Exposure
- ID
- GRAVI.2024-03-16T03:41:01.084_1
- Header ID
- GRAVI.2024-03-16T03:41:01.084
- Date updated
- 2024-03-16 03:55:37 UTC+0000
- Release date
- 2025-03-16 03:55:36 UTC+0000
- UTC Start
- 2024-03-16 03:41:01.084
- UTC End
- 2024-03-16 03:47:01.084
- MJD Start
- 60385.15348477
- MJD End
- 60385.1576514367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005131
- Ambient temperature (°C)
- 17.85
- Seeing (arcsec)
- 0.905
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 | 90.4550 | 90.4140 | 135.3000 | 136.6000 |
| A0-J2 | 124.7770 | 124.2700 | 115.9000 | 117.3000 |
| A0-K0 | 115.2200 | 114.2970 | 95.5960 | 96.8970 |
| G1-J2 | 49.5640 | 49.0650 | 78.7000 | 79.8000 |
| G1-K0 | 73.6120 | 73.0050 | 43.8970 | 44.6610 |
| J2-K0 | 43.3630 | 43.3400 | 3.2310 | 4.0040 |
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 | 60385.15348477 |
| 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 | 90.455 |
| HIERARCH ESO ISS PBL12 END | 90.414 |
| HIERARCH ESO ISS PBLA12 START | 135.3 |
| HIERARCH ESO ISS PBLA12 END | 136.6 |
| HIERARCH ESO ISS PBL13 START | 124.777 |
| HIERARCH ESO ISS PBL13 END | 124.27 |
| HIERARCH ESO ISS PBLA13 START | 115.9 |
| HIERARCH ESO ISS PBLA13 END | 117.3 |
| HIERARCH ESO ISS PBL14 START | 115.22 |
| HIERARCH ESO ISS PBL14 END | 114.297 |
| HIERARCH ESO ISS PBLA14 START | 95.596 |
| HIERARCH ESO ISS PBLA14 END | 96.897 |
| HIERARCH ESO ISS PBL23 START | 49.564 |
| HIERARCH ESO ISS PBL23 END | 49.065 |
| HIERARCH ESO ISS PBLA23 START | 78.7 |
| HIERARCH ESO ISS PBLA23 END | 79.8 |
| HIERARCH ESO ISS PBL24 START | 73.612 |
| HIERARCH ESO ISS PBL24 END | 73.005 |
| HIERARCH ESO ISS PBLA24 START | 43.897 |
| HIERARCH ESO ISS PBLA24 END | 44.661 |
| HIERARCH ESO ISS PBL34 START | 43.363 |
| HIERARCH ESO ISS PBL34 END | 43.34 |
| HIERARCH ESO ISS PBLA34 START | 3.231 |
| HIERARCH ESO ISS PBLA34 END | 4.004 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004654 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005608 |
| HIERARCH ESO ISS AMBI TEMP | 17.85 |
| HIERARCH ESO ISS AMBI FWHM START | 1.02 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |