CATS150 Scanning Summary: September



ZTF ID Date Scanner Classified (TNS/Fritz)? Host z Mag Age (days) Forced phot. requested? Phot. follow-up Sure if real? Spec follow-up Priority Comment
ZTF25abnzksi 2025-09-02 Maggie No 0.0296" 19.6 12 Yes -- Yes NGPS, SEDM P2 -16 mag, rising, red, looks like in a galaxy merger but still real transient
ZTF25abnywvk 2025-09-02 Maggie No 0.0189" 17.6 1 Yes -- No -- -- -17, nuclear, not sure if AGN + bad subtraction, running forced photometry just in case
ZTF25abosfkl 2025-09-04 Maggie No 0.0137" 20.0 2.5 Yes SEDM Yes SEDM, NGPS P3 -14, edge of host nucleus, real transient
ZTF25abogfap 2025-09-04 Maggie Yes 0.03136" 17.3 9 Yes -- -- -- -- Classified Ia, not sure if should request SEDM? Don't see a spectrum but maybe just access issue
ZTF25aboqinw 2025-09-04 Maggie No 0.026987" 20.0 6 Yes SEDM No SEDM, NGPS P4 Tags say photo-z from NED, put it in anyway, is this OK? Blue, rising, (must be VERY blue since extinction is high) looks like a real transient, and subtraction not bad, but nuclear, but not sure if AGN... requesting forced photometry and SEDM
ZTF25abopybc 2025-09-04 Maggie No 0.0205" 17.5 5 Yes -- Yes NGPS, SEDM P4 -17.4, near peak, off center from nuclear, very bright!
ZTF25abopkmq 2025-09-04 Maggie No 0.0274" 19.0 6 Yes -- Yes NGPS, SEDM P3 -16.5, rising or near peak
ZTF25aboftol 2025-09-05 Maggie No 0.0271" 20.0 5 Yes -- Yes NGPS, SEDM P4 -16, rising
ZTF25abogteg 2025-09-05 Maggie No 0.022" 19.5 5 No -- -- -- -- young SN, people already following up on
ZTF25abphhyk 2025-09-06 Maggie No 0.028" 19.5 2 Yes SEDM Yes NGPS, SEDM P4 young, faint (19.5)
ZTF25abqhqmk 2025-09-15 Steve No 0.0138" 19.5 6 Yes -- Yes -- -- -14.5 in the outskirts of a face-on spiral
ZTF25abqicvg 2025-09-15 Steve No 0.027599" 19.25 10 Yes -- Yes SEDM -- -16.5 in the outskirts of a face-on spiral. SEDM classification spectrum shows deep Ca NIR absorption trough. Higher resolution is needed for classification.
ZTF18aawwbak 2025-09-15 Steve No 0.0306" 19.25 10 Yes SEDM Yes -- -- -16.5 in the outskirts of a face-on spiral. There are several detections over the past 10 days. The transient is real despite the ZTF18 label
ZTF25abqutfj 2025-09-15 Steve No 0.0315" 19.25 10 Yes -- Yes -- -- -16.5 in the outskirts of a face-on spiral.
ZTF25abqsbxy 2025-09-15 Steve No 0.031" 18.25 7 Yes -- Yes SEDM P4 -17.5
ZTF25abrddbm 2025-09-16 Sam No 0.0282" 17.7 < 10 No SEDM Yes SEDM P4 bright in a spiral, need more photo
ZTF25abrdhzz 2025-09-16 Sam No 0.03247" 19.0 10 Yes -- Yes NGPS P4 2019 SN at same location Type II
ZTF25abreitz 2025-09-16 Sam No 0.0328" 18.5 3 No -- Yes NGPS P4 bright but bright host, try for ngps tonigh but if not will assign to sedm
ZTF25abpzotl 2025-09-17 Sam Yes 0.0284" 17.4 7 No -- Yes -- -- already classified Ia
ZTF25aboseer 2025-09-17 Sam No 0.0282" 19.3 20 No -- Yes NGPS, SEDM P3 south, could go for with soar