Exposure
- ID
- GRAVI.2025-07-17T09:16:11.009_1
- Header ID
- GRAVI.2025-07-17T09:16:11.009
- Date updated
- 2025-07-17 09:25:54 UTC+0000
- Release date
- 2025-07-17 09:16:11 UTC+0000
- UTC Start
- 2025-07-17 09:16:11.009
- UTC End
- 2025-07-17 09:20:11.009
- MJD Start
- 60873.38623853
- MJD End
- 60873.38901630778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0051015
- Ambient temperature (°C)
- 13.49
- Seeing (arcsec)
- 0.7749999999999999
Observation
- ID
- 68842
- Category
- calibrator
- Program ID
- 115.282L.002
- Program Title
- CALIBRATING ASTEROSEISMOLOGY SCALING RELATIONS BY VLTI OBSERVATION ON GAIA BINARIES
- Program Type
- Normal
- PI / COI
- LU / KRAUS / GARDNER / BECK
Target
- ID
- 51212
- Name
- HD_12271
- RA
- 29.27422
- DEC
- -71.07838
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 80.9090 | 81.1510 | 85.1000 | 86.1000 |
| A0-J2 | 127.2290 | 127.3540 | 67.9000 | 68.9000 |
| A0-K0 | 127.2400 | 127.1720 | 53.2990 | 54.2740 |
| G1-J2 | 55.4160 | 55.3430 | 42.2000 | 43.1000 |
| G1-K0 | 72.3650 | 72.2660 | 17.2100 | 17.9600 |
| J2-K0 | 32.2310 | 32.3370 | 330.6040 | 331.2610 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.282L.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,SINGLE |
| MJD-OBS | 60873.38623853 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 12271 |
| HIERARCH ESO INS SOBJ NAME | HD_12271 |
| RA | 29.27422 |
| DEC | -71.07838 |
| 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 | 255.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 80.909 |
| HIERARCH ESO ISS PBL12 END | 81.151 |
| HIERARCH ESO ISS PBLA12 START | 85.1 |
| HIERARCH ESO ISS PBLA12 END | 86.1 |
| HIERARCH ESO ISS PBL13 START | 127.229 |
| HIERARCH ESO ISS PBL13 END | 127.354 |
| HIERARCH ESO ISS PBLA13 START | 67.9 |
| HIERARCH ESO ISS PBLA13 END | 68.9 |
| HIERARCH ESO ISS PBL14 START | 127.24 |
| HIERARCH ESO ISS PBL14 END | 127.172 |
| HIERARCH ESO ISS PBLA14 START | 53.299 |
| HIERARCH ESO ISS PBLA14 END | 54.274 |
| HIERARCH ESO ISS PBL23 START | 55.416 |
| HIERARCH ESO ISS PBL23 END | 55.343 |
| HIERARCH ESO ISS PBLA23 START | 42.2 |
| HIERARCH ESO ISS PBLA23 END | 43.1 |
| HIERARCH ESO ISS PBL24 START | 72.365 |
| HIERARCH ESO ISS PBL24 END | 72.266 |
| HIERARCH ESO ISS PBLA24 START | 17.21 |
| HIERARCH ESO ISS PBLA24 END | 17.96 |
| HIERARCH ESO ISS PBL34 START | 32.231 |
| HIERARCH ESO ISS PBL34 END | 32.337 |
| HIERARCH ESO ISS PBLA34 START | 330.604 |
| HIERARCH ESO ISS PBLA34 END | 331.261 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005428 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004775 |
| HIERARCH ESO ISS AMBI TEMP | 13.49 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.82 |