BHTOM Targets for 10 February, 2025
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wyrz...@gmail.com
Feb 10, 2025, 6:37:11 AM2/10/25
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Hello,
Top 5 data uploaders!
Clear skies!
Your BHTOM Team
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Greetings from the BHTOM Automated Newsletter!
As of 2025-02-10 11:36:37.550330+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 |
|---|---|---|---|---|---|---|
| GRB 250204A | 108.230000 | -23.780000 | 15.5 | 128.0 | Unknown | Astro-COLIBRI target |
| S250205ee | 118.979058 | -54.532822 | 17.5 | 108.0 | Unknown | Astro-COLIBRI target |
| SN2022ffg | 153.450958 | 18.127322 | 17.6 | 170.0 | SN | Type II SN |
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.
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| TCrB | 239.875676 | 25.920170 | 9.3 | 91.0 | Nova | recurent nova predicted to explode 2024/2025 |
| 2S0114+65 | 19.511240 | 65.291619 | 9.6 | 90.0 | XRB | Supergiant X-ray binary |
| LS I +61 302 | 40.131935 | 61.229332 | 10.5 | 96.0 | Unknown | Be-star with unknown compact companion |
| RXJ0146.9+6121 | 26.750885 | 61.356573 | 10.5 | 90.0 | XRB | Be X-ray binary |
| RXJ0441.0+4431 | 70.247207 | 44.530349 | 10.7 | 112.0 | XRB | Be X-ray binary |
| Gaia24dja | 96.869670 | 3.873100 | 11.3 | 133.0 | Unknown | Small rise in galactic plane source, possible microlensing or Be star |
| IGRJ06074+2205 | 91.860884 | 22.096600 | 12.0 | 130.0 | XRB | Be X-ray binary |
| AM_Her | 274.055228 | 49.867989 | 12.9 | 78.0 | CV | Target for joint optical-radio observations |
| Gaia24ala | 86.808830 | 0.152040 | 13.1 | 122.0 | YSO | Dimming in candidate YSO |
| ASASSN-24fw | 106.329000 | 6.205306 | 13.3 | 142.0 | 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 |
| 8C0716_714 | 110.472701 | 71.343434 | 13.6 | 120.0 | QSO | high cadence variability suspected |
| Mrk 841 | 226.004963 | 10.437732 | 14.3 | 100.0 | AGN | changinglook AGN |
| Gaia22efa | 67.656210 | 35.842100 | 14.8 | 110.0 | YSO | Brightening in candidate YSO. After initial accretion burst the brightness started to rise slowly. |
| Gaia24bux | 347.418150 | 62.482960 | 14.9 | 79.0 | YSO | Brightening in Gaia and Wise source, possibly new young eruptive star |
| 4U0115+63 | 19.633210 | 63.742520 | 15.0 | 89.0 | XRB | Be X-ray binary |
| NGC5683-Seyfert | 218.718578 | 48.661870 | 15.5 | 111.0 | AGN | active nucleus of a nearby galaxy for frequent monitoring |
| AR UMa | 168.935790 | 42.972890 | 15.7 | 144.0 | CV | CV currently in long outburst, observe densely |
| Gaia18bwz | 174.611270 | 3.368310 | 15.8 | 148.0 | CV | Known dwarf nova QZ Vir in outburst |
| ZTF18aarippg | 217.566838 | 23.062372 | 16.3 | 110.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| SN2024iss | 194.775567 | 28.811831 | 16.5 | 131.0 | Unknown | SN II |
| Gaia24cjg | 303.691375 | 69.701611 | 16.5 | 85.0 | YSO | Possibly new young eruptive star |
| AT2024kwu | 102.933583 | 44.352167 | 16.7 | 134.0 | Microlensing Event | Candidate long microlensing event from Chinese KATS survey, KATS24H008. |
| SN 2024igg | 227.378793 | 54.505622 | 16.8 | 105.0 | SN | Astro-COLIBRI target |
| Gaia23dgt | 204.096070 | 25.538710 | 17.4 | 123.0 | QSO | Brightening in Gaia source coincident with Seyfert I galaxy |
| SN2024afpg | 160.552067 | 23.747667 | 17.7 | 162.0 | SN | Nearby Supernova |
| SDSSJ094533.99+100950.1 | 146.391622 | 10.163917 | 17.7 | 175.0 | QSO | Long term variable quasar for monitoring |
| AT2024as | 151.276333 | 17.489181 | 17.9 | 172.0 | TDE | nuclear transient of ePESSTO |
| AT2023zgo | 132.228746 | 31.783561 | 17.9 | 160.0 | AGN | Bowen Fluorescence Flare, ePESSTO+ target |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| T Ori | 83.960201 | -5.476368 | 10.9 | 117.0 | YSO | Herbig AeBe star, YSO |
| MXB0656-072 | 104.572033 | -7.209779 | 11.5 | 136.0 | XRB | Be X-ray binary |
| V1787 Ori | 84.538767 | -6.821276 | 12.8 | 118.0 | YSO | Herbig Ae/Be Star |
| Gaia24ccy | 243.402110 | -25.063310 | 13.0 | 75.0 | YSO | known YSO brightens by 2 mag |
| Gaia19dbf | 178.699417 | -64.491850 | 13.8 | 97.0 | Unknown | Possibly a YSO |
| TT Ori | 83.819730 | -4.762387 | 14.0 | 118.0 | YSO | eruptive variable, Orion type |
| V416Ori | 83.838583 | -5.703439 | 14.5 | 117.0 | YSO | variable YSO |
| SN2024adxu | 220.272308 | -17.477025 | 15.3 | 98.0 | SN | Nearby Supernova Type II |
| Gaia23dfq | 89.435410 | -13.676040 | 15.4 | 119.0 | YSO | Possibly new eruptive YSO |
| Gaia21bja | 241.058958 | -21.487719 | 15.7 | 78.0 | YSO | highly varying YSO |
| HE0413_4031 | 63.810269 | -40.394754 | 15.9 | 88.0 | QSO | Long term variable quasar for monitoring |
| SN 2024ggi | 169.592047 | -32.837582 | 16.2 | 127.0 | SN | Astro-COLIBRI target, Supernova, still visible |
| Gaia25aao | 172.538810 | -13.748780 | 16.3 | 140.0 | SN | Confirmed SN Ia |
| Gaia24bzq | 240.752570 | -55.539170 | 16.4 | 74.0 | Unknown | candidate microlensing event |
| AT2025ahn | 225.152167 | -29.430325 | 16.4 | 90.0 | Unknown | Potential transient found by ATLAS |
| AT2024aegq | 84.200821 | -57.355289 | 16.5 | 93.0 | TDE | featurless TDE, ePESSTO+ target |
| AT2024eff | 87.924542 | -19.218400 | 16.5 | 116.0 | Unknown | possible nuclear transient, TDE candidate |
| AT2024ablg | 86.040737 | -51.411406 | 16.7 | 97.0 | Unknown | Bright candidate for TDE |
| PKS0454-234 | 74.263250 | -23.414450 | 16.7 | 102.0 | QSO | long time monitoring for ROTUZ team |
| CTS_C30.10 | 71.833281 | -45.627319 | 16.7 | 92.0 | QSO | Long term variable quasar for monitoring |
| Gaia23bzg | 195.332390 | -14.415280 | 16.7 | 121.0 | QSO | Brightening in known QSO |
| HE0435-4312 | 69.299139 | -43.101189 | 16.9 | 91.0 | QSO | Long term variable quasar for monitoring |
| PMNJ0730-6602 | 112.706495 | -66.038578 | 17.1 | 96.0 | AGN | IAUZ Target |
| AT2023xbu | 58.991412 | -16.412656 | 17.2 | 91.0 | AGN | candidate repeating TDE, other name ZTF22abveoak, ePESSTO target |
| SN2024afav | 192.300204 | -18.103506 | 17.2 | 122.0 | SN | Very nearby SNSL-I, just after the peak |
| Gaia24cby | 246.928600 | -42.522380 | 17.4 | 71.0 | Unknown | red target gets brighter, candidate microlensing event near bulge |
| AT2024vip | 80.208787 | -20.542286 | 17.5 | 108.0 | Unknown | TDE |
| Gaia24dcm | 188.347600 | -63.472310 | 17.6 | 95.0 | Unknown | candidate microlensing event or YSO |
| SN2013bw | 161.718208 | -1.390811 | 17.9 | 156.0 | SN | close to SN2024hw |
Last week's total of images processed: 2256 (1491 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| ASV1.4_Andor | AT2024lgp, Gaia23cri, AT2021aeuk, Gaia24acn, Gaia23crp |
| ASV60_FLI | Gaia23cri |
| EEye_QHY268M | Gaia24cvd, AISV-ID J94.003+14.248, Gaia24dcs, Gaia24dey, Gaia24dfv, AISV-ID J319.395+59.562, Gaia23dqt, Gaia24bmk, AT2024kwu, Gaia24dja, Gaia24aup |
| Flarestar-MPC171_G2-1600 | LS I +61 302, TT Ori |
| GoChile-GoT1_ASI6200 | SN 2024ggi, HE0413_4031, HE0435-4312, CTS_C30.10, Gaia25aao, AT2024eff, SN2024afav, Gaia24dcm, Gaia24aeh, AT2024aegq, PMNJ0730-6602, PKS0454-234, AT2025ahn, AT2024afjn, Gaia24ala, AT2025mb |
| HAO68_G2-1600 | SN2024afpg, ZTF18aarippg, Gaia24dov, 8C0716_714, AT2025aiv, LS I +61 302, TCrB, Gaia24aqv, Gaia24aup, SN2024iss |
| LCOGT-MCD-1m_4K | AT2024kwu |
| LCOGT-SAAO-1m_4K | Gaia24asr, Gaia24dqo, Gaia24atg, Gaia24bsi, Gaia24alk |
| LCOGT-SS-1m_4K | Gaia24dcm, Gaia24bsi |
| OAUJ-CDK500_F42 | Gaia24azc, Gaia25aag, AT2024kwu, LS I +61 302, Gaia18bwz, 4U0115+63, ASASSN-24fw |
| PROMPT-MO-1_Apogee | Gaia20agb, Gaia22alz |
| PROMPT5_Apogee | Gaia23dpn, Gaia25aao |
| ROAD_QHY600M | Gaia24dhn, Gaia19eyy, Gaia19fct, Gaia24dcc, OY Mon, Gaia23dnm, Gaia24dja, ASASSN-21qj, Gaia24ala, ASASSN-24fw |
| SUTO-Otivar_ASI1600MM | OJ287, TabbysStar, Gaia23dgt |
| TJO_MEIA3 | AT2023zgo, Gaia24bux, Gaia23dgt, ZTF18aarippg, AT2024as, Gaia23dgf, AT2024yqo, Gaia23dqt, AT2024kwu, LS I +61 302, TCrB, Gaia18bwz |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Franz-Josef Hambsch (ROAD_QHY600M) | 1282 |
| Josep Manel Carrasco (TJO_MEIA3) | 277 |
| Jan Kåre Trandem Qvam (HAO68_G2-1600) | 207 |
| Sjoerd Dufoer (EEye_QHY268M) | 77 |
| Milan Stojanović (ASV1.4_Andor) | 74 |
| Staszek Zola (OAUJ-CDK500_F42) | 56 |
| Yauheni Stsefanenka (OAUJ-CDK500_F42) | 38 |
| Alicja Pucek (OAUJ-CDK500_F42) | 36 |
| Rachel Street (LCOGT-MCD-1m_4K) | 36 |
| Mojca Grudnik (GoChile-GoT1_ASI6200) | 28 |
| Milan Stojanović (ASV60_FLI) | 24 |
| Stephen M. Brincat (Flarestar-MPC171_G2-1600) | 22 |
| Rachel Street (LCOGT-SAAO-1m_4K) | 18 |
| Adam Popowicz (SUTO-Otivar_ASI1600MM) | 16 |
| Staszek Zola (PROMPT5_Apogee) | 16 |
| Mateusz Bronikowski (GoChile-GoT1_ASI6200) | 16 |
| Rachel Street (LCOGT-SS-1m_4K) | 12 |
| Uliana Pylypenko (LCOGT-SAAO-1m_4K) | 12 |
| Staszek Zola (PROMPT-MO-1_Apogee) | 6 |
| Uliana Pylypenko (LCOGT-SS-1m_4K) | 3 |
Top 5 data uploaders!
| name | count |
|---|---|
| Franz-Josef Hambsch | 1282 |
| Josep Manel Carrasco | 277 |
| Jan Kåre Trandem Qvam | 207 |
| Milan Stojanović | 98 |
| Staszek Zola | 78 |
Clear skies!
Your BHTOM Team
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