RA/DEC (2000)
00:42:43.807 +41:17:20.88
10.6825285 +41.289133
Type
---
Redshift
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2018-12-23 13:25:14.000
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
17.5
Filter
Clear-
Reporter/s
Mi Zhang and Xing Gao

Light curves

 P48_ZTF-Cam_r
 P48_ZTF-Cam_g
 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 2018-12-20 02:44:52 - 2019-01-03 02:41:38 2458472.6145 - 2458486.6122454 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
49341 2019-01-03 02:41:38 2458486.6122454 16.85 0.04 20.5 ABMag r-ZTF P48_ZTF-Cam 30
49379 2018-12-23 03:53:01 2458475.6618171 17.57 0.05 19.82 ABMag r-ZTF P48_ZTF-Cam 30
49340 2018-12-20 02:44:52 2458472.6145 20.14 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
49378 2018-12-20 02:44:52 2458472.6145 20.14 ABMag r-ZTF P48_ZTF-Cam 30 [Last non detection]
g-ZTF P48_ZTF-Cam 2018-12-23 02:30:27 - 2018-12-23 02:30:27 2458475.6044792 - 2458475.6044792 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
49342 2018-12-23 02:30:27 2458475.6044792 17.76 0.05 19.74 ABMag g-ZTF P48_ZTF-Cam 30
49380 2018-12-23 02:30:27 2458475.6044792 17.76 0.05 19.74 ABMag g-ZTF P48_ZTF-Cam 30
Clear- Other_Other 2018-12-22 12:05:52 - 2018-12-27 16:24:23 2458475.0040741 - 2458480.1835995 8
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
48654 2018-12-27 16:24:23 2458480.1835995 15.5 VegaMag Clear- Other_Other 300 Mi Zhang and Xing Gao using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
48382 2018-12-26 13:24:54 2458479.0589583 16 VegaMag Clear- Other_Other 300 Mi Zhang and Xing Gao using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
48383 2018-12-25 13:00:20 2458478.0418981 17.1 VegaMag Clear- Other_Other 300 Mi Zhang and Xing Gao using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
48384 2018-12-24 12:14:57 2458477.0103819 17.1 VegaMag Clear- Other_Other 300 Mi Zhang and Xing Gao using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
47735 2018-12-23 13:25:14 2458476.0591898 17.5 VegaMag Clear- Other_Other 300 Mi Zhang and Xing Gao Mi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 17.5) on severl 300-s survey images (limiting mag about 20.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 23.55919 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m43.80s +41d17'20".8 (equinox 2000.0). Which is about 5.9" west and 72.3" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Dec. 22.50407 UT(limiting mag 20.5).
48381 2018-12-22 13:25:14 2458475.0591898 20.5 VegaMag Clear- Other_Other 300 Mi Zhang and Xing Gao [Last non detection]
48653 2018-12-22 13:25:14 2458475.0591898 20.5 VegaMag Clear- Other_Other 300 Mi Zhang and Xing Gao [Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
47734 2018-12-22 12:05:52 2458475.0040741 20.5 VegaMag Clear- Other_Other 300 Mi Zhang and Xing Gao [Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
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
27836 2019-01-03 10:15:36 ZTF_AMPEL_NEW J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 00:42:43.807 +41:17:20.88 2018-12-23 02:30:27.000 17.57 r-ZTF PSN ZTF18aczzije ZTF N
27823 2019-01-03 10:13:15 ZTF_AMPEL_NEW J. Nordin,V. Brinnel,M. Giomi et al. ZTF ZTF 00:42:43.805 +41:17:20.86 2018-12-23 02:30:27.000 16.85 r-ZTF PSN ZTF18aczzije ZTF N
27461 2018-12-28 15:53:35 Mi Zhang Mi Zhang and Xing Gao et al. XOSS XOSS 00:42:43.800 +41:17:20.80 2018-12-27 16:24:23.000 15.5 Clear- PNV M31 XM07MZ XOSS using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). N
27342 2018-12-26 14:42:26 Mi Zhang Mi Zhang and Xing Gao et al. XOSS XOSS 00:42:43.810 +41:17:20.80 2018-12-26 13:24:54.000 16 Clear- PNV M31 XM07MZ XOSS using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). N
26970 2018-12-23 13:52:38 Mi Zhang Mi Zhang and Xing Gao et al. XOSS XOSS 00:42:43.800 +41:17:20.80 2018-12-23 13:25:14.000 17.5 Clear- PNV M31 XM07MZ XOSS Mi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 17.5) on severl 300-s survey images (limiting mag about 20.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 23.55919 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m43.80s +41d17'20".8 (equinox 2000.0). Which is about 5.9" west and 72.3" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Dec. 22.50407 UT(limiting mag 20.5). 2018TNSTR1968....1G N
Related files
File Comments Last Modified (UT) Modified By
tns_2018klr_atrep_26970_XOSS.png 2018-12-23 13:52:38 Mi Zhang
No Data

Comments

TNS
System

Object coordinates updated

Object coordinates updated according to AT-report 27836 of Group ZTF
Previous RA, DEC: 00:42:43.800, +41:17:20.80 (10.6825, +41.289111)
Updated RA, DEC: 00:42:43.807, +41:17:20.88 (10.6825285, 41.289133)