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 4 days and 20 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| B2.4 0553+23 | Radio Source | 4 hours and 25 minutes | 3 days ago | ACIS-S | n/a | None | n/a | 05h 56m 57.6s | +23° 55' 08.0" | Tau |
| GW170817 | Gravitational Wave Event | 5 hours and 13 minutes | 3 days ago | ACIS-S | NRAO | None | Time Critical | 13h 09m 48.1s | -23° 22' 53.3" | Hya |
| IRAS04416+1215 | Seyfert 1 Galaxy | 4 hours and 10 minutes | 3 days ago | ACIS-S | n/a | None | Time Critical, Monitoring | 04h 44m 28.8s | +12° 21' 11.7" | Ori |
| SDSS J160318.74+180904.9 | Quasar | 3 hours and 24 minutes | 3 days ago | ACIS-S | NRAO | None | n/a | 16h 03m 18.7s | +18° 09' 05.0" | Her |
| IRAS04416+1215 | Seyfert 1 Galaxy | 3 hours and 17 minutes | 2 days ago | ACIS-S | n/a | None | Time Critical, Monitoring | 04h 44m 28.8s | +12° 21' 11.7" | Ori |
| ACT-CL J0223.9-3921 | Cluster of Galaxies | 5 hours and 32 minutes | 2 days ago | ACIS-S | n/a | None | n/a | 02h 24m 00.8s | -39° 21' 44.3" | For |
| CAL-ER (41865) | 50 minutes | 2 days ago | n/a | n/a | n/a | n/a | 05h 30m 24.0s | +20° 53' 60.0" | n/a | |
| CAL-ER (41860) | 15 minutes | 2 days ago | n/a | n/a | n/a | n/a | 19h 16m 47.1s | +19° 01' 40.1" | n/a | |
| Perseus cluster | Cluster of Galaxies | 3 hours and 36 minutes | 2 days ago | ACIS-I | n/a | None | Time Critical | 03h 19m 48.2s | +41° 30' 42.2" | Per |
| IIZw171 | Unidentified | 2 hours and 46 minutes | 1 day ago | ACIS-S | n/a | None | n/a | 22h 11m 53.9s | +18° 41' 49.9" | Peg |
| Perseus cluster | Cluster of Galaxies | 3 hours and 3 minutes | 1 day ago | ACIS-I | n/a | None | Time Critical | 03h 19m 48.2s | +41° 30' 42.2" | Per |
| PG2304+042 | Seyfert 1 Galaxy | 2 hours and 46 minutes | 1 day ago | ACIS-S | n/a | None | n/a | 23h 07m 02.9s | +04° 32' 57.0" | Psc |
| Perseus cluster | Cluster of Galaxies | 3 hours and 3 minutes | 22 hours ago | ACIS-I | n/a | None | Time Critical | 03h 19m 48.2s | +41° 30' 42.2" | Per |
| SDSSJ233504.22-084506.4 | Unidentified | 2 hours and 56 minutes | 19 hours ago | ACIS-S | n/a | None | n/a | 23h 35m 04.2s | -08° 45' 06.4" | Aqr |
| Perseus cluster | Cluster of Galaxies | 3 hours and 3 minutes | 16 hours ago | ACIS-I | n/a | None | Time Critical | 03h 19m 48.2s | +41° 30' 42.2" | Per |
| Center of COSMOS-Web | Unidentified | 3 hours and 53 minutes | 12 hours ago | ACIS-I | n/a | None | n/a | 09h 59m 50.8s | +02° 26' 01.6" | Sex |
| SN 1986J | SuperNova | 4 hours and 10 minutes | 7 hours ago | ACIS-S | n/a | None | Time Critical, Monitoring | 02h 22m 31.3s | +42° 19' 56.4" | And |
| CAL-ER (41859) | 15 minutes | 2 hours ago | n/a | n/a | n/a | n/a | 06h 30m 38.7s | +32° 08' 55.0" | n/a | |
| SDSS J142846.71+172353.1 | Unidentified | 2 hours and 46 minutes | now | ACIS-S | n/a | None | n/a | 14h 28m 46.7s | +17° 23' 53.2" | Boo |
| 2MASX J07040344+3830246 | Galaxy | 2 hours and 46 minutes | in 2 hours | ACIS-S | n/a | None | n/a | 07h 04m 03.5s | +38° 30' 24.8" | Aur |
| CAL-ER (41858) | 15 minutes | in 6 hours | n/a | n/a | n/a | n/a | 18h 03m 36.1s | +25° 45' 35.6" | n/a | |
| TV Cassiopeia | Spectroscopic Binary | 3 hours and 3 minutes | in 6 hours | ACIS-S with High Energy Transmission Grating (HETG) | n/a | None | n/a | 00h 19m 18.8s | +59° 08' 20.5" | Cas |
| AT2025aarm | Unidentified | 4 hours and 10 minutes | in 10 hours | ACIS-S | n/a | Immediate | Time Critical | 04h 32m 12.4s | -05° 22' 39.6" | Eri |
| CAL-ER (41857) | 50 minutes | in 15 hours | n/a | n/a | n/a | n/a | 06h 03m 36.0s | +11° 54' 00.0" | n/a | |
| CAL-ER (41856) | 50 minutes | in 16 hours | n/a | n/a | n/a | n/a | 06h 03m 36.0s | +11° 54' 00.0" | n/a | |
| CAL-ER (41855) | 50 minutes | in 17 hours | n/a | n/a | n/a | n/a | 07h 02m 24.0s | +14° 11' 60.0" | n/a | |
| CAL-ER (41854) | 50 minutes | in 21 hours | n/a | n/a | n/a | n/a | 14h 13m 59.8s | -37° 29' 23.3" | n/a | |
| IC 443 | SuperNova Remnant | 2 hours and 55 minutes | in 1 day | ACIS-S | n/a | None | n/a | 06h 17m 05.0s | +22° 21' 27.0" | Gem |
| NGC5728 | Seyfert 2 Galaxy | 4 hours and 10 minutes | in 1 day | ACIS-S | n/a | None | n/a | 14h 42m 23.9s | -17° 15' 11.2" | Lib |
| IC 443 | SuperNova Remnant | 2 hours and 55 minutes | in 1 day | ACIS-S | n/a | None | n/a | 06h 17m 05.0s | +22° 21' 27.0" | Gem |
| NGC5728 | Seyfert 2 Galaxy | 4 hours and 10 minutes | in 2 days | ACIS-S | n/a | None | n/a | 14h 42m 23.9s | -17° 15' 11.2" | Lib |
| IC 443 | SuperNova Remnant | 2 hours and 55 minutes | in 2 days | ACIS-S | n/a | None | n/a | 06h 17m 05.0s | +22° 21' 27.0" | Gem |
| NGC5728 | Seyfert 2 Galaxy | 4 hours and 26 minutes | in 2 days | ACIS-S | n/a | None | n/a | 14h 42m 23.9s | -17° 15' 11.2" | Lib |
| CIZA J0635.0+2231 | Cluster of Galaxies | 2 hours and 46 minutes | in 2 days | ACIS-I | n/a | None | n/a | 06h 35m 03.9s | +22° 31' 34.0" | Gem |
| NGC4536 | HII Galaxy | 9 hours and 26 minutes | in 2 days | ACIS-S | n/a | None | n/a | 12h 34m 27.1s | +02° 11' 16.4" | Vir |
| MKN421 | BL Lac - type object | 15 hours | in 3 days | 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 (41853) | 50 minutes | in 3 days | n/a | n/a | n/a | n/a | 06h 44m 14.9s | +27° 03' 23.4" | n/a | |
| CAL-ER (41852) | 50 minutes | in 3 days | n/a | n/a | n/a | n/a | 14h 35m 36.0s | -12° 54' 00.0" | n/a | |
| CAL-ER (41851) | 33 minutes and 20 seconds | in 4 days | n/a | n/a | n/a | n/a | 07h 22m 24.0s | -07° 12' 00.0" | n/a | |
| CAL-ER (41850) | 50 minutes | in 4 days | n/a | n/a | n/a | n/a | 06h 32m 23.6s | +18° 30' 05.0" | n/a | |
| CAL-ER (41849) | 50 minutes | in 4 days | n/a | n/a | n/a | n/a | 15h 07m 58.8s | -60° 06' 49.3" | n/a |