CATS150 Scanning Summary: June



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
ZTF25aaroeuc 2025-06-03 Avinash No Yet to Confirm" 19.0 25 Yes SEDM Yes SEDM, NGPS P4 19 mag, Host seems outside CATS150 volume but would be good to confirm the redshift.
ZTF25aatdgae 2025-06-03 Avinash Yes 0.008" 18.0 7 Yes -- Yes SEDM P1 -15.5 mag and rising, reddened, in a Nearby host
ZTF19abyfmnl 2025-06-03 Avinash No 0.026942" 19.5 8 Yes SEDM Yes NGPS P4 19.5 mag, likely a variable star (has history in FP)
ZTF25aatrrxl 2025-06-05 Avinash No 0.013526" 19.5 2 Yes SEDM No SEDM P4 -14.5 mag, morning twilight source. SEDM shows non-detections
ZTF25aatxnwx 2025-06-06 Avinash No 0.030324" 18.0 8 Yes SEDM Yes SEDM P4 -17.7 mag, rising, morning target, confirmed with SEDM detection
ZTF25aatqacd 2025-06-06 Avinash No 0.04883" 19.5 4 Yes SEDM Yes NGPS, SOAR P4 -17.5 mag, slow rising target (NOT CATS, Bkg Host)
ZTF25aaqqfkv 2025-06-06 Avinash Yes 0.023586" 19.0 20 Yes SEDM Yes -- -- -16 mag, LC on a plateau, Already classified as Type II
ZTF25aarnizo 2025-06-06 Avinash No 0.024119" 19.5 20 Yes SEDM No -- -- Looks like Bad PSF due to oversubtraction, likely not real?, but flagging it here. -16 mag.
ZTF25aatxnic 2025-06-06 Avinash No 0.026786" 18.0 1.5 Yes SEDM Yes SEDM P3 -17.5 mag, morning twilight target, 2 epochs
ZTF25aauboyl 2025-06-07 Avinash Yes 0.013811" 15.5 10 Yes -- Yes -- -- -18 mag, rising, setting target
ZTF25aaugeio 2025-06-09 Avinash No 0.002912" 15.5 7 Yes SEDM Yes SEDM P4 -15 mag and rising, Highly reddened missed 2025mvn, 13 Mpc source
ZTF25aattqgf 2025-06-10 Yashvi No 0.0297" 18.5 9 -- -- Yes SEDM P3 -17.2, likely near peak, in rcf
ZTF25aarzxsa 2025-06-10 Yashvi No 0.016221" 18.0 20 -- -- Yes SEDM P3 -16.4 and fading, caught the tail of this transient, rise and peak behind sun, 20 days old, last upper limit 60 days ago
ZTF25aatxsag 2025-06-12 Yashvi Yes 0.0232" 18.4 >12 Yes -- Yes -- -- TNS classified SN Ia
ZTF25aaulggp 2025-06-12 Yashvi No 0.015" 18.5 6 Yes -- Yes SEDM, NGPS P3 6 days old, flat-ish lc, 18.5 mag, -15.5
ZTF25aauhsoe 2025-06-12 Yashvi Yes 0.0181" 17.7 7 Yes -- Yes NGPS P3 17.7, slowly rising, already classified type II
ZTF25aauunyi 2025-06-13 Yashvi No 0.011928" 19.6 3 Yes SEDM -- NGPS P4 -14, 19.6, young, only one alert detection
ZTF25aauvber 2025-06-13 Yashvi Yes 0.0064" 16.0 5 Yes -- Yes NGPS, SEDM, NOT -- nearby IIn
ZTF25aavcvel 2025-06-14 Yashvi No 0.0114" 19.0 2 Yes SEDM No NGPS P1 saved in cats150flag too, 19, -14.6, not sure if real
ZTF25aaupzsu 2025-06-14 Yashvi No 0.024" 19.0 6 Yes SEDM Yes NGPS P3 -16, 19, and rising
ZTF25aavahfn 2025-06-14 Yashvi No 0.0324" 19.4 5 Yes SEDM Yes NGPS P2 -16.8 and rising
ZTF25aauzryv 2025-06-14 Kaustav Yes 0.0247" 17.5 11 No SEDM Yes -- -- featureless Type II, has 1 sedm spec
ZTF25aaupxfb 2025-06-14 Kaustav No 0.0254" 18.6 4 Yes -- -- NGPS, SEDM P3 18.6, -16.8, 1 epoch, ngps classified IIb
ZTF25aauijjd 2025-06-14 Kaustav No 0.0254" 16.8 11 No -- -- NGPS, SEDM -- ngps classified Ia
ZTF25aavapev 2025-06-14 Kaustav No 0.0303" 19.0 22 Yes -- -- NGPS, SEDM -- ngps classified IIb, passed now but forced photometry shows rising since 22 days
ZTF25aauzrry 2025-06-16 Yashvi Yes 0.025" 16.8 30 Yes SEDM Yes SEDM -- TNS classified SN Ib
ZTF25aavcsij 2025-06-16 Yashvi No 0.0117" 18.6 3 Yes SEDM Yes SEDM P4 -15, 18.6
ZTF25aavgfqk 2025-06-16 Yashvi No 0.0151" 18.9 5 Yes SEDM Yes SEDM P3 18.9, -15.4 and rising
ZTF25aavfuyl 2025-06-16 Yashvi No 0.003" 20.1 20 No SEDM Yes LRIS P5 in NGC 4762, 20.1, flat-ish LC, ~-10
ZTF25aaqjtly 2025-06-17 K-Ryan No 0.03054" 18.7 40 Yes -- Yes Kast, LRIS P3 in KUG 1410+264, nuclear, ~20d post-peak, possible II\IIn
ZTF25aavcuyp 2025-06-17 K-Ryan No 0.027486" 18.6 5 Yes SEDM Yes SEDM P1 In UGC 02104, 18.6, -17
ZTF25aavjchy 2025-06-18 K-Ryan No 0.029" 18.5 9 Yes -- Yes SEDM P3 slow, rising, 18.5, -17
ZTF25aavneuv 2025-06-18 K-Ryan No 0.019013" 18.5 2 Yes SEDM Yes SEDM P3 In UG 02052, 18.5, -16.2
ZTF25aavrkgo 2025-06-19 K-Ryan No 0.0224" 18.7 1 Yes SEDM Yes SEDM P3 Young, <1d old
ZTF25aavyqag 2025-06-19 K-Ryan No 0.013693" 16.8 1 Yes -- Yes -- -- In UGC 01814, no previous history
ZTF25aawaobl 2025-06-20 K-Ryan No 0.022452" 18.7 2 Yes SEDM Yes SEDM P3 In IC 1242, -16.3
ZTF25aatmfdn 2025-06-20 K-Ryan No 0.023279" 18.2 20 Yes SEDM Yes SEDM, NGPS P4 In MRK 0097, -16.9
ZTF25aavqrpc 2025-06-20 K-Ryan No 0.026" 16.6 2 Yes -- Yes SEDM P4 young and rising, 16.6
ZTF25aawjhct 2025-06-22 K-Ryan Yes 0.0158" 18.0 3 Yes -- Yes -- -- Type Ib, in NGC 4615
ZTF25aaxdccu 2025-06-23 Sam No 0.02801" 19.8 >4 Yes -- No NGPS, LRIS P3 little offset from galaxy, may be background source, saved to flag as well
ZTF25aaxjntk 2025-06-24 Sam No 0.01633" 18.6 3 No -- Yes SEDM, NGPS, LRIS P3 young and rising, absolute less than -16 rn
ZTF25aaxfewx 2025-06-24 Sam No 0.022" 18.6 >3 Yes SEDM No SEDM P3 bright star nearby means hard to see subtraction, GOTO saw it too so probably real, but saved to -flag as well
ZTF25aawstyi 2025-06-24 Sam Yes 0.0326" 17.9 50 Yes -- Yes -- -- few month old Type II? Totally missed by ZTF. Rising though so I am a bit confused (update: see from ATLAS was not rising, just on plateau with g > r)
ZTF25aaxpayo 2025-06-24 Sam No 0.0327" 19.0 30 Yes SEDM No SEDM, NGPS, LRIS P3 nuclear, lc looks transienty so think real but saved to -flag too
ZTF25aaxocya 2025-06-24 Sam No 0.0259" 17.7 no upper limits Yes -- -- SEDM P4 obvious source in a nice spiral
ZTF25aaxqbfo 2025-06-24 Sam No 0.0309" 20.2 7 No -- Yes LRIS P4 just below 20 now, but errorbar goes above 20
ZTF25aaxvwdu 2025-06-24 Sam No 0.02225" 20.0 < 3 No -- Yes LRIS, NGPS P3 source clear in cutout, -15 now
ZTF25aayelvu 2025-06-24 Sam No 0.0288" 20.1 3 No -- Yes NGPS P3 just below 20 now, but errorbar goes above 20
ZTF25aaxsmkl 2025-06-24 Sam No 0.0121" 18.9 > 3 No SEDM Yes NGPS, SEDM P3 don't see image sub but light curve seems legit, Jesper had already assigned for 3 shot on SEDM
ZTF25aayiimj 2025-06-24 Sam No 0.0328" 20.1 7 Yes SEDM Yes NGPS P2 hovering around 20, at 149 Mpc