Rubin Detection Quality:
	Reliability:		1.000
	SNR:				1058.82
	Extendedness:		0.111
	Number of detections:	1

FINK Machine Learning Classification:

	CATS Class ID:		-1
	Interpreted Class:	Unknown
	CATS Probability:	0.000

	SuperNNova Score:	0.582
	Early SN Ia Probability:	N/A
	SLSN Probability:	N/A

	First Detection Flag:	True

ANTARES Classification:

	Channel:		FAST
	Label:			⭐ COSMOS-Web (JWST 2026) (NEW UNIDENTIFIED)
	Probability:	1.000

Crossmatches:

	Gaia DR3 Name:	None
	Parallax:		N/A
	Variab. Flag:	0

	TNS Name:		None
	TNS Type:		N/A
	Redshift:		N/A

Solar System:

	SS Object ID:		None

Observation Context:

	Rubin Field:		lowdust, ddf_cosmos
	Observation Reason:	ddf_cosmos

Cross-Broker Validation:

	FINK ↔ ANTARES separation:	0.000000 deg

Observational Conditions:

	Moon separation:		58.90 deg
	Altitude at detection:	46.21 deg
	Current Altitude:		-71.43 deg

	Rise time:		2026-04-22 14:11:58.951616-03:00
	Set time:		2026-04-22 02:09:47.212560-03:00

========================================

Full Raw Alert JSON

        {
  "num_alerts": 1,
  "num_mag_values": 1,
  "brightest_alert_id": "lsst:170296773094408228",
  "brightest_alert_magnitude": 16.56344050547469,
  "brightest_alert_observation_time": 61151.03535470987,
  "newest_alert_id": "lsst:170296773094408228",
  "newest_alert_magnitude": 16.56344050547469,
  "newest_alert_observation_time": 61151.03535470987,
  "oldest_alert_id": "lsst:170296773094408228",
  "oldest_alert_magnitude": 16.56344050547469,
  "oldest_alert_observation_time": 61151.03535470987,
  "is_corrected": "true",
  "survey": {
    "ztf": {
      "id": [],
      "rcid": [],
      "field": [],
      "ssnamenr": []
    },
    "lsst": {
      "dia_object_id": [
        "170296773094408228"
      ],
      "ss_object_id": []
    }
  }
}

FINK Broker Data

Field	Value
f:clf_cats_class	-1
f:clf_cats_score	0.0
f:clf_earlySNIa_score	-1.0
f:clf_snnSnVsOthers_score	0.5823076
f:fink_broker_version	5.0rc0
f:fink_science_version	8.44.0
f:firstDiaSourceMjdTaiFink	61151.0353547099
f:is_cataloged	False
f:is_first	True
f:is_sso	False
f:lsst_schema_version	lsst.v10_0
f:main_label_classifier	-1
f:main_label_crossmatch	nan
f:pixel1024	6078122
f:xm_gaiadr3_DR3Name	nan
f:xm_gaiadr3_VarFlag	0
f:xm_legacydr8_e_zphot	None
f:xm_legacydr8_fqual	None
f:xm_legacydr8_pstar	None
f:xm_legacydr8_zphot	None
f:xm_simbad_otype	nan
r:apFlux	658148.9
r:apFluxErr	629.2035
r:apFlux_flag	False
r:apFlux_flag_apertureTruncated	False
r:band	g
r:bboxSize	30
r:centroid_flag	False
r:dec	1.9595902863
r:decErr	1.609e-07
r:detector	86
r:diaObjectId	170296773094408228
r:diaSourceId	170296773094408228
r:dipoleFitAttempted	False
r:dipoleNdata	0
r:extendedness	0.11147783
r:forced_PsfFlux_flag	False
r:forced_PsfFlux_flag_edge	False
r:forced_PsfFlux_flag_noGoodPixels	False
r:g_psfFluxErrMean	819.52234
r:g_psfFluxMax	860248.25
r:g_psfFluxMaxSlope	None
r:g_psfFluxMean	860248.25
r:g_psfFluxMeanErr	819.52234
r:g_psfFluxMin	860248.25
r:g_psfFluxNdata	1
r:g_psfFluxSigma	None
r:g_scienceFluxMean	873428.6
r:g_scienceFluxMeanErr	819.3365
r:glint_trail	False
r:i_psfFluxErrMean	None
r:i_psfFluxMax	None
r:i_psfFluxMean	None
r:i_psfFluxMeanErr	None
r:i_psfFluxMin	None
r:i_psfFluxNdata	0
r:i_scienceFluxMean	None
r:i_scienceFluxMeanErr	None
r:isDipole	False
r:isNegative	False
r:ixx	0.13773325
r:ixxPSF	0.17146946
r:ixy	8.18158e-05
r:ixyPSF	-0.013079762
r:iyy	0.14297509
r:iyyPSF	0.16576493
r:midpointMjdTai	61151.0353547099
r:nDiaSources	1
r:observation_reason	ddf_cosmos
r:parentDiaSourceId	0
r:pixelFlags	False
r:pixelFlags_bad	False
r:pixelFlags_cr	False
r:pixelFlags_crCenter	False
r:pixelFlags_edge	False
r:pixelFlags_injected	False
r:pixelFlags_injectedCenter	False
r:pixelFlags_injected_template	False
r:pixelFlags_injected_templateCenter	False
r:pixelFlags_interpolated	False
r:pixelFlags_interpolatedCenter	False
r:pixelFlags_nodata	False
r:pixelFlags_nodataCenter	False
r:pixelFlags_offimage	False
r:pixelFlags_saturated	False
r:pixelFlags_saturatedCenter	False
r:pixelFlags_streak	False
r:pixelFlags_streakCenter	False
r:pixelFlags_suspect	False
r:pixelFlags_suspectCenter	False
r:psfChi2	2231603.5
r:psfFlux	860248.25
r:psfFluxErr	819.52234
r:psfFlux_flag	False
r:psfFlux_flag_edge	False
r:psfFlux_flag_noGoodPixels	False
r:psfNdata	1681
r:r_psfFluxErrMean	None
r:r_psfFluxMax	None
r:r_psfFluxMean	None
r:r_psfFluxMeanErr	None
r:r_psfFluxMin	None
r:r_psfFluxNdata	0
r:r_scienceFluxMean	None
r:r_scienceFluxMeanErr	None
r:ra	149.9951707944
r:raErr	1.621e-07
r:ra_dec_Cov	-9.107644e-16
r:reliability	1.0
r:scienceFlux	873428.6
r:scienceFluxErr	819.3365
r:shape_flag	False
r:shape_flag_no_pixels	False
r:shape_flag_not_contained	False
r:shape_flag_parent_source	False
r:snr	1058.8241
r:ssObjectId	0
r:target_name	lowdust, ddf_cosmos
r:templateFlux	18.891684
r:templateFluxErr	12.588452
r:timeProcessedMjdTai	61151.0366850136
r:trailAngle	127.9519
r:trailDec	1.9595905686
r:trailFlux	801579.1
r:trailFluxErr	0.5329534
r:trailLength	0.24947417
r:trailNdata	0
r:trailRa	149.995171068
r:trail_flag_edge	False
r:u_psfFluxNdata	0
r:validityStartMjdTai	61151.0367419604
r:visit	2026042000105
r:x	3304.4387
r:xErr	0.0028517372
r:y	1197.0924
r:yErr	0.0029550577
r:y_psfFluxNdata	0
r:z_psfFluxNdata	0
r:z_psfFluxErrMean	None
r:z_psfFluxMax	None
r:z_psfFluxMean	None
r:z_psfFluxMeanErr	None
r:z_psfFluxMin	None
r:z_scienceFluxMean	None
r:z_scienceFluxMeanErr	None
r:dipoleAngle	None
r:dipoleChi2	None
r:dipoleFluxDiff	None
r:dipoleFluxDiffErr	None
r:dipoleLength	None
r:dipoleMeanFlux	None
r:dipoleMeanFluxErr	None
r:i_psfFluxMaxSlope	None
r:i_psfFluxSigma	None
r:r_psfFluxMaxSlope	None
r:r_psfFluxSigma	None
r:u_psfFluxErrMean	None
r:u_psfFluxMax	None
r:u_psfFluxMean	None
r:u_psfFluxMeanErr	None
r:u_psfFluxMin	None
r:u_scienceFluxMean	None
r:u_scienceFluxMeanErr	None
r:y_psfFluxErrMean	None
r:y_psfFluxMax	None
r:y_psfFluxMean	None
r:y_psfFluxMeanErr	None
r:y_psfFluxMin	None
r:y_scienceFluxMean	None
r:y_scienceFluxMeanErr	None
f:xm_gaiadr3_Plx	None
f:xm_gaiadr3_e_Plx	None
r:z_psfFluxMaxSlope	None
r:z_psfFluxSigma	None
r:u_psfFluxMaxSlope	None
r:u_psfFluxSigma	None
r:y_psfFluxMaxSlope	None
r:y_psfFluxSigma	None
f:clf_elephant_kstest_science	None
f:clf_elephant_kstest_template	None
v:separation_degree	0.0