BHTOM Targets for 26 May, 2025
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wyrz...@gmail.com
May 26, 2025, 7:19:21 AM5/26/25
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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 2025-05-26 11:18:55.578293+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-21js | 176.799026 | -62.176894 | 13.0 | 120.0 | Unknown | It's a star |
| Gaia23cqg | 223.613020 | 51.409360 | 15.6 | 106.0 | BL Lac | known BL Lac brightens by 2 mag in 45 months |
| AT2025kno | 9.599642 | 15.033553 | 16.6 | 51.0 | Unknown | Possible SN ~16th 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 | 9.3 | 133.0 | Nova | recurent nova predicted to explode 2024/2025 |
| 4U2206+54 | 331.984320 | 54.518447 | 10.9 | 73.0 | XRB | Be X-ray binary |
| SAXJ2103.5+4545 | 315.898792 | 45.751547 | 13.7 | 86.0 | XRB | Be X-ray binary |
| GROJ2058+42 | 314.698071 | 41.776995 | 14.1 | 89.0 | XRB | Be X-ray binary |
| BL_Lac | 330.680381 | 42.277772 | 14.2 | 78.0 | BL Lac | famous variable blazar |
| AM_Her | 274.055228 | 49.867989 | 14.3 | 104.0 | CV | Target for joint optical-radio observations |
| KS1947+300 | 297.397850 | 30.208827 | 14.4 | 107.0 | XRB | Be X-ray binary |
| IGRJ21343+4738 | 323.584883 | 47.633391 | 14.6 | 81.0 | XRB | Be X-ray binary |
| Mrk 841 | 226.004963 | 10.437732 | 14.6 | 144.0 | AGN | changinglook AGN |
| Gaia24dfv | 303.845375 | 36.512631 | 14.7 | 99.0 | Unknown | Potential microlensing event |
| Gaia21fji | 315.992250 | 50.244500 | 14.7 | 84.0 | YSO | 'Optical monitoring of Gaia- and ZTF-alerted candidate eruptive YSOs' |
| NGC5683-Seyfert | 218.718578 | 48.661870 | 15.2 | 107.0 | AGN | active nucleus of a nearby galaxy for frequent monitoring |
| Gaia18bwz | 174.611270 | 3.368310 | 15.4 | 109.0 | CV | Known dwarf nova QZ Vir in outburst |
| ZTF18aarippg | 217.566838 | 23.062372 | 16.0 | 129.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| SN2025fvw | 233.857429 | 12.057722 | 16.0 | 146.0 | SN | SN Ia, bright nearby supernova |
| SN2024afyu | 258.429383 | 7.625256 | 16.2 | 147.0 | SN | Interesting long-term Supernova |
| 2025eve | 138.673796 | 15.702344 | 16.9 | 71.0 | TDE | Classified as TDE |
| ZTF18abdciiz | 281.649375 | 0.922556 | 16.9 | 136.0 | Unknown | YSO candidate |
| AT2021gqu | 190.002519 | 1.156860 | 17.0 | 124.0 | Unknown | Transient showing possible re-brightening. Possibly nuclear, matches AGN. Host redshift 0.08 |
| AT2025kej | 273.783879 | 41.364883 | 17.2 | 111.0 | Unknown | potential supernova found by EAST team via TNS |
| SN2025bof | 299.147242 | 50.239614 | 17.4 | 93.0 | SN | Possible SNIa in nearby galaxy |
| AT2021aeuk | 243.249342 | 42.327847 | 17.6 | 117.0 | Unknown | Weird repeating flaring in a z 0.233663 quasar or galaxy |
| Gaia24cjg | 303.691375 | 69.701611 | 17.8 | 80.0 | YSO | Possibly new young eruptive star |
| SDSSJ094533.99+100950.1 | 146.391622 | 10.163917 | 17.9 | 80.0 | QSO | Long term variable quasar for monitoring |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| Gaia24ccy | 243.402110 | -25.063310 | 13.5 | 176.0 | YSO | known YSO brightens by 2 mag |
| IRAS 23226-3843 | 351.350833 | -38.446978 | 14.3 | 90.0 | AGN | changinglook AGN |
| Gaia19dbf | 178.699417 | -64.491850 | 15.3 | 120.0 | Unknown | Possibly a YSO |
| AT2025jyk | 335.216667 | -48.373250 | 15.4 | 104.0 | Unknown | Possible Supernova from TNS ~17th mag |
| Gaia23bsf | 276.583080 | -14.036970 | 15.6 | 147.0 | Unknown | Star getting brighter very slowly |
| 2025fep | 260.034283 | -60.156694 | 16.2 | 139.0 | Unknown | Possible nuclear transient in nearby galaxy ESO 138- G 021 |
| AT2025ggm | 348.240196 | -58.128444 | 16.2 | 100.0 | Unknown | transient found by ATLAS |
| V1725 Sco | 256.693920 | -35.468560 | 16.4 | 161.0 | Nova | Astro-COLIBRI target |
| AT2025hkm | 194.543632 | -10.157840 | 16.4 | 132.0 | Unknown | Nuclear transient in a possibly active galaxy |
| Gaia24dgn | 264.019000 | -51.888140 | 16.4 | 145.0 | Unknown | microlensing candidate |
| Gaia24cek | 268.863010 | -35.341330 | 16.7 | 153.0 | Unknown | bright long candidate microlensing event near bulge |
| AT2025kku | 40.265125 | -58.890725 | 16.7 | 82.0 | Unknown | Possible SN on the rise ~17th mag |
| Gaia24csq | 286.710270 | -26.939590 | 16.7 | 140.0 | Unknown | potential slowly rising microlensing event |
| Gaia24amo | 249.148921 | -53.749919 | 16.8 | 147.0 | Microlensing Event | candidate microlensing event, with the second peak |
| Gaia23bzg | 195.332390 | -14.415280 | 16.8 | 134.0 | QSO | Brightening in known QSO |
| PMNJ0730-6602 | 112.706495 | -66.038578 | 17.0 | 95.0 | AGN | IAUZ Target |
| AT2024aegq | 84.200821 | -57.355289 | 17.0 | 80.0 | TDE | featurless TDE, ePESSTO+ target |
| Gaia24ctf | 282.353540 | -12.876540 | 17.2 | 141.0 | Unknown | microlensing candidate |
| SN 2024ggi | 169.592047 | -32.837582 | 17.4 | 115.0 | SN | Astro-COLIBRI target, Supernova, still visible |
| Gaia23cnm | 285.322920 | -18.717130 | 17.5 | 140.0 | Unknown | slow and long rise, possible microlensing or YSO |
| Gaia24csl | 279.775890 | -21.742460 | 17.9 | 146.0 | Unknown | probable microlensing event near Bulge |
Last week's total of images processed: 1860 (1712 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| AZT-8_C4-16000 | TCrB |
| Adonis_G2-1600 | Gaia24ayd, Gaia24azi, SN2025fvw, Gaia24dfv, TabbysStar, TCrB, AM_Her, Gaia24azc, RZ_LMi |
| Adyu60_Andor-934 | Gaia24csm, Gaia18bwz, AT2025hkm, Gaia24ccy, SDSS_J154329.47+335908.6, Mrk 841, AT2025hfm, ZTF18aarippg, SN2024adxu, TCrB, SN2024afyu, NGC5683-Seyfert |
| AsiagoAO-0.67_G4-16000 | AR UMa |
| EEye_QHY268M | Gaia24ctf, Gaia24csm, AT2024kwu, Gaia24aup, Gaia23cnm, AT2025hfm, Gaia24csq |
| Flarestar-MPC171_G2-1600 | TCrB, Gaia24dfv |
| OAUJ-CDK500_F42 | Gaia24ayd, 8C0716_714, Gaia18bwz, SN2025bof, Gaia23cpd, SN2024afyu, NGC5683-Seyfert, Gaia24azc, SN2024gy |
| PIRATE_FLI | Gaia21del, AT2024wpc, Gaia23cqg, PTFS1117p, SN2024aduf |
| PROMPT5_Apogee | SN2025fvw, ASASSN-24fw, Gaia25aag |
| PROMPT6_FLI | SN2025fvw, ASASSN-24fw |
| Planetarium_Slaskie_Kepler4040 | Gaia18bwz, Gaia24bux, TCrB, 2025eve, SN2024afyu, NGC5683-Seyfert, RZ_LMi |
| ROAD_QHY600M | ASASSN-21js, Gaia19eyy, AT2025ggn, AT2025hfm, ASASSN-24fw, 2025eve, ASASSN-21qj |
| SUHORA60_APOGEE | V416Ori, Gaia24bux, Gaia22efa, GD 300 |
| ZAO_G2-1600 | ZTF18aarippg |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Franz-Josef Hambsch (ROAD_QHY600M) | 713 |
| Waldemar Ogloza (Adyu60_Andor-934) | 361 |
| Waldemar Ogloza (Planetarium_Slaskie_Kepler4040) | 191 |
| Michal Siwak (SUHORA60_APOGEE) | 160 |
| Charles Galdies (ZAO_G2-1600) | 89 |
| Sjoerd Dufoer (EEye_QHY268M) | 68 |
| Stephen M. Brincat (Flarestar-MPC171_G2-1600) | 51 |
| Staszek Zola (PROMPT5_Apogee) | 49 |
| Franky Dubois (Adonis_G2-1600) | 42 |
| Staszek Zola (OAUJ-CDK500_F42) | 40 |
| Staszek Zola (PROMPT6_FLI) | 29 |
| Yauheni Stsefanenka (OAUJ-CDK500_F42) | 22 |
| Alicja Pucek (OAUJ-CDK500_F42) | 21 |
| Ihor Pavlichenko (AZT-8_C4-16000) | 4 |
| Gerard Hamill (PIRATE_FLI) | 4 |
| Isabelle Keattch (PIRATE_FLI) | 3 |
| Jonathan Coelho (PIRATE_FLI) | 3 |
| Christina Tinworth (PIRATE_FLI) | 3 |
| Matthew Ellis (PIRATE_FLI) | 3 |
| Andrea Reguitti (AsiagoAO-0.67_G4-16000) | 3 |
| Jan Janik (SUHORA60_APOGEE) | 1 |
Top 5 data uploaders!
| name | count |
|---|---|
| Franz-Josef Hambsch | 713 |
| Waldemar Ogloza | 552 |
| Michal Siwak | 160 |
| Staszek Zola | 118 |
| Charles Galdies | 89 |
Clear skies!
Your BHTOM Team
bhtom.space
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