The target - V444 Cyg - is being observed by ACIS-S and the High Energy Transmission Grating (HETG) for 4 hours and 10 minutes. The observation started 4 hours ago and ends in 35 minutes, and is part of the proposal Using the HETGS to study the dynamics of colliding winds by resolving emission lines in V444 Cygni. The target - also called HD 193576 - is located in the constellation Cygnus and is a Wolf-Rayet. More information on the target can be found at SIMBAD
. See related observations: 31527, 31524, 32034, 31526.
This is a joint observation with X-ray Multi Mirror Mission (XMM-Newton) (for 2 days and 3 hours). However, it does not necessarily mean that the observations will be done at the same time!
| Target: | V444 Cyg |
| SIMBAD Type: | Wolf-Rayet |
| Observation Details: | 32035 |
| Sequence Summary: | 201854 |
| Proposal Id: | 27200024 |
| Proposal: | Cycle 27, General Observer, STARS AND WD |
| Instrument: | ACIS-S, High Energy Transmission Grating (HETG) |
| Chips: | ACIS-456789 |
| Data Mode: | FAINT |
| Date: | 14:59 Wednesday, 3 December 2025 (UTC) |
| Exposure (approved): | 4 hours and 10 minutes |
| Right Ascension: | 20h 19m 32.4s |
| Declination: | +38° 43' 54.0" |
| Roll: | 305° |
| Constellation: | Cygnus |
| Joint with: | X-ray Multi Mirror Mission (XMM-Newton) for 2 days and 3 hours |
This page requires JavaScript and it appears that it is not available.
It appears that the JavaScript code needed to display the World Wide Telescope has not loaded. If you are using the https version of the site, please try visiting the http version of this page to see if that works.
