Exposure
- ID
- GRAVI.2024-03-16T03:55:22.121_1
- Header ID
- GRAVI.2024-03-16T03:55:22.121
- Date updated
- 2024-03-16 04:10:32 UTC+0000
- Release date
- 2025-03-16 04:10:32 UTC+0000
- UTC Start
- 2024-03-16 03:55:22.121
- UTC End
- 2024-03-16 04:01:22.121
- MJD Start
- 60385.16345047
- MJD End
- 60385.1676171367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0049805
- Ambient temperature (°C)
- 17.5
- Seeing (arcsec)
- 0.975
Observation
- ID
- 58754
- Category
- science
- Program ID
- 112.2618.002
- Program Title
- IS THE STELLAR QUADRUPLE HD 74438 A CANDIDATE PROGENITOR OF SN IA?
- Program Type
- Normal
- PI / COI
- MERLE/ JORISSEN/ LIBERT/ MÉRAND/ PALADINI/ VAN ECK
Target
- ID
- 43490
- Name
- HD_74438
- RA
- 130.440391
- DEC
- -53.0625
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 90.3450 | 90.2810 | 138.2000 | 139.5000 |
| A0-J2 | 123.5810 | 123.0290 | 119.1000 | 120.5000 |
| A0-K0 | 113.0540 | 112.0660 | 98.6140 | 99.9520 |
| G1-J2 | 48.3940 | 47.8610 | 81.3000 | 82.5000 |
| G1-K0 | 72.1880 | 71.5370 | 45.6510 | 46.4070 |
| J2-K0 | 43.3030 | 43.2680 | 5.0120 | 5.7880 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.2618.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60385.16345047 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 74438 |
| HIERARCH ESO INS SOBJ NAME | HD_74438 |
| RA | 130.440391 |
| DEC | -53.0625 |
| 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 | 90.345 |
| HIERARCH ESO ISS PBL12 END | 90.281 |
| HIERARCH ESO ISS PBLA12 START | 138.2 |
| HIERARCH ESO ISS PBLA12 END | 139.5 |
| HIERARCH ESO ISS PBL13 START | 123.581 |
| HIERARCH ESO ISS PBL13 END | 123.029 |
| HIERARCH ESO ISS PBLA13 START | 119.1 |
| HIERARCH ESO ISS PBLA13 END | 120.5 |
| HIERARCH ESO ISS PBL14 START | 113.054 |
| HIERARCH ESO ISS PBL14 END | 112.066 |
| HIERARCH ESO ISS PBLA14 START | 98.614 |
| HIERARCH ESO ISS PBLA14 END | 99.952 |
| HIERARCH ESO ISS PBL23 START | 48.394 |
| HIERARCH ESO ISS PBL23 END | 47.861 |
| HIERARCH ESO ISS PBLA23 START | 81.3 |
| HIERARCH ESO ISS PBLA23 END | 82.5 |
| HIERARCH ESO ISS PBL24 START | 72.188 |
| HIERARCH ESO ISS PBL24 END | 71.537 |
| HIERARCH ESO ISS PBLA24 START | 45.651 |
| HIERARCH ESO ISS PBLA24 END | 46.407 |
| HIERARCH ESO ISS PBL34 START | 43.303 |
| HIERARCH ESO ISS PBL34 END | 43.268 |
| HIERARCH ESO ISS PBLA34 START | 5.012 |
| HIERARCH ESO ISS PBLA34 END | 5.788 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004877 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005084 |
| HIERARCH ESO ISS AMBI TEMP | 17.5 |
| HIERARCH ESO ISS AMBI FWHM START | 1.0 |
| HIERARCH ESO ISS AMBI FWHM END | 0.95 |