RA/DEC (2000)
23:52:24.200 +28:46:30.07
358.100833 +28.775019
Type
SN Ib
Redshift
Discovery ReportClassification Report
Reporting Group
POSS
Discovering Data Source
POSS
Discovery Date
2018-06-04 10:05:27.000
TNS AT
Y
Public
Y
Host Name
NGC7775
Host Redshift
0.02245
Discovery Mag
18
Filter
V-Johnson
Reporter/s
R. Gagliano, R. Post, E. Weinberg, J. Newton, T. Puckett
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2018cew - 2018-06-11 10:02:39 P60 / SEDM (ZTF)z=
▌Show H at z=vexp= km/s
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z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),

Light curves

 ▌Gaia_Gaia-photometric_G
 ▌Other_Other_V
 ▌Other_Other_Clear
   
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
2135 2018-06-11 10:02:39 P60 / SEDM 1800 SEDmRobot Y. Sharma ZTF tns_2018cew_2018-06-11_10-02-39_P60_SED-Machine_ZTF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
G-Gaia Gaia_Gaia-photometric 2018-01-27 18:24:28 - 2018-06-01 12:27:21 2458146.2669907 - 2458271.0189931 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
29605 2018-06-01 12:27:21 2458271.0189931 17.68 0.2 ABMag G-Gaia Gaia_Gaia-photometric 60 Robot
29604 2018-01-27 18:24:28 2458146.2669907 21.5 ABMag G-Gaia Gaia_Gaia-photometric Robot [Last non detection]
V-Johnson Other_Other 2018-06-04 10:05:27 - 2018-06-04 10:05:27 2458273.920463 - 2458273.920463 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
29509 2018-06-04 10:05:27 2458273.920463 18 0.3 21 ABMag V-Johnson Other_Other 30 R Post 0.61M with U230 camera at Sierra Remote Observatories, CA, USA
Clear- Other_Other 2017-12-15 02:25:37 - 2018-06-05 11:44:13 2458102.601134 - 2458274.989051 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
29510 2018-06-05 11:44:13 2458274.989051 18 0.3 21 ABMag Clear- Other_Other 300 R Post 0.61M with U230 camera at Sierra Remote Observatories, CA, USA Confirmation image
29508 2017-12-15 02:25:37 2458102.601134 21 ABMag Clear- Other_Other 30 R Post [Last non detection] 0.61M with U230 camera at Sierra Remote Observatories, CA, USA
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
19157 2018-06-07 00:00:45 Gaia_Bot1 A. Delgado, D. Harrison, S. Hodgkin et al. GaiaAlerts GaiaAlerts 23:52:24.200 +28:46:30.07 2018-06-01 12:27:21.000 17.68 G-Gaia PSN Gaia18bki GaiaAlerts candidate SN near radio galaxy NGC 7775 N
19099 2018-06-05 14:11:58 Richard S Post R. Gagliano, R. Post, E. Weinberg et al. POSS POSS 23:52:24.200 +28:46:30.60 2018-06-04 10:05:27.000 18 V-Johnson 1 PSN NGC7775 POSS 2018TNSTR.757....1G N
Related files
File Comments Last Modified (UT) Modified By
tns_2018cew_atrep_19099_POSS.JPG 2018-06-05 14:11:58 Richard S Post
Classification Reports
ID Time received (UT) Sender Classifier/s Group Classification Redshift Spectra Related files Assoc. Groups End prop. period Remarks ADS Bibcode
2128 2018-06-15 00:48:53 Yashvi Sharma Y. Sharma, D. Neill, N. Blagorodnova, R. Walters on behalf of ZTF ZTF SN Ib 1 1 ZTF 2018TNSCR.827....1S
Related files
File Comments Last Modified (UT) Modified By
tns_2018cew_classrep_2128_ZTF.pdf SNID best match template at redshift = 0.020 is SN Ib-norm 2018-06-15 00:48:53 Yashvi Sharma
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
2135 2018-06-11 10:02:39 P60 / SEDM 1800 SEDmRobot Y. Sharma ZTF tns_2018cew_2018-06-11_10-02-39_P60_SED-Machine_ZTF.txt Object

Comments

TNS
System

Sun, 06/23/2019 - 10:43

Object coordinates updated

Object coordinates updated according to AT-report 19157 of Group GaiaAlerts
Previous RA, DEC: 23:52:24.200, +28:46:30.60 (358.100833, +28.775167)
Updated RA, DEC: 23:52:24.200, +28:46:30.07 (358.100833, 28.775019)

Richard S
Post

Wed, 06/06/2018 - 18:42

considerable brightening

Reshoot on 2458275.942477 in Clear and V shows considerable brightening. The discovery photometry was likely in error due noise in the background and was dimmer than reported. the 2458275.942477 image gives v=18. See attached file

PSN in NGC7775 060618.JPG