Exposure
- ID
- GRAVI.2025-01-08T03:16:57.641_1
- Header ID
- GRAVI.2025-01-08T03:16:57.641
- Date updated
- 2025-01-08 03:30:49 UTC+0000
- Release date
- 2026-01-08 03:30:48 UTC+0000
- UTC Start
- 2025-01-08 03:16:57.641
- UTC End
- 2025-01-08 03:22:57.641
- MJD Start
- 60683.13677825
- MJD End
- 60683.14094491667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005966
- Ambient temperature (°C)
- 14.57
- Seeing (arcsec)
- 0.5449999999999999
Observation
- ID
- 63108
- Category
- science
- Program ID
- 114.27PY.001
- 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
- 47018
- Name
- HD_74438
- RA
- 130.442079
- DEC
- -53.06241
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 35.7300 | 36.1710 | 125.6000 | 126.3000 |
| A0-J2 | 115.9430 | 116.7150 | 55.0000 | 56.5000 |
| A0-J6 | 161.3700 | 161.3110 | 3.4490 | 4.4090 |
| B5-J2 | 109.3740 | 109.6130 | 37.0000 | 38.5000 |
| B5-J6 | 182.8790 | 183.0190 | 353.9240 | 354.7520 |
| J2-J6 | 127.3040 | 128.5080 | 317.9660 | 318.6310 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 114.27PY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60683.13677825 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 74438 |
| HIERARCH ESO INS SOBJ NAME | HD_74438 |
| RA | 130.442079 |
| DEC | -53.06241 |
| 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 | B5 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | J6 |
| EXPTIME | 379.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 36 |
| HIERARCH ESO ISS PBL12 START | 35.73 |
| HIERARCH ESO ISS PBL12 END | 36.171 |
| HIERARCH ESO ISS PBLA12 START | 125.6 |
| HIERARCH ESO ISS PBLA12 END | 126.3 |
| HIERARCH ESO ISS PBL13 START | 115.943 |
| HIERARCH ESO ISS PBL13 END | 116.715 |
| HIERARCH ESO ISS PBLA13 START | 55.0 |
| HIERARCH ESO ISS PBLA13 END | 56.5 |
| HIERARCH ESO ISS PBL14 START | 161.37 |
| HIERARCH ESO ISS PBL14 END | 161.311 |
| HIERARCH ESO ISS PBLA14 START | 3.449 |
| HIERARCH ESO ISS PBLA14 END | 4.409 |
| HIERARCH ESO ISS PBL23 START | 109.374 |
| HIERARCH ESO ISS PBL23 END | 109.613 |
| HIERARCH ESO ISS PBLA23 START | 37.0 |
| HIERARCH ESO ISS PBLA23 END | 38.5 |
| HIERARCH ESO ISS PBL24 START | 182.879 |
| HIERARCH ESO ISS PBL24 END | 183.019 |
| HIERARCH ESO ISS PBLA24 START | 353.924 |
| HIERARCH ESO ISS PBLA24 END | 354.752 |
| HIERARCH ESO ISS PBL34 START | 127.304 |
| HIERARCH ESO ISS PBL34 END | 128.508 |
| HIERARCH ESO ISS PBLA34 START | 317.966 |
| HIERARCH ESO ISS PBLA34 END | 318.631 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004637 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007295 |
| HIERARCH ESO ISS AMBI TEMP | 14.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |