Exposure
- ID
- GRAVI.2024-01-18T06:39:52.243_1
- Header ID
- GRAVI.2024-01-18T06:39:52.243
- Date updated
- 2024-01-18 06:55:36 UTC+0000
- Release date
- 2025-01-18 06:55:36 UTC+0000
- UTC Start
- 2024-01-18 06:39:52.243
- UTC End
- 2024-01-18 06:45:52.243
- MJD Start
- 60327.277688
- MJD End
- 60327.2818546667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0051755
- Ambient temperature (°C)
- 17.77
- Seeing (arcsec)
- 1.245
Observation
- ID
- 58247
- Category
- science
- Program ID
- 111.24JN.001
- Program Title
- ELUCIDATING THE EVOLUTIONARY CONNECTIONS BETWEEN NITROGEN- AND CARBON-RICH WOLF-RAYET STARS
- Program Type
- Normal
- PI / COI
- SANA/ SHENAR/ BODENSTEINER/ BORDIER/ DSILVA/ FROST/ LANGER/ LE BOUQUIN/ MAHY/ MÉRAND/ PATRICK/ REGGIANI/ TRAMPER/ VILLASEÑOR
Target
- ID
- 43126
- Name
- WR_31a
- RA
- 163.493674
- DEC
- -60.44564
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 83.3300 | 83.7940 | 97.5000 | 98.8000 |
| A0-J2 | 127.2940 | 127.5780 | 77.4000 | 78.8000 |
| A0-K0 | 127.7660 | 127.6700 | 60.0220 | 61.3720 |
| G1-J2 | 56.7580 | 56.6250 | 47.1000 | 48.4000 |
| G1-K0 | 79.7490 | 79.5410 | 20.5960 | 21.5810 |
| J2-K0 | 38.4990 | 38.6370 | 339.4040 | 340.2200 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24JN.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60327.277688 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | WR_31a |
| HIERARCH ESO INS SOBJ NAME | WR_31a |
| RA | 163.493674 |
| DEC | -60.44564 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 376.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 83.33 |
| HIERARCH ESO ISS PBL12 END | 83.794 |
| HIERARCH ESO ISS PBLA12 START | 97.5 |
| HIERARCH ESO ISS PBLA12 END | 98.8 |
| HIERARCH ESO ISS PBL13 START | 127.294 |
| HIERARCH ESO ISS PBL13 END | 127.578 |
| HIERARCH ESO ISS PBLA13 START | 77.4 |
| HIERARCH ESO ISS PBLA13 END | 78.8 |
| HIERARCH ESO ISS PBL14 START | 127.766 |
| HIERARCH ESO ISS PBL14 END | 127.67 |
| HIERARCH ESO ISS PBLA14 START | 60.022 |
| HIERARCH ESO ISS PBLA14 END | 61.372 |
| HIERARCH ESO ISS PBL23 START | 56.758 |
| HIERARCH ESO ISS PBL23 END | 56.625 |
| HIERARCH ESO ISS PBLA23 START | 47.1 |
| HIERARCH ESO ISS PBLA23 END | 48.4 |
| HIERARCH ESO ISS PBL24 START | 79.749 |
| HIERARCH ESO ISS PBL24 END | 79.541 |
| HIERARCH ESO ISS PBLA24 START | 20.596 |
| HIERARCH ESO ISS PBLA24 END | 21.581 |
| HIERARCH ESO ISS PBL34 START | 38.499 |
| HIERARCH ESO ISS PBL34 END | 38.637 |
| HIERARCH ESO ISS PBLA34 START | 339.404 |
| HIERARCH ESO ISS PBLA34 END | 340.22 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005305 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005046 |
| HIERARCH ESO ISS AMBI TEMP | 17.77 |
| HIERARCH ESO ISS AMBI FWHM START | 1.11 |
| HIERARCH ESO ISS AMBI FWHM END | 1.38 |