Greetings from the BHTOM Automated Newsletter!
As of 2026-02-24 17:36:25.949169+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 |
|---|---|---|---|---|---|---|
| ASASSN-25ff | 122.215208 | -16.658750 | 12.3 | 137.0 | Variable star-other | Raising Variable, matches PS1 g at 13.2 mag |
| V1117 Her | 249.776779 | 9.798698 | 12.9 | 89.0 | Unknown | PMS star, Herbig Ae star |
| TCP J05191540-0204515 | 79.814167 | -2.080972 | 14.0 | 102.0 | Unknown | T Tauri Star |
| MASTER OT J142023.47-485540.0 | 215.097792 | -48.932869 | 14.6 | 103.0 | CV | outburst in CV candidate |
| SN 2026dix | 177.655950 | 55.353589 | 16.3 | 131.0 | Unknown | Closeby IIb supernova |
| ASASSN-25ce | 354.774958 | -27.112611 | 16.5 | 24.0 | Unknown | CV candidate |
| 2MASSJ17300837+6247547 | 262.534854 | 62.798520 | 16.6 | 92.0 | Unknown | cataclysmic variables, stars, dwarf novae |
| TDE2026amv | 123.272067 | 1.466203 | 18.2 | 145.0 | TDE | TDE candidate |
| AT 2024wxb | 232.428625 | 15.428189 | 18.2 | 107.0 | Unknown | Astro-COLIBRI target |
| TDE2026chm | 166.329804 | 8.127358 | 18.5 | 171.0 | TDE | TDE-featureless candidate |
| AT2026dmu | 224.692321 | 37.583406 | 18.9 | 114.0 | Unknown | Bowen Fluorescence Flare |
| TDE2026dmt | 127.215146 | 39.081753 | 19.4 | 140.0 | Unknown | TDE-He candidate |
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 |
|---|---|---|---|---|---|---|
| GAIA DR3 2207162600835525760 | 343.140631 | 62.313246 | 5.8 | 72.0 | YSO | High scientific interest embedded field. Extreme RUWE 33 Optically unresolved Please dont saturate |
| TCrB | 239.875676 | 25.920170 | 8.5 | 101.0 | Nova | recurent nova predicted to explode 2024/2025 |
| RXJ0441.0+4431 | 70.247207 | 44.530349 | 9.6 | 99.0 | XRB | Be X-ray binary |
| LS I +61 302 | 40.131935 | 61.229332 | 9.7 | 86.0 | Unknown | Be-star with unknown compact companion |
| 1H1936+541 (BD+53 2262) | 293.217949 | 53.879297 | 10.3 | 73.0 | XRB | optical counterpart of the Be X-Ray Binary |
| TYC4282-930-1 | 343.409336 | 62.615911 | 10.9 | 72.0 | YSO | LS III +62 22 -- Young Stellar Object |
| HD216629 | 343.315017 | 62.145834 | 10.9 | 72.0 | YSO | Herbig Ae need first analysisch for survey |
| 2S0114+65 | 19.511240 | 65.291619 | 11.1 | 81.0 | XRB | Supergiant X-ray binary |
| RXJ0146.9+6121 | 26.750885 | 61.356573 | 11.6 | 81.0 | XRB | Be X-ray binary |
| IGRJ06074+2205 | 91.860884 | 22.096600 | 12.0 | 116.0 | XRB | Be X-ray binary |
| Gaia22efa | 67.656210 | 35.842100 | 13.3 | 96.0 | YSO | Brightening in candidate YSO. After initial accretion burst the brightness started to rise slowly. |
| AM_Her | 274.055228 | 49.867989 | 13.3 | 81.0 | CV | Target for joint optical-radio observations |
| 8C0716_714 | 110.472701 | 71.343434 | 13.4 | 112.0 | QSO | checking of ~1.7-days periodic variability and quasi-periodic variability of ~24 days |
| Gaia DR3 2207274751021560576 | 343.276248 | 62.609052 | 13.9 | 72.0 | YSO | High scientific interest in an embedded field. Extreme RUWE 33. Please dont saturate the star |
| Mrk 817 | 219.092017 | 58.794299 | 14.0 | 112.0 | Unknown | Seyfert 1 AGN |
| Mrk 841 | 226.004963 | 10.437732 | 14.8 | 112.0 | AGN | changinglook AGN |
| NGC5683-Seyfert | 218.718578 | 48.661870 | 15.1 | 116.0 | AGN | active nucleus of a nearby galaxy for frequent monitoring |
| 4U0115+63 | 19.633210 | 63.742520 | 15.3 | 80.0 | XRB | Be X-ray binary |
| Gaia24ala | 86.808830 | 0.152040 | 15.6 | 110.0 | YSO | Dimming in candidate YSO |
| ZTF18aarippg | 217.566838 | 23.062372 | 15.7 | 121.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| 3C 138 | 80.291192 | 16.639459 | 16.5 | 105.0 | QSO | Compact Steep Spectrum (CSS) type source currently flaring in Gamma-rays and optical |
| SN 2025aico | 172.318154 | 20.585703 | 16.6 | 162.0 | SN | Young SN classified as a II or IIb |
| AT2026bti | 210.693421 | 24.826742 | 16.8 | 127.0 | Unknown | optical transient |
| Gaia16aoz | 162.115140 | 71.726660 | 16.8 | 118.0 | QSO | QSO with a long-term and short-term variability |
| SN2025ahsa | 218.750883 | 0.986231 | 17.0 | 118.0 | Unknown | Supernova SN Ia |
| Q0957+561_A | 150.336216 | 55.898776 | 17.1 | 133.0 | QSO | firstly confirmed lensed quasar (double image), image A (top) |
| SN2024afyu | 258.429383 | 7.625256 | 17.2 | 80.0 | SN | Interesting long-term Supernova |
| 1ES 0502+675 | 76.984013 | 67.623396 | 17.6 | 103.0 | BL Lac | Blazar interesting in the context of search for intergalactic magnetic field |
| SDSSJ094533.99+100950.1 | 146.391622 | 10.163917 | 17.7 | 169.0 | QSO | Long term variable quasar for monitoring |
| Gaia2204674337304419072 | 334.773114 | 61.604365 | 17.9 | 71.0 | Unknown | Possibly eruptive YSO which is approaching to the quiescence |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| T Ori | 83.960201 | -5.476368 | 10.7 | 106.0 | YSO | Herbig AeBe star, YSO |
| HD 98800 | 170.521620 | -24.777768 | 10.8 | 143.0 | YSO | Pre-main sequence quadruple system (AaAb + BaBb) with circumbinary (BaBb) disk to eclipse AaAb |
| MXB0656-072 | 104.572033 | -7.209779 | 11.3 | 125.0 | XRB | Be X-ray binary |
| ngc 3783 | 174.757132 | -37.738611 | 13.4 | 130.0 | AGN | Nearby Seyfert 1 galaxy, active galactic nucleus, interesting for X-ray, high cadence data neeeded, potentially flaring |
| ASASSN-26aa | 219.340667 | -58.794667 | 14.2 | 95.0 | Unknown | potential nova from ASASSN |
| AR Sco | 245.447013 | -22.886218 | 14.3 | 88.0 | CV | White Dwarf pulsar |
| AT2026ayt | 141.847458 | -32.008578 | 14.4 | 136.0 | Unknown | Optical transient, potential weird supernova |
| TDE2025aarm | 68.051646 | -5.377697 | 14.5 | 90.0 | TDE | Nearby TDE from TNS |
| PKS0454-234 | 74.263250 | -23.414450 | 14.9 | 93.0 | QSO | long time monitoring for ROTUZ team |
| AT 2025nlr | 227.013640 | -40.141550 | 15.1 | 99.0 | Nova | Astro-COLIBRI target |
| ASASSN-26af | 82.501958 | -66.724833 | 15.2 | 87.0 | Unknown | Undergoing Deep Dimming Events |
| Gaia19dbf | 178.699417 | -64.491850 | 15.3 | 104.0 | Unknown | Possibly a YSO |
| HE0413_4031 | 63.810269 | -40.394754 | 15.9 | 81.0 | QSO | Long term variable quasar for monitoring |
| ASASSN-25fd | 187.851667 | -59.119028 | 15.9 | 107.0 | Nova | Nova in Crux, PNV J12312434-5907133 |
| AT2025xvc | 85.526933 | -67.018517 | 16.0 | 88.0 | Unknown | possibile bright nova or CV in LMC from GOTO,TNS |
| PMNJ0730-6602 | 112.706495 | -66.038578 | 16.2 | 98.0 | AGN | IAUZ Target |
| AT2026coj | 120.295917 | -3.720583 | 17.0 | 141.0 | Unknown | Bright Cataclysmic Variable candidate from TNS |
| Gaia24amo | 249.148921 | -53.749919 | 17.2 | 81.0 | Microlensing Event | candidate microlensing event, with the second peak |
| SN2026afe | 99.860204 | -21.822386 | 17.7 | 116.0 | Unknown | Type SN Ia-pec |
Last week's total of images processed: 10370 (8776 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| Adonis_G2-1600 | LS I +61 302, Gaia24dja |
| EEye_QHY268M | AT2025mau, AT2025acft, Q0957+561_A |
| HAO50_QHY268M | 8C0716_714 |
| HAO68_G2-1600 | TCrB, SN 2026dix, SN 2025ajmz, SN2024afpg, ZTF18aarippg, 8C0716_714, AT2026cex, AT2025abao, AT2025byb, AT2025acft |
| Kryoneri-1.2_Andor-Zyla | Gaia24ala, Gaia18bwz, 8C0716_714, V1787 Ori, TOI-3714, SN 2025aedz, Q0957+561_A, 2S0114+65, SN2025ahsa, TT Ori, TDE2025aarm, T Ori, Gaia24dfc, Mrk 841, Gaia24aqv, IGRJ21343+4738, AT2020xys, 3C 138, Gaia22efa, Gaia DR3 2207192012773811328, TCrB, 1ES 0502+675, LS I +61 302, HD 98800, 4U0115+63, RXJ0441.0+4431, TYC 168-784-1, IGRJ06074+2205, MGAB-V3780, NGC5683-Seyfert, MXB0656-072, RXJ0146.9+6121, ZTF18aarippg, Gaia23dgf, SN2026afe, Gaia16aoz |
| LCOGT-CTIO-1m_4K | AT2026cex, AT2026ayt, Gaia24amo |
| LCOGT-MCD-1m_4K | AT2026cex, SN2024afyu, AT2025acft |
| LCOGT-SAAO-1m_4K | AT2026ayt |
| LCOGT-SS-1m_4K | AT2026cex, AT2026ayt, Gaia24amo |
| LCOGT-Teide-1m_4K | SN 2025aico, AT2026cex, AT2025abao, M1, AT2025acft |
| LCOGT-Teide-40cm_QHY600M | M1 |
| MOLETAI-35cm_CCD4710 | TCrB, Gaia22efa, TYC 168-784-1 |
| Moravian_C3-61000_PRO | Gaia22efa, SN 2026dix |
| OAUJ-CDK500_U47 | AT2026cex |
| REM_ROS2 | TCrB, Gaia24dfv, MXB0656-072, AT2025hfm, AT2025agt, AT2025mb, Gaia24amo, Gaia18bwz, SN2024afyu, Gaia19dbf, IRAS 23226-3843, Gaia25aao, ASASSN-25bv, Gaia24ayd |
| ROAD40_QHY600M | TCrB, ASASSN-24fw, EX Lup, Gaia19eyy, TCP J18265456-2719122, Gaia24dhn, OY Mon, HD 98800, ASASSN-21js, V1117 Her, Gaia24ccy, HD 312919, FU Ori, ASASSN-25db, ASASSN-25bv |
| ROADC14_QHY600M | AR_Pav, 2MASS J07233213+0926393, AT2025xvc, V4141 Sgr, Nova Velorum 2025, SN2025ahsa, AT 2025nlr, TDE2025aarm, PNV J05271319-7009185, Nova Sagittarii 2025 no.4, ASASSN-25cy, MASTER OT J142023.47-485540.0, V748 Hya, ASASSN-25ce, V5856 Sgr, V1280 Sco, ASASSN-26af, TCP J05191540-0204515, ASASSN-25ff |
| SUTO-Otivar_ASI1600MM | TCrB, Gaia23dgt, 1H1936+541 (BD+53 2262), 2MASS J07233213+0926393, HD 140122, AT2024yqo, TDE2025afsj, RXJ0441.0+4431, AT2026bti, AT2025nxb |
| Salerno_Observatory_FLI | TCrB, RXJ0146.9+6121, AM_Her, 8C0716_714, TOI-3714, RXJ0441.0+4431, Gaia22efa, IGRJ06074+2205 |
| Seestar-S50 | BL_Lac |
| TJO_MEIA3 | TCrB, Gaia23dgf, AT2025acft, LS I +61 302 |
| UZPW50_Chile_QHY268PRO | Gaia21fkl, Gaia23dgt, Gaia24ala, AT2025xvc, Gaia22alz, GaiaDR3_ULENS-122, Gaia18bwz, V1787 Ori, HWVir, TDE2025bri, AT2026bti, OY Mon, TT Ori, TDE2025aarm, J050129.5-073309, T Ori, SDSSJ094533.99+100950.1, ASASSN-25fd, AT2020xys, HD 269006, UX Ori, AT2026cex, Gaia19dbf, AT2026coj, SN2013bw, 3C 138, Gaia24alk, Gaia23ats, PKS0454-234, SN 2025efc, Gaia22bpl, ngc 3783, HD 98800, 2025eve, Gaia22dkv, AT2025xes, PMNJ0730-6602, ASASSN-25bv, SN2026bdl, MGAB-V3780, TX Ori, Gaia24alz, Gaia21fhv, AT2025aarn, Gaia23dkq, Gaia24dcm, AT2024aegq, AT2026ayt, ASASSN-26af, TCP J06571119-1724439, Gaia22aas, SN2026afe, Gaia23dgf, SN 2025aico, HE1104-1805, GaiaDR3-ULENS-012 |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Franz-Josef Hambsch (ROADC14_QHY600M) | 6466 |
| Agata Wozniak (UZPW50_Chile_QHY268PRO) | 1242 |
| BHTOM (REM_ROS2) | 1000 |
| Evangelos Gkiokas (Kryoneri-1.2_Andor-Zyla) | 835 |
| Franz-Josef Hambsch (ROAD40_QHY600M) | 174 |
| Adam Popowicz (SUTO-Otivar_ASI1600MM) | 99 |
| Jan Kåre Trandem Qvam (HAO68_G2-1600) | 79 |
| Valerio Bozza (Salerno_Observatory_FLI) | 64 |
| Justas Zdanavicius (MOLETAI-35cm_CCD4710) | 55 |
| Josep Manel Carrasco (TJO_MEIA3) | 50 |
| Rachel Street (LCOGT-Teide-1m_4K) | 48 |
| Michal Siwak (Moravian_C3-61000_PRO) | 38 |
| Yauheni Stsefanenka (UZPW50_Chile_QHY268PRO) | 28 |
| Lucyna Juchniewicz-Kusiak (Seestar-S50) | 24 |
| Alicja Pucek (UZPW50_Chile_QHY268PRO) | 21 |
| Rachel Street (LCOGT-MCD-1m_4K) | 18 |
| Jacek Drazkowski (Seestar-S50) | 14 |
| Lukasz Wyrzykowski (LCOGT-Teide-1m_4K) | 14 |
| Sjoerd Dufoer (EEye_QHY268M) | 14 |
| Franky Dubois (Adonis_G2-1600) | 12 |
| Patryk Matera (Seestar-S50) | 12 |
| Rachel Street (LCOGT-CTIO-1m_4K) | 8 |
| Rachel Street (LCOGT-SS-1m_4K) | 8 |
| Staszek Zola (OAUJ-CDK500_U47) | 8 |
| Lukasz Wyrzykowski (LCOGT-Teide-40cm_QHY600M) | 6 |
| Mauritz Wicker (LCOGT-MCD-1m_4K) | 6 |
| Priscila Pessi (LCOGT-Teide-1m_4K) | 5 |
| Mauritz Wicker (LCOGT-Teide-1m_4K) | 3 |
| Joysankar Majumdar (LCOGT-CTIO-1m_4K) | 3 |
| Mauritz Wicker (LCOGT-CTIO-1m_4K) | 3 |
| Joysankar Majumdar (LCOGT-SS-1m_4K) | 3 |
| Mauritz Wicker (LCOGT-SS-1m_4K) | 3 |
| Joysankar Majumdar (LCOGT-SAAO-1m_4K) | 3 |
| Jan Kåre Trandem Qvam (HAO50_QHY268M) | 2 |
| Priscila Pessi (LCOGT-MCD-1m_4K) | 1 |
| name | count |
|---|---|
| Franz-Josef Hambsch | 6640 |
| Agata Wozniak | 1242 |
| BHTOM | 1000 |
| Evangelos Gkiokas | 835 |
| Adam Popowicz | 99 |