Exposure
- ID
- GRAVI.2023-08-01T01:49:20.510_1
- Header ID
- GRAVI.2023-08-01T01:49:20.510
- Date updated
- 2023-08-01 02:00:28 UTC+0000
- Release date
- 2024-08-01 02:00:28 UTC+0000
- UTC Start
- 2023-08-01 01:49:20.510
- UTC End
- 2023-08-01 01:53:38.510
- MJD Start
- 60157.07593183
- MJD End
- 60157.07891794111
- Exposure time (s)
- 258.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0025069999999999997
- Ambient temperature (°C)
- 18.18
- Seeing (arcsec)
- 1.01
Observation
- ID
- 56492
- 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
- 41867
- Name
- NGC6618_B189SW
- RA
- 275.126938
- DEC
- -16.17927
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.4790 | 55.5620 | 22.4000 | 22.9000 |
| U1-U3 | 100.3330 | 100.5280 | 28.8000 | 29.4000 |
| U1-U4 | 127.5090 | 127.9350 | 57.4910 | 57.9400 |
| U2-U3 | 45.6330 | 45.7450 | 36.7000 | 37.2000 |
| U2-U4 | 88.0960 | 88.3800 | 78.7210 | 79.0860 |
| U3-U4 | 62.2070 | 62.3050 | 108.1280 | 108.4280 |
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 | 60157.07593183 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | NGC6618_B189SW |
| HIERARCH ESO INS SOBJ NAME | NGC6618_B189SW |
| RA | 275.126938 |
| DEC | -16.17927 |
| 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 | 55.479 |
| HIERARCH ESO ISS PBL12 END | 55.562 |
| HIERARCH ESO ISS PBLA12 START | 22.4 |
| HIERARCH ESO ISS PBLA12 END | 22.9 |
| HIERARCH ESO ISS PBL13 START | 100.333 |
| HIERARCH ESO ISS PBL13 END | 100.528 |
| HIERARCH ESO ISS PBLA13 START | 28.8 |
| HIERARCH ESO ISS PBLA13 END | 29.4 |
| HIERARCH ESO ISS PBL14 START | 127.509 |
| HIERARCH ESO ISS PBL14 END | 127.935 |
| HIERARCH ESO ISS PBLA14 START | 57.491 |
| HIERARCH ESO ISS PBLA14 END | 57.94 |
| HIERARCH ESO ISS PBL23 START | 45.633 |
| HIERARCH ESO ISS PBL23 END | 45.745 |
| HIERARCH ESO ISS PBLA23 START | 36.7 |
| HIERARCH ESO ISS PBLA23 END | 37.2 |
| HIERARCH ESO ISS PBL24 START | 88.096 |
| HIERARCH ESO ISS PBL24 END | 88.38 |
| HIERARCH ESO ISS PBLA24 START | 78.721 |
| HIERARCH ESO ISS PBLA24 END | 79.086 |
| HIERARCH ESO ISS PBL34 START | 62.207 |
| HIERARCH ESO ISS PBL34 END | 62.305 |
| HIERARCH ESO ISS PBLA34 START | 108.128 |
| HIERARCH ESO ISS PBLA34 END | 108.428 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002499 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002515 |
| HIERARCH ESO ISS AMBI TEMP | 18.18 |
| HIERARCH ESO ISS AMBI FWHM START | 1.02 |
| HIERARCH ESO ISS AMBI FWHM END | 1.0 |