BHTOM Targets for 30 June, 2025
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wyrz...@gmail.com
Jun 30, 2025, 3:07:08 PMJun 30
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Hello,
Top 5 data uploaders!
Clear skies!
Your BHTOM Team
bhtom.space
Greetings from the BHTOM Automated Newsletter!
As of 2025-06-30 19:06:30.398755+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 |
|---|---|---|---|---|---|---|
| AT2025hyw | 280.825379 | 5.880453 | 17.5 | 151.0 | Unknown | potential microlensing event from ZTF, almost gone, ZTF25aajzquy |
| AT2025ozk | 277.552050 | -21.235147 | 18.1 | 178.0 | Unknown | Possible SN ~17th mag via the TNS |
| AT2025nfc | 286.537767 | -5.933211 | 19.5 | 161.0 | Unknown | potential microlensing event from ZTF/Alerce, ZTF25aargdhd |
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 | 8.4 | 118.0 | Nova | recurent nova predicted to explode 2024/2025 |
| 4U2206+54 | 331.984320 | 54.518447 | 11.2 | 90.0 | XRB | Be X-ray binary |
| AM_Her | 274.055228 | 49.867989 | 12.4 | 107.0 | CV | Target for joint optical-radio observations |
| BL_Lac | 330.680381 | 42.277772 | 13.3 | 99.0 | BL Lac | famous variable blazar |
| SAXJ2103.5+4545 | 315.898792 | 45.751547 | 13.7 | 103.0 | XRB | Be X-ray binary |
| GROJ2058+42 | 314.698071 | 41.776995 | 14.2 | 107.0 | XRB | Be X-ray binary |
| Gaia21fji | 315.992250 | 50.244500 | 14.2 | 100.0 | YSO | 'Optical monitoring of Gaia- and ZTF-alerted candidate eruptive YSOs' |
| IGRJ21343+4738 | 323.584883 | 47.633391 | 14.4 | 99.0 | XRB | Be X-ray binary |
| KS1947+300 | 297.397850 | 30.208827 | 14.5 | 124.0 | XRB | Be X-ray binary |
| Mrk 841 | 226.004963 | 10.437732 | 14.5 | 118.0 | AGN | changinglook AGN |
| ZTF18abdciiz | 281.649375 | 0.922556 | 15.1 | 156.0 | Unknown | YSO candidate |
| NGC5683-Seyfert | 218.718578 | 48.661870 | 15.6 | 90.0 | AGN | active nucleus of a nearby galaxy for frequent monitoring |
| SN2024afyu | 258.429383 | 7.625256 | 16.0 | 143.0 | SN | Interesting long-term Supernova |
| Gaia18bwz | 174.611270 | 3.368310 | 16.0 | 75.0 | CV | Known dwarf nova QZ Vir in outburst |
| Gaia22cav | 344.036730 | 58.517780 | 16.2 | 82.0 | YSO | 3 mag outburst in candidate EXOR, waiting for the next outbursts |
| AT2025mau | 276.599034 | 10.235546 | 16.2 | 147.0 | Microlensing Event | Candidate long microlensing event from Chinese KATS survey, KATS25K015. Still on the rise! |
| ZTF18aarippg | 217.566838 | 23.062372 | 16.5 | 104.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| Gaia24bux | 347.418150 | 62.482960 | 16.6 | 79.0 | YSO | Brightening in Gaia and Wise source, possibly new young eruptive star |
| SN2025fvw | 233.857429 | 12.057722 | 17.0 | 123.0 | SN | SN Ia, bright nearby supernova |
| SDSS J013136.44+130331.0 | 22.901854 | 13.058618 | 17.4 | 72.0 | QSO | Candidate for lensed QSO |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| ASASSN-25bv | 134.564850 | -43.165320 | 12.5 | 74.0 | Unknown | bright star with large dimmings from ASASSN |
| AT 2025nlr | 227.013640 | -40.141550 | 12.6 | 133.0 | Nova | Astro-COLIBRI target |
| Gaia19dbf | 178.699417 | -64.491850 | 14.2 | 106.0 | Unknown | Possibly a YSO |
| IRAS 23226-3843 | 351.350833 | -38.446978 | 14.7 | 118.0 | AGN | changinglook AGN |
| ASASSN-25cd | 277.969917 | -28.807539 | 15.1 | 174.0 | Unknown | A Deep, Ongoing, Dipping Event |
| AT2025jyk | 335.216667 | -48.373250 | 15.2 | 129.0 | Unknown | Possible Supernova from TNS ~17th mag |
| AT2025hkm | 194.543632 | -10.157840 | 15.3 | 99.0 | Unknown | Nuclear transient in a possibly active galaxy |
| Gaia24ccy | 243.402110 | -25.063310 | 15.5 | 147.0 | YSO | known YSO brightens by 2 mag |
| Gaia24amo | 249.148921 | -53.749919 | 15.8 | 142.0 | Microlensing Event | candidate microlensing event, with the second peak |
| Gaia24dgn | 264.019000 | -51.888140 | 15.8 | 149.0 | Unknown | microlensing candidate |
| HE0413_4031 | 63.810269 | -40.394754 | 15.9 | 72.0 | QSO | Long term variable quasar for monitoring |
| Gaia23bsf | 276.583080 | -14.036970 | 16.2 | 171.0 | Unknown | Star getting brighter very slowly |
| Gaia23bzg | 195.332390 | -14.415280 | 16.4 | 101.0 | QSO | Brightening in known QSO |
| AT2025jtq | 14.382300 | -17.363161 | 16.4 | 92.0 | Unknown | potential supernova found by ASASSN via TNS |
| AT2025nwy | 319.413121 | -22.790797 | 16.5 | 143.0 | Unknown | Possible SN ~17 mag via TNS |
| PMNJ0730-6602 | 112.706495 | -66.038578 | 16.5 | 90.0 | AGN | IAUZ Target |
| Gaia24ctf | 282.353540 | -12.876540 | 16.8 | 169.0 | Unknown | microlensing candidate |
| CTS_C30.10 | 71.833281 | -45.627319 | 16.8 | 73.0 | QSO | Long term variable quasar for monitoring |
| AT2024zkr | 28.595650 | -5.997339 | 16.8 | 75.0 | AGN | BFF candidate, spectrum shows HeII and NIII, ePESSTO+ target |
| Gaia24csq | 286.710270 | -26.939590 | 17.0 | 172.0 | Unknown | potential slowly rising microlensing event |
| HE0435-4312 | 69.299139 | -43.101189 | 17.2 | 72.0 | QSO | Long term variable quasar for monitoring |
| V1725 Sco | 256.693920 | -35.468560 | 17.3 | 157.0 | Nova | Astro-COLIBRI target, bright nova almost gone. |
| 1RXS_J173546.9-302859 | 263.946400 | -30.482900 | 17.5 | 165.0 | Unknown | Possible X-ray transient from SVOM |
| AT2025kku | 40.265125 | -58.890725 | 17.5 | 95.0 | Unknown | Possible SN on the rise ~17th mag |
| Gaia23cnm | 285.322920 | -18.717130 | 17.7 | 173.0 | Unknown | slow and long rise, possible microlensing or YSO |
| SN 2024ggi | 169.592047 | -32.837582 | 17.8 | 87.0 | SN | Astro-COLIBRI target, Supernova, still visible |
Last week's total of images processed: 2913 (2495 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| Adonis_G2-1600 | Gaia24ayd, Gaia24azi, LS I +61 302, AM_Her, Gaia24azc, TabbysStar, SN2025fvw, TCrB, Gaia24dfv |
| EEye_QHY268M | Gaia24ctf, Gaia24csq, AT2025hfm, Gaia24csm, Gaia24aup, Gaia23cnm |
| Flarestar-MPC171_G2-1600 | AT2025mau, TCrB |
| LW_Seestar-S50 | AT 2025nlr, BL_Lac |
| OAUJ-CDK500_F42 | AT2025mau, SN2024afyu |
| PIWNICE90_C4-16000EC | Gaia24cjg, Mrk 841, Gaia21fji, LS I +61 302, 8C0716_714, ZTF18aarippg, TCrB, Gaia19ceq, Gaia24bux, Gaia21bkw, AT2024kwu |
| PROMPT2_FLI | AT2025lki, AT2025mau |
| PROMPT5_Apogee | AT2025lki, AT2025mau |
| ROAD_QHY600M | HD 268687, AR_Pav, TCrB |
| SUTO-Otivar_ASI1600MM | 4U2206+54, TCrB, 2S0114+65 |
| TJO_MEIA3 | Gaia24ayd, Gaia23dqt, LS I +61 302, TCrB, Gaia23cpd, Gaia24bux, SN2024afyu, SN2025bof, Gaia24aup |
| UZPW50_Chile_QHY268PRO | Asteroid_test |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Agnieszka Gurgul (PIWNICE90_C4-16000EC) | 1052 |
| James Glucksman (LW_Seestar-S50) | 441 |
| Franz-Josef Hambsch (ROAD_QHY600M) | 410 |
| Jacek Drazkowski (LW_Seestar-S50) | 364 |
| Josep Manel Carrasco (TJO_MEIA3) | 175 |
| Stephen M. Brincat (Flarestar-MPC171_G2-1600) | 88 |
| Frank Rodriguez (LW_Seestar-S50) | 76 |
| Franky Dubois (Adonis_G2-1600) | 68 |
| Staszek Zola (OAUJ-CDK500_F42) | 56 |
| Sjoerd Dufoer (EEye_QHY268M) | 48 |
| Michal Zejmo (UZPW50_Chile_QHY268PRO) | 45 |
| Adam Popowicz (SUTO-Otivar_ASI1600MM) | 40 |
| Staszek Zola (PROMPT5_Apogee) | 21 |
| Staszek Zola (PROMPT2_FLI) | 20 |
| Alicja Pucek (OAUJ-CDK500_F42) | 6 |
Top 5 data uploaders!
| name | count |
|---|---|
| Agnieszka Gurgul | 1052 |
| James Glucksman | 441 |
| Franz-Josef Hambsch | 410 |
| Jacek Drazkowski | 364 |
| Josep Manel Carrasco | 175 |
Clear skies!
Your BHTOM Team
bhtom.space
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