Exposure
- ID
- GRAVI.2025-05-27T08:23:50.470_2
- Header ID
- GRAVI.2025-05-27T08:23:50.470
- Date updated
- 2025-05-27 08:36:15 UTC+0000
- Release date
- 2025-05-27 08:23:50 UTC+0000
- UTC Start
- 2025-05-27 08:23:50.470
- UTC End
- 2025-05-27 08:27:50.470
- MJD Start
- 60822.3498897
- MJD End
- 60822.35266747778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0033525
- Ambient temperature (°C)
- 11.3
- Seeing (arcsec)
- 0.645
Observation
- ID
- 67610
- Category
- calibrator
- Program ID
- 113.26EQ.003
- Program Title
- USING GRAVITY TO STUDY STAR-DISK INTERACTION
- Program Type
- Monitoring
- PI / COI
- GINSKI / BOURDAROT / PINILLA / BENISTY / MANARA / RIBAS / LACOUR / NOWAK / VIGAN / WANG / BALMER / MURPHY
Target
- ID
- 44377
- Name
- HD_177663
- RA
- 286.79324583333334
- DEC
- -36.60579194444445
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 90.2620 | 90.1700 | 123.5000 | 124.2000 |
| A0-J2 | 127.2070 | 126.8480 | 100.9000 | 101.6000 |
| A0-K0 | 124.0020 | 123.5080 | 79.0140 | 79.6260 |
| G1-J2 | 55.9470 | 55.7200 | 62.6000 | 63.1000 |
| G1-K0 | 86.9620 | 86.7520 | 32.3180 | 32.7560 |
| J2-K0 | 47.8370 | 47.8450 | 356.1980 | 356.6900 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26EQ.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60822.3498897 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 177663 |
| HIERARCH ESO INS SOBJ NAME | HD_177663 |
| RA | 286.790486 |
| DEC | -36.60584 |
| 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 | 263.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 90.262 |
| HIERARCH ESO ISS PBL12 END | 90.17 |
| HIERARCH ESO ISS PBLA12 START | 123.5 |
| HIERARCH ESO ISS PBLA12 END | 124.2 |
| HIERARCH ESO ISS PBL13 START | 127.207 |
| HIERARCH ESO ISS PBL13 END | 126.848 |
| HIERARCH ESO ISS PBLA13 START | 100.9 |
| HIERARCH ESO ISS PBLA13 END | 101.6 |
| HIERARCH ESO ISS PBL14 START | 124.002 |
| HIERARCH ESO ISS PBL14 END | 123.508 |
| HIERARCH ESO ISS PBLA14 START | 79.014 |
| HIERARCH ESO ISS PBLA14 END | 79.626 |
| HIERARCH ESO ISS PBL23 START | 55.947 |
| HIERARCH ESO ISS PBL23 END | 55.72 |
| HIERARCH ESO ISS PBLA23 START | 62.6 |
| HIERARCH ESO ISS PBLA23 END | 63.1 |
| HIERARCH ESO ISS PBL24 START | 86.962 |
| HIERARCH ESO ISS PBL24 END | 86.752 |
| HIERARCH ESO ISS PBLA24 START | 32.318 |
| HIERARCH ESO ISS PBLA24 END | 32.756 |
| HIERARCH ESO ISS PBL34 START | 47.837 |
| HIERARCH ESO ISS PBL34 END | 47.845 |
| HIERARCH ESO ISS PBLA34 START | 356.198 |
| HIERARCH ESO ISS PBLA34 END | 356.69 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003614 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003091 |
| HIERARCH ESO ISS AMBI TEMP | 11.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | HD_177663 |
| HIERARCH ESO FT ROBJ ALPHA | 190710.379 |
| HIERARCH ESO FT ROBJ DELTA | -363620.851 |