CATS150 Scanning Summary: July



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
ZTF25aayvjhl 2025-07-02 Theo No 0.024" 19.5 4 Yes SEDM No -- P2 unsure if real, saved to flags and trigged sedm phot, at 108 Mpc
ZTF25aaxpdfh 2025-07-02 Theo Yes 0.0225" 19.5 7 Yes -- Yes SEDM P2 possible Ic-BL (as per TNS, but spec isn't convincing). assigned to sedm at low priority
ZTF25aayvwoc 2025-07-02 Theo No 0.0265" 19.5 5 Yes -- Yes SEDM, NGPS P3 at 119.97 Mpc, rising
ZTF25aayrata 2025-07-02 Theo Yes 0.0212" 18.3 2 Yes -- Yes SEDM, NGPS P3 at 95.44 Mpc, Ia from NGPS
ZTF25aayqucz 2025-07-02 Theo Yes 0.0299" 18.7 4 Yes -- Yes NGPS P3 at 135.5 Mpc, Ia from NGPS
ZTF25abaismh 2025-07-08 Sam No 0.0268" 17.5 unk Yes -- Yes SEDM P3 bright, 17.5, no past upper limits running forced photometry ATLAS+ZTF
ZTF25abaisuk 2025-07-08 Sam No 0.02" 18.3 25 No SEDM Yes SEDM P3 not much evolution since first g-band detection 25 days ago
ZTF25abajpgd 2025-07-08 Sam No 0.030861" 18.3 10 No -- Yes SEDM P3 rising, just off nucleus transient
ZTF25abadtsx 2025-07-08 Sam Yes 0.0138" 18.2 1.5 No -- Yes -- -- very young Ia, triggered SWIFT and SEDM last night automatically, looks like a Ia to me
ZTF25abacktu 2025-07-09 Maggie No 0.032" 18.1 2 No -- Yes NGPS, SEDM P3 bright, rising, off nucleus transient, SEDM by Jesper and NGPS P3 for 7/17
ZTF25aaqqjoj 2025-07-09 Maggie No 0.0177" 20.0 50 Yes -- Yes NGPS, SEDM P3 off nucleus transient, SEDM P1 + NGPS 7/17 P3; duplicate of ATLAS source 2025kjx
ZTF25abawltx 2025-07-11 Maggie No 0.0128" 17.7 2 Yes -- Yes NGPS, SEDM P5 off nucleus, 57 Mpc, infant SN II
ZTF25aaxfjnb 2025-07-13 Maggie No 0.0313" 19.075 20 Yes -- Yes NGPS, SEDM P3 off nucleus, 142 Mpc, currently fading
ZTF25abbevau 2025-07-13 Maggie No 0.0184" 18.9 2.5 Yes -- Yes NGPS, SEDM P3 off nucleus, 83 Mpc, >-16 right now but currently rising
ZTF25abbakoi 2025-07-14 Maggie No 0.0306" 18.6 2.5 Yes -- Yes SEDM, NGPS P3 139 Mpc, off nucleus, seems to be quite red
ZTF25abbfeou 2025-07-14 Maggie No 0.0284" 16.7 0.5 Yes -- Yes NGPS, SEDM P2 129 Mpc, off nucleus, EXTREMELY bright
ZTF25abansec 2025-07-15 Kaustav No 0.0209" 17.5 10 Yes -- Yes NGPS P4 nuclear and bright host, rise looks real. 18 mag
ZTF19accbsyf 2025-07-15 Kaustav No 0.0261" 15.0 400 Yes -- No NGPS P3 nuclear, looks real. -20 mag, flat for 400 days! do AGN do that?
ZTF25abbpvih 2025-07-16 Kaustav No 0.02" 18.5 10 No -- Yes NGPS P4 rising 18.5 mag, assigned to NGPS
ZTF25aaumuvk 2025-07-16 Kaustav Yes 0.0196" 19.0 40 Yes -- Yes -- -- 40 days old, observed in partnership data only yesterday
ZTF25abbvvua 2025-07-19 Kaustav No 0.0301" 18.0 <20 Yes -- Yes SEDM, NGPS P4 -18 mag, setting soon, asigned to 07/20 Lick
ZTF25abbgajq 2025-07-19 Kaustav Yes 0.0027" 14.0 4 No -- Yes -- -- very nearby young Ia, observed with NGPS on 07/17
ZTF25abbvstu 2025-07-19 Kaustav No 0.0205" 17.8 - No -- No SEDM, Kast, NGPS P3 ~18 mag, morning twilight target, assigned to 07/20 Lick
ZTF25abbzfjz 2025-07-19 Kaustav No 0.032" 19.8 <5 No -- Yes NGPS, Kast P3 ~19.8 mag, assigned to Lick 07/20 and NGPS 07/23
ZTF25abcjnkx 2025-07-20 Kaustav No 0.0243" 18.5 ~3 No -- Yes NGPS, SEDM P4 18.5 mag, morning twilight
ZTF25abbxtjw 2025-07-21 Tomas No 0.02874" 19.9 ~20 No -- Yes NGPS P2 20 mag, declining. Close to a galaxy, but might not be associated as there are multiple other galaxies
ZTF25abdfrlz 2025-07-23 Tomas No 0.019517" 19.0 ~3 Yes SEDM No NGPS P2 nuclear might not be real, but if real evolving fast 2 mag in one day
ZTF25abdfpxe 2025-07-23 Tomas No 0.027616" 19.0 ~5 Yes SEDM No NGPS P2 nuclear might not be real, but if real evolving fast 2 mag in one day
ZTF25abbgziu 2025-07-23 Tomas Yes 0.015" 16.0 20 No -- -- -- -- SN II at z = 0.015, It is bright and I think it should have been detected before
ZTF25abdhnor 2025-07-23 Tomas No 0.032596" 19.0 10 Yes SEDM No NGPS P2 SN II
ZTF25abcfrwt 2025-07-28 Tomas Yes 0.0262" 19.5 7 Yes SEDM No Kast P3 classification, might not be real. I asked for SEDM photometry as well
ZTF25abecbib 2025-07-28 Tomas No 0.032" 19.5 7 Yes -- Yes Kast P3 no real
ZTF23abhweyr 2025-07-28 Tomas Yes 0.0321" 19.2 10 No -- Yes -- -- Type II
ZTF25abdwelu 2025-07-28 Tomas No 0.031128" 19.5 7 No -- Yes Kast P3 offset from a galaxy
ZTF25aberptp 2025-07-28 Tomas No 0.023442" 19.0 7 No -- Yes Kast P3 nuclear
ZTF25abeibgq 2025-07-29 Tomas Yes 0.014" 18.0 3 Yes -- Yes SEDM P3 Type II
ZTF25abeibgq 2025-07-30 Wynn Yes 0.0143" 17.8 ? Yes -- Yes SEDM P3 type II?
ZTF25abflwya 2025-07-30 Wynn No 0.0316" 17.7 3 Yes -- Yes SEDM P3 for classification
ZTF25abgekqc 2025-07-31 Wynn No 0.027299" 19.3 ? Yes -- Yes, No SEDM P3 looks old but real
ZTF25abghnwv 2025-08-01 Wynn No 0.0274" 20.0 4 Yes -- Yes NGPS P3 young, rising
ZTF25abfntiq 2025-08-01 Wynn Yes 0.0287" -- -- -- -- -- -- -- SN II
ZTF25abflzdu 2025-08-01 Wynn Yes 0.0186" -- -- -- -- -- -- -- SN Ia
ZTF25abfmazv 2025-08-01 Wynn No 0.02016" 18.0 30+ Yes -- Yes SEDM, NGPS -- old but real
ZTF25abfmary 2025-08-01 Wynn No 0.025" 18.5 ? -- -- -- SEDM, NGPS P3 real
ZTF25abgepus 2025-08-04 Anjasha No 0.01784" 18.7 4 Yes -- Yes NGPS P2 real