BHTOM Targets for 19 May, 2025
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wyrz...@gmail.com
May 19, 2025, 9:27:11 AMMay 19
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Hello,
Top 5 data uploaders!
Clear skies!
Your BHTOM Team
bhtom.space
Greetings from the BHTOM Automated Newsletter!
As of 2025-05-19 13:26:47.887099+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 |
|---|---|---|---|---|---|---|
| AT2025jtq | 14.382300 | -17.363161 | 15.6 | 55.0 | Unknown | potential supernova found by ASASSN via TNS |
| SN2025fvw | 233.857429 | 12.057722 | 15.7 | 148.0 | SN | SN Ia, bright nearby supernova |
| AT2025kjp | 9.631458 | 49.937861 | 16.2 | 47.0 | Unknown | Hostless transient, found by XOSS, via TNS |
| AT2025kku | 40.265125 | -58.890725 | 16.7 | 80.0 | Unknown | Possible SN on the rise ~17th mag |
| AT2025kej | 273.783879 | 41.364883 | 17.1 | 110.0 | Unknown | potential supernova found by EAST team via TNS |
| AT2025izy | 297.278783 | 78.855644 | 19.1 | 76.0 | Unknown | potential hostless transient from ZTF via TNS |
| SN2015ap | 31.305500 | 6.102331 | 19.1 | 27.0 | Unknown | candidate supernova SN Ib |
| AT2025ish | 255.046508 | 32.520850 | 19.7 | 125.0 | Unknown | potential hostless transient from ZTF via TNS |
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 |
|---|---|---|---|---|---|---|
| 4U2206+54 | 331.984320 | 54.518447 | 10.9 | 71.0 | XRB | Be X-ray binary |
| TCrB | 239.875676 | 25.920170 | 11.0 | 134.0 | Nova | recurent nova predicted to explode 2024/2025 |
| AM_Her | 274.055228 | 49.867989 | 13.0 | 103.0 | CV | Target for joint optical-radio observations |
| BL_Lac | 330.680381 | 42.277772 | 13.6 | 73.0 | BL Lac | famous variable blazar |
| Gaia24dfv | 303.845375 | 36.512631 | 13.6 | 95.0 | Unknown | Potential microlensing event |
| SAXJ2103.5+4545 | 315.898792 | 45.751547 | 13.7 | 83.0 | XRB | Be X-ray binary |
| KS1947+300 | 297.397850 | 30.208827 | 13.9 | 103.0 | XRB | Be X-ray binary |
| GROJ2058+42 | 314.698071 | 41.776995 | 14.1 | 85.0 | XRB | Be X-ray binary |
| IGRJ21343+4738 | 323.584883 | 47.633391 | 14.3 | 77.0 | XRB | Be X-ray binary |
| Mrk 841 | 226.004963 | 10.437732 | 14.4 | 148.0 | AGN | changinglook AGN |
| Gaia21fji | 315.992250 | 50.244500 | 14.6 | 81.0 | YSO | 'Optical monitoring of Gaia- and ZTF-alerted candidate eruptive YSOs' |
| SDSSJ094533.99+100950.1 | 146.391622 | 10.163917 | 14.8 | 87.0 | QSO | Long term variable quasar for monitoring |
| NGC5683-Seyfert | 218.718578 | 48.661870 | 15.5 | 110.0 | AGN | active nucleus of a nearby galaxy for frequent monitoring |
| SN2024afyu | 258.429383 | 7.625256 | 15.8 | 145.0 | SN | Interesting long-term Supernova |
| Gaia18bwz | 174.611270 | 3.368310 | 16.0 | 116.0 | CV | Known dwarf nova QZ Vir in outburst |
| ZTF18abdciiz | 281.649375 | 0.922556 | 16.3 | 131.0 | Unknown | YSO candidate |
| ZTF18aarippg | 217.566838 | 23.062372 | 16.6 | 134.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| 2025eve | 138.673796 | 15.702344 | 16.9 | 78.0 | TDE | Classified as TDE |
| AT2021gqu | 190.002519 | 1.156860 | 17.0 | 130.0 | Unknown | Transient showing possible re-brightening. Possibly nuclear, matches AGN. Host redshift 0.08 |
| AT2021aeuk | 243.249342 | 42.327847 | 17.8 | 118.0 | Unknown | Weird repeating flaring in a z 0.233663 quasar or galaxy |
| Gaia24cjg | 303.691375 | 69.701611 | 17.8 | 79.0 | YSO | Possibly new young eruptive star |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| Gaia24ccy | 243.402110 | -25.063310 | 13.4 | 171.0 | YSO | known YSO brightens by 2 mag |
| Gaia19dbf | 178.699417 | -64.491850 | 14.0 | 122.0 | Unknown | Possibly a YSO |
| IRAS 23226-3843 | 351.350833 | -38.446978 | 14.4 | 84.0 | AGN | changinglook AGN |
| Gaia24cro | 274.070700 | -20.931500 | 15.1 | 144.0 | Unknown | candidate microlensing event |
| AT2025hkm | 194.543632 | -10.157840 | 15.1 | 139.0 | Unknown | Nuclear transient in a possibly active galaxy |
| 2025fep | 260.034283 | -60.156694 | 15.4 | 136.0 | Unknown | Possible nuclear transient in nearby galaxy ESO 138- G 021 |
| Gaia23bsf | 276.583080 | -14.036970 | 15.6 | 141.0 | Unknown | Star getting brighter very slowly |
| Gaia24dgn | 264.019000 | -51.888140 | 15.8 | 141.0 | Unknown | microlensing candidate |
| AT2025jyk | 335.216667 | -48.373250 | 15.9 | 99.0 | Unknown | Possible Supernova from TNS ~17th mag |
| Gaia24amo | 249.148921 | -53.749919 | 16.0 | 144.0 | Microlensing Event | candidate microlensing event, with the second peak |
| V1725 Sco | 256.693920 | -35.468560 | 16.3 | 156.0 | Nova | Astro-COLIBRI target |
| AT2024aegq | 84.200821 | -57.355289 | 16.4 | 81.0 | TDE | featurless TDE, ePESSTO+ target |
| PMNJ0730-6602 | 112.706495 | -66.038578 | 16.5 | 96.0 | AGN | IAUZ Target |
| AT2025ggm | 348.240196 | -58.128444 | 16.5 | 96.0 | Unknown | transient found by ATLAS |
| Gaia24ctf | 282.353540 | -12.876540 | 16.7 | 135.0 | Unknown | microlensing candidate |
| Gaia24cek | 268.863010 | -35.341330 | 16.9 | 147.0 | Unknown | bright long candidate microlensing event near bulge |
| Gaia23cnm | 285.322920 | -18.717130 | 17.0 | 133.0 | Unknown | slow and long rise, possible microlensing or YSO |
| Gaia24csq | 286.710270 | -26.939590 | 17.0 | 133.0 | Unknown | potential slowly rising microlensing event |
| Gaia23bzg | 195.332390 | -14.415280 | 17.1 | 141.0 | QSO | Brightening in known QSO |
| SN 2024ggi | 169.592047 | -32.837582 | 17.5 | 120.0 | SN | Astro-COLIBRI target, Supernova, still visible |
| TDE2025bri | 212.668492 | -10.799167 | 17.7 | 156.0 | TDE | TDE-He candidate |
| Gaia24csl | 279.775890 | -21.742460 | 17.9 | 139.0 | Unknown | probable microlensing event near Bulge |
Last week's total of images processed: 1672 (1606 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| Adonis_G2-1600 | Gaia24azi, SN2025fvw, Gaia24ayd, TCrB, RZ_LMi, TabbysStar, AM_Her, Gaia24azc, Gaia24dfv |
| AsiagoAO-0.67_G4-16000 | TCrB, AR UMa |
| EEye_QHY268M | Gaia24csm, AT2025hfm, Gaia24aup, AT2024kwu, Gaia23cnm |
| Flarestar-MPC171_G2-1600 | TCrB, Gaia24dfv |
| GeoNAO-1.5_ANDOR-iKon-XL-230 | AT2024kwu |
| GoChile-GoT1_ASI6200 | TCrB, Gaia24cek, AT2025hfm, AT2025mb, AT2025ggm, TCP J18022164-3310319, SN 2025efc, 2025eve, AT2024yqo, SN2024afyu, AT2025jyk, TDE2025bri |
| MOLETAI-35cm_CCD4710 | Gaia24dja, TCrB, ASASSN-24fw, SN2024afyu, 2025eve, Gaia24dfv |
| MOLETAI-80cm_SOPHIA-4096B | Gaia24dja, Gaia18bwz, TCrB, AT2025ghv, AT2024kwu, AT2024as, 2025eve, 8C0716_714, SN2024afyu, AT2025hkm, AT2025aox, ZTF18aarippg, Gaia24dfv |
| OAUJ-CDK500_F42 | SN2024gy, Gaia18bwz, Gaia24ayd, AT2024kwu, SN2024afyu, Gaia24azc, NGC5683-Seyfert |
| PIRATE_FLI | Gaia25adm |
| PROMPT5_Apogee | ASASSN-24fw, Gaia25aao |
| ROAD_QHY600M | ASASSN-21qj, ASASSN-24fw |
| SOAB_ZWO-ASI2600MM | SAXJ2103.5+4545, TCrB, Gaia21fji, Gaia24ayd, Mrk 841, SN2025bof, SDSS_J154329.47+335908.6, Gaia22cav, AT2024kwu, KS1947+300, 2025eve, AM_Her, 8C0716_714, SN2024afyu, GROJ2058+42, ZTF18aarippg |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Justas Zdanavicius (MOLETAI-35cm_CCD4710) | 527 |
| Sebastian Kurowski (SOAB_ZWO-ASI2600MM) | 242 |
| Franz-Josef Hambsch (ROAD_QHY600M) | 230 |
| Staszek Zola (OAUJ-CDK500_F42) | 228 |
| Justas Zdanavicius (MOLETAI-80cm_SOPHIA-4096B) | 177 |
| Mateusz Bronikowski (GoChile-GoT1_ASI6200) | 79 |
| Franky Dubois (Adonis_G2-1600) | 72 |
| Stephen M. Brincat (Flarestar-MPC171_G2-1600) | 27 |
| Jaunius Bruzas (MOLETAI-80cm_SOPHIA-4096B) | 19 |
| Staszek Zola (PROMPT5_Apogee) | 19 |
| Alicja Pucek (OAUJ-CDK500_F42) | 14 |
| Sjoerd Dufoer (EEye_QHY268M) | 12 |
| Yauheni Stsefanenka (OAUJ-CDK500_F42) | 12 |
| Andrea Reguitti (AsiagoAO-0.67_G4-16000) | 7 |
| Teimuraz Kvernadze (GeoNAO-1.5_ANDOR-iKon-XL-230) | 3 |
| Simon Young (PIRATE_FLI) | 3 |
Top 5 data uploaders!
| name | count |
|---|---|
| Justas Zdanavicius | 704 |
| Staszek Zola | 247 |
| Sebastian Kurowski | 242 |
| Franz-Josef Hambsch | 230 |
| Mateusz Bronikowski | 79 |
Clear skies!
Your BHTOM Team
bhtom.space
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