LSST + ZTF Inventory of Nuclear Transients and Supernovae

Scanning Summary - February 2026

Updated 2026-05-01 09:02 PST

Scanning Log - February 2026

Data

ZTF/LSST ID - Sources are cross-matched between surveys by cone-searching at the position of the latest alert; each source carries an ID for every survey in which it has been detected.

Peak, first & last - All photometric statistics are derived from the combined ZTF + LSST light curve. The listed filter and survey identify the specific detection from which each value was measured.

Data source - Photometry, spectroscopic classifications, host redshifts, and follow-up status are retrieved from Fritz, the LIONS group alert marshal.

Row colours

Classified source
Observing window expired
Poor observability (<3 hr above airmass 2) - shown in separate table below, excluded from sample

Magnitude trend (mLast)

 Getting brighter — magnitude decreased vs. previous detection (>1 d ago, same filter)
 Getting fainter — magnitude increased vs. previous detection (>1 d ago, same filter)
 First detection in this filter band
 Latest point is a non-detection

Follow-up badges

New Recently completed (<36 hr) Done Observation complete
Request submitted Request resubmitted
Failed Observation failed Not Obs Not observed
Expired Window expired
Unclassified — In Rubin Footprint
ZTF/LSST IDTNS IDDateScannerFirst DetCommentClassifiedHost Redshiftmlast [mag]age [d]days savedZTF FPSEDM PhotSEDM IFUSEDM IFU PrioNGPSNGPS PrioKASTLRISLRIS PriomPeak [mag]TPeak [MJD]mFirst [mag]TFirst [MJD]mLast [mag]TLast [MJD]ZTF mPeak [mag]ZTF TPeak [MJD]ZTF mFirst [mag]ZTF TFirst [MJD]ZTF mLast [mag]ZTF TLast [MJD]LSST mPeak [mag]LSST TPeak [MJD]LSST mFirst [mag]LSST TFirst [MJD]LSST mLast [mag]LSST TLast [MJD]
ZTF26aahigroAT 2026erl2/26/2026Kaustav DZTFNo0.08255rZTF = 19.38 ± 0.17 (61.2d ago)64.264.3YesExpired1.0Done4.0ExpiredExpired5.0rZTF = 19.30 ± 0.0761097.42 (64.25)iZTF = 19.89 ± 0.1361085.41 (76.26)rZTF = 19.38 ± 0.17 (61.2d ago)61100.45 (61.22)rZTF = 19.30 ± 0.0761097.42 (64.25)iZTF = 19.89 ± 0.1361085.41 (76.26)rZTF = 19.38 ± 0.17 (61.2d ago)61100.45 (61.22)
ZTF26aahknpaAT 2026eft2/27/2026Kaustav DZTFNorZTF = 19.63 ± 0.18 (61.2d ago)61.263.4YesExpired5.0rZTF = 19.63 ± 0.1861100.48 (61.19)gZTF = 20.88 ± 0.1761085.54 (76.13)rZTF = 19.63 ± 0.18 (61.2d ago)61100.48 (61.19)rZTF = 19.63 ± 0.1861100.48 (61.19)gZTF = 20.88 ± 0.1761085.54 (76.13)rZTF = 19.63 ± 0.18 (61.2d ago)61100.48 (61.19)
ZTF26aaijxev2/27/2026Kaustav DZTFNorZTF = 19.95 ± 0.18 (64.2d ago)64.263.4Expired3.0rZTF = 19.95 ± 0.1861097.43 (64.24)iZTF = 20.55 ± 0.2061094.39 (67.28)rZTF = 19.95 ± 0.18 (64.2d ago)61097.43 (64.24)rZTF = 19.95 ± 0.1861097.43 (64.24)iZTF = 20.55 ± 0.2061094.39 (67.28)rZTF = 19.95 ± 0.18 (64.2d ago)61097.43 (64.24)
ZTF26aahqgvpAT 2026dme2/26/2026Kaustav DZTFNorZTF = 19.97 ± 0.21 (41.2d ago)62.264.3Expired5.0Expired4.0gZTF = 18.95 ± 0.1561099.48 (62.19)gZTF = 20.72 ± 0.2161085.44 (76.23)rZTF = 19.97 ± 0.21 (41.2d ago)61120.45 (41.22)gZTF = 18.95 ± 0.1561099.48 (62.19)gZTF = 20.72 ± 0.2161085.44 (76.23)rZTF = 19.97 ± 0.21 (41.2d ago)61120.45 (41.22)
ZTF26aahitfwAT 2026efw2/27/2026Kaustav DZTFNorZTF = 20.00 ± 0.20 (37.5d ago)60.363.4Expired5.0Expired4.0gZTF = 19.15 ± 0.1961101.33 (60.34)rZTF = 19.73 ± 0.1861094.40 (67.27)rZTF = 20.00 ± 0.20 (37.5d ago)61124.18 (37.49)gZTF = 19.15 ± 0.1961101.33 (60.34)rZTF = 19.73 ± 0.1861094.40 (67.27)rZTF = 20.00 ± 0.20 (37.5d ago)61124.18 (37.49)
ZTF26aaieeej2/26/2026Kaustav DZTFNogZTF = 20.09 ± 0.18 (50.2d ago)55.364.3Expired3.0iZTF = 19.63 ± 0.2561106.40 (55.27)gZTF = 20.56 ± 0.1761094.48 (67.19)gZTF = 20.09 ± 0.18 (50.2d ago)61111.44 (50.23)iZTF = 19.63 ± 0.2561106.40 (55.27)gZTF = 20.56 ± 0.1761094.48 (67.19)gZTF = 20.09 ± 0.18 (50.2d ago)61111.44 (50.23)
ZTF26aahpiczAT 2026dmi2/27/2026Kaustav DZTFNorZTF = 20.27 ± 0.21 (44.4d ago)62.363.4YesExpired5.0rZTF = 19.52 ± 0.2361099.40 (62.27)rZTF = 19.77 ± 0.1261094.25 (67.42)rZTF = 20.27 ± 0.21 (44.4d ago)61117.27 (44.40)rZTF = 19.52 ± 0.2361099.40 (62.27)rZTF = 19.77 ± 0.1261094.25 (67.42)rZTF = 20.27 ± 0.21 (44.4d ago)61117.27 (44.40)
ZTF26aahogrqAT 2026ffb2/27/2026Kaustav DZTFNorZTF = 20.33 ± 0.21 (39.4d ago)53.463.4Expired3.0iZTF = 19.72 ± 0.1661108.29 (53.38)rZTF = 20.31 ± 0.2161095.28 (66.39)rZTF = 20.33 ± 0.21 (39.4d ago)61122.27 (39.40)iZTF = 19.72 ± 0.1661108.29 (53.38)rZTF = 20.31 ± 0.2161095.28 (66.39)rZTF = 20.33 ± 0.21 (39.4d ago)61122.27 (39.40)
ZTF26aahkvvjAT 2026efs2/26/2026Kaustav DZTFNorZTF = 20.40 ± 0.21 (39.2d ago)60.264.3Expired4.0Expired4.0rZTF = 19.19 ± 0.2361101.50 (60.17)rZTF = 19.82 ± 0.1861094.55 (67.12)rZTF = 20.40 ± 0.21 (39.2d ago)61122.45 (39.22)rZTF = 19.19 ± 0.2361101.50 (60.17)rZTF = 19.82 ± 0.1861094.55 (67.12)rZTF = 20.40 ± 0.21 (39.2d ago)61122.45 (39.22)
ZTF26aaieebjAT 2026esj2/26/2026Kaustav DZTFNorZTF = 20.43 ± 0.21 (50.2d ago)64.164.3Expired3.0rZTF = 19.84 ± 0.2361097.53 (64.14)rZTF = 20.00 ± 0.1961096.51 (65.16)rZTF = 20.43 ± 0.21 (50.2d ago)61111.48 (50.19)rZTF = 19.84 ± 0.2361097.53 (64.14)rZTF = 20.00 ± 0.1961096.51 (65.16)rZTF = 20.43 ± 0.21 (50.2d ago)61111.48 (50.19)
ZTF26aahkojuAT 2026ehy2/26/2026Kaustav DZTFNorZTF = 20.65 ± 0.22 (38.2d ago)56.264.3YesExpired3.0rZTF = 19.77 ± 0.1961105.50 (56.17)gZTF = 20.88 ± 0.1961085.54 (76.13)rZTF = 20.65 ± 0.22 (38.2d ago)61123.44 (38.23)rZTF = 19.77 ± 0.1961105.50 (56.17)gZTF = 20.88 ± 0.1961085.54 (76.13)rZTF = 20.65 ± 0.22 (38.2d ago)61123.44 (38.23)
Classified — In Rubin Footprint
ZTF/LSST IDTNS IDDateScannerFirst DetCommentClassifiedHost Redshiftmlast [mag]age [d]days savedZTF FPSEDM PhotSEDM IFUSEDM IFU PrioNGPSNGPS PrioKASTLRISLRIS PriomPeak [mag]TPeak [MJD]mFirst [mag]TFirst [MJD]mLast [mag]TLast [MJD]ZTF mPeak [mag]ZTF TPeak [MJD]ZTF mFirst [mag]ZTF TFirst [MJD]ZTF mLast [mag]ZTF TLast [MJD]LSST mPeak [mag]LSST TPeak [MJD]LSST mFirst [mag]LSST TFirst [MJD]LSST mLast [mag]LSST TLast [MJD]
ZTF26aaiedvzSN 2026ejy2/25/2026Kaustav DZTFType II (0.90)0.006685gZTF = 17.59 ± 0.08 (0.2d ago)0.264.8YesDone ×62.5Expired4.0ExpiredrZTF = 16.69 ± 0.0261161.43 (0.24)rZTF = 17.68 ± 0.0661096.51 (65.16)gZTF = 17.59 ± 0.08 (0.2d ago)61161.46 (0.21)rZTF = 16.69 ± 0.0261161.43 (0.24)rZTF = 17.68 ± 0.0661096.51 (65.16)gZTF = 17.59 ± 0.08 (0.2d ago)61161.46 (0.21)
ZTF26aahqsvySN 2026evd2/27/2026Kaustav DZTFType II (0.80)0.06rZTF = 18.25 ± 0.10 (0.4d ago)34.263.4Done ×32.0Done3.0gZTF = 17.58 ± 0.0261127.45 (34.22)gZTF = 20.24 ± 0.1761095.37 (66.30)rZTF = 18.25 ± 0.10 (0.4d ago)61161.29 (0.38)gZTF = 17.58 ± 0.0261127.45 (34.22)gZTF = 20.24 ± 0.1761095.37 (66.30)rZTF = 18.25 ± 0.10 (0.4d ago)61161.29 (0.38)
ZTF26aagzowoSN 2026dlr2/27/2026Kaustav DZTFIa (1.00)0.05iZTF = 18.76 ± 0.17 (54.5d ago)62.563.4Done2.0rZTF = 17.82 ± 0.0361099.13 (62.54)iZTF = 18.36 ± 0.1161093.15 (68.52)iZTF = 18.76 ± 0.17 (54.5d ago)61107.13 (54.54)rZTF = 17.82 ± 0.0361099.13 (62.54)iZTF = 18.36 ± 0.1161093.15 (68.52)iZTF = 18.76 ± 0.17 (54.5d ago)61107.13 (54.54)
ZTF26aaibazaSN 2026enk2/27/2026Kaustav DZTFType II (0.90)0.02945rZTF = 18.81 ± 0.20 (2.4d ago)53.263.4Done ×22.5Done3.0Done4.0gZTF = 17.99 ± 0.2861108.45 (53.22)rZTF = 19.63 ± 0.1761096.27 (65.40)rZTF = 18.81 ± 0.20 (2.4d ago)61159.23 (2.44)gZTF = 17.99 ± 0.2861108.45 (53.22)rZTF = 19.63 ± 0.1761096.27 (65.40)rZTF = 18.81 ± 0.20 (2.4d ago)61159.23 (2.44)
ZTF18acsqcugSN 2018mqo2/27/2026Kaustav DZTFIa (1.00)0.04125iZTF = 18.93 ± 0.12 (15.5d ago)50.563.4Done ×23.0Done3.0rZTF = 17.38 ± 0.0161111.13 (50.54)rZTF = 18.58 ± 0.2258455.50 (2706.17)iZTF = 18.93 ± 0.12 (15.5d ago)61146.16 (15.51)rZTF = 17.38 ± 0.0161111.13 (50.54)rZTF = 18.58 ± 0.2258455.50 (2706.17)iZTF = 18.93 ± 0.12 (15.5d ago)61146.16 (15.51)
ZTF17aadeyogSN 2026bsa2/26/2026Kaustav DZTFIa (0.30)0.021502rZTF = 19.16 ± 0.16 (29.4d ago)80.264.3Done2.2Expired4.0rZTF = 17.35 ± 0.1061081.50 (80.17)gZTF = 18.56 ± 0.0959671.28 (1490.39)rZTF = 19.16 ± 0.16 (29.4d ago)61132.26 (29.41)rZTF = 17.35 ± 0.1061081.50 (80.17)gZTF = 18.56 ± 0.0959671.28 (1490.39)rZTF = 19.16 ± 0.16 (29.4d ago)61132.26 (29.41)
ZTF26aahsvloSN 2026dmh2/26/2026Kaustav DZTFIa-91bg (0.60)0.047626iZTF = 19.25 ± 0.17 (47.3d ago)64.264.3YesDone4.0iZTF = 18.76 ± 0.1461097.46 (64.21)iZTF = 18.84 ± 0.1161095.41 (66.26)iZTF = 19.25 ± 0.17 (47.3d ago)61114.32 (47.35)iZTF = 18.76 ± 0.1461097.46 (64.21)iZTF = 18.84 ± 0.1161095.41 (66.26)iZTF = 19.25 ± 0.17 (47.3d ago)61114.32 (47.35)
ZTF26aahrmfbSN 2026dwm2/27/2026Kaustav DZTFIIb (1.00)0.021369rZTF = 19.29 ± 0.20 (48.5d ago)55.463.4iZTF = 18.73 ± 0.1061106.28 (55.39)iZTF = 19.58 ± 0.1161085.38 (76.29)rZTF = 19.29 ± 0.20 (48.5d ago)61113.18 (48.49)iZTF = 18.73 ± 0.1061106.28 (55.39)iZTF = 19.58 ± 0.1161085.38 (76.29)rZTF = 19.29 ± 0.20 (48.5d ago)61113.18 (48.49)
ZTF23abcmvjmSN 2026dvz2/26/2026Kaustav DZTFIa (0.88)0.066rZTF = 19.45 ± 0.20 (14.4d ago)56.564.3YesDone3.0gZTF = 17.83 ± 0.0861105.19 (56.48)rZTF = 18.74 ± 0.1660198.51 (963.16)rZTF = 19.45 ± 0.20 (14.4d ago)61147.29 (14.38)gZTF = 17.83 ± 0.0861105.19 (56.48)rZTF = 18.74 ± 0.1660198.51 (963.16)rZTF = 19.45 ± 0.20 (14.4d ago)61147.29 (14.38)
ZTF26aahghbtSN 2026ene2/27/2026Kaustav DZTFIa (0.60)0.0805rZTF = 19.50 ± 0.14 (23.5d ago)45.563.4Expired1.5Expired3.0Done4.0rZTF = 18.45 ± 0.2561116.19 (45.48)gZTF = 20.09 ± 0.1961093.27 (68.40)rZTF = 19.50 ± 0.14 (23.5d ago)61138.15 (23.52)rZTF = 18.45 ± 0.2561116.19 (45.48)gZTF = 20.09 ± 0.1961093.27 (68.40)rZTF = 19.50 ± 0.14 (23.5d ago)61138.15 (23.52)
ZTF26aaijdekSN 2026enl2/27/2026Kaustav DZTFType II (1.00)0.049004rZTF = 19.63 ± 0.16 (11.5d ago)60.563.4Done1.5Done4.0Done3.0iZTF = 18.93 ± 0.2561101.18 (60.49)rZTF = 19.70 ± 0.1861097.23 (64.44)rZTF = 19.63 ± 0.16 (11.5d ago)61150.18 (11.49)iZTF = 18.93 ± 0.2561101.18 (60.49)rZTF = 19.70 ± 0.1861097.23 (64.44)rZTF = 19.63 ± 0.16 (11.5d ago)61150.18 (11.49)
ZTF26aaiculaSN 2026ezq2/27/2026Kaustav DZTFIIn (0.90)0.12iZTF = 19.72 ± 0.20 (6.4d ago)32.363.4Done4.0rZTF = 19.03 ± 0.1561129.36 (32.31)rZTF = 20.86 ± 0.2061094.41 (67.26)iZTF = 19.72 ± 0.20 (6.4d ago)61155.28 (6.39)rZTF = 19.03 ± 0.1561129.36 (32.31)rZTF = 20.86 ± 0.2061094.41 (67.26)iZTF = 19.72 ± 0.20 (6.4d ago)61155.28 (6.39)
ZTF26aagrvcfSN 2026dst2/26/2026Kaustav DZTFIa (0.90)0.115rZTF = 19.76 ± 0.16 (42.2d ago)60.264.3Done4.0Expired4.0rZTF = 18.92 ± 0.0861101.44 (60.23)gZTF = 19.64 ± 0.1661085.52 (76.15)rZTF = 19.76 ± 0.16 (42.2d ago)61119.48 (42.19)rZTF = 18.92 ± 0.0861101.44 (60.23)gZTF = 19.64 ± 0.1661085.52 (76.15)rZTF = 19.76 ± 0.16 (42.2d ago)61119.48 (42.19)
ZTF26aaickczSN 2026enf2/26/2026Kaustav DZTFIa (1.00)0.0594rZTF = 19.78 ± 0.17 (7.5d ago)54.464.3Done3.0gZTF = 18.07 ± 0.0761107.28 (54.39)rZTF = 20.29 ± 0.1361095.30 (66.37)rZTF = 19.78 ± 0.17 (7.5d ago)61154.17 (7.50)gZTF = 18.07 ± 0.0761107.28 (54.39)rZTF = 20.29 ± 0.1361095.30 (66.37)rZTF = 19.78 ± 0.17 (7.5d ago)61154.17 (7.50)
ZTF26aahgjwsSN 2026emw2/27/2026Kaustav DZTFIa (1.00)0.09rZTF = 19.86 ± 0.22 (23.5d ago)59.463.4Expired1.0Expired4.0Done4.0gZTF = 18.70 ± 0.2461102.31 (59.36)rZTF = 20.57 ± 0.2261094.23 (67.44)rZTF = 19.86 ± 0.22 (23.5d ago)61138.16 (23.51)gZTF = 18.70 ± 0.2461102.31 (59.36)rZTF = 20.57 ± 0.2261094.23 (67.44)rZTF = 19.86 ± 0.22 (23.5d ago)61138.16 (23.51)
ZTF26aahkohtSN 2026dnd2/26/2026Kaustav DZTFIa (1.00)0.093rZTF = 19.91 ± 0.16 (21.3d ago)56.364.3rZTF = 18.52 ± 0.1361105.42 (56.25)rZTF = 20.36 ± 0.1461085.50 (76.17)rZTF = 19.91 ± 0.16 (21.3d ago)61140.35 (21.32)rZTF = 18.52 ± 0.1361105.42 (56.25)rZTF = 20.36 ± 0.1461085.50 (76.17)rZTF = 19.91 ± 0.16 (21.3d ago)61140.35 (21.32)
ZTF26aahizzmSN 2026dmb2/26/2026Kaustav DZTFIa (0.90)0.128rZTF = 20.09 ± 0.19 (42.4d ago)55.264.3Done4.0Expired3.0rZTF = 19.28 ± 0.2961106.44 (55.23)rZTF = 19.63 ± 0.1561094.40 (67.27)rZTF = 20.09 ± 0.19 (42.4d ago)61119.22 (42.45)rZTF = 19.28 ± 0.2961106.44 (55.23)rZTF = 19.63 ± 0.1561094.40 (67.27)rZTF = 20.09 ± 0.19 (42.4d ago)61119.22 (42.45)
ZTF26aahfyvmSN 2026eab2/26/2026Kaustav DZTFType II (0.70)0.06923rZTF = 20.29 ± 0.21 (11.5d ago)63.464.3Expired4.0Done3.0gZTF = 19.25 ± 0.1061098.26 (63.41)rZTF = 19.81 ± 0.1761094.25 (67.42)rZTF = 20.29 ± 0.21 (11.5d ago)61150.17 (11.50)gZTF = 19.25 ± 0.1061098.26 (63.41)rZTF = 19.81 ± 0.1761094.25 (67.42)rZTF = 20.29 ± 0.21 (11.5d ago)61150.17 (11.50)
ZTF26aahjzfkSN 2026efu2/26/2026Kaustav DZTFIa (0.99)0.124rZTF = 20.29 ± 0.21 (34.2d ago)61.364.3Expired5.0Expired5.0gZTF = 19.41 ± 0.1361100.41 (61.26)gZTF = 20.17 ± 0.2061094.46 (67.21)rZTF = 20.29 ± 0.21 (34.2d ago)61127.49 (34.18)gZTF = 19.41 ± 0.1361100.41 (61.26)gZTF = 20.17 ± 0.2061094.46 (67.21)rZTF = 20.29 ± 0.21 (34.2d ago)61127.49 (34.18)
ZTF26aahjannSN 2026egs2/26/2026Kaustav DZTFType II (0.70)0.08rZTF = 20.34 ± 0.21 (40.4d ago)63.464.3Done5.0Expired4.0gZTF = 19.63 ± 0.2461098.31 (63.36)rZTF = 20.37 ± 0.2061094.40 (67.27)rZTF = 20.34 ± 0.21 (40.4d ago)61121.30 (40.37)gZTF = 19.63 ± 0.2461098.31 (63.36)rZTF = 20.37 ± 0.2061094.40 (67.27)rZTF = 20.34 ± 0.21 (40.4d ago)61121.30 (40.37)
ZTF26aahjpwySN 2026dvh2/27/2026Kaustav DZTFIa (0.91)0.08rZTF = 20.44 ± 0.14 (6.4d ago)60.363.4YesDone ×33.0Done3.0gZTF = 18.43 ± 0.0361101.34 (60.33)iZTF = 19.51 ± 0.0861094.39 (67.28)rZTF = 20.44 ± 0.14 (6.4d ago)61155.26 (6.41)gZTF = 18.43 ± 0.0361101.34 (60.33)iZTF = 19.51 ± 0.0861094.39 (67.28)rZTF = 20.44 ± 0.14 (6.4d ago)61155.26 (6.41)
ZTF26aahjyxlSN 2026erg2/27/2026Kaustav DZTFIa (0.80)0.14gZTF = 20.44 ± 0.20 (37.2d ago)56.263.4Done4.0gZTF = 19.21 ± 0.1761105.48 (56.19)gZTF = 20.01 ± 0.1761094.46 (67.21)gZTF = 20.44 ± 0.20 (37.2d ago)61124.48 (37.19)gZTF = 19.21 ± 0.1761105.48 (56.19)gZTF = 20.01 ± 0.1761094.46 (67.21)gZTF = 20.44 ± 0.20 (37.2d ago)61124.48 (37.19)
Poor Observability — In Rubin Footprint

Sources with <3 hr above airmass 2 from Palomar. Excluded from the sample - do not prioritize for follow-up.

ZTF/LSST IDTNS IDDateScannerFirst DetCommentClassifiedHost Redshiftmlast [mag]age [d]days savedZTF FPSEDM PhotSEDM IFUSEDM IFU PrioNGPSNGPS PrioKASTLRISLRIS PriomPeak [mag]TPeak [MJD]mFirst [mag]TFirst [MJD]mLast [mag]TLast [MJD]ZTF mPeak [mag]ZTF TPeak [MJD]ZTF mFirst [mag]ZTF TFirst [MJD]ZTF mLast [mag]ZTF TLast [MJD]LSST mPeak [mag]LSST TPeak [MJD]LSST mFirst [mag]LSST TFirst [MJD]LSST mLast [mag]LSST TLast [MJD]