RA/DEC (2000)
00:13:31.135 +40:51:37.14
3.3797302 +40.8603173
Type
---
Redshift
Discovery Report
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2018-10-12 04:33:36.000
TNS AT
Y
Public
Y
Host Name
4C 40.01
Host Redshift
0.2555
Discovery Mag
15.4
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Light curves

 ▌P48_ZTF-Cam_i
 ▌P48_ZTF-Cam_r
 ▌ASASSN-4_Leavitt_g
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
No Data
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
i-ZTF P48_ZTF-Cam 2022-09-23 08:00:02 - 2024-09-23 07:53:15 2459845.8333565 - 2460576.8286458 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
434482 2024-09-23 07:53:15 2460576.8286458 17.8092 0.0651621 ABMag i-ZTF P48_ZTF-Cam
434481 2022-09-23 08:00:02 2459845.8333565 19.8879 0.167543 ABMag i-ZTF P48_ZTF-Cam
r-ZTF P48_ZTF-Cam 2022-09-22 07:36:22 - 2022-09-22 07:36:22 2459844.8169213 - 2459844.8169213 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
434480 2022-09-22 07:36:22 2459844.8169213 20.6848 ABMag r-ZTF P48_ZTF-Cam [Last non detection]
g-Sloan ASASSN-4_Leavitt 2018-10-11 04:09:07 - 2018-10-12 04:33:36 2458402.6729977 - 2458403.69 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
37492 2018-10-12 04:33:36 2458403.69 15.4 ABMag g-Sloan ASASSN-4_Leavitt
37491 2018-10-11 04:09:07 2458402.6729977 17.4 ABMag g-Sloan ASASSN-4_Leavitt [Last non detection]
AT Reports
ID Time received (UT) Sender Reporter/s Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
226183 2024-09-23 08:15:02 Fritz Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al. ZTF ZTF 00:13:31.135 +40:51:37.14 2022-09-23 08:00:02.001 19.8879 i-ZTF PSN ZTF19adefooi ZTF Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). N
23492 2018-10-12 17:19:43 Krzysztof Stanek K. Z. Stanek,for the ASAS-SN team et al. ASAS-SN ASAS-SN 00:13:31.123 +40:51:37.12 2018-10-12 04:33:36.000 15.4 g-Sloan Other 4C 40.01 ASASSN-18xx ASAS-SN Very rapid and dramatic (+2 mag) brightening of a known Seyfert 1 AGN, but it might also be an AGN-unrelated extreme luminosity transient 2018TNSTR1557....1S N
No Data

Comments

TNS
System

Sun, 12/22/2024 - 17:58

Object coordinates updated

Object coordinates updated according to AT-report 226183 of Group ZTF
Previous RA, DEC: 00:13:31.123, +40:51:37.12 (3.37968, +40.86031)
Updated RA, DEC: 00:13:31.135, +40:51:37.14 (3.3797302, 40.8603173)

Mantero
Andrea

Sat, 10/13/2018 - 10:26

Follow-up

Observation of this transient object was made on 2018 10 12.94061 by Andrea Mantero at Bernezzo Observatory
Performed photometry returns a value of 18.443 +/- 0.051 V .