BHTOM Targets for 07 July, 2025
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wyrz...@gmail.com
Jul 7, 2025, 7:44:58 AMJul 7
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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 2025-07-07 11:44:02.266482+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 |
|---|
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 | 10.0 | 94.0 | XRB | Be X-ray binary |
| TCrB | 239.875676 | 25.920170 | 10.6 | 114.0 | Nova | recurent nova predicted to explode 2024/2025 |
| AM_Her | 274.055228 | 49.867989 | 11.9 | 107.0 | CV | Target for joint optical-radio observations |
| Gaia21fji | 315.992250 | 50.244500 | 13.2 | 103.0 | YSO | 'Optical monitoring of Gaia- and ZTF-alerted candidate eruptive YSOs' |
| BL_Lac | 330.680381 | 42.277772 | 13.5 | 103.0 | BL Lac | famous variable blazar |
| SAXJ2103.5+4545 | 315.898792 | 45.751547 | 13.7 | 107.0 | XRB | Be X-ray binary |
| KS1947+300 | 297.397850 | 30.208827 | 13.8 | 126.0 | XRB | Be X-ray binary |
| GROJ2058+42 | 314.698071 | 41.776995 | 14.0 | 110.0 | XRB | Be X-ray binary |
| Mrk 841 | 226.004963 | 10.437732 | 14.1 | 112.0 | AGN | changinglook AGN |
| IGRJ21343+4738 | 323.584883 | 47.633391 | 14.4 | 102.0 | XRB | Be X-ray binary |
| ZTF18abdciiz | 281.649375 | 0.922556 | 15.2 | 156.0 | Unknown | YSO candidate |
| NGC5683-Seyfert | 218.718578 | 48.661870 | 15.7 | 87.0 | AGN | active nucleus of a nearby galaxy for frequent monitoring |
| ZTF18aarippg | 217.566838 | 23.062372 | 16.1 | 99.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| Gaia22cav | 344.036730 | 58.517780 | 16.2 | 86.0 | YSO | 3 mag outburst in candidate EXOR, waiting for the next outbursts |
| AT2025mau | 276.599034 | 10.235546 | 16.2 | 146.0 | Microlensing Event | Candidate long microlensing event from Chinese KATS survey, KATS25K015. Still on the rise! |
| SN2024afyu | 258.429383 | 7.625256 | 16.5 | 139.0 | SN | Interesting long-term Supernova |
| Gaia24dkk | 242.134190 | 31.775160 | 16.8 | 111.0 | QSO | brightening in known QSO |
| Gaia24bux | 347.418150 | 62.482960 | 16.9 | 82.0 | YSO | Brightening in Gaia and Wise source, possibly new young eruptive star |
| SDSS J013136.44+130331.0 | 22.901854 | 13.058618 | 17.4 | 79.0 | QSO | Candidate for lensed QSO |
| SN2025fvw | 233.857429 | 12.057722 | 17.5 | 118.0 | SN | SN Ia, bright nearby supernova |
| AT2025kno | 9.599642 | 15.033553 | 17.9 | 90.0 | Unknown | Possible SN ~16th mag |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| AT 2025nlr | 227.013640 | -40.141550 | 10.3 | 127.0 | Nova | Astro-COLIBRI target |
| AT2025ozk | 277.552050 | -21.235147 | 11.5 | 172.0 | Unknown | Possible SN ~17th mag via the TNS |
| ASASSN-25bv | 134.564850 | -43.165320 | 12.8 | 71.0 | Unknown | bright star with large dimmings from ASASSN |
| Mkn590 | 33.639835 | -0.766717 | 13.7 | 74.0 | QSO | Flaring quasar |
| Gaia19dbf | 178.699417 | -64.491850 | 14.1 | 103.0 | Unknown | Possibly a YSO |
| Gaia24ccy | 243.402110 | -25.063310 | 14.3 | 141.0 | YSO | known YSO brightens by 2 mag |
| mrk1018 | 31.566619 | -0.291455 | 14.7 | 76.0 | AGN | changinglook AGN |
| ASASSN-25cd | 277.969917 | -28.807539 | 14.7 | 170.0 | Unknown | A Deep, Ongoing, Dipping Event |
| IRAS 23226-3843 | 351.350833 | -38.446978 | 14.8 | 123.0 | AGN | changinglook AGN |
| Gaia23bsf | 276.583080 | -14.036970 | 14.9 | 167.0 | Unknown | Star getting brighter very slowly |
| AT2025hkm | 194.543632 | -10.157840 | 15.1 | 92.0 | Unknown | Nuclear transient in a possibly active galaxy |
| AT2025jyk | 335.216667 | -48.373250 | 15.2 | 134.0 | Unknown | Possible Supernova from TNS ~17th mag |
| Gaia24amo | 249.148921 | -53.749919 | 15.9 | 138.0 | Microlensing Event | candidate microlensing event, with the second peak |
| HE0413_4031 | 63.810269 | -40.394754 | 15.9 | 74.0 | QSO | Long term variable quasar for monitoring |
| AT2025jtq | 14.382300 | -17.363161 | 15.9 | 98.0 | Unknown | potential supernova found by ASASSN via TNS |
| Gaia24dgn | 264.019000 | -51.888140 | 15.9 | 146.0 | Unknown | microlensing candidate |
| 1RXS_J173546.9-302859 | 263.946400 | -30.482900 | 16.1 | 159.0 | Unknown | Possible X-ray transient from SVOM |
| PMNJ0730-6602 | 112.706495 | -66.038578 | 16.5 | 89.0 | AGN | IAUZ Target |
| AT2025nwy | 319.413121 | -22.790797 | 16.5 | 149.0 | Unknown | Possible SN ~17 mag via TNS |
| AT2024zkr | 28.595650 | -5.997339 | 16.7 | 81.0 | AGN | BFF candidate, spectrum shows HeII and NIII, ePESSTO+ target |
| CTS_C30.10 | 71.833281 | -45.627319 | 16.8 | 75.0 | QSO | Long term variable quasar for monitoring |
| Gaia23bzg | 195.332390 | -14.415280 | 16.8 | 95.0 | QSO | Brightening in known QSO |
| V1725 Sco | 256.693920 | -35.468560 | 17.0 | 151.0 | Nova | Astro-COLIBRI target, bright nova almost gone. |
| Gaia24csq | 286.710270 | -26.939590 | 17.0 | 176.0 | Unknown | potential slowly rising microlensing event |
| HE0435-4312 | 69.299139 | -43.101189 | 17.2 | 74.0 | QSO | Long term variable quasar for monitoring |
| Gaia24ctf | 282.353540 | -12.876540 | 17.2 | 170.0 | Unknown | microlensing candidate |
| SN 2024ggi | 169.592047 | -32.837582 | 17.9 | 82.0 | SN | Astro-COLIBRI target, Supernova, still visible |
| Gaia23cnm | 285.322920 | -18.717130 | 17.9 | 176.0 | Unknown | slow and long rise, possible microlensing or YSO |
Last week's total of images processed: 4774 (4290 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| AZT-8_C4-16000 | Gaia24amv, Gaia18dom, Gaia17cuh, Gaia18bad |
| Adonis_G2-1600 | Gaia24azi, Gaia24azc, Gaia24ayd, AM_Her, LS I +61 302, TCrB, SN2025fvw, Gaia24dfv, TabbysStar |
| Adyu60_Andor-934 | SN2024adxu, B1721+343, AT2025lki, Mrk 841, Gaia21bja, Gaia23bzg, NGC5683-Seyfert, TCrB, AT2025mau, SN2024afyu, AT2025nwy, Gaia24csr, GaiaBH1, Gaia25aao, AT2025hkm, Gaia23cpd, SN2025fvw, SDSS_J154329.47+335908.6, TabbysStar, Gaia24cgj, Gaia24azc, Gaia18bwz, Gaia21asp, Gaia24ccy, ZTF18aavyooe, ZTF18aarippg |
| Flarestar-MPC171_G2-1600 | TCrB |
| LCOGT-CTIO-40cm_QHY600M | 3I_ATLAS_20250706, 3I_ATLAS |
| LCOGT-SS-40cm_QHY600M | 3I_ATLAS_20250706_Aus |
| LW_Seestar-S50 | BL_Lac, AT 2025nlr |
| OAUJ-CDK500_F42 | AT2025lki, AT2025mau, Gaia24dkk, SN2025fvw, TCrB |
| PIWNICE90_C4-16000EC | Gaia21fji, 8C0716_714, Mrk 841, TCrB, Gaia24bux, ZTF18aarippg |
| PROMPT5_Apogee | AT2025mau |
| ROAD_QHY600M | ASASSN-21qj, HD 268687, Gaia24ccy, AR_Pav, Gaia23cpd, Gaia23dnm, TCrB |
| SOAB_ZWO-ASI2600MM | Gaia21fji, AT2025kej, AM_Her, Gaia25aag, SN2024afyu, AT2025kjp, AT2025mau, Mrk 841, RXJ0146.9+6121, LS I +61 302, AT2025nsa, AT2025izy, Gaia23cpd, AT2025kno, Gaia24dkk, Gaia24dfc, TCrB, ZTF18aarippg |
| SUTO-Otivar_ASI1600MM | 4U2206+54, 2S0114+65, TCrB |
| TJO_MEIA3 | Gaia24bux, Gaia24ayd, TCrB |
| UZPW50_Chile_QHY268PRO | PKS0454-234, HE0435-4312, HWVir, HE0413_4031, ASASSN-14cc |
| ZAO_G2-1600 | Gaia24dfv, ZTF18aarippg |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Waldemar Ogloza (Adyu60_Andor-934) | 910 |
| Nazlı Karaman (Adyu60_Andor-934) | 858 |
| Staszek Zola (OAUJ-CDK500_F42) | 716 |
| Franz-Josef Hambsch (ROAD_QHY600M) | 587 |
| Agata Wozniak (UZPW50_Chile_QHY268PRO) | 476 |
| Agnieszka Gurgul (PIWNICE90_C4-16000EC) | 274 |
| Sebastian Kurowski (SOAB_ZWO-ASI2600MM) | 272 |
| Michal Zejmo (UZPW50_Chile_QHY268PRO) | 259 |
| Charles Galdies (ZAO_G2-1600) | 179 |
| Franky Dubois (Adonis_G2-1600) | 51 |
| Adam Popowicz (SUTO-Otivar_ASI1600MM) | 45 |
| Pete S. Bek (LW_Seestar-S50) | 40 |
| Josep Manel Carrasco (TJO_MEIA3) | 33 |
| Lukasz Wyrzykowski (LCOGT-CTIO-40cm_QHY600M) | 13 |
| Stephen M. Brincat (Flarestar-MPC171_G2-1600) | 12 |
| Jacek Drazkowski (LW_Seestar-S50) | 9 |
| Yauheni Stsefanenka (OAUJ-CDK500_F42) | 9 |
| Walter Garcia (LW_Seestar-S50) | 8 |
| Andrii Simon (AZT-8_C4-16000) | 8 |
| Alicja Pucek (OAUJ-CDK500_F42) | 6 |
| Lukasz Wyrzykowski (LCOGT-SS-40cm_QHY600M) | 5 |
| Staszek Zola (PROMPT5_Apogee) | 3 |
Top 5 data uploaders!
| name | count |
|---|---|
| Waldemar Ogloza | 910 |
| Nazlı Karaman | 858 |
| Staszek Zola | 719 |
| Franz-Josef Hambsch | 587 |
| Agata Wozniak | 476 |
Clear skies!
Your BHTOM Team
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