Exposure
- ID
- GRAVI.2024-03-17T01:47:08.804_1
- Header ID
- GRAVI.2024-03-17T01:47:08.804
- Date updated
- 2024-03-17 02:00:33 UTC+0000
- Release date
- 2025-03-17 02:00:33 UTC+0000
- UTC Start
- 2024-03-17 01:47:08.804
- UTC End
- 2024-03-17 01:53:08.804
- MJD Start
- 60386.07440745
- MJD End
- 60386.0785741167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0056195
- Ambient temperature (°C)
- 16.91
- Seeing (arcsec)
- 1.15
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 | 88.6620 | 88.9240 | 113.9000 | 115.1000 |
| A0-J2 | 129.2230 | 129.2350 | 93.2000 | 94.4000 |
| A0-K0 | 126.2450 | 125.8970 | 73.8800 | 75.0850 |
| G1-J2 | 55.8820 | 55.6450 | 59.1000 | 60.2000 |
| G1-K0 | 81.5530 | 81.2290 | 29.5470 | 30.4010 |
| J2-K0 | 42.9580 | 43.0230 | 349.6240 | 350.3830 |
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 | 60386.07440745 |
| 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 | 88.662 |
| HIERARCH ESO ISS PBL12 END | 88.924 |
| HIERARCH ESO ISS PBLA12 START | 113.9 |
| HIERARCH ESO ISS PBLA12 END | 115.1 |
| HIERARCH ESO ISS PBL13 START | 129.223 |
| HIERARCH ESO ISS PBL13 END | 129.235 |
| HIERARCH ESO ISS PBLA13 START | 93.2 |
| HIERARCH ESO ISS PBLA13 END | 94.4 |
| HIERARCH ESO ISS PBL14 START | 126.245 |
| HIERARCH ESO ISS PBL14 END | 125.897 |
| HIERARCH ESO ISS PBLA14 START | 73.88 |
| HIERARCH ESO ISS PBLA14 END | 75.085 |
| HIERARCH ESO ISS PBL23 START | 55.882 |
| HIERARCH ESO ISS PBL23 END | 55.645 |
| HIERARCH ESO ISS PBLA23 START | 59.1 |
| HIERARCH ESO ISS PBLA23 END | 60.2 |
| HIERARCH ESO ISS PBL24 START | 81.553 |
| HIERARCH ESO ISS PBL24 END | 81.229 |
| HIERARCH ESO ISS PBLA24 START | 29.547 |
| HIERARCH ESO ISS PBLA24 END | 30.401 |
| HIERARCH ESO ISS PBL34 START | 42.958 |
| HIERARCH ESO ISS PBL34 END | 43.023 |
| HIERARCH ESO ISS PBLA34 START | 349.624 |
| HIERARCH ESO ISS PBLA34 END | 350.383 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005205 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006034 |
| HIERARCH ESO ISS AMBI TEMP | 16.91 |
| HIERARCH ESO ISS AMBI FWHM START | 1.34 |
| HIERARCH ESO ISS AMBI FWHM END | 0.96 |