3-day Schedule
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This page shows 3 days of the Chandra schedule, either side of today, and the total science exposure time for these observations is 2 days and 23 hours. The size of the circles indicate the exposure time, and the color shows whether the observation has been done, is running now, or is in the future; the same colors are used in the table below. For repeated observations it can be hard to make out what is going on, since the circles overlap! The shaded regions trace the Milky Way galaxy. The points are plotted in the Equatorial coordinate system, using the Aitoff projection
.
| Target | Object type | Exposure time | Start | Instrument | Joint with | Turnaround | Constraints | Right Ascension | Declination | Constellation |
|---|---|---|---|---|---|---|---|---|---|---|
| CAL-ER (41776) | 50 minutes | 3 days ago | n/a | n/a | n/a | n/a | 09h 34m 27.8s | -03° 15' 04.3" | n/a | |
| GRB260114A | Unidentified | 6 hours and 52 minutes | 2 days ago | ACIS-S | NRAO,JWST | Intermediate | Time Critical, Monitoring | 04h 58m 23.5s | -08° 00' 51.9" | Eri |
| BOSS0210W | Unidentified | 2 hours and 46 minutes | 2 days ago | ACIS-I | n/a | None | n/a | 02h 10m 60.0s | +00° 46' 48.0" | Cet |
| Abell 795 | Cluster of Galaxies | 2 hours and 45 minutes | 2 days ago | ACIS-S | n/a | None | n/a | 09h 24m 05.3s | +14° 10' 21.5" | Leo |
| SN2025sei | Unidentified | 2 hours and 55 minutes | 1 day ago | ACIS-S | n/a | Intermediate | Time Critical, Monitoring | 17h 48m 59.4s | +25° 29' 44.9" | Her |
| MKN421 | BL Lac - type object | 4 hours and 10 minutes | 1 day ago | ACIS-S with Low Energy Transmission Grating (LETG) | n/a | None | Time Critical, Monitoring | 11h 04m 27.2s | +38° 12' 31.7" | UMa |
| CAL-ER (41773) | 15 minutes | 1 day ago | n/a | n/a | n/a | n/a | 05h 03m 29.3s | +15° 27' 41.8" | n/a | |
| SDSS J014837.63+060020.0 | Quasar | 4 hours and 10 minutes | 23 hours ago | ACIS-I | n/a | None | n/a | 01h 48m 37.6s | +06° 00' 20.0" | Psc |
| CAL-ER (41772) | 19 hours ago | n/a | n/a | n/a | n/a | 04h 09m 42.8s | +72° 05' 04.6" | n/a | ||
| MKN421 | BL Lac - type object | 4 hours and 10 minutes | 18 hours ago | ACIS-S with Low Energy Transmission Grating (LETG) | n/a | None | Time Critical, Monitoring | 11h 04m 27.2s | +38° 12' 31.7" | UMa |
| CAL-ER (41771) | 14 hours ago | n/a | n/a | n/a | n/a | 04h 09m 42.8s | +72° 05' 04.6" | n/a | ||
| SDSS J014837.63+060020.0 | Quasar | 4 hours and 10 minutes | 13 hours ago | ACIS-I | n/a | None | n/a | 01h 48m 37.6s | +06° 00' 20.0" | Psc |
| CAL-ER (41770) | 15 minutes | 8 hours ago | n/a | n/a | n/a | n/a | 14h 43m 14.3s | +60° 39' 19.1" | n/a | |
| ZwCl 0857.9+2107 | Unidentified | 2 hours and 46 minutes | 7 hours ago | ACIS-S | NRAO | None | n/a | 09h 00m 36.8s | +20° 53' 40.1" | Cnc |
| SN2025sei | Unidentified | 2 hours and 33 minutes | 4 hours ago | ACIS-S | n/a | Intermediate | Time Critical, Monitoring | 17h 48m 59.4s | +25° 29' 44.9" | Her |
| CAL-ER (41769) | 50 minutes | now | n/a | n/a | n/a | n/a | 08h 47m 51.0s | +28° 47' 21.8" | n/a | |
| CAL-ER (41768) | 50 minutes | in 3 hours | n/a | n/a | n/a | n/a | 07h 34m 18.5s | +33° 18' 02.9" | n/a | |
| CAL-ER (41767) | 50 minutes | in 5 hours | n/a | n/a | n/a | n/a | 02h 47m 36.0s | +48° 36' 00.0" | n/a | |
| CAL-ER (41766) | 16 minutes and 40 seconds | in 9 hours | n/a | n/a | n/a | n/a | 17h 58m 24.2s | +29° 36' 41.8" | n/a | |
| NGC4496A | Galaxy in Pair of Galaxies | 8 hours and 20 minutes | in 11 hours | ACIS-S | n/a | None | n/a | 12h 31m 39.2s | +03° 56' 22.6" | Vir |
| UGC 05086 | Low Surface Brightness Galaxy | 2 hours and 46 minutes | in 20 hours | ACIS-I | n/a | None | n/a | 09h 32m 48.8s | +21° 27' 56.3" | Leo |
| SN2025sei | Unidentified | 2 hours and 31 minutes | in 24 hours | ACIS-S | n/a | Intermediate | Time Critical, Monitoring | 17h 48m 59.4s | +25° 29' 44.9" | Her |
| PSR J1101-6101 | Gamma-ray Source | 8 hours and 23 minutes | in 1 day | ACIS-I | n/a | None | Time Critical | 11h 01m 45.1s | -61° 01' 40.3" | Car |
| CAL-ER (41765) | in 1 day | n/a | n/a | n/a | n/a | 11h 03m 45.5s | -27° 14' 02.4" | n/a | ||
| ZwCl 0857.9+2107 | Unidentified | 2 hours and 46 minutes | in 2 days | ACIS-S | NRAO | None | n/a | 09h 00m 36.8s | +20° 53' 40.1" | Cnc |
| NGC5728 | Seyfert 2 Galaxy | 2 hours and 31 minutes | in 2 days | ACIS-S | n/a | None | n/a | 14h 42m 23.9s | -17° 15' 11.2" | Lib |
| CAL-ER (41764) | 15 minutes | in 2 days | n/a | n/a | n/a | n/a | 02h 38m 22.7s | -24° 03' 14.4" | n/a | |
| GRB260114A | Unidentified | 6 hours and 56 minutes | in 2 days | ACIS-S | NRAO,JWST | Intermediate | Time Critical, Monitoring | 04h 58m 23.5s | -08° 00' 51.9" | Eri |