Exposure
- ID
- GRAVI.2025-11-30T05:08:26.670_1
- Header ID
- GRAVI.2025-11-30T05:08:26.670
- Date updated
- 2025-11-30 05:25:47 UTC+0000
- Release date
- 2026-11-30 05:25:46 UTC+0000
- UTC Start
- 2025-11-30 05:08:26.670
- UTC End
- 2025-11-30 05:15:06.670
- MJD Start
- 61009.21419757
- MJD End
- 61009.21882719963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007764
- Ambient temperature (°C)
- 12.7
- Seeing (arcsec)
- 0.685
Observation
- ID
- 71910
- Category
- science
- Program ID
- 116.28SD.001
- Program Title
- CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
- Program Type
- Normal
- PI / COI
- LU / KRAUS / BECK
Target
- ID
- 53386
- Name
- HD_69957
- RA
- 124.04153
- DEC
- -59.71576
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 32.4070 | 32.8920 | 117.5000 | 118.5000 |
| A0-J2 | 118.1120 | 118.7080 | 48.3000 | 50.0000 |
| A0-J6 | 154.3390 | 154.3130 | 0.9020 | 1.9990 |
| B5-J2 | 110.8170 | 110.9480 | 32.4000 | 34.0000 |
| B5-J6 | 171.3070 | 171.5430 | 351.1640 | 352.1230 |
| J2-J6 | 114.4040 | 115.7910 | 311.4580 | 312.3350 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28SD.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 61009.21419757 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 69957 |
| HIERARCH ESO INS SOBJ NAME | HD_69957 |
| RA | 124.04153 |
| DEC | -59.71576 |
| HIERARCH ESO INS SPEC RES | HIGH |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 32.407 |
| HIERARCH ESO ISS PBL12 END | 32.892 |
| HIERARCH ESO ISS PBLA12 START | 117.5 |
| HIERARCH ESO ISS PBLA12 END | 118.5 |
| HIERARCH ESO ISS PBL13 START | 118.112 |
| HIERARCH ESO ISS PBL13 END | 118.708 |
| HIERARCH ESO ISS PBLA13 START | 48.3 |
| HIERARCH ESO ISS PBLA13 END | 50.0 |
| HIERARCH ESO ISS PBL14 START | 154.339 |
| HIERARCH ESO ISS PBL14 END | 154.313 |
| HIERARCH ESO ISS PBLA14 START | 0.902 |
| HIERARCH ESO ISS PBLA14 END | 1.999 |
| HIERARCH ESO ISS PBL23 START | 110.817 |
| HIERARCH ESO ISS PBL23 END | 110.948 |
| HIERARCH ESO ISS PBLA23 START | 32.4 |
| HIERARCH ESO ISS PBLA23 END | 34.0 |
| HIERARCH ESO ISS PBL24 START | 171.307 |
| HIERARCH ESO ISS PBL24 END | 171.543 |
| HIERARCH ESO ISS PBLA24 START | 351.164 |
| HIERARCH ESO ISS PBLA24 END | 352.123 |
| HIERARCH ESO ISS PBL34 START | 114.404 |
| HIERARCH ESO ISS PBL34 END | 115.791 |
| HIERARCH ESO ISS PBLA34 START | 311.458 |
| HIERARCH ESO ISS PBLA34 END | 312.335 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007636 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007892 |
| HIERARCH ESO ISS AMBI TEMP | 12.7 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |