Exposure
- ID
- GRAVI.2025-07-17T04:59:15.810_2
- Header ID
- GRAVI.2025-07-17T04:59:15.810
- Date updated
- 2025-07-17 05:11:13 UTC+0000
- Release date
- 2025-07-17 04:59:15 UTC+0000
- UTC Start
- 2025-07-17 04:59:15.810
- UTC End
- 2025-07-17 05:03:15.810
- MJD Start
- 60873.20782188
- MJD End
- 60873.21059965778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008009
- Ambient temperature (°C)
- 13.77
- Seeing (arcsec)
- 0.6
Observation
- ID
- 68836
- 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
- 44809
- Name
- HD_154869
- RA
- 257.2658374999999
- DEC
- -27.894729444444444
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 | 80.1440 | 79.7070 | 142.0000 | 142.9000 |
| A0-J2 | 104.9930 | 103.8450 | 116.3000 | 117.1000 |
| A0-K0 | 101.5450 | 100.2160 | 89.1400 | 89.6440 |
| G1-J2 | 47.7670 | 47.2340 | 69.6000 | 69.9000 |
| G1-K0 | 83.0830 | 82.6970 | 38.8980 | 39.0820 |
| J2-K0 | 48.5830 | 48.5760 | 8.7550 | 9.2170 |
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 | 60873.20782188 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 154869 |
| HIERARCH ESO INS SOBJ NAME | HD_154869 |
| RA | 257.263153 |
| DEC | -27.89483 |
| 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 | 80.144 |
| HIERARCH ESO ISS PBL12 END | 79.707 |
| HIERARCH ESO ISS PBLA12 START | 142.0 |
| HIERARCH ESO ISS PBLA12 END | 142.9 |
| HIERARCH ESO ISS PBL13 START | 104.993 |
| HIERARCH ESO ISS PBL13 END | 103.845 |
| HIERARCH ESO ISS PBLA13 START | 116.3 |
| HIERARCH ESO ISS PBLA13 END | 117.1 |
| HIERARCH ESO ISS PBL14 START | 101.545 |
| HIERARCH ESO ISS PBL14 END | 100.216 |
| HIERARCH ESO ISS PBLA14 START | 89.14 |
| HIERARCH ESO ISS PBLA14 END | 89.644 |
| HIERARCH ESO ISS PBL23 START | 47.767 |
| HIERARCH ESO ISS PBL23 END | 47.234 |
| HIERARCH ESO ISS PBLA23 START | 69.6 |
| HIERARCH ESO ISS PBLA23 END | 69.9 |
| HIERARCH ESO ISS PBL24 START | 83.083 |
| HIERARCH ESO ISS PBL24 END | 82.697 |
| HIERARCH ESO ISS PBLA24 START | 38.898 |
| HIERARCH ESO ISS PBLA24 END | 39.082 |
| HIERARCH ESO ISS PBL34 START | 48.583 |
| HIERARCH ESO ISS PBL34 END | 48.576 |
| HIERARCH ESO ISS PBLA34 START | 8.755 |
| HIERARCH ESO ISS PBLA34 END | 9.217 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008009 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008009 |
| HIERARCH ESO ISS AMBI TEMP | 13.77 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | HD_154869 |
| HIERARCH ESO FT ROBJ ALPHA | 170903.801 |
| HIERARCH ESO FT ROBJ DELTA | -275341.026 |