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 5 days and 3 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| AN UMa | Cataclysmic Binary | 5 hours and 26 minutes | 4 days ago | ACIS-S with High Energy Transmission Grating (HETG) | n/a | None | n/a | 11h 04m 25.7s | +45° 03' 13.9" | UMa |
| Kepler's SNR | Unidentified | 4 hours and 24 minutes | 3 days ago | ACIS-S | n/a | None | n/a | 17h 30m 41.5s | -21° 29' 30.0" | Oph |
| AN UMa | Cataclysmic Binary | 5 hours and 20 minutes | 3 days ago | ACIS-S with High Energy Transmission Grating (HETG) | n/a | None | n/a | 11h 04m 25.7s | +45° 03' 13.9" | UMa |
| CAL-ER (41422) | 50 minutes | 3 days ago | n/a | n/a | n/a | n/a | 17h 00m 23.8s | -15° 23' 15.4" | n/a | |
| CAL-ER (41419) | 50 minutes | 3 days ago | n/a | n/a | n/a | n/a | 23h 46m 24.0s | +55° 06' 00.0" | n/a | |
| Kepler's SNR | Unidentified | 3 hours and 38 minutes | 2 days ago | ACIS-S | n/a | None | n/a | 17h 30m 41.5s | -21° 29' 30.0" | Oph |
| A1795 | Cluster of Galaxies | 5 hours and 30 minutes | 2 days ago | ACIS-S | n/a | None | Time Critical | 13h 48m 52.7s | +26° 35' 27.0" | Boo |
| SDSS J131249.15+225151.5 | Galaxy | 3 hours and 2 minutes | 2 days ago | ACIS-S | n/a | None | n/a | 13h 12m 49.2s | +22° 51' 51.6" | Com |
| NGC4293 | LINER-type Active Galaxy Nucleus | 11 hours and 6 minutes | 2 days ago | ACIS-S | n/a | None | n/a | 12h 21m 13.0s | +18° 22' 58.8" | Com |
| GAIA DR2 4370003505696558080 | Star | 2 hours and 46 minutes | 1 day ago | ACIS-S | n/a | None | n/a | 17h 27m 31.8s | -02° 10' 31.3" | Oph |
| 1RXS J021649.0+703552 | X-ray source | 4 hours and 8 minutes | 1 day ago | ACIS-I | n/a | None | n/a | 02h 16m 49.0s | +70° 35' 52.1" | Cas |
| GAIA DR2 4370003505696558080 | Star | 2 hours and 46 minutes | 24 hours ago | ACIS-S | n/a | None | n/a | 17h 27m 31.8s | -02° 10' 31.3" | Oph |
| 1RXS J021649.0+703552 | X-ray source | 4 hours and 10 minutes | 20 hours ago | ACIS-I | n/a | None | n/a | 02h 16m 49.0s | +70° 35' 52.1" | Cas |
| G011.2-0.3 | SuperNova Remnant | 2 hours and 46 minutes | 15 hours ago | ACIS-S | n/a | None | n/a | 18h 11m 29.4s | -19° 25' 25.0" | Sgr |
| SN2026obc | Unidentified | 5 hours and 33 minutes | 12 hours ago | ACIS-S | n/a | Intermediate | n/a | 01h 07m 49.4s | +41° 59' 43.4" | And |
| CAL-ER (41417) | 50 minutes | 6 hours ago | n/a | n/a | n/a | n/a | 17h 47m 08.3s | -17° 14' 20.8" | n/a | |
| CAL-ER (41416) | 1 hour and 40 minutes | 5 hours ago | n/a | n/a | n/a | n/a | 18h 29m 24.0s | -18° 54' 15.1" | n/a | |
| CAL-ER (41415) | 50 minutes | now | n/a | n/a | n/a | n/a | 00h 32m 00.0s | +11° 00' 00.0" | n/a | |
| CAL-ER (41414) | 15 minutes | in 3 hours | n/a | n/a | n/a | n/a | 18h 29m 24.0s | -18° 54' 15.1" | n/a | |
| CAL-ER (41413) | 15 minutes | in 3 hours | n/a | n/a | n/a | n/a | 17h 48m 00.0s | -28° 00' 00.0" | n/a | |
| ASASSN-14ko | SuperNova | 2 hours and 46 minutes | in 6 hours | ACIS-S | n/a | None | Time Critical, Monitoring | 05h 25m 18.1s | -46° 00' 20.3" | Pic |
| CMZ Molecular Cloud | Unidentified | 3 hours and 53 minutes | in 9 hours | ACIS-I | n/a | None | n/a | 17h 46m 12.1s | -28° 53' 19.3" | Sgr |
| MCG-5-23-16 | Seyfert 2 Galaxy | 4 hours and 26 minutes | in 13 hours | ACIS-S with High Energy Transmission Grating (HETG) | n/a | None | n/a | 09h 47m 40.1s | -30° 56' 56.0" | Ant |
| SDSS J142129.75+474724.5 | Seyfert 1 Galaxy | 11 hours and 29 minutes | in 18 hours | ACIS-S | n/a | None | n/a | 14h 21m 29.7s | +47° 47' 24.5" | Boo |
| CAL-ER (41412) | in 1 day | n/a | n/a | n/a | n/a | 18h 07m 22.7s | +15° 08' 42.0" | n/a | ||
| G011.2-0.3 | SuperNova Remnant | 3 hours and 36 minutes | in 1 day | ACIS-S | n/a | None | n/a | 18h 11m 29.4s | -19° 25' 25.0" | Sgr |
| CAL-ER (41411) | 15 minutes | in 1 day | n/a | n/a | n/a | n/a | 17h 24m 08.6s | -24° 49' 47.6" | n/a | |
| Center of COSMOS-Web | Unidentified | 4 hours and 46 minutes | in 2 days | ACIS-I | n/a | None | n/a | 10h 00m 20.9s | +02° 23' 17.6" | Sex |
| Abell 2255 | Cluster of Galaxies | 3 hours and 20 minutes | in 2 days | ACIS-I | n/a | None | n/a | 17h 12m 50.0s | +64° 03' 10.6" | Dra |
| G011.2-0.3 | SuperNova Remnant | 3 hours and 20 minutes | in 2 days | ACIS-S | n/a | None | n/a | 18h 11m 29.4s | -19° 25' 25.0" | Sgr |
| CAL-ER (41410) | 15 minutes | in 2 days | n/a | n/a | n/a | n/a | 18h 16m 03.7s | -26° 57' 34.9" | n/a | |
| TDE2025abcr | Unidentified | 5 hours and 33 minutes | in 2 days | ACIS-S | n/a | Slow | Time Critical | 01h 46m 55.4s | -15° 22' 15.8" | Cet |
| CAL-ER (41409) | 50 minutes | in 2 days | n/a | n/a | n/a | n/a | 18h 14m 51.0s | -27° 03' 13.0" | n/a | |
| CAL-ER (41408) | 50 minutes | in 2 days | n/a | n/a | n/a | n/a | 17h 23m 48.6s | -23° 23' 60.0" | n/a | |
| CAL-ER (41407) | 15 minutes | in 3 days | n/a | n/a | n/a | n/a | 09h 45m 45.6s | +10° 22' 33.6" | n/a | |
| CAL-ER (41406) | 50 minutes | in 3 days | n/a | n/a | n/a | n/a | 05h 46m 37.5s | +81° 43' 08.0" | n/a | |
| CAL-ER (41405) | 15 minutes | in 3 days | n/a | n/a | n/a | n/a | 17h 27m 60.0s | +28° 41' 60.0" | n/a | |
| CAL-ER (41404) | 50 minutes | in 3 days | n/a | n/a | n/a | n/a | 17h 27m 60.0s | +28° 41' 60.0" | n/a | |
| CAL-ER (41403) | 15 minutes | in 3 days | n/a | n/a | n/a | n/a | 17h 27m 60.0s | +28° 41' 60.0" | n/a | |
| CAL-ER (41402) | 15 minutes | in 3 days | n/a | n/a | n/a | n/a | 05h 46m 37.5s | +81° 43' 08.0" | n/a | |
| CAL-ER (41401) | 15 minutes | in 3 days | n/a | n/a | n/a | n/a | 17h 47m 08.3s | -17° 14' 20.8" | n/a | |
| CAL-ER (41400) | 15 minutes | in 3 days | n/a | n/a | n/a | n/a | 17h 23m 48.6s | -23° 38' 28.7" | n/a | |
| Center of COSMOS-Web | Unidentified | 3 hours and 33 minutes | in 3 days | ACIS-I | n/a | None | n/a | 10h 00m 20.9s | +02° 23' 17.6" | Sex |
| HIPASS J1131-31 | Galaxy | 16 hours and 20 minutes | in 3 days | ACIS-S | n/a | None | n/a | 11h 31m 35.2s | -31° 40' 19.9" | Hya |