RA/DEC (2000)
08:13:16.945 +22:38:54.03
123.320605325 +22.648343
Type
TDE
Redshift
0.022
Discovery ReportClassification Report
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2019-02-22 00:28:48.000
TNS AT
Y
Public
Y
Host Name
KUG 0810+227
Host Redshift
0.022346
Comments
[Prefix updated to TDE by admin on 2025-01-26]
Discovery Mag
16.2
Filter
g-Sloan
Reporter/s
K. Z. Stanek, for the ASAS-SN team
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌TDE_2019azh - 2019-03-15 09:22:38 P60 / SEDM (ZTF)z=
 ▌TDE_2019azh - 2019-02-25 03:48:04 ESO-NTT / EFOSC2-NTT (ePESSTO)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ASASSN-5_Payne-Gaposchkin_g
 ▌ASASSN-3_Paczynski_g
 ▌Gaia_Gaia-photometric_G
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
Spectra
 ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
7085 2019-03-15 09:22:38 P60 / SEDM 1200 SEDmRobot auto ZTF tns_2019azh_2019-03-15_09-22-38_P60_SEDM_ZTF.ascii Object
3555 2019-02-25 03:48:04 ESO-NTT / EFOSC2-NTT 300 Cristina Barbarino, Ana Sagues Carracedo Leonardo Tartaglia ePESSTO tns_2019azh_2019-02-25_03-48-04_ESO-NTT_EFOSC2-NTT_ePESSTO.asci tns_2019azh_2019-02-25_03-48-04_ESO-NTT_EFOSC2-NTT_ePESSTO.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2018-11-04 10:20:38 - 2019-09-30 12:23:41 2458426.9309954 - 2458757.0164468 21
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
92990 2019-09-30 12:23:41 2458757.0164468 19.7676 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
59908 2019-04-08 03:43:31 2458581.6552199 15.54 0.04 19.19 ABMag r-ZTF P48_ZTF-Cam 30
60552 2019-03-30 03:30:17 2458572.6460417 15.48 0.04 19.27 ABMag r-ZTF P48_ZTF-Cam 30
58607 2019-03-30 03:30:17 2458572.6460417 15.48 0.04 19.27 ABMag r-ZTF P48_ZTF-Cam 30
59794 2019-03-19 04:16:34 2458561.6781829 15.43 0.03 19.15 ABMag r-ZTF P48_ZTF-Cam 30
54525 2019-02-27 06:54:43 2458541.7879977 16.01 ABMag r-ZTF P48_ZTF-Cam 30 ZTF
56767 2019-02-27 06:54:06 2458541.787581 16.01 0.05 19.33 ABMag r-ZTF P48_ZTF-Cam 30
56766 2019-02-26 05:21:13 2458540.7230671 16 0.06 20.54 ABMag r-ZTF P48_ZTF-Cam 30
60319 2019-02-20 07:34:35 2458534.8156944 16.52 0.07 19.12 ABMag r-ZTF P48_ZTF-Cam 30
59792 2019-02-12 05:23:28 2458526.7246296 19.9926 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
59588 2019-02-12 05:23:28 2458526.7246296 19.9926 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
59907 2019-02-12 05:23:28 2458526.7246296 19.9926 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
59418 2019-02-12 05:23:28 2458526.7246296 19.9926 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
60318 2019-02-12 05:23:28 2458526.7246296 19.9926 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
58619 2019-02-12 05:23:28 2458526.7246296 19.9926 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
58605 2019-02-12 05:23:28 2458526.7246296 19.9926 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
60550 2019-02-12 05:23:28 2458526.7246296 19.9926 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
57298 2019-02-12 05:23:28 2458526.7246296 19.9926 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
56765 2019-02-12 05:23:28 2458526.7246296 19.9926 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
54524 2018-11-07 12:10:04 2458430.0069907 17.42 ABMag r-ZTF P48_ZTF-Cam 30 ZTF
54523 2018-11-04 10:20:38 2458426.9309954 20.59 ABMag r-ZTF P48_ZTF-Cam 30 ZTF [Last non detection]
g-ZTF P48_ZTF-Cam 2019-02-12 09:39:36 - 2019-10-03 11:19:39 2458526.9025116 - 2458759.9719907 15
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
92992 2019-10-03 11:19:39 2458759.9719907 18.38 0.11 20.11 ABMag g-ZTF P48_ZTF-Cam 30
92991 2019-10-02 12:15:21 2458759.0106597 18.38 0.08 20.42 ABMag g-ZTF P48_ZTF-Cam 30
59589 2019-04-08 04:55:37 2458581.7052894 15.52 0.04 20.38 ABMag g-ZTF P48_ZTF-Cam 30
59419 2019-04-08 04:55:37 2458581.7052894 15.52 0.04 20.38 ABMag g-ZTF P48_ZTF-Cam 30
59909 2019-04-08 04:04:21 2458581.6696875 15.52 0.03 20.16 ABMag g-ZTF P48_ZTF-Cam 30
60320 2019-04-02 04:53:04 2458575.7035185 15.41 0.03 19.39 ABMag g-ZTF P48_ZTF-Cam 30
58621 2019-03-30 04:38:41 2458572.6935417 15.34 0.03 19.68 ABMag g-ZTF P48_ZTF-Cam 30
58620 2019-03-30 04:35:55 2458572.6916204 15.33 0.03 19.54 ABMag g-ZTF P48_ZTF-Cam 30
59793 2019-03-14 06:29:56 2458556.770787 15.29 0.04 20.14 ABMag g-ZTF P48_ZTF-Cam 30
59420 2019-02-24 06:09:10 2458538.7563657 15.83 0.06 18.43 ABMag g-ZTF P48_ZTF-Cam 30
59590 2019-02-24 06:09:10 2458538.7563657 15.83 0.06 18.43 ABMag g-ZTF P48_ZTF-Cam 30
57300 2019-02-20 05:38:30 2458534.735081 16.43 0.06 18.99 ABMag g-ZTF P48_ZTF-Cam 30
58606 2019-02-12 09:39:36 2458526.9025116 18.46 0.15 18.99 ABMag g-ZTF P48_ZTF-Cam 30
60551 2019-02-12 09:39:36 2458526.9025116 18.46 0.15 18.99 ABMag g-ZTF P48_ZTF-Cam 30
57299 2019-02-12 09:39:36 2458526.9025116 18.46 0.15 18.99 ABMag g-ZTF P48_ZTF-Cam 30
g-Sloan ASASSN-5_Payne-Gaposchkin 2019-02-14 23:16:48 - 2019-02-14 23:16:48 2458529.47 - 2458529.47 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
54005 2019-02-14 23:16:48 2458529.47 18 ABMag g-Sloan ASASSN-5_Payne-Gaposchkin [Last non detection]
g-Sloan ASASSN-3_Paczynski 2019-02-22 00:28:48 - 2019-02-22 00:28:48 2458536.52 - 2458536.52 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
54006 2019-02-22 00:28:48 2458536.52 16.2 ABMag g-Sloan ASASSN-3_Paczynski
G-Gaia Gaia_Gaia-photometric 2018-11-29 12:54:43 - 2019-04-13 18:01:26 2458452.0379977 - 2458587.2509954 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
66495 2019-04-13 18:01:26 2458587.2509954 15.22 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
66494 2018-11-29 12:54:43 2458452.0379977 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [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
48487 2019-10-03 11:56:43 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 08:13:16.945 +22:38:54.03 2019-10-02 12:15:21.000 18.38 g-ZTF AGN ZTF18achzddr ZTF Known SDSS and/or MILLIQUAS QSO/AGN. . See arXiv:1904.05922 for selection criteria.. N
35401 2019-05-20 10:35:46 Gaia_Bot1 A. Delgado,D. Harrison,S. Hodgkin et al. GaiaAlerts GaiaAlerts 08:13:16.960 +22:38:53.99 2019-04-13 18:01:26.000 15.22 G-Gaia Other Gaia19bvo GaiaAlerts Gaia detection of Tidal Disruption Event ZTF17aaazdba / ASASSN-19dj (spectra on SDSS, TNS) N
32657 2019-04-09 13:56:48 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 08:13:16.988 +22:38:53.95 2019-02-12 09:39:36.000 18.46 g-ZTF AGN ZTF17aaazdba ZTF Known SDSS and/or MILLIQUAS QSO/AGN. N
32571 2019-04-09 10:16:02 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 08:13:16.955 +22:38:54.26 2019-02-20 07:34:35.000 16.52 r-ZTF PSN ZTF17aaazdba ZTF N
32421 2019-04-09 09:54:17 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 08:13:16.954 +22:38:53.91 2019-04-08 03:43:31.000 15.54 r-ZTF PSN ZTF17aaazdba ZTF N
32380 2019-04-09 09:07:34 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 08:13:16.953 +22:38:53.93 2019-03-14 06:29:56.000 15.29 g-ZTF PSN ZTF17aaazdba ZTF N
32304 2019-04-09 08:38:07 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 08:13:16.951 +22:38:53.96 2019-02-24 06:09:10.000 15.52 g-ZTF AGN ZTF17aaazdba ZTF Known SDSS and/or MILLIQUAS QSO/AGN. N
32241 2019-04-09 08:26:16 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 08:13:16.951 +22:38:53.96 2019-02-24 06:09:10.000 15.52 g-ZTF AGN ZTF17aaazdba ZTF Known SDSS and/or MILLIQUAS QSO/AGN. N
31942 2019-04-04 07:20:08 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 08:13:16.951 +22:38:53.85 2019-03-30 04:35:55.000 15.33 g-ZTF AGN ZTF17aaazdba ZTF Known SDSS and/or MILLIQUAS QSO/AGN. N
31937 2019-04-04 07:18:33 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 08:13:16.988 +22:38:53.95 2019-02-12 09:39:36.000 18.46 g-ZTF AGN ZTF17aaazdba ZTF Known SDSS and/or MILLIQUAS QSO/AGN. N
31414 2019-03-26 11:44:58 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 08:13:16.988 +22:38:53.95 2019-02-12 09:39:36.000 18.46 g-ZTF AGN ZTF17aaazdba ZTF Known SDSS and/or MILLIQUAS QSO/AGN. N
31222 2019-03-26 11:20:26 ZTF_AMPEL_COMPLETE J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 08:13:16.950 +22:38:53.88 2019-02-26 05:21:13.000 16 r-ZTF PSN ZTF17aaazdba ZTF N
30284 2019-02-28 00:01:57 ZTF_Bot1 C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration et al. ZTF ZTF 08:13:16.968 +22:38:54.02 2018-11-07 12:10:04.000 17.42 r-ZTF PSN ZTF17aaazdba ZTF N
30065 2019-02-22 04:19:13 Krzysztof Stanek K. Z. Stanek,for the ASAS-SN team et al. ASAS-SN ASAS-SN 08:13:17.054 +22:38:54.49 2019-02-22 00:28:48.000 16.2 g-Sloan PSN KUG 0810+227 ASASSN-19dj ASAS-SN Present in several epochs, possible nuclear source, so could also be a TDE 2019TNSTR.262....1S N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
7073 2020-07-13 16:30:25 ZTF_Bot1 A. Dahiwale, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) ZTF TDE 0.022 1 Add ZTF 2020TNSCR2126....1D
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
7085 2019-03-15 09:22:38 P60 / SEDM 1200 SEDmRobot auto ZTF tns_2019azh_2019-03-15_09-22-38_P60_SEDM_ZTF.ascii Object
3548 2019-02-26 07:36:50 ePESSTO_Bot1 Cristina Barbarino, Ana Sagues Carracedo, Leonardo Tartaglia, O. Yaron on behalf of ePESSTO ePESSTO Other 0.022 1 Add ePESSTO Spectrum showing galaxy features but with blue continuum that seems hotter (T~11000 K) than that of the host. 2019TNSCR.287....1B
Spectra
ID Obs-date (UT) Tel / Inst Exp-Time Observer/s Reducer/s Group Spectrum ascii file Spectrum fits file Spec. Type Assoc. Groups End prop. period Remarks
3555 2019-02-25 03:48:04 ESO-NTT / EFOSC2-NTT 300 Cristina Barbarino, Ana Sagues Carracedo Leonardo Tartaglia ePESSTO tns_2019azh_2019-02-25_03-48-04_ESO-NTT_EFOSC2-NTT_ePESSTO.asci tns_2019azh_2019-02-25_03-48-04_ESO-NTT_EFOSC2-NTT_ePESSTO.fits Object

Comments

TNS
System

Thu, 10/03/2019 - 11:30

Object coordinates updated

Object coordinates updated according to AT-report 48487 of Group ZTF
Previous RA, DEC: 08:13:16.960, +22:38:53.99 (123.320667, +22.648331)
Updated RA, DEC: 08:13:16.945, +22:38:54.03 (123.320605325, 22.648343)

TNS
System

Sun, 06/23/2019 - 10:43

Object coordinates updated

Object coordinates updated according to AT-report 35401 of Group GaiaAlerts
Previous RA, DEC: 08:13:17.054, +22:38:54.49 (123.32106, +22.64847)
Updated RA, DEC: 08:13:16.960, +22:38:53.99 (123.320667, 22.648331)