BHTOM Targets for 23 December, 2024

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Dec 23, 2024, 7:13:31 AM12/23/24

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Hello,

Greetings from the BHTOM Automated Newsletter!

As of 2024-12-23 12:11:13.403669+00:00, these are the new targets added in the last week for observing (importance>=1), sorted by magnitude:

name	ra	dec	mag_last	sun_separation	classification	description
mrk1018	31.566619	-0.291455	15.3	117.0	AGN	changinglook AGN
Gaia24dlh	172.795150	34.213830	19.4	110.0	Unknown	Candidate SN near galaxy SDSS J113110.84+341230.6, now gone

In addition, here are some older targets that are currently visible and requested for observations. These targets have an importance>=4, a sun separation>70, and last magnitude<18, sorted by magnitude.

North (dec>0):

name	ra	dec	mag_last	sun_separation	classification	description
2S0114+65	19.511240	65.291619	9.6	119.0	XRB	Supergiant X-ray binary
LS I +61 302	40.131935	61.229332	10.5	129.0	Unknown	Be-star with unknown compact companion
4U2206+54	331.984320	54.518447	10.8	93.0	XRB	Be X-ray binary
RXJ0441.0+4431	70.247207	44.530349	11.2	153.0	XRB	Be X-ray binary
Gaia24dja	96.869670	3.873100	11.2	160.0	Unknown	Small rise in galactic plane source, possible microlensing or Be star
RXJ0146.9+6121	26.750885	61.356573	11.5	122.0	XRB	Be X-ray binary
IGRJ06074+2205	91.860884	22.096600	12.0	179.0	XRB	Be X-ray binary
8C0716_714	110.472701	71.343434	13.1	131.0	QSO	high cadence variability suspected
4U0115+63	19.633210	63.742520	13.5	119.0	XRB	Be X-ray binary
AM_Her	274.055228	49.867989	13.7	73.0	CV	Target for joint optical-radio observations
BL_Lac	330.680381	42.277772	13.9	85.0	BL Lac	famous variable blazar
SAXJ2103.5+4545	315.898792	45.751547	14.3	80.0	XRB	Be X-ray binary
IGRJ21343+4738	323.584883	47.633391	14.4	85.0	XRB	Be X-ray binary
GROJ2058+42	314.698071	41.776995	14.6	76.0	XRB	Be X-ray binary
Gaia22efa	67.656210	35.842100	14.9	156.0	YSO	Brightening in candidate YSO. After initial accretion burst the brightness started to rise slowly.
4FGL J2032.6+4053	308.153015	40.894001	15.0	73.0	Unknown	Astro-COLIBRI target
Gaia18bwz	174.611270	3.368310	15.3	98.0	CV	Known dwarf nova QZ Vir in outburst
NGC5683-Seyfert	218.718578	48.661870	15.7	86.0	AGN	active nucleus of a nearby galaxy for frequent monitoring
SN 2024igg	227.378793	54.505622	15.8	87.0	SN	Astro-COLIBRI target
AR UMa	168.935790	42.972890	16.0	115.0	CV	CV currently in long outburst, observe densely
Gaia24ala	86.808830	0.152040	16.2	156.0	YSO	Dimming in candidate YSO
AT2024kwu	102.933583	44.352167	16.5	157.0	Microlensing Event	Candidate long microlensing event from Chinese KATS survey, KATS24H008.
ASASSN-24fw	106.329000	6.205306	16.6	158.0	Star	A MS star + IR excess that experienced a 2.5mag deep flux decrease (ATLAS/ASASSN). Needs BVRI (ZYJHK if available) monitoring for relative brightness in egress please
Gaia24bux	347.418150	62.482960	17.1	104.0	YSO	Brightening in Gaia and Wise source, possibly new young eruptive star
AT2024yqo	122.802017	20.380400	17.1	151.0	Unknown	TDE
Gaia23dgt	204.096070	25.538710	17.2	82.0	QSO	Brightening in Gaia source coincident with Seyfert I galaxy
SN2024iss	194.775567	28.811831	17.2	91.0	Unknown	SN II
Gaia24adu	205.400100	43.413980	17.4	90.0	Unknown	rise in a radio galaxy
SDSS J013136.44+130331.0	22.901854	13.058618	17.4	114.0	QSO	Candidate for lensed QSO
SDSSJ094533.99+100950.1	146.391622	10.163917	17.5	126.0	QSO	Long term variable quasar for monitoring
AT2021aeuk	243.249342	42.327847	17.6	71.0	Unknown	Weird repeating flaring nucleus of a galaxy
AT2024as	151.276333	17.489181	17.9	124.0	TDE	nuclear transient of ePESSTO

South (dec<0):

name	ra	dec	mag_last	sun_separation	classification	description
T Ori	83.960201	-5.476368	11.1	150.0	YSO	Herbig AeBe star, YSO
MXB0656-072	104.572033	-7.209779	11.3	147.0	XRB	Be X-ray binary
V1787 Ori	84.538767	-6.821276	12.8	149.0	YSO	Herbig Ae/Be Star
Gaia20dwt	32.462220	-63.311000	13.7	82.0	Nova	outburst in known dwarf nova
Mkn590	33.639835	-0.766717	13.9	119.0	QSO	Flaring quasar
TT Ori	83.819730	-4.762387	13.9	151.0	YSO	eruptive variable, Orion type
V416Ori	83.838583	-5.703439	15.0	150.0	YSO	variable YSO
Gaia23dfq	89.435410	-13.676040	15.5	143.0	YSO	Possibly new eruptive YSO
HE0413_4031	63.810269	-40.394754	16.1	111.0	QSO	Long term variable quasar for monitoring
PMNJ0730-6602	112.706495	-66.038578	16.5	89.0	AGN	IAUZ Target
Gaia23bzg	195.332390	-14.415280	16.5	72.0	QSO	Brightening in known QSO
CTS_C30.10	71.833281	-45.627319	16.7	109.0	QSO	Long term variable quasar for monitoring
AT2024ablg	86.040737	-51.411406	16.9	105.0	Unknown	Bright candidate for TDE
AT2024eff	87.924542	-19.218400	16.9	137.0	Unknown	possible nuclear transient, TDE candidate
HE0435-4312	69.299139	-43.101189	17.0	110.0	QSO	Long term variable quasar for monitoring
AT2024zkr	28.595650	-5.997339	17.1	112.0	AGN	BFF candidate, spectrum shows HeII and NIII, ePESSTO+ target
PKS0454-234	74.263250	-23.414450	17.2	130.0	QSO	long time monitoring for ROTUZ team
AT2023xbu	58.991412	-16.412656	17.4	129.0	AGN	candidate repeating TDE, other name ZTF22abveoak, ePESSTO target
Gaia23dkq	183.716870	-19.030480	17.4	81.0	Unknown	Brightening in Gaia source coincident with galaxy 6dFGS gJ121452.1-190150
AT2024vip	80.208787	-20.542286	17.7	135.0	Unknown	TDE

Last week's total of images processed: 12717 (12621 with success).

Last week's targets observed:

camera	target_names
ASV0.4_SBIG6303	TCrB
CAHA1.23_ASI461MM	Mkn590, 2S0114+65, Gaia24ala, AT2023zgo, SDSS J013136.44+130331.0, Gaia24dja, Gaia24acn, Gaia24aup, Gaia22efa, AT2024yqo, BL_Lac, AT2024kwu
EEye_QHY268M	Gaia24bmk, Gaia24dja, Gaia23dqt, Gaia24dfv, Gaia24aup, Gaia24cvd, AT2024kwu
Flarestar-MPC171_G2-1600	Gaia24dfv, TT Ori, LS I +61 302, TCrB
HAO68_G2-1600	LS I +61 302, TabbysStar, 8C0716_714, TCrB
LCOGT-MCD-1m_4K	AT2024kwu
LCOGT-MCD-40cm_QHY600M	BL_Lac
LCOGT-SAAO-1m_4K	Gaia24bsi
LCOGT-SS-1m_4K	Gaia24bsi
OAUJ-CDK500_F42	Mkn590, 4U0115+63, AT2024kwu
OHP12_ANDOR-936	Gaia24dlh
ROAD_FLI-KAF-16803	HD 269006, T Ori, V1787 Ori
ROAD_QHY600M	Gaia24dcc, Gaia24ala, ASASSN-24fw, ASASSN-21qj, Gaia24dja, OY Mon, Gaia20dwt, Gaia19fct, Gaia23dnm, Gaia19eyy, HD 269006, Gaia24dhn, V1787 Ori

Last week's fits uploads score (sorted by count)

observatory-user	count
Franz-Josef Hambsch (ROAD_FLI-KAF-16803)	11212
Franz-Josef Hambsch (ROAD_QHY600M)	1134
Martina Larma (CAHA1.23_ASI461MM)	132
Sjoerd Dufoer (EEye_QHY268M)	56
Milan Stojanović (ASV0.4_SBIG6303)	48
Jan Kåre Trandem Qvam (HAO68_G2-1600)	38
Stephen M. Brincat (Flarestar-MPC171_G2-1600)	35
Yauheni Stsefanenka (OAUJ-CDK500_F42)	12
Alicja Pucek (OAUJ-CDK500_F42)	12
Rachel Street (LCOGT-MCD-1m_4K)	12
Emilia Kuczma (OAUJ-CDK500_F42)	10
Rachel Street (LCOGT-SS-1m_4K)	6
Rachel Street (LCOGT-SAAO-1m_4K)	6
William Thuillot (OHP12_ANDOR-936)	3
Fraser Lewis (LCOGT-MCD-40cm_QHY600M)	1

Top 5 data uploaders!

name	count
Franz-Josef Hambsch	12346
Martina Larma	132
Sjoerd Dufoer	56
Milan Stojanović	48
Jan Kåre Trandem Qvam	38