RA/DEC (2000)
00:43:44.545 +41:27:52.00
10.9356026195 +41.4644457485
Type
---
Redshift
Discovery Report
Reporting Group
None
Discovering Data Source
None
Discovery Date
2018-11-26 18:49:10.000
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
18.9
Filter
Clear-
Reporter/s
George Carey
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Light curves

 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌ATLAS-MLO_ATLAS-01_orange
 ▌PS1_GPC1_i
 ▌Other_Other_Clear
   
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
r-ZTF P48_ZTF-Cam 2018-12-04 04:08:12 - 2018-12-10 06:41:53 2458456.6723727 - 2458462.7790856 3
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
45399 2018-12-10 06:41:53 2458462.7790856 18.2867 0.103162 19.2856 ABMag r-ZTF P48_ZTF-Cam 30
44812 2018-12-04 04:08:12 2458456.6723727 17.5091 0.0282431 20.1007 ABMag r-ZTF P48_ZTF-Cam 30
45397 2018-12-04 04:08:12 2458456.6723727 17.5091 0.0282431 20.1007 ABMag r-ZTF P48_ZTF-Cam 30
g-ZTF P48_ZTF-Cam 2018-11-28 06:18:16 - 2018-11-28 06:18:16 2458450.7626852 - 2458450.7626852 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
44811 2018-11-28 06:18:16 2458450.7626852 16.5477 0.069575 17.957 ABMag g-ZTF P48_ZTF-Cam 30
45398 2018-11-28 06:18:16 2458450.7626852 16.5477 0.069575 17.957 ABMag g-ZTF P48_ZTF-Cam 30
orange-ATLAS ATLAS-MLO_ATLAS-01 2018-11-24 08:22:33 - 2018-11-28 08:13:55 2458446.8489931 - 2458450.8429977 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
44529 2018-11-28 08:13:55 2458450.8429977 16.389 0.024 19.31 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot
44528 2018-11-24 08:22:33 2458446.8489931 17.95 ABMag orange-ATLAS ATLAS-MLO_ATLAS-01 30 Robot [Last non detection]
i-P1 PS1_GPC1 2018-12-15 07:23:31 - 2018-12-15 07:23:31 2458467.8079977 - 2458467.8079977 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
46489 2018-12-15 07:23:31 2458467.8079977 19.12 0.06 20.7 ABMag i-P1 PS1_GPC1 45 Robot
Clear- Other_Other 2018-11-18 17:45:41 - 2018-11-26 18:49:10 2458441.2400579 - 2458449.2841435 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
43957 2018-11-26 18:49:10 2458449.2841435 18.9 0.1 19 VegaMag Clear- Other_Other 600 G Carey QSI 683CCD
43956 2018-11-18 17:45:41 2458441.2400579 19 VegaMag Clear- Other_Other 600 G Carey [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
26621 2018-12-18 20:11:07 PS1_Bot1 K. C. Chambers,M. E. Huber,H. Flewelling et al. Pan-STARRS Pan-STARRS 00:43:44.545 +41:27:52.00 2018-12-15 07:23:31.000 19.12 i-P1 PSN PS18ceg Pan-STARRS N
26100 2018-12-10 11:20:59 ZTF_AMPEL_NEW J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 00:43:44.546 +41:27:51.89 2018-11-28 06:18:16.000 17.5091 r-ZTF PSN ZTF18acrjydf ZTF N
25852 2018-12-04 12:03:28 ZTF_AMPEL_NEW J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 00:43:44.546 +41:27:51.93 2018-11-28 06:18:16.000 16.5477 g-ZTF PSN ZTF18acrjydf ZTF N
25718 2018-11-29 18:40:48 ATLAS_Bot1 J. Tonry,L. Denneau,A. Heinze et al. ATLAS ATLAS 00:43:44.544 +41:27:51.99 2018-11-28 08:13:55.000 16.389 orange-ATLAS PSN ATLAS18zny ATLAS N
25550 2018-11-26 19:45:07 George Carey George Carey et al. 00:43:44.560 +41:27:52.40 2018-11-26 18:49:10.000 18.9 Clear- PNV M31 The object is visible on 3 consecutive 600 second images. Nothing is visible on PanSTARRS or Simbad at that location. No minor planets in that region. 2018TNSTR1822....1C N
No Data

Comments

TNS
System

Sun, 06/23/2019 - 10:43

Object coordinates updated

Object coordinates updated according to AT-report 26621 of Group Pan-STARRS1
Previous RA, DEC: 00:43:44.560, +41:27:52.40 (10.935667, +41.464556)
Updated RA, DEC: 00:43:44.545, +41:27:52.00 (10.9356026195, 41.4644457485)

George
Carey

Fri, 11/30/2018 - 13:54

Classification as nova

28 Nov 2018; 13:54 UT
Liverpool Telescope - "spectrum indicates that AT2018jas is a classical nova eruption in M31 that has been caught in the early Fe II-curtain phase (immediately post-fireball)"

http://www.astronomerstelegram.org/?read=12245

George
Carey

Tue, 11/27/2018 - 00:18

Confirmation image

Image by Denis Buczynski - MPC Code I81 Tarbatness Observatory, 2018-11-26 23:21:34
Stack, 10 x 120 seconds

AT_2018jas_Denis_Buczynski.jpg
George
Carey

Mon, 11/26/2018 - 21:06

AT 2018jas

Object visible on 6 consecutive images, 600 seconds each. Now obscured by cloud.
Image attached.

AT 2018jas.jpg