BHTOM Targets for 23 June, 2025
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wyrz...@gmail.com
Jun 23, 2025, 5:13:50 AMJun 23
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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 2025-06-23 09:12:58.786437+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 |
|---|---|---|---|---|---|---|
| AT2025oas | 35.353317 | 16.568961 | 16.6 | 53.0 | Unknown | Possible SN ~17 mag via TNS |
| AT2025nwy | 319.413121 | -22.790797 | 16.7 | 136.0 | Unknown | Possible SN ~17 mag via TNS |
| Gaia24dkk | 242.134190 | 31.775160 | 17.2 | 118.0 | QSO | brightening in known QSO |
| Gaia24dug | 197.661730 | -17.965090 | 18.0 | 111.0 | Unknown | Candidate SN near galaxy LEDA 874710 |
| Gaia25aee | 184.056010 | 28.760070 | 20.5 | 81.0 | SN | Confirmed SN II |
| AT2025nsa | 10.572254 | 41.148675 | 20.6 | 68.0 | Unknown | Nova ~17th mag |
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 | 7.8 | 122.0 | Nova | recurent nova predicted to explode 2024/2025 |
| 4U2206+54 | 331.984320 | 54.518447 | 9.7 | 87.0 | XRB | Be X-ray binary |
| AM_Her | 274.055228 | 49.867989 | 12.1 | 107.0 | CV | Target for joint optical-radio observations |
| BL_Lac | 330.680381 | 42.277772 | 13.5 | 95.0 | BL Lac | famous variable blazar |
| SAXJ2103.5+4545 | 315.898792 | 45.751547 | 13.6 | 100.0 | XRB | Be X-ray binary |
| GROJ2058+42 | 314.698071 | 41.776995 | 14.0 | 104.0 | XRB | Be X-ray binary |
| KS1947+300 | 297.397850 | 30.208827 | 14.0 | 121.0 | XRB | Be X-ray binary |
| Gaia21fji | 315.992250 | 50.244500 | 14.2 | 97.0 | YSO | 'Optical monitoring of Gaia- and ZTF-alerted candidate eruptive YSOs' |
| IGRJ21343+4738 | 323.584883 | 47.633391 | 14.4 | 95.0 | XRB | Be X-ray binary |
| Mrk 841 | 226.004963 | 10.437732 | 14.8 | 124.0 | AGN | changinglook AGN |
| AT2025mau | 276.599034 | 10.235546 | 14.8 | 146.0 | Microlensing Event | Candidate long microlensing event from Chinese KATS survey, KATS25K015. Still on the rise! |
| SN2024afyu | 258.429383 | 7.625256 | 15.1 | 146.0 | SN | Interesting long-term Supernova |
| ZTF18abdciiz | 281.649375 | 0.922556 | 15.2 | 154.0 | Unknown | YSO candidate |
| ZTF18aarippg | 217.566838 | 23.062372 | 15.3 | 110.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| Gaia18bwz | 174.611270 | 3.368310 | 15.7 | 82.0 | CV | Known dwarf nova QZ Vir in outburst |
| NGC5683-Seyfert | 218.718578 | 48.661870 | 16.0 | 94.0 | AGN | active nucleus of a nearby galaxy for frequent monitoring |
| Gaia22cav | 344.036730 | 58.517780 | 16.4 | 79.0 | YSO | 3 mag outburst in candidate EXOR, waiting for the next outbursts |
| Gaia24bux | 347.418150 | 62.482960 | 16.7 | 76.0 | YSO | Brightening in Gaia and Wise source, possibly new young eruptive star |
| SN2025fvw | 233.857429 | 12.057722 | 16.7 | 129.0 | SN | SN Ia, bright nearby supernova |
| AT2025kno | 9.599642 | 15.033553 | 17.2 | 77.0 | Unknown | Possible SN ~16th mag |
| SN2025bof | 299.147242 | 50.239614 | 17.4 | 102.0 | SN | Possible SNIa in nearby galaxy |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| AT 2025nlr | 227.013640 | -40.141550 | 11.7 | 139.0 | Nova | Astro-COLIBRI target |
| ASASSN-25bv | 134.564850 | -43.165320 | 13.2 | 77.0 | Unknown | bright star with large dimmings from ASASSN |
| Gaia24ccy | 243.402110 | -25.063310 | 14.0 | 154.0 | YSO | known YSO brightens by 2 mag |
| IRAS 23226-3843 | 351.350833 | -38.446978 | 14.3 | 112.0 | AGN | changinglook AGN |
| Gaia19dbf | 178.699417 | -64.491850 | 14.4 | 110.0 | Unknown | Possibly a YSO |
| Gaia23bzg | 195.332390 | -14.415280 | 14.8 | 108.0 | QSO | Brightening in known QSO |
| AT2025jyk | 335.216667 | -48.373250 | 15.1 | 125.0 | Unknown | Possible Supernova from TNS ~17th mag |
| Gaia23bsf | 276.583080 | -14.036970 | 15.1 | 170.0 | Unknown | Star getting brighter very slowly |
| AT2025hkm | 194.543632 | -10.157840 | 15.2 | 106.0 | Unknown | Nuclear transient in a possibly active galaxy |
| Gaia24dgn | 264.019000 | -51.888140 | 15.8 | 151.0 | Unknown | microlensing candidate |
| AT2025jtq | 14.382300 | -17.363161 | 15.9 | 86.0 | Unknown | potential supernova found by ASASSN via TNS |
| Gaia24amo | 249.148921 | -53.749919 | 15.9 | 145.0 | Microlensing Event | candidate microlensing event, with the second peak |
| 1RXS_J173546.9-302859 | 263.946400 | -30.482900 | 16.0 | 170.0 | Unknown | Possible X-ray transient from SVOM |
| ASASSN-25cd | 277.969917 | -28.807539 | 16.0 | 172.0 | Unknown | A Deep, Ongoing, Dipping Event |
| PMNJ0730-6602 | 112.706495 | -66.038578 | 16.5 | 91.0 | AGN | IAUZ Target |
| Gaia24ctf | 282.353540 | -12.876540 | 16.5 | 165.0 | Unknown | microlensing candidate |
| AT2025lki | 276.488769 | -10.614459 | 16.7 | 166.0 | Unknown | Candidate microlensing event from Chinese KATS survey, KATS25K014. |
| V1725 Sco | 256.693920 | -35.468560 | 16.7 | 162.0 | Nova | Astro-COLIBRI target, bright nova almost gone. |
| CTS_C30.10 | 71.833281 | -45.627319 | 16.8 | 71.0 | QSO | Long term variable quasar for monitoring |
| Gaia24csq | 286.710270 | -26.939590 | 17.0 | 166.0 | Unknown | potential slowly rising microlensing event |
| AT2025kku | 40.265125 | -58.890725 | 17.5 | 93.0 | Unknown | Possible SN on the rise ~17th mag |
| Gaia23cnm | 285.322920 | -18.717130 | 17.6 | 167.0 | Unknown | slow and long rise, possible microlensing or YSO |
Last week's total of images processed: 4313 (3760 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| Adonis_G2-1600 | Gaia24azi, LS I +61 302, Gaia24dfv, SN2025fvw, Gaia24ayd, AM_Her, Gaia24azc, TCrB, TabbysStar |
| EEye_QHY268M | Gaia24aup, Gaia23cnm, AT2025hfm, Gaia24ctf, Gaia24csq, Gaia24csm |
| Flarestar-MPC171_G2-1600 | TCrB, AT2025mau |
| KAO1.88_KFISP | 4U2206+54 |
| LW_Seestar-S50 | BL_Lac, SN2024afyu |
| OAUJ-CDK500_F42 | NGC5683-Seyfert, AT2025mau, SN2024afyu, 8C0716_714, SN2025bof, Gaia24ayd, Gaia24azc, Gaia24dkk |
| PIRATE_FLI | Gaia24cue, Gaia24dkk |
| PROMPT-MO-1_Apogee | Gaia22alz |
| PROMPT5_Apogee | Gaia22alz, ASASSN-24fw, AT2025mau |
| PROMPT6_FLI | ASASSN-24fw, Gaia20agb |
| REM_ROS2 | ASASSN-25bv, Gaia24ayd |
| ROAD_QHY600M | Gaia24dhn, ASASSN-25bv, HD 268687, Gaia24ccy, AT2025hfm, Gaia19eyy, AT2025ggn, ASASSN-21qj, ASASSN-25cd |
| SOAB_ZWO-ASI2600MM | Gaia23cqg, Gaia22cav, Mrk 841, AT2025izy, LS I +61 302, SN2024afyu, AT2025kjp, SN2025fvw, Gaia24dfc, Gaia21fji, SN2025bof, AM_Her, TCrB, ZTF18aarippg, AT2025kej, Gaia24dkk |
| ZAO_G2-1600 | KS1947+300, SN2025fvw, TCrB |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Franz-Josef Hambsch (ROAD_QHY600M) | 3107 |
| Sebastian Kurowski (SOAB_ZWO-ASI2600MM) | 325 |
| Charles Galdies (ZAO_G2-1600) | 322 |
| Gamal Hamed (KAO1.88_KFISP) | 144 |
| Yauheni Stsefanenka (OAUJ-CDK500_F42) | 89 |
| Franky Dubois (Adonis_G2-1600) | 63 |
| Staszek Zola (OAUJ-CDK500_F42) | 62 |
| Alicja Pucek (OAUJ-CDK500_F42) | 41 |
| Staszek Zola (PROMPT5_Apogee) | 39 |
| Stephen M. Brincat (Flarestar-MPC171_G2-1600) | 26 |
| Sebastian Kurowski (OAUJ-CDK500_F42) | 26 |
| BHTOM (REM_ROS2) | 24 |
| Sjoerd Dufoer (EEye_QHY268M) | 22 |
| Jacek Drazkowski (LW_Seestar-S50) | 6 |
| Staszek Zola (PROMPT6_FLI) | 6 |
| Jay Smith (PIRATE_FLI) | 3 |
| Ffion James (PIRATE_FLI) | 3 |
| Staszek Zola (PROMPT-MO-1_Apogee) | 2 |
Top 5 data uploaders!
| name | count |
|---|---|
| Franz-Josef Hambsch | 3107 |
| Sebastian Kurowski | 351 |
| Charles Galdies | 322 |
| Gamal Hamed | 144 |
| Staszek Zola | 109 |
Clear skies!
Your BHTOM Team
bhtom.space
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