Exposure
- ID
- GRAVI.2023-08-30T03:05:36.958_1
- Header ID
- GRAVI.2023-08-30T03:05:36.958
- Date updated
- 2023-08-30 03:20:23 UTC+0000
- Release date
- 2024-08-30 03:20:23 UTC+0000
- UTC Start
- 2023-08-30 03:05:36.958
- UTC End
- 2023-08-30 03:09:54.958
- MJD Start
- 60186.12889998
- MJD End
- 60186.13188609111
- Exposure time (s)
- 258.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004015
- Ambient temperature (°C)
- 13.36
- Seeing (arcsec)
- 0.615
Observation
- ID
- 56812
- Category
- science
- Program ID
- 109.23HT.003
- Program Title
- CONSTRAINING THE COSMIC DANCE OF MASSIVE STARS IN TRIPLE SYSTEMS
- Program Type
- Normal
- PI / COI
- SANA/ FROST/ TOONEN/ BORDIER/ LE BOUQUIN/ MAHY/ SHENAR
Target
- ID
- 42103
- Name
- NGC6618_B189SW
- RA
- 275.126641
- DEC
- -16.17922
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.3090 | 55.1660 | 36.1000 | 36.3000 |
| U1-U3 | 98.6240 | 98.2490 | 41.5000 | 41.6000 |
| U1-U4 | 113.4090 | 112.2020 | 68.0970 | 68.1840 |
| U2-U3 | 43.8650 | 43.6240 | 48.3000 | 48.3000 |
| U2-U4 | 72.6500 | 71.5940 | 91.8650 | 92.2280 |
| U3-U4 | 50.8430 | 50.2710 | 128.3550 | 129.2080 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.23HT.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60186.12889998 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | NGC6618_B189SW |
| HIERARCH ESO INS SOBJ NAME | NGC6618_B189SW |
| RA | 275.126641 |
| DEC | -16.17922 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 284.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 86 |
| HIERARCH ESO ISS PBL12 START | 55.309 |
| HIERARCH ESO ISS PBL12 END | 55.166 |
| HIERARCH ESO ISS PBLA12 START | 36.1 |
| HIERARCH ESO ISS PBLA12 END | 36.3 |
| HIERARCH ESO ISS PBL13 START | 98.624 |
| HIERARCH ESO ISS PBL13 END | 98.249 |
| HIERARCH ESO ISS PBLA13 START | 41.5 |
| HIERARCH ESO ISS PBLA13 END | 41.6 |
| HIERARCH ESO ISS PBL14 START | 113.409 |
| HIERARCH ESO ISS PBL14 END | 112.202 |
| HIERARCH ESO ISS PBLA14 START | 68.097 |
| HIERARCH ESO ISS PBLA14 END | 68.184 |
| HIERARCH ESO ISS PBL23 START | 43.865 |
| HIERARCH ESO ISS PBL23 END | 43.624 |
| HIERARCH ESO ISS PBLA23 START | 48.3 |
| HIERARCH ESO ISS PBLA23 END | 48.3 |
| HIERARCH ESO ISS PBL24 START | 72.65 |
| HIERARCH ESO ISS PBL24 END | 71.594 |
| HIERARCH ESO ISS PBLA24 START | 91.865 |
| HIERARCH ESO ISS PBLA24 END | 92.228 |
| HIERARCH ESO ISS PBL34 START | 50.843 |
| HIERARCH ESO ISS PBL34 END | 50.271 |
| HIERARCH ESO ISS PBLA34 START | 128.355 |
| HIERARCH ESO ISS PBLA34 END | 129.208 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003897 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004133 |
| HIERARCH ESO ISS AMBI TEMP | 13.36 |
| HIERARCH ESO ISS AMBI FWHM START | 0.62 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |