Exposure
- ID
- GRAVI.2025-01-08T03:23:33.657_1
- Header ID
- GRAVI.2025-01-08T03:23:33.657
- Date updated
- 2025-01-08 03:40:51 UTC+0000
- Release date
- 2026-01-08 03:40:51 UTC+0000
- UTC Start
- 2025-01-08 03:23:33.657
- UTC End
- 2025-01-08 03:29:33.657
- MJD Start
- 60683.14136177
- MJD End
- 60683.1455284367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0064315
- Ambient temperature (°C)
- 14.49
- Seeing (arcsec)
- 0.57
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 | 36.1880 | 36.6180 | 126.3000 | 127.1000 |
| A0-J2 | 116.7460 | 117.5090 | 56.6000 | 58.1000 |
| A0-J6 | 161.3080 | 161.2330 | 4.4470 | 5.4070 |
| B5-J2 | 109.6220 | 109.8570 | 38.5000 | 39.9000 |
| B5-J6 | 183.0240 | 183.1430 | 354.7850 | 355.6140 |
| J2-J6 | 128.5550 | 129.7260 | 318.6570 | 319.3300 |
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 | 60683.14136177 |
| 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 | 36.188 |
| HIERARCH ESO ISS PBL12 END | 36.618 |
| HIERARCH ESO ISS PBLA12 START | 126.3 |
| HIERARCH ESO ISS PBLA12 END | 127.1 |
| HIERARCH ESO ISS PBL13 START | 116.746 |
| HIERARCH ESO ISS PBL13 END | 117.509 |
| HIERARCH ESO ISS PBLA13 START | 56.6 |
| HIERARCH ESO ISS PBLA13 END | 58.1 |
| HIERARCH ESO ISS PBL14 START | 161.308 |
| HIERARCH ESO ISS PBL14 END | 161.233 |
| HIERARCH ESO ISS PBLA14 START | 4.447 |
| HIERARCH ESO ISS PBLA14 END | 5.407 |
| HIERARCH ESO ISS PBL23 START | 109.622 |
| HIERARCH ESO ISS PBL23 END | 109.857 |
| HIERARCH ESO ISS PBLA23 START | 38.5 |
| HIERARCH ESO ISS PBLA23 END | 39.9 |
| HIERARCH ESO ISS PBL24 START | 183.024 |
| HIERARCH ESO ISS PBL24 END | 183.143 |
| HIERARCH ESO ISS PBLA24 START | 354.785 |
| HIERARCH ESO ISS PBLA24 END | 355.614 |
| HIERARCH ESO ISS PBL34 START | 128.555 |
| HIERARCH ESO ISS PBL34 END | 129.726 |
| HIERARCH ESO ISS PBLA34 START | 318.657 |
| HIERARCH ESO ISS PBLA34 END | 319.33 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007295 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005568 |
| HIERARCH ESO ISS AMBI TEMP | 14.49 |
| HIERARCH ESO ISS AMBI FWHM START | 0.48 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |