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BHTOM Targets for 10 March, 2025
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wyrz...@gmail.com
Mar 10, 2025, 6:39:30 AMMar 10
to bhtomt...@googlegroups.com
Hello,
Top 5 data uploaders!
Clear skies!
Your BHTOM Team
bhtom.space
Greetings from the BHTOM Automated Newsletter!
As of 2025-03-10 10:39:00.756141+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 |
|---|---|---|---|---|---|---|
| GaiaBH1 | 262.171207 | -0.581092 | 13.7 | 88.0 | Variable star-other | Gaia binary system with a black hole and a star |
| TDE2025ccg | 130.689971 | -4.819872 | 18.5 | 139.0 | TDE | TDE-He candidate |
| AT2025dup | 157.443042 | -38.345194 | 18.5 | 136.0 | Unknown | possible bright supernova |
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 | 9.2 | 110.0 | Nova | recurent nova predicted to explode 2024/2025 |
| RXJ0441.0+4431 | 70.247207 | 44.530349 | 10.0 | 86.0 | XRB | Be X-ray binary |
| LS I +61 302 | 40.131935 | 61.229332 | 10.4 | 76.0 | Unknown | Be-star with unknown compact companion |
| 2S0114+65 | 19.511240 | 65.291619 | 10.7 | 73.0 | XRB | Supergiant X-ray binary |
| RXJ0146.9+6121 | 26.750885 | 61.356573 | 11.0 | 71.0 | XRB | Be X-ray binary |
| Gaia24dja | 96.869670 | 3.873100 | 11.3 | 107.0 | Unknown | Small rise in galactic plane source, possible microlensing or Be star |
| IGRJ06074+2205 | 91.860884 | 22.096600 | 12.0 | 102.0 | XRB | Be X-ray binary |
| AM_Her | 274.055228 | 49.867989 | 12.0 | 84.0 | CV | Target for joint optical-radio observations |
| 8C0716_714 | 110.472701 | 71.343434 | 13.5 | 103.0 | QSO | high cadence variability suspected |
| 4U0115+63 | 19.633210 | 63.742520 | 13.7 | 71.0 | XRB | Be X-ray binary |
| Mrk 841 | 226.004963 | 10.437732 | 14.4 | 125.0 | AGN | changinglook AGN |
| Gaia22efa | 67.656210 | 35.842100 | 14.8 | 82.0 | YSO | Brightening in candidate YSO. After initial accretion burst the brightness started to rise slowly. |
| SN2024afyu | 258.429383 | 7.625256 | 14.9 | 92.0 | SN | Possible long-term SN II at its peak |
| Gaia24ala | 86.808830 | 0.152040 | 15.3 | 96.0 | YSO | Dimming in candidate YSO |
| NGC5683-Seyfert | 218.718578 | 48.661870 | 15.5 | 119.0 | AGN | active nucleus of a nearby galaxy for frequent monitoring |
| Gaia18bwz | 174.611270 | 3.368310 | 15.8 | 176.0 | CV | Known dwarf nova QZ Vir in outburst |
| SN 2024igg | 227.378793 | 54.505622 | 16.0 | 112.0 | SN | Astro-COLIBRI target |
| ASASSN-24fw | 106.329000 | 6.205306 | 16.1 | 116.0 | 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 |
| ZTF18aarippg | 217.566838 | 23.062372 | 16.2 | 131.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| AT2024kwu | 102.933583 | 44.352167 | 16.4 | 109.0 | Microlensing Event | Candidate long microlensing event from Chinese KATS survey, KATS24H008. |
| AR UMa | 168.935790 | 42.972890 | 16.4 | 141.0 | CV | CV currently in long outburst, observe densely |
| Gaia23dgt | 204.096070 | 25.538710 | 17.2 | 141.0 | QSO | Brightening in Gaia source coincident with Seyfert I galaxy |
| SDSSJ094533.99+100950.1 | 146.391622 | 10.163917 | 17.5 | 155.0 | QSO | Long term variable quasar for monitoring |
| SN2024iss | 194.775567 | 28.811831 | 17.6 | 146.0 | Unknown | SN II |
| AT2021aeuk | 243.249342 | 42.327847 | 17.8 | 105.0 | Unknown | Weird repeating flaring nucleus of a galaxy |
| AT2024as | 151.276333 | 17.489181 | 17.9 | 157.0 | TDE | nuclear transient of ePESSTO |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| T Ori | 83.960201 | -5.476368 | 11.0 | 93.0 | YSO | Herbig AeBe star, YSO |
| Gaia24ccj | 260.245940 | -43.419650 | 11.0 | 87.0 | Unknown | bright blue gal.plane source candidate microlensing event or Be-type outburst rises by 0.2 mag |
| MXB0656-072 | 104.572033 | -7.209779 | 11.2 | 113.0 | XRB | Be X-ray binary |
| V1787 Ori | 84.538767 | -6.821276 | 11.8 | 94.0 | YSO | Herbig Ae/Be Star |
| TT Ori | 83.819730 | -4.762387 | 13.2 | 93.0 | YSO | eruptive variable, Orion type |
| V416Ori | 83.838583 | -5.703439 | 14.5 | 93.0 | YSO | variable YSO |
| Gaia19dbf | 178.699417 | -64.491850 | 15.0 | 111.0 | Unknown | Possibly a YSO |
| Gaia23bsf | 276.583080 | -14.036970 | 15.3 | 73.0 | Unknown | Star getting brighter very slowly |
| Gaia24dgn | 264.019000 | -51.888140 | 15.4 | 84.0 | Unknown | microlensing candidate |
| Gaia24amo | 249.148921 | -53.749919 | 15.4 | 93.0 | Microlensing Event | candidate microlensing event, possibly going for second rise! |
| Gaia23dfq | 89.435410 | -13.676040 | 15.5 | 98.0 | YSO | Possibly new eruptive YSO |
| Gaia24bzq | 240.752570 | -55.539170 | 15.5 | 97.0 | Unknown | candidate microlensing event |
| GRB 250204A | 108.230000 | -23.780000 | 15.6 | 113.0 | Unknown | Astro-COLIBRI target |
| Gaia21bja | 241.058958 | -21.487719 | 15.6 | 106.0 | YSO | highly varying YSO |
| PKS0454-234 | 74.263250 | -23.414450 | 15.9 | 83.0 | QSO | long time monitoring for ROTUZ team |
| HE0413_4031 | 63.810269 | -40.394754 | 16.0 | 75.0 | QSO | Long term variable quasar for monitoring |
| V1725 Sco | 256.693920 | -35.468560 | 16.2 | 91.0 | Nova | Astro-COLIBRI target |
| Gaia24cek | 268.863010 | -35.341330 | 16.2 | 81.0 | Unknown | bright long candidate microlensing event near bulge |
| Gaia24bcb | 253.318940 | -43.191960 | 16.3 | 92.0 | Unknown | Brightening in candidate YSO |
| SN2024adxu | 220.272308 | -17.477025 | 16.3 | 126.0 | SN | Nearby Supernova Type II |
| PMNJ0730-6602 | 112.706495 | -66.038578 | 16.4 | 99.0 | AGN | IAUZ Target |
| Gaia25aao | 172.538810 | -13.748780 | 16.5 | 162.0 | SN | Confirmed SN Ia |
| AT2024ablg | 86.040737 | -51.411406 | 16.6 | 90.0 | Unknown | Bright candidate for TDE |
| CTS_C30.10 | 71.833281 | -45.627319 | 16.7 | 81.0 | QSO | Long term variable quasar for monitoring |
| Gaia23bzg | 195.332390 | -14.415280 | 16.7 | 149.0 | QSO | Brightening in known QSO |
| HE0435-4312 | 69.299139 | -43.101189 | 16.9 | 79.0 | QSO | Long term variable quasar for monitoring |
| AT2024aegq | 84.200821 | -57.355289 | 16.9 | 89.0 | TDE | featurless TDE, ePESSTO+ target |
| AT2024eff | 87.924542 | -19.218400 | 17.0 | 96.0 | Unknown | possible nuclear transient, TDE candidate |
| TDE2025bri | 212.668492 | -10.799167 | 17.1 | 135.0 | TDE | TDE-He candidate |
| Gaia24cby | 246.928600 | -42.522380 | 17.5 | 97.0 | Unknown | red target gets brighter, candidate microlensing event near bulge |
| Gaia24cff | 266.043340 | -39.113230 | 17.5 | 83.0 | Unknown | near-bulge source candidate for long microlensing event |
| S250205ee | 118.979058 | -54.532822 | 17.5 | 108.0 | Unknown | Astro-COLIBRI target |
| SN2013bw | 161.718208 | -1.390811 | 17.5 | 170.0 | SN | close to SN2024hw |
| Gaia24csm | 275.550660 | -19.679440 | 17.6 | 74.0 | Unknown | gal.plane source candidate microlensing event rises by 2.3 mag |
| SN2024afav | 192.300204 | -18.103506 | 17.6 | 149.0 | SN | Very nearby SNSL-I, just after the peak |
| AT2024vip | 80.208787 | -20.542286 | 17.7 | 88.0 | Unknown | TDE |
| Gaia24dcm | 188.347600 | -63.472310 | 17.7 | 111.0 | Unknown | candidate microlensing event or YSO |
Last week's total of images processed: 2761 (2593 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| Adonis_G2-1600 | Gaia24dja, LS I +61 302, TCrB |
| EEye_QHY268M | Gaia24dja, AT2024kwu, Gaia23dqt |
| Flarestar-MPC171_G2-1600 | LS I +61 302 |
| GoChile-GoT1_ASI6200 | HE0413_4031, HE0435-4312, Gaia25aao, Gaia24ala, TDE2025bri, AT2024eff, AT2024aegq, Gaia24aeh, TCrB, Gaia24dcm, PKS0454-234, SN2024adxu, AT2025dup, Gaia24dcc, AT2025ahn, SN 2024ggi, SN2024afav, PMNJ0730-6602, CTS_C30.10 |
| HAO68_G2-1600 | SN2025bof, LS I +61 302, AT2024kwu, 8C0716_714, SN2024afpg, ZTF18aarippg, TCrB |
| LCOGT-CTIO-1m_4K | Gaia24cfg, Gaia23dta, SN2024adxu, Gaia23dpi, Gaia24asr, Gaia24alk, V1725 Sco, Gaia24ata |
| LCOGT-CTIO-40cm_QHY600M | SN2024afyu |
| LCOGT-HO-40cm_QHY600M | SN2024afyu, TCrB |
| LCOGT-MCD-40cm_QHY600M | SN2024afyu, TCrB |
| LCOGT-SS-1m_4K | Gaia24amo |
| LCOGT-Teide-40cm_QHY600M | SN2024afyu, TCrB |
| OAUJ-CDK500_F42 | 4U0115+63, LS I +61 302, 8C0716_714, Gaia18bwz, AT2024kwu, TCrB |
| PROMPT-MO-1_Apogee | ASASSN-24fw, Gaia25aao |
| PROMPT5_Apogee | Gaia25aao |
| SOAB_ZWO-ASI183MM | IGRJ21343+4738, Gaia23dqt, Gaia18bwz, SN 2024igg, OY Mon, V416Ori, T Ori, Gaia24dfv, 4U0115+63, SN2024iss, AM_Her, RXJ0146.9+6121, SAXJ2103.5+4545, Gaia24ayd, 4FGL J2032.6+4053, GROJ2058+42, TT Ori, ZTF18aarippg, Mkn590, Gaia22efa, AT2024bgz, LS I +61 302, TX Ori, MXB0656-072, Gaia24dja, 4U2206+54, UX Ori, Gaia24bfe, KS1947+300, AT2024kwu |
| SOAB_ZWO-ASI2600MM | Mrk 841, SDSS_J154329.47+335908.6, 2S0114+65, AT2025agt, Gaia23dqt, Gaia18bwz, IGRJ06074+2205, TCrB, SN2024afpg, V416Ori, T Ori, 4U0115+63, AM_Her, RXJ0146.9+6121, SAXJ2103.5+4545, Gaia24ayd, ASASSN-24fw, V1787 Ori, SN2024afyu, GROJ2058+42, RXJ0441.0+4431, TT Ori, ZTF18aarippg, Mkn590, Gaia22efa, SN2025bof, AT2025aox, LS I +61 302, mrk1018, TX Ori, Gaia24dja, 8C0716_714, UX Ori, MXB0656-072, AT2025aiv, 4U2206+54, KS1947+300, AT2024kwu |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Sebastian Kurowski (SOAB_ZWO-ASI2600MM) | 1403 |
| Sebastian Kurowski (SOAB_ZWO-ASI183MM) | 486 |
| Staszek Zola (OAUJ-CDK500_F42) | 333 |
| Mateusz Bronikowski (GoChile-GoT1_ASI6200) | 234 |
| Alicja Pucek (OAUJ-CDK500_F42) | 64 |
| Yauheni Stsefanenka (OAUJ-CDK500_F42) | 64 |
| Franky Dubois (Adonis_G2-1600) | 56 |
| Jan Kåre Trandem Qvam (HAO68_G2-1600) | 29 |
| Uliana Pylypenko (LCOGT-CTIO-1m_4K) | 22 |
| Uliana Pylypenko (LCOGT-HO-40cm_QHY600M) | 13 |
| Uliana Pylypenko (LCOGT-Teide-40cm_QHY600M) | 11 |
| Sjoerd Dufoer (EEye_QHY268M) | 9 |
| Staszek Zola (PROMPT-MO-1_Apogee) | 9 |
| Uliana Pylypenko (LCOGT-MCD-40cm_QHY600M) | 8 |
| Uliana Pylypenko (LCOGT-CTIO-40cm_QHY600M) | 6 |
| Staszek Zola (PROMPT5_Apogee) | 6 |
| Stephen M. Brincat (Flarestar-MPC171_G2-1600) | 6 |
| Uliana Pylypenko (LCOGT-SS-1m_4K) | 2 |
Top 5 data uploaders!
| name | count |
|---|---|
| Sebastian Kurowski | 1889 |
| Staszek Zola | 348 |
| Mateusz Bronikowski | 234 |
| Alicja Pucek | 64 |
| Yauheni Stsefanenka | 64 |
Clear skies!
Your BHTOM Team
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