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BHTOM Targets for 07 April, 2025
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wyrz...@gmail.com
Apr 7, 2025, 7:09:27 AMApr 7
to bhtomt...@googlegroups.com
Hello,
Top 5 data uploaders!
Clear skies!
Your BHTOM Team
bhtom.space
Greetings from the BHTOM Automated Newsletter!
As of 2025-04-07 11:08:56.176828+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 |
|---|---|---|---|---|---|---|
| AT2025ggn | 75.904408 | -69.402450 | 14.5 | 86.0 | Unknown | Transient found by ASASSN in LMC |
| AT2025ggm | 348.240196 | -58.128444 | 15.2 | 69.0 | Unknown | transient found by ATLAS |
| AT2025ghv | 101.483125 | 12.182694 | 16.1 | 84.0 | Unknown | TNS transient found by XOSS |
| SN 2025gjc | 234.742202 | -22.669828 | 20.5 | 139.0 | SN | Astro-COLIBRI target |
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 | 7.5 | 126.0 | Nova | recurent nova predicted to explode 2024/2025 |
| IGRJ06074+2205 | 91.860884 | 22.096600 | 11.8 | 74.0 | XRB | Be X-ray binary |
| 8C0716_714 | 110.472701 | 71.343434 | 13.6 | 85.0 | QSO | high cadence variability suspected |
| AM_Her | 274.055228 | 49.867989 | 13.8 | 92.0 | CV | Target for joint optical-radio observations |
| KS1947+300 | 297.397850 | 30.208827 | 14.5 | 77.0 | XRB | Be X-ray binary |
| Gaia24dfv | 303.845375 | 36.512631 | 14.6 | 72.0 | Unknown | Potential microlensing event |
| Mrk 841 | 226.004963 | 10.437732 | 14.7 | 145.0 | AGN | changinglook AGN |
| Gaia24ala | 86.808830 | 0.152040 | 14.9 | 71.0 | YSO | Dimming in candidate YSO |
| SN2024afyu | 258.429383 | 7.625256 | 15.0 | 116.0 | SN | Possible long-term SN II at its peak |
| ZTF18aarippg | 217.566838 | 23.062372 | 15.5 | 143.0 | QSO | Tick-Tok possibly merging Super Massive Black Hole binary |
| Gaia18bwz | 174.611270 | 3.368310 | 15.8 | 156.0 | CV | Known dwarf nova QZ Vir in outburst |
| Gaia23axf | 241.218650 | 1.300480 | 16.0 | 134.0 | TDE | brightening in Gaia WISE source |
| NGC5683-Seyfert | 218.718578 | 48.661870 | 16.0 | 121.0 | AGN | active nucleus of a nearby galaxy for frequent monitoring |
| ZTF18abdciiz | 281.649375 | 0.922556 | 16.3 | 94.0 | Unknown | YSO candidate |
| Gaia24dov | 296.333280 | 36.374570 | 16.3 | 78.0 | Unknown | ~0.8 mag rise in Gaia source |
| AR UMa | 168.935790 | 42.972890 | 16.5 | 125.0 | CV | CV currently in long outburst, observe densely |
| ASASSN-24fw | 106.329000 | 6.205306 | 16.6 | 90.0 | Star | A MS star + IR excess that experienced a 2.5mag deep flux decrease (ATLAS/ASASSN). Needs BVRI (ZYJHK if available) monitoring for relative brightness in egress please |
| AT2024kwu | 102.933583 | 44.352167 | 16.7 | 83.0 | Microlensing Event | Candidate long microlensing event from Chinese KATS survey, KATS24H008. |
| 2025eve | 138.673796 | 15.702344 | 16.9 | 119.0 | TDE | Classified as TDE |
| AT2024yqo | 122.802017 | 20.380400 | 17.1 | 103.0 | Unknown | TDE, brightening again? |
| SN2025bof | 299.147242 | 50.239614 | 17.1 | 76.0 | SN | Possible SNIa in nearby galaxy |
| AT2025fma | 310.362542 | 63.140139 | 17.3 | 73.0 | Unknown | Bright hostless transient from XOSS survey |
| Gaia23dgt | 204.096070 | 25.538710 | 17.4 | 147.0 | QSO | Brightening in Gaia source coincident with Seyfert I galaxy |
| SDSSJ094533.99+100950.1 | 146.391622 | 10.163917 | 17.8 | 128.0 | QSO | Long term variable quasar for monitoring |
| 2025chm | 115.246003 | 16.531544 | 17.9 | 97.0 | Unknown | Nuclear transient classified as TDE |
| name | ra | dec | mag_last | sun_separation | classification | description |
|---|---|---|---|---|---|---|
| TCP J18022164-3310319 | 270.590167 | -33.175528 | 11.2 | 107.0 | Unknown | Astro-COLIBRI target, possibile very bright YSO or CV |
| MXB0656-072 | 104.572033 | -7.209779 | 11.3 | 90.0 | XRB | Be X-ray binary |
| Gaia24ccj | 260.245940 | -43.419650 | 11.3 | 113.0 | Unknown | bright blue gal.plane source candidate microlensing event or Be-type outburst rises by 0.2 mag |
| Gaia23dfq | 89.435410 | -13.676040 | 13.3 | 76.0 | YSO | Possibly new eruptive YSO |
| Gaia19dbf | 178.699417 | -64.491850 | 13.9 | 121.0 | Unknown | Possibly a YSO |
| Gaia24ccy | 243.402110 | -25.063310 | 14.0 | 131.0 | YSO | known YSO brightens by 2 mag |
| ZTF18acruktt | 88.904388 | -12.398039 | 14.4 | 75.0 | YSO | YSO candidate |
| 2025fep | 260.034283 | -60.156694 | 15.0 | 109.0 | Unknown | Possible nuclear transient in nearby galaxy ESO 138- G 021 |
| SN 2025efc | 143.681425 | -21.931062 | 15.3 | 127.0 | SN | Astro-COLIBRI target, bright supernova |
| Gaia24dgn | 264.019000 | -51.888140 | 15.7 | 109.0 | Unknown | microlensing candidate |
| Gaia24amo | 249.148921 | -53.749919 | 15.9 | 117.0 | Microlensing Event | candidate microlensing event, possibly going for second rise! |
| SN2024adxu | 220.272308 | -17.477025 | 16.3 | 154.0 | SN | Nearby Supernova Type II |
| Gaia23bsf | 276.583080 | -14.036970 | 16.4 | 101.0 | Unknown | Star getting brighter very slowly |
| AT2024aegq | 84.200821 | -57.355289 | 16.5 | 84.0 | TDE | featurless TDE, ePESSTO+ target |
| V1725 Sco | 256.693920 | -35.468560 | 16.5 | 118.0 | Nova | Astro-COLIBRI target |
| PMNJ0730-6602 | 112.706495 | -66.038578 | 16.6 | 99.0 | AGN | IAUZ Target |
| Gaia23bzg | 195.332390 | -14.415280 | 16.7 | 172.0 | QSO | Brightening in known QSO |
| CTS_C30.10 | 71.833281 | -45.627319 | 16.8 | 72.0 | QSO | Long term variable quasar for monitoring |
| Gaia24csq | 286.710270 | -26.939590 | 16.8 | 92.0 | Unknown | potential slowly rising microlensing event |
| AT2024ablg | 86.040737 | -51.411406 | 16.9 | 83.0 | Unknown | Bright candidate for TDE |
| Gaia24dcm | 188.347600 | -63.472310 | 17.0 | 123.0 | Unknown | candidate microlensing event or YSO |
| Gaia24cby | 246.928600 | -42.522380 | 17.3 | 123.0 | Unknown | red target gets brighter, candidate microlensing event near bulge |
| TDE2025bri | 212.668492 | -10.799167 | 17.4 | 163.0 | TDE | TDE-He candidate |
| Gaia25aao | 172.538810 | -13.748780 | 17.4 | 156.0 | SN | Confirmed SN Ia |
| Gaia24cek | 268.863010 | -35.341330 | 17.5 | 108.0 | Unknown | bright long candidate microlensing event near bulge |
| SN 2024ggi | 169.592047 | -32.837582 | 17.5 | 144.0 | SN | Astro-COLIBRI target, Supernova, still visible |
| Gaia21bja | 241.058958 | -21.487719 | 17.7 | 134.0 | YSO | highly varying YSO |
| Gaia24ctf | 282.353540 | -12.876540 | 17.8 | 95.0 | Unknown | microlensing candidate |
| Gaia24csl | 279.775890 | -21.742460 | 17.9 | 98.0 | Unknown | probable microlensing event near Bulge |
Last week's total of images processed: 2048 (869 with success).
Last week's targets observed:
| camera | target_names |
|---|---|
| Adonis_G2-1600 | LS I +61 302, Gaia24azc, TabbysStar, Gaia24dja, Gaia24dfv, Gaia24azi, Gaia24ayd, TCrB |
| EEye_QHY268M | Gaia24bmk, Gaia24ctf, Gaia24csm, Gaia24csq, AT2024kwu, Gaia24aup, Gaia24cvd, Gaia24dja |
| Flarestar-MPC171_G2-1600 | TT Ori, TCrB |
| GoChile-GoT1_ASI6200 | SN2024adxu, TDE2025bri, AT2025gcz, 2025eve, SN2024afyu, Gaia25aao, 2025fep, AT2025ggm, AT2025ahn, AT2024yqo, TCrB |
| HAO68_G2-1600 | Gaia24aup, AT2025aox, TCrB, Gaia24dov |
| OAUJ-CDK500_F42 | 4U0115+63, LS I +61 302, Gaia18bwz, 8C0716_714, SN2025bof, TCrB, AT2024kwu, SN2024afyu |
| PROMPT-MO-1_Apogee | Gaia20agb, ASASSN-24fw |
| PROMPT5_Apogee | Gaia25aao |
| SOAB_ZWO-ASI2600MM | AT2025fma, LS I +61 302, Gaia22cav, ASASSN-24fw, Gaia24dfc, ZTF18aarippg, SN2025bof, TCrB, AT2024kwu, AM_Her, Mrk 841, AT2025aox, SN2024afyu, Gaia21fji |
| TJO_MEIA3 | ZTF18aarippg, TCrB, SN2025bof, AT2024kwu, Gaia24aup, AT2024as, Gaia23dgt, AT2024yqo, Gaia24ayd, SN2024afyu |
Last week's fits uploads score (sorted by count)
| observatory-user | count |
|---|---|
| Staszek Zola (OAUJ-CDK500_F42) | 1344 |
| Sebastian Kurowski (SOAB_ZWO-ASI2600MM) | 204 |
| Josep Manel Carrasco (TJO_MEIA3) | 157 |
| Mateusz Bronikowski (GoChile-GoT1_ASI6200) | 94 |
| Franky Dubois (Adonis_G2-1600) | 73 |
| Alicja Pucek (OAUJ-CDK500_F42) | 43 |
| Yauheni Stsefanenka (OAUJ-CDK500_F42) | 42 |
| Sebastian Kurowski (OAUJ-CDK500_F42) | 31 |
| Sjoerd Dufoer (EEye_QHY268M) | 25 |
| Jan Kåre Trandem Qvam (HAO68_G2-1600) | 14 |
| Stephen M. Brincat (Flarestar-MPC171_G2-1600) | 9 |
| Staszek Zola (PROMPT-MO-1_Apogee) | 8 |
| Staszek Zola (PROMPT5_Apogee) | 3 |
Top 5 data uploaders!
| name | count |
|---|---|
| Staszek Zola | 1355 |
| Sebastian Kurowski | 235 |
| Josep Manel Carrasco | 157 |
| Mateusz Bronikowski | 94 |
| Franky Dubois | 73 |
Clear skies!
Your BHTOM Team
bhtom.space
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