Exposure
- ID
- GRAVI.2025-11-30T04:53:53.633_1
- Header ID
- GRAVI.2025-11-30T04:53:53.633
- Date updated
- 2025-11-30 05:11:50 UTC+0000
- Release date
- 2026-11-30 05:11:50 UTC+0000
- UTC Start
- 2025-11-30 04:53:53.633
- UTC End
- 2025-11-30 05:00:33.633
- MJD Start
- 61009.20409297
- MJD End
- 61009.20872259963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0053305
- Ambient temperature (°C)
- 12.87
- Seeing (arcsec)
- 0.93
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 | 31.3510 | 31.8580 | 115.3000 | 116.3000 |
| A0-J2 | 116.8630 | 117.4540 | 44.6000 | 46.3000 |
| A0-J6 | 154.3290 | 154.3450 | 358.5880 | 359.6850 |
| B5-J2 | 110.5380 | 110.6700 | 29.0000 | 30.6000 |
| B5-J6 | 170.7170 | 171.0130 | 349.1450 | 350.1010 |
| J2-J6 | 111.3730 | 112.8310 | 309.6180 | 310.4880 |
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 | 61009.20409297 |
| 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 | 31.351 |
| HIERARCH ESO ISS PBL12 END | 31.858 |
| HIERARCH ESO ISS PBLA12 START | 115.3 |
| HIERARCH ESO ISS PBLA12 END | 116.3 |
| HIERARCH ESO ISS PBL13 START | 116.863 |
| HIERARCH ESO ISS PBL13 END | 117.454 |
| HIERARCH ESO ISS PBLA13 START | 44.6 |
| HIERARCH ESO ISS PBLA13 END | 46.3 |
| HIERARCH ESO ISS PBL14 START | 154.329 |
| HIERARCH ESO ISS PBL14 END | 154.345 |
| HIERARCH ESO ISS PBLA14 START | 358.588 |
| HIERARCH ESO ISS PBLA14 END | 359.685 |
| HIERARCH ESO ISS PBL23 START | 110.538 |
| HIERARCH ESO ISS PBL23 END | 110.67 |
| HIERARCH ESO ISS PBLA23 START | 29.0 |
| HIERARCH ESO ISS PBLA23 END | 30.6 |
| HIERARCH ESO ISS PBL24 START | 170.717 |
| HIERARCH ESO ISS PBL24 END | 171.013 |
| HIERARCH ESO ISS PBLA24 START | 349.145 |
| HIERARCH ESO ISS PBLA24 END | 350.101 |
| HIERARCH ESO ISS PBL34 START | 111.373 |
| HIERARCH ESO ISS PBL34 END | 112.831 |
| HIERARCH ESO ISS PBLA34 START | 309.618 |
| HIERARCH ESO ISS PBLA34 END | 310.488 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005618 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005043 |
| HIERARCH ESO ISS AMBI TEMP | 12.87 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 1.05 |