Exposure
- ID
- GRAVI.2025-04-26T04:38:55.452_1
- Header ID
- GRAVI.2025-04-26T04:38:55.452
- Date updated
- 2025-04-26 04:55:41 UTC+0000
- Release date
- 2026-04-26 04:55:41 UTC+0000
- UTC Start
- 2025-04-26 04:38:55.452
- UTC End
- 2025-04-26 04:45:35.452
- MJD Start
- 60791.19369736
- MJD End
- 60791.19832698963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008597500000000001
- Ambient temperature (°C)
- 15.13
- Seeing (arcsec)
- 0.28500000000000003
Observation
- ID
- 66997
- Category
- science
- Program ID
- 115.28G0.003
- Program Title
- VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
- Program Type
- Normal
- PI / COI
- LU / KRAUS / GARDNER
Target
- ID
- 49811
- Name
- TYC_6768-1364-1
- RA
- 234.368087
- DEC
- -25.50166
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 86.0940 | 86.7890 | 108.0000 | 108.6000 |
| A0-J2 | 122.2370 | 123.3300 | 83.6000 | 84.4000 |
| A0-K0 | 122.4090 | 123.2680 | 60.7370 | 61.7070 |
| G1-J2 | 56.5130 | 56.7730 | 44.5000 | 45.5000 |
| G1-K0 | 89.9910 | 90.0610 | 16.0760 | 16.9760 |
| J2-K0 | 48.4310 | 48.4670 | 342.3570 | 342.9710 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.28G0.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60791.19369736 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | TYC 6768-1364-1 |
| HIERARCH ESO INS SOBJ NAME | TYC_6768-1364-1 |
| RA | 234.368087 |
| DEC | -25.50166 |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 86.094 |
| HIERARCH ESO ISS PBL12 END | 86.789 |
| HIERARCH ESO ISS PBLA12 START | 108.0 |
| HIERARCH ESO ISS PBLA12 END | 108.6 |
| HIERARCH ESO ISS PBL13 START | 122.237 |
| HIERARCH ESO ISS PBL13 END | 123.33 |
| HIERARCH ESO ISS PBLA13 START | 83.6 |
| HIERARCH ESO ISS PBLA13 END | 84.4 |
| HIERARCH ESO ISS PBL14 START | 122.409 |
| HIERARCH ESO ISS PBL14 END | 123.268 |
| HIERARCH ESO ISS PBLA14 START | 60.737 |
| HIERARCH ESO ISS PBLA14 END | 61.707 |
| HIERARCH ESO ISS PBL23 START | 56.513 |
| HIERARCH ESO ISS PBL23 END | 56.773 |
| HIERARCH ESO ISS PBLA23 START | 44.5 |
| HIERARCH ESO ISS PBLA23 END | 45.5 |
| HIERARCH ESO ISS PBL24 START | 89.991 |
| HIERARCH ESO ISS PBL24 END | 90.061 |
| HIERARCH ESO ISS PBLA24 START | 16.076 |
| HIERARCH ESO ISS PBLA24 END | 16.976 |
| HIERARCH ESO ISS PBL34 START | 48.431 |
| HIERARCH ESO ISS PBL34 END | 48.467 |
| HIERARCH ESO ISS PBLA34 START | 342.357 |
| HIERARCH ESO ISS PBLA34 END | 342.971 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007825 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00937 |
| HIERARCH ESO ISS AMBI TEMP | 15.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.23 |
| HIERARCH ESO ISS AMBI FWHM END | 0.34 |