RA/DEC (2000)
19:43:17.290 -54:34:14.38
295.822042 -54.570661
Type
SN IIn
Redshift
0.041
Reporting Group
ASAS-SN
Discovering Data Source
ASAS-SN
Discovery Date
2018-07-14 02:24:00.000
TNS AT
Y
Public
Y
Host Name
2MASX J19431917-5434257
Host Redshift
0.039841
Discovery Mag
18.2
Filter
g-Sloan
Reporter/s
Brent Nicholls, Ping Chen, Subo Dong, K. Z. Stanek, for the ASAS-SN team

Spectra

 SN_2018dyv - 2018-07-26 06:47:42 SOAR / Goodman (None)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

 ASASSN-3_Paczynski_g
 Gaia_Gaia-photometric_G
 ASASSN-2_Cassius_V
   
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
2348 2018-07-26 06:47:42 SOAR / Goodman 330 R. Cartier R. Cartier None tns_2018dyv_2018-07-26_06-47-42_SOAR_Goodman.asci tns_2018dyv_2018-07-26_06-47-42_SOAR_Goodman.fits Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
g-Sloan ASASSN-3_Paczynski 2018-07-14 02:24:00 - 2018-07-14 02:24:00 2458313.6 - 2458313.6 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
32112 2018-07-14 02:24:00 2458313.6 18.2 0.2 ABMag g-Sloan ASASSN-3_Paczynski
G-Gaia Gaia_Gaia-photometric 2018-05-29 22:00:28 - 2018-08-13 02:29:45 2458268.4169907 - 2458343.6039931 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
33839 2018-08-13 02:29:45 2458343.6039931 17.2 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
33838 2018-05-29 22:00:28 2458268.4169907 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
V-Johnson ASASSN-2_Cassius 2018-07-13 04:04:48 - 2018-07-13 04:04:48 2458312.67 - 2458312.67 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
32111 2018-07-13 04:04:48 2458312.67 17.9 VegaMag V-Johnson ASASSN-2_Cassius [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
21636 2018-08-14 17:12:58 Gaia_Bot1 A. Delgado, D. Harrison, S. Hodgkin et al. GaiaAlerts GaiaAlerts 19:43:17.290 -54:34:14.38 2018-08-13 02:29:45.000 17.2 G-Gaia PSN Gaia18cee GaiaAlerts confirmed SN IIn, aka SN 2018dyv N
20695 2018-07-16 09:34:18 Ping Chen Brent Nicholls, Ping Chen, Subo Dong et al. ASAS-SN ASAS-SN 19:43:17.330 -54:34:14.49 2018-07-14 02:24:00.000 18.2 g-Sloan PSN 2MASX J19431917-5434257 ASASSN-18pi ASAS-SN confirmed in follow-up image, on the rise 2018TNSTR.989....1N N
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
2341 2018-07-28 22:34:58 Regis Cartier R. Cartier, J. Espinoza (CTIO), C. Contreras (STScI), A. Boltom (NOAO), C. Inserra (Southampton), E. Kankare (QUB), K. Maguire ( None SN IIn 0.041 1 Redshift measured from narrow emission lines, the spectrum shows narrow Balmer lines and blue continuum. 2018TNSCR1049....1C
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
2348 2018-07-26 06:47:42 SOAR / Goodman 330 R. Cartier R. Cartier None tns_2018dyv_2018-07-26_06-47-42_SOAR_Goodman.asci tns_2018dyv_2018-07-26_06-47-42_SOAR_Goodman.fits Object

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 21636 of Group GaiaAlerts
Previous RA, DEC: 19:43:17.330, -54:34:14.49 (295.822208, -54.570692)
Updated RA, DEC: 19:43:17.290, -54:34:14.38 (295.822042, -54.570661)